Уважаемые дамы и господа.... появился такой вопрос... который на мой взгляд некоторым будет интересен.. Задача состоит в том, что-бы добиться максимальной реалистичности при рендере экстеръеров при помощи Vray .... тут я хочу обсудить такие моменты как правильная установка источников света , настройка матов ... и соответственно настройка рендера!!
И первый вопрос состоит в том , какие источники света должны находиться в сцене??

юзай поиск

Итак к примеру возмем домик из ever-a ... теперь можно начинать!

Итак к примеру возмем домик из ever-a ... теперь можно начинать!

Итак к примеру возмем домик из ever-a ... теперь можно начинать!

Итак к примеру возмем домик из ever-a ... теперь можно начинать!

просто тут я хочу собрать и упорядочить всю инфо связанную с рендером экстеръера!

вот!

первое что хочется , так это поставить свет!!
тут нужно ставить только Vray San или что-то еще??

Поставил Vray Sun интенсивность 0,001
на инвайремент Vray sky

Поставил Vray Sun интенсивность 0,001
на инвайремент Vray sky

Поставил Vray Physic. cam.
f-number 2... не очень....

Поставил Vray Physic. cam.
f-number 2... не очень....

при рендере экстеръеров , что нужно ставить на первичку, а что на вторичку??

Уважаемый, вам в WIP надо!
А вообще поискать бы надобно и самому что-то попытаться. А то прям вот так всё разжуй и в рот положи.

2 Drunik .... точно не подумал! ..... сор..

да вроде копался ... и рендерил уже не раз... но всеравно не то!

Чот видимо или плохо копался или вообще не копался.
Вообщем для старту держи ссылку, а дальше уж сам...
http://render.ru/books/show_book.php?book_id=457

ок.... спс!!

не понял ??? это надо сказать свое мнение или автар сам думает? потом такой вопрос что это 1.5 ???

потом это а материал какой ??? по умолчанию цвет поверхности а материал не присвоен ???? чел подробнее я готов подсобить (если мои знания позволят ) или поучаствовать меня это вопрос терзает очень особенно когда 1,5 вышел .... (мать его)

2 e211 когда вышел 1.5 ... незнаюю но вот тебе раннии версии
Build 1.47.03 - 16 May 2005:
Bug fixes:

Multi/subobject materials caused increased CPU usage and/or crashes in the Material Editor.

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Build 1.47.02 - 11 May 2005:
Modified features:

VRayProxy objects are now treated as bitmaps so that they can be exported along with the rest of the scene.
If the Secondary rays bias is 0.0 in texture baking mode, V-Ray will automatically adjust this to 0.001 to avoid errors.


Extended features:

New parameter Anisotropy added to the DOF parameters. This allows the stretching of the bokeh effect horizontally or vertically.
Added a hidden parameter system_vrayLog_ccToDebugger to allow redirecting the V-Ray log to the 3dsmax log file.
Added a hidden parameter system_vrayLog_numThreads for manual control of the number of rendering threads.
Added a new parameter Blur GI to the Irradiance map parameters with the purpose of reducing flickering of GI in animations with moving objects.


Bug fixes:

Hair in 3dsmax 7.5 in buffer mode did not render in camera views.
Complex materials (Blend, Shellac) and the falloff map with shadow/light mode did not work in path tracing mode.
Highlights were not computed in the Progressive path tracing Mode of the Light cache.
Zooming and panning in the 3dsmax VFB could crash 3dsmax.
Multi/sub materials with some shader types could render with wrong brightness.
Interpolated glossy reflections didn't work with Multi/sub material.
Crashes with displacement and motion blur when the displacement map used Object XYZ mapping.
Crashes during building the irradiance map with Overlapped Look-up mode when Interp. samples not divisible by 4.
When the Override mtl button is clicked, the Material Browse dialog is opened twice in 3dsmax7.
In track view, the parameter names for VRayDisplacementMod were wrong.
The Hilbert curve generator crashed if the region size is larger than the rendered region.
Rare crashes with dynamic geometry (displacement etc) when it needed to be unloaded from memory.
Objects with Visible to camera off were visible in the z-buffer.
Spots with back-facing UVW triangles in texture baking mode.
Planar from object XYZ mapping mode did not work with motion blur enabled.
The Ward BRDF in the VRayMtl could cause red dots in the scene.
Missing UVW coordinates could cause splotches in the scene.
The VRayHDRI map with Angular Mapping type could produce invalid colors.
Crashes with subdivision/displacement when they were applied to both moving and static objects in a scene with motion blur on.
The texture channel for anisotropy was not working.
When Switch to saved map is on, V-Ray switched to From file Mode even when GI is off.

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Build 1.46.15 - 10 March 2005:
Modified features:

A new mode, Progressive path tracing has been added to the light cache. See this tutorial for a discussion.


Bug fixes:

Glass with the Affect shadows option on could cause splotches with VRayLights.
Skylight portals could hang with the light cache.
Mapped IORs in the VRayMtl greater than 1.0 didn't work.
The V-Ray VFB didn't overwrite files when the resolution of the existing file is different from the VFB resolution.
Small memory leak for each rendered image (4-16Kb) removed.
Meshes with 0 faces and 0 vertices could cause problems in Dynamic geometry mode.
Increasing photon or light cache subdivs above 1100 did not have any visible effect.
Crashes when the 3dsmax resolution is different from the V-Ray one and saving to file is required.
Crashes with dynamic geometry (VRayProxy, VRayFur, displacement etc), especially on dual hyper-threading machines.
Irradiance map very slow with motion blur and subdiv surfaces.

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Build 1.46.14 - 21 February 2005:
Bug fixes:

Mixing dynamic and non-dynamic geometry with motion blur could render incorrectly.

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Build 1.46.13 - 17 February 2005:
Bug fixes:

VRayMtl with fog on could cause splotches in the scene.
Overlapped mode for the irradiance map lookup could cause splotches with reflective objects in the scene.
VRayToon with world units could render incorrectly on the background.
Color mapping could produce severe color inversion with very bright colors.

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Build 1.46.12 - 10 February 2005:
Modified features:

The light map has been renamed to "light cache" to avoid confusion with traditional "light map" textures used in game engines etc.
Reduced memory usage with static non-motion blurred geometry; some speed improvements as well.
Reduced memory usage for dynamic instanced geometry as well as for VRayProxy objects.
Reduced memory usage for static motion-blurred geometry; more robust raycasting for motion-blurred geometry; faster motion blur; faster multi-segmented motion blur.
The Dome light will not produce highlights.


Extended features:

An option Use light cache for glossy rays has been added to the light cache parameters. This can speed up greatly rendering of scenes with lots of glossy reflections (at the expense of some accuracy).
Added a parameter Number of passes for the light cache; this allows to achieve the same light cache on single- and multi-processor machines while keeping the advantage of multithreading.
The Trace diffuse & glossy together parameter in the VRayMtl has been renamed to Treat glossy rays as GI rays and has some extended values.
A new option Time independent had been added to the QMC Sampler parameters to allow changing the QMC pattern from frame to frame in an animation.
A Max density parameter was added to the Caustics parameters with the same meaning as that for the photon map.


Bug fixes:

Flipped proxies rendered as black.
VRayMtl with fog and glossy refraction was incorrect.
VRayMtl didn't update in the Material Editor if maps are dragged to the small map buttons.
DOF/Moblur + irradiance map + high Global subdivs multiplier could lead to splotches.
DOF/Moblur and the irradiance map pass take the full amount of samples when the Global subdivs multiplier is more than 1.0.
VRayLightMtl did not generate a self-illumination channel for the VFB.
Mouse tracking in the V-Ray VFB and changing region sequence was buggy.
Crashes when the x/y regions count for the image are explicitly specified and region sequence is set to Triangulation.
"Ink'N'Paint" material did not render correctly; "Adv. raytraced" and "Area shadows" shadow types did not render correctly.
RPC moving content did not update in animation.
Spherical VRayLight could cause splotches.
VRayBmpFilter did not update the button name when a texmap is dragged onto it.
The light cache could cause flickering in animations with dual machines - a new parameter Number of passes added to the light cache.
Bump maps with glossy reflections for rays that fall below the surface could slow down rendering a lot.
Crashes when attempting to write to a GBuffer which does not have any channels.
The V-Ray messages window was displayed in server mode.
Writing to a raw .vrimg file in animation could lead to crashes.
The V-Ray VFB didn't overwrite files.
VRayToon did not work properly with transparent objects and VRayLights.
Falloff map as an environment override in a VRayMtl could produce indeterminate results.
Distributed rendering from MaxScript did not render the correct view or crashed.
Caustics with Max photons set to 0 and Indirect illumination off could crash while calculating the caustics photon map.



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Build 1.46.09 - 15 December 2004:
Extended features:

An option to treat all glossy reflections/refractions as non-glossy is added to the Global Switches rollout.
V-Ray will print a warning if the camera fov is too small.
V-Ray will print a warning if the scene bounding box is too small/large or too far from the origin.
Drag-and-drop support for the material override button in the Global Switches rollout.
Drag-and-drop support for the small map buttons in VRayMtl.
Correct preview for the refraction of the vray material in the viewports.
A viewer for the .vrimg files produced by V-Ray is included. The user can open and use .vrimg files in 3dsmax as all other bitmap types. Currently only the RGBA channels are read and displayed from the .vrimg files.


Bug fixes:

Simbiont materials did not work.
Artifacts with nested objects possible.
VRayMtlWrapper did not produce a matte surface.
VRayEdgesTex crashed with proxies.
VRayLightMtl did not keep its name on file load/save.
GI with transparent surfaces could cause a crash.
Caustics with interpolated glossy reflections caused a crash.
Dome light darker with lightmap.
Render-to-texture with lightmaps was problemmatic - too few samples were taken.
Crashes occured if rendering any gbuffer channels and the Max resolution is different from the V-Ray VFB resolution.
V-Ray VFB with save to raw file crashed.
V-Ray VFB rendered out black in sequence.
Alpha channel was inverted in the V-Ray VFB.



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Build 1.46.08 - 26 November 2004:
Extended features:

V-Ray will try to specifically point out if a crash has occured due to insufficient memory.
An option Save maps per frame has been added to the GI parameters. This is On by default, in order to deal with some problems under backburner in 3dsmax R7. See the Indirect illumination section for more details.
The Dynamic geometry option should be a lot more memory efficient.
VRayProxies are more memory-efficient, especially when instanced many times.


Bug fixes:

Degenerate faces on meshes could cause parts of displacement-mapped objects to disappear.
Materials with instanced bitmaps as diffuse/opacity could render with weird colors.





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Build 1.46.07 - 24 November 2004:
Bug fixes:

Splotches with GI and VRayMtl with Affect shadows option on.



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Build 1.46.06 - 20 November 2004:
Bug fixes:

The Affect alpha option of VRayMtl didn't work. Note that the Affect alpha parameter only works for clear (non-glossy) refractions.
Fog color with internal reflections was incorrect.
Precalc'd overlapping lookup for the irradiance map was too blurry.
Multipass camera effects didn't work (Multipass DOF).
Ortho views were cut through the origin.
True instance rendering returns in this build. Note that currently instance rendering is not supported for moving geometry with motion blur.
Lights had caustics off by default.
Light maps and matte objects with Shadows on caused a crash. Note: matte materials don't show up as mattes in the prepasses (irradiance/light maps), but they do show in the final render.
The default material did not produce correct lighting with VRayLights.
No GI on other mattes didn't work.
The Alpha contribution parameter didn't work properly for fractional values.
VRayLights produced an alpha channel even if invisible.
Skew modifier on cameras was slow with Adaptive subdivision image sampler with Normal threshold on.
V-Ray now prints out a warning if there is a camera modifier, but the Max-compatible ShadeContext option is on.
Objects that are not visible to the camera showed up in the alpha channel.
Meta-Reyes not rendering in animation.
Hidden faces showing up with Dynamic geometry.
The image was always stamped when the V-Ray VFB was saved/cloned.
Lightmap could freeze with transparent materials.
Lightmap could freeze with complex materials (like Blend).
VRayLights could produce noisier results than necessary.
V-Ray-specific materials and maps will not show up in the materials/maps browser if the renderer is not V-Ray in 3dsmax 6 and above, unless the Incompatible option in the browser is selected.



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Build 1.46.05 - 13 November 2004:
Bug fixes:

QMC sampler behaves in a more similar way to the 1.45 versions without changes in settings. Note however, that the QMC is still different from the 1.45 version, so differences in render times/quality are possible.
Lightmaps and photon maps will take more samples on average compared to 1.45 versions which may lead to slightly longer render times (although results may be cleaner). Reduce the subdivs to decrease the render time.
VRayProxies did not provide material id's properly (did not work with multi/subobject materials) .
Total internal reflections were not correct.
Caustics photon map was used when present, even if caustics are off.
The "Sub-pixel weight" channel was incorrect (improved compatibility with PSD manager).
2d displacement could cause infinite cycling on meshes with degenerate faces.
Better handling of opacity maps - both with V-Ray materials and with Standard materials.
Parts of VRayLights could disappear during rendering.
Caustics did not appear on Standard materials.
Photon mapping did not work properly with VRayMtlWrapper with the Matte option turned on.
The exposure control peview in the Environment dialog crashed with V-Ray.
Thumbnails in the ME on multi/sub materials were not rendered.
In distributed rendering mode, V-Ray tries to delete any temporary .max files after rendering is complete.
The VRaySpawner attempts to delete any files left over from previous sessions.
2d displacement did not work with motion blur.
Added a section in the help with a list of 3dsmax features which do not work or work only partially with V-Ray. See the Unsupported 3dsmax features section.
The mouse tracking mode of the V-Ray VFB did not work properly when enabled at the start of the rendering.



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Build 1.46.04 - 3 November 2004:
Extended features:

Correct multi-layer GBuffer. See the Notes in the GBuffer section for more details.
Some support for the Render-to-texture mode in 3dsmax. At present, V-Ray can bake only the full object materials in this mode.
These conclude the feature set for V-Ray 1.5. The next several builds will include bug fixes only, until the final 1.5 version is released.


Bug fixes:

Fixed crashes with DreamScape in the Material Editor
Crashes with the CAT plugin with motion blur.
Slow rendering of blurry effects (area lights, glossy reflections etc) due to problems with the QMC sampler.
G-buffer channels requested by .rpf and .rla file formats were not generated.



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Build 1.46.01 - 13 October 2004:
Installation:

This build requires a somewhat different setup for the additional V-Ray plugins (VrayFur, VRayPlane, VRayToon), since now those depend on the vrenderXX.dlr file as well. See the Installation section for more details. Be sure to delete any old remaining versions those plugins.


New features:

Subdivision displacement (Catmull-Clark and Loop schemes), see the VRayDisplacementMod section for more details.
Distributed rendering - completely redesigned DR core supporting distributed calculation of irradiance maps, see the sections on Distributed Rendering and Installation for details.


Extended features:

Lightmaps work with standard materials
Added autosave options for lightmaps
Time-dependent irradiance map for a more precise rendering of motion-blurred objects with GI.
A new look-up method Density-based added to the irradiance map; this is the new default method as it is substantially better than all previous methods (reduces the ringing on sharp boundaries and the artifacts due to low sampling).
Better interpolation for the irradiance map and glossy reflection/refraction maps.
Reduced memory usage - all rendering threads share the same dynamic geometry pool (for proxies, displacement, fur, subdivision), thus drastically reducing memory usage on dual and/or hyperthreading machines.
Previews of irradiance and lightmap calculations are available in the V-Ray VFB.
Extended stamp in VFB allows changing the stamp text in the VFB only - after the image has been rendered with improved user interface.


Bug fixes:

Fixed a problem when many machines try to access the same irradiance map at once.
Fixed problems with view-dependent meshes (nPower booleans, specifically).
Fixed incorrecft velocity channel with moving cameras.
2d displacement could produce degenerate normals on degenerate faces leading to artifacts.
Adaptive AA min rate limit is now set to -3 (lower values caused RAM overflow and crashes).
Fixed slowdown with irradiance map on some scenes with varying camera scale.
Lightmaps now render correctly in blowup renderings.
Instanced 2d displacement should take less memory.
Fixed faceting with VRayLights with the Store to irradiance map option on.
Fixed a slowdown when the V-Ray messages window is closed.
The QMC image sampler didn't antialias very well against the background.
Matte objects produced incorrect results with opacity-mapped objects.
Closing the V-Ray messages window introduced a major slowdown.
The V-Ray messages window did not show up when closed.
The VRLServer could refuse to generate a license request in some situations.
Glossy reflections were incorrect or slow in some cases.
Fixed crashes occuring in certain situations when objects depend on one another.



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Build 1.45.70 - 1 July 2004:
VFB - Bug fixes.
New License server New licenses are required to be issued to make V-Ray working. Start your license server and send us the details. Make sure you read the license agreement and the license authorization.
Fixed the Browse button for choosing .vrimg files.
Fixed slowdown with lightmaps and bump-mapped materials.
Enabling the G-Buffer Object velocity channel made some objects disappear
Added world units in VRayLights, VRayShadows and for the translucency Thickness in VRayMtl
Caustics were displayed when set to From file even if they we're turned off.
Shadow maps were computed even with the Shadows option off in the Global Switches rollout.
Added a parameter Secondary rays bias in the Global Switches rollout, which may be useful in scenes with overlapping faces.
Added a button for locking the Hilight glossiness to the Reflection glossiness in VRayMtl.
Added a button for locking the Fresnel IOR to the Refraction IOR in VRayMtl.
The creation of VRayFur is fixed to display the parameter of the newly created object.
Fixed rare crashes with non-renderable objects in the scene.
Exporting meshes to .vrmesh files could produce memory leaks.
Some channels were garbage on matte objects.
Alpha saved from the V-Ray VFB was inverted or missing.
Fixed some bugs in the translucency algorithm of VRayMtl; translucency now works with Refraction glossiness of 1.0 and is about two times faster than using lower glossiness values.



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Build 1.45.65 - 9 June 2004:
Dof rotation didn't work
VRayMtl has opacity map
A new button Show last VFB added to the frame buffer rollout
QMC GI settings were not converted properly from older files
The location of VRayLog.txt can be specified
Shadow channel is generated
Self-illumination channel is generated by VRayLight's
The output settings for the Split G-Buffer channel option are properly saved and loaded



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Build 1.45.60 - 1 June 2004:
VRayShadow produces correct results with direct lights.
Added a separate Fresnel IOR parameter in VRayMtl.
Diffuse color is now not dimmed when Trace reflection is off in VRayMtl.
Fixed a bug in VRayMtl with texures with an alpha channel.
Degenerate faces could cause artifacts in rendering.
Better interpolation of the light map with concave surfaces.
Added a Hidden lights option in the Global switches rollout.
Photons from newly created rectangular VRayLights were traced in the wrong direction.
Fixed a crash with VRayPlane and shadow maps.
Motion blurred objects didn't show up when their visibility is 1.0.
The AA filter params moved to the Image sampler rollout.
Fixed darker glossy reflections around object edges.
Hilights are not computed for secondary GI bounces, when Reflective GI caustics is off.
Relevant world-scale parameters show up in world scale units.
Added raw lighting and indirect illumination channels to the V-Ray VFB.
Fixed a crash with Weighted average with Voronoi weights interpolation type for the irradiance map.
Parameters from older scenes are transferred correctly.
The .vrmesh export did not write smoothed surface normals.
The irradiance map and light map did not render properly in orthographic views.



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Build 1.45.50 - 19 May 2004:
This version of V-Ray includes a nearly final version of the V-Ray floating license system.
The V-Ray Frame Buffer (VFB) has been improved. Additional support for extra channels and color corrections on the fly has been added. Still a lot of improvements on the way.
V-Ray now exports additional 11 G-buffer channels to the V-Ray VFB (specular, reflection, refraction, GI etc). Most of the them are supported only for V-Ray materials. All of these channels can be saved to separate bitmap sequences for post-production purposes.
Some improvements in VRayMtl - separate control over hilights and glossy reflections. In addition, glossy hilights and reflections have been improved to act in a more physically accurate way.
Parameters for controlling GI saturation and contrast.
DOF and motion blur controls have been moved to the Camera rollout. Some additional parameters (for example, aperture shape) have been added. Note that at present DOF and motion blur settings will not transfer from older scenes. This will be corrected shortly.
A new option, Visible to GI has been added to the V-Ray Object settings dialog.
VRayLights are oriented along the negative local z-axis like standard 3dsmax lights. This affects only newly created lights. Lights in older scenes will keep their orientation for compatibility.
VRayMtl generates correct material (effects) G-Buffer ID.
VRayProxy objects automatically look for .vrmesh files in the standard 3dsmax bitmap paths, if the file is not found at the specified location.
Newly created VRayProxy objects take the name of the original object, prefixed with "VRayProxy_".
Objects with Visibility=0 do not generate any geometry.
Several new options were added to the Global switches rollout.
Many other bug fixes and improvements.

Build 1.45.42 - 20 April 2004:
Changed the licensing system. We have introduced a new floating license system.
The GI interface has been reogranized. Note that irradiance map settings will not be loaded properly from older files and will be reset to the defaults.
A new GI engine - light mapping, has been added.
The Two-Level image sampler has been rewritten as an adaptive quasi-monte carlo sampler.
A new parameter Global subdivs multiplier has been added to the QMC sampling parameters.
A new parameter Bias has been added to the motion-blur parameters.
A lot of internal changes, improvements and minor fixes.
Build 1.45.21:
Fixed a bug in VRayMtl that caused black reflections at grazing angles.
Added a new keyword %primitives to the possible frame stamp keywords; this is replaced with the number of unique intersectable primitives processed by V-Ray.
Added an example of different antialiasing filters.
Added a new camera type - warped spherical camera. This is the same as the old-style spherical camera, which was present in the early versions of V-Ray.
The VRayLight is now visible in the rendered image. It is also properly displayed with motion blur.
Some internal changes to the Geometry SDK.
Fixed a bug in the Triangulation bucket sequence that caused an incorrect region to be rendered if Region Rendering is enabled.
Support for user-specified vertex normals in 3dsmax R6.
Build 1.45.20 - 8 January 2004:
Fixed a bug with the ordering of render regions (buckets) that could cause unexpected crashes and fast exits out of 3dsmax.
Fixed a bug in VRayMtl that could cause crashes with fog enabled.
Fixed a bug that caused the irradiance map to always use 1 interpolation sample in bucket mode.
Some internal changes to the Geometry SDK.
Improvements to displacement mapping - equalized sampling of triangle edges to avoid cracks between triangles with different tesselation and a new view-dependent tesselation algorithm that works for objects behind the camera as well.
The VRayPlane is fully mappable with any kind of texture mapping.
Added a new tutorial on 3d displacement.
Build 1.45.10 - 28 December 2003:
Fixed a bug with irradiance map and scaled objects (normals for GI were not scaled correctly).
Some internal changes to the Geometry SDK
Build 1.45.01 - 17 December 2003:
V-Ray was compiled with an incorrect compiler version, leading to very unstable behaviour. This build should be faster and more stable.
The V-Ray vfb and the new protection scheme were omitted from the initial internal build. Those are added now. Please send the auth requests to vray@chaosgroup.com
Build 1.45.00 - 16 December 2003:
Note that this is an internal build. Many things over previous builds have changed and some features are not yet fully implemented. V-Ray's geometry pipeline has been rewritten from scratch to allow handling of complex procedural geometry. Some of the more important changes are listed below.



There are several additional plugins found in the V-Ray category of the Create panel in 3dsmax. Those include the VRayFur, VRayProxy and VRayPlane. If you had a previous version of this internal build, please remove the old files (InfinitePlane5.dlo and VRayFur5.dlo) since the file names have changed and you may get a warning when 3dsmax starts.


Distributed rendering is not included in this build. You may get an error "VRayNet50.dlu failed to initialize". Rename or move VRayNet50.dlu to a different folder if you want to get rid of this warning.


The Instanciate option in the System rollout has changed. Now you can choose the default type of the geometry generated for scene objects - static (all of the scene geometry is generated once at the start of a frame) and dynamic (the scene geometry is generated on the fly). There is also a parameter for controlling the memory limit for dynamic geometry. Note that the limit is approximate, V-Ray may use slightly more memory.


Displacement mapping (3d displacement in particular) has been totally overhauled. In general, 3d displacement is much faster and memory management is better. Motion blur for displacement is also significantly faster. For more information, see VRayDisplacementMod.


The V-Ray frame buffer reappears in this version. See the V-Ray Frame Buffer section. There is still some work to be done in that area.


QMC motion blur for objects that do not move and don't change has been improved. They generate static geometry and render faster, instead of the motion blurred geometry that was always generated before. This means that scenes where motion blur is mostly due to camera motion will render faster.


This version requires additional authorization in order to work. Your old authorization info will not be removed, should you decide to revert to a previous version of V-Ray.


As of this version, V-Ray has a Geometry SDK that allows the creation of custom geometric primitives. The VRayFur, VRayProxy and VRayPlane plugins all use this SDK.
Build 1.09.03n - 28 November 2003:
This is just a recompile of the demo version with extended trial preiod
Build 1.09.03m - 17 September 2003:
Fixed a bug with interpolated glossy reflections/refractions
Build 1.09.03k - 12 September 2003:
Fixed a bug with Precalc'd overlapped irradiance map lookup type that could cause crashes.
Better bump mapping with the irradiance map.
Some compression added to the irradiance map; as a result the size of the irradiance map in memory and on disk is about 50% smaller at the price of slightly longer render times and somewhat reduced precision (not noticeable in most cases).
The prepasses will not add detail to the irradiance map for more than the specified Max rate when using the Incremental add mode. Until now, rendering successive frames could add more and more detail in some areas, leading to very large irradiance maps.
Added parameters to the Global switches rollout to control raytracing of transparencies. Until now those were hard-coded; occasionally however they need to be changed (for example with lots of overlapping transparent planes).
Added a parameter to the Global switches rollout to skip the rendering of the final image and to compute only the irradiance/photon maps. This option is useful to speed up calculating irradiance maps for fly-through animations.
Build 1.09.03j - 22 August 2003:
Fixed the MaxScript parameters of the V-Ray material.
In V-Ray Advanced for 3dsmax 5.x only, added a shortcut to the quad menu for the V-Ray object properties dialog, as well as an initial version of a scene converter that takes all Standard and finalRender Stage-1 materials in the scene and converts them to V-Ray materials; also converts raytraced shadows to V-Ray shadows. At this point, the conversion is pretty basic, but can be quite useful.
Build 1.09.03i - 26 July 2003:
Fixed a bug that could cause crashes when manipulating objects in the viewports after rendering with V-Ray and other anomalies in 3dsmax.
Added an Affect alpha parameter to VRayMtl; this will cause the alpha channel to be taken from the things that are seen through the material when using refraction. Note that this only works for non-glossy refraction (refraction glossiness set to 1.0).
Fixed a bug that caused objects excluded from illumination by VRayLights to be illuminated when the lights' Store with irradiance map option is on.
Added another color mapping mode, called HSV exponential; it is very similar to the Exponential color mapping mode, but will preserve the hue and saturation of colors, and will only limit their value.
Build 1.09.03g:
Improved compatibility with Digimation's SpeedTree.
The Fresnel option in the V-Ray material affects its transparent shadows as well.
Build 1.09.03f - fixes a single bug:
V-Ray did not display an authorization dialog (bug in 1.09.03e).
Build 1.09.03e:
The VRayLight could crash if the user right-clicks while creating it.
Saved irradiance maps were not always loaded properly (bug in 1.09.03a-d) causing excessive render times.
V-Ray could crash sometimes while calculating irradiance maps (bug in 1.09.03a-d).
V-Ray could crash sometimes with VRayLights (bug in 1.09.03a-d).
Files created with the beta versions of V-Ray (0.5x.xx) will not load at all from this build onward.
All of the renderer parameters are exposed through MaxScript (in 3dsmax 5.x). Note that this may cause some incompatibilities with existing MaxScripts - they will need to be updated.

The following methods of the renderer can be called from MaxScript:

<vray>.saveCausticsPhotonMap <fname>
<vray>.saveGlobalPhotonMap <fname>
<vray>.saveIrradianceMap <fname>
<vray>.loadIrradianceMap <fname>
<vray>.clearIrradianceMap()

All of those methods return 0 on success and a non-zero value if an error occurs.

The Bake3D plug-in file is named differently for each 3dsmax version (Bake3d31.dlu, Bake3d40.dlu and Bake3d50.dlu respectively).


Build 1.09.03d - fixes some bugs introduced in the 1.09.03a-c builds:
The VRayDisplacementMod modifier had a bug that could cause instabilities in Max when working with the modifier stack, loading/saving files etc.
V-Ray lights could cause crashes in some cases.
Broadcasting of NOTIFY_RENDER_PREEVAL (Max 4 and above) was disabled since it could cause the rendering to crash/hang.
Build 1.09.03c - bug fix:
(*) The irradiance map was not reset for every frame in Single frame mode.

Build 1.09.03c - two minor bug fixes:
(*) V-Ray did not load on Windows NT.
(*) Normal glossy reflections did not always render.

Build 1.09.03a
(*) The V-Ray material is re-organized and split into rollups.
(*) The V-Ray material supports anisotropy for glossy reflections.
(*) The min/max rate for interpolated glossy effects is decoupled from the min/max rate of the irradiance map. Using interpolated glossy effects no longer requires GI to be on or to be set to irradiance map. Note that old materials using interpolated glossies need to be checked manually, since the interpolation options will not be transferred.
(*) Improved compatibility with the finalToon render effect. The finalToon shader does not work correctly, but lines should be rendered properly.
(*) Added an Exclude button to VRayLight.
(*) Added a messages window that outputs some (useful) information. The messages are actually portions of the VRayLog.txt file. Messages are divided into four categories: informative messages, warning messages, error messages and debug messages. Warning messages are colored in greed, error messages are colored in red. There are some options in the System rollout to control the output window.
(*) The Shift parameter in VRayDisplacementMod works both with 2d and 3d displacement.
(*) Fixed a memory leak with 3d displacement in animation.
(*) GBuffer channels were not correct for objects behind other "Invisible to camera" objects.

Build 1.09.02u
(*) This version of V-Ray includes separate builds for Max 5.x and Max 4.x; you will have to delete the following files from previous builds in your Max5 installation to make the new ones work: VRay40.dll, VRender40.dlr and VRayNet40.dlu (the new Max 5 files are called VRay50.dll, VRender50.dlr and VRayNet50.dlu respectively).
(*) Greatly improved distributed rendering (DR) in terms of stability.
(*) DR now supports Max 5.x and Viz4
(*) A DR setup wizard has been added to the installation files to help set up your render slaves for DR. Copy the DRWizard40.exe/DRWizard50.exe to the slave Max root folder and double-click it. The wizard will ask you for the relevant information and will write it in a configuration file.
(*) Some improvements to the VRaySpawner - it is no longer required to install the spawner as a service to make it work at all. Also, when run in stand-alone mode, the spawner will show an icon in the taskbar tray that allows you to close it without resorting to Task Manager.
(*) The bucket-mode irradiance map has been enhanced to produce much less obvious seams between the buckets (at the expense of some extra computations).

(*) Some problems with Falloff opacity/filter maps have been resolved.
(*) Horizontal and vertical flip parameters have been added to the irradiance map.
(*) Fixed a bug in the Spherical camera that caused distortion of the image when mapped back as a spherical environment.
(*) Max's own displacement mapping did not always work.
(*) Color mapping was incorrectly applied to the background as seen through transparent objects when Affect background is unchecked.
(*) Some compatibility problems with AfterBurn3 have been resolved.
(*) Fixed a bug that could cause exceptions when building render normals.
(*) A new parameter was added to the global photon map parameters - Max density allows you to limit the spatial resolution of the photon map thus saving memory (and render time) while allowing many more photons to be shot (thus producing smoother results). The value of this parameter represents a distance in world space. Any photons that are closer to each other than this distance will be merged into one photon with equal energy. This parameter is dependent on the scale of your scene. Smaller values mean more detail in the photon map (and more memory). Higher values mean less detail, but produce a smoother result and take less memory. A tutorial on this is coming soon...
(*) The Delone triangulation method for irradiance map interpolation has been slightly improved.

Build 1.09.02t
(*) Fixed the Max 5.1 "Missing map" warning when loading files containing the VRayHDRI map.
(*) Added the capability for loading/saving the V-Ray parameters as presets. There is a button named "Presets" in the V-Ray System roll-up; pressing it will bring up a dialog box that allows to choose a preset name and the roll-ups that need to be saved/loaded.
(*) The static boxes with the path to the loaded irradiance/photon map have been turned into edit boxes, so that the user can directly enter a path, without using the Browse button.
(*) Added the options of switching off reflective/refractive GI caustics (which sometimes cause extra noise but have little contribution to the lighting).
(*) The option "No GI on other mattes" in the Matte settings of an object has been extended to also disable shadows of matte objects onto other matte objects (works only with V-Ray shadows and lights).
(*) When an exception occurs in network render mode, V-Ray will hand down the exception to Max, instead of silently ignoring it; this will prevent V-Ray from rendering the rest of the animation as black frames.
(*) Caustics on matte objects/materials did not show up unless GI is also enabled

Build 1.09.02q
(*) Fixed (hopefully) most of the Material Editor crashes.
(*) Fixed some problems with Multi/Subobject materials.
(*) The "Don't affect GI on other mattes" option could not be unchecked; also this is renamed to "No GI on other mattes".
(*) Added an initial version of the V-Ray VFB - see the notes below.
(*) Added "Exponential" color mapping mode. You can select this instead of the default "Linear mapping". The exponential mode is targeted at preventing burn-outs caused by very bright colors. The meaning of the Dark and Bright multipliers is slightly altered in this mode. The Dark multiplier can again be used to make the image darker/brighter. The Bright multiplier is not very meaningful at this point and you should leave it to 1.0.

Notes on the V-Ray VFB

This is the first public build to include the new internal V-Ray Virtual Frame Buffer. It is still in its infant stage and there is still a lot of cool stuff to add. The built-in VFB has some advantages over the standard MAX VFB:

(*) Internal color corrections that allow to tweak the colors within MAX without having to re-render again and again and without having to switch back and forth to post-production applications in order make color corrections and matching. The corrections include curve-based control of each channel as well as overall color level re-mapping. Use the CTRL/SHIFT+MOUSE CLICK combinations to add color control nodes in the Levels control.
(*) Mouse tracking that allows the user to control which parts of the image are to be rendered first by simply moving the mouse over the desired area.

The new VFB is designed to be more interactive and stable. There should be no problems tweaking the colors, zooming in and out changing the currently visible channel etc while rendering. A lot of new features are on their way to be introduced in the next build, taking full advantage of the V-Ray renderer architecture.

Build 1.09.02p
(*) This version is just a recompile of 1.09.02n - fixes some messed up UI stuff. Also tooltips are temporarily disabled, since it seemed they may be causing problems.

Build 1.09.02n

(*) Fixes a single bug - irradiance maps were not saved properly to disc.

Build 1.09.02m

(*) Fixed a bug that would cause reflections/refractions not to show up on a first frame or in network rendering.
(*) Better support for DreamScape plugin
(*) Better support for Shag:Hair velocity channel output
(*) Fixed a memory leak when the user cancels the rendering (especially obvious in large scenes).
(*) Fixed a problem that could cause crashes when using any g-buffer channels
(*) Support for the V-Ray shading SDK - allows the creation of V-Ray specific shaders, materials and atmospheric effects
(*) The irradiance map now supports GI on matte objects, making the calculations of these much faster
(*) Improved combining of direct and GI shadows on matte objects
(*) Added an option "Don't affect other mattes" to the matte object properties, which will prevent matte objects from affecting the each other's GI solution

Build 1.09.02g
(*) Fixed bugs in the 3d displacement modifier's accelerators
(*) Render region/blowup/crop did not work properly
(*) %camera keyword added to the frame stamp; this returns an empty string if the rendered view is not a camera view

Build 1.09.02f
(*) A memory leak with VRayDisplacementMod was fixed
(*) Transparent objects did not render properly with GI
(*) Three new keywords supported in the frame stamp: %cpu %ram %vmem %mhz
(*) 3d displacement mapping added. VRayDisplacementMod has been reorganized and includes support for both the old-style 2d mapping and a new 3d mapping algorithms. Note the 2d displacement is much faster and should be used whenever possible. The 3d displacement algorithm on the other hand supports all mapping types (World XYZ/Object XYZ/Explicit map channel etc). In addition, the 3d displacement algorithm can extract the displacement information from an object's material, instead of a single texture map. Here is a short description of the new parameters:
Face subdivs - this determines the number of subdivisions along a triangle's edge. The 3d displacement works by subdividing an object's faces into tiny sub-triangles, which are then displaced. Ideally the number of subdivisions should be view-dependent; this is currently not implemented and faces are uniformly subdivided. More subdivs mean more detail, but longer render times (and more memory usage, if caching is used, see below).
Use object mtl - this will cause the displacement map to be taken from the object's material instead of the map selected in VRayDisplacementMod. Note that you will need to disable Max's own displacement mapping through the Displacement checkbox in Max's Common parameters roll-out (not the V-Ray displacement option in the Global switches roll-out which only disables V-Ray displacement).
Keep continuity - using this will try to produce a connected surface, without splits, even between faces of different smoothing groups and/or material IDs.
Edge thresh - when Keep continuity is checked, this controls the extent to which maps on faces with different material IDs will be blended.
3D mapping acceleration - None means no acceleration whatsoever, meaning that the displacement map will be evaluated each time V-Ray needs to check its value; this will not take any additional memory but usually will be very slow. Linear cache will store the displacement values for the subtriangles of a face in a cache, without organizing them in any special way; Quadtree cache also stores these values, but organizes them in a quad tree, so that parts that are not actually intersected by a ray can be skipped quickly. The quadtree cache takes more memory than the linear cache, but is usually faster. Also, when using the quadtree cache, the Face subdivs are internally rounded up to the nearest power of two (2, 4, 8, 16, 32, 64, 128 etc).
Cache size - the maximum number of faces (of the original object, not displaced sub-triangles) that can be stored in the cache. The actual memory used by the cache depends both on this number, and the Face subdivs.
Precalc level - usually V-Ray will compute the displacement function for a sub-triangle only when it needs its value; this can reduce the efficiency of the quadtree cache. Therefore V-Ray can precompute the displacement function for a larger part of the triangle, so that it is readily available later on.

(*) A new option Check sample visibility added to the irradiance map parameters. This may be used to prevent light leaking from under thin walls etc with the irradiance map.
(*) A new option Smooth surface shadows added to VRayShadow and VRayLight. This is aimed at preventing self-shadowing artifacts resulting from low polygon counts.
(*) V-Ray will now check for missing map files and will put up a dialog box listing the missing files.
(*) VRayMtl has been added to the Basic version.

Build 1.09.02e
(*) The authorization dialog did not appear if V-Ray is not authorized.
(*) Some additional changes to the translucency algorithm.
(*) Additional parameter Energy preservation mode added to VRayMtl.The RGB mode is the current method for balancing diffuse/reflected/refracted light (for example green reflections would tint the diffuse color to magenta). The new Monochrome mode preserves the color hue and only adjusts the intensity.
(*) Global switches roll-up added
(*) A new parameter Interval center was added to the motion blur parameters. This defines where the center of the motion blur interval is (0.0 is the start of a frame, 1.0 is the end of a frame).
(*) Photon maps did not work with V-Ray materials as submaterials (in a Multi/Subobject material, for example)

Build 1.09.02d

(*) Fixes a single bug in 1.09.02x - the primary GI multiplier was squared by mistake, leading to darker images if less than 1.0

Build 1.09.02c

(*) Fixes a single bug in 1.09.02b - caustics did not appear on V-Ray materials.

Build 1.09.02b

(*) Fixes a single bug in 1.09.02a - simple two level AA did not work properly.

Build 1.09.02a

(*) Spherical camera rendered very slowly with large FOV
(*) Receive shadows did not working properly on transparent objects
(*) When caustics/global photon maps were used, some photons remained trapped on the light surface
(*) VRayLights with Store with irradiance map checked did not produce indirect illumination with Direct GI
(*) VRayLights with Store with irradiance map now work much better with bump maps
(*) VRayLights and shadows from other lights used to behave in an unpredictable way
(*) Environment maps with Object XYZ/World XYZ/Explicit map channel mapping types did not render
(*) VRayMtl did not respect the specular/diffuse settings of the light
(*) Fixed severe memory leak with instanced objects in animation
(*) Bug with matte objects when alpha contribution is different from -1.0 or 1.0 (bug in 1.09.x only)
(*) Caustics and photon maps did not work with Direct lights (Note: Direct lights do NOT need inverse square fallof and high multipliers in order to produce correct caustics and photon illumination)
(*) There were some differences in the GI produced with photon maps and with irradiance maps
(*) VRayLights will take in account light brightness, size, distance and material at the shaded point when determinig the number of samples (means that dim, small and distant vraylights and dark vray materials will render faster). This means scenes with multiple VRayLights will render faster on average.
(*) Objects with Visible to camera unchecked did not render properly with atmospherics
(*) Sometimes VRMaxSpawner did not load its settings properly
(*) Optimized adaptive antialiasing - works better with fuzzy effects (dof, moblur etc)
(*) Some bugs in the translucency algorithm were fixed

Interpolated glossy reflections/refractions/translucency

V-Ray is now capable of using interpolation for glossy reflections, refractions and translucency. This means that you can create images using these effects very quickly (although not as accurately). The interpolation method used is very similar to V-Ray's irradiance map - it uses the same basic data structure and sampling algorithms. The interpolation can be controlled by three new parameters in VRayMtl:
Use interpolation - when this is on (the default is Off), V-Ray will use interpolation for fuzzy material effects. Note that Irradiance map must be turned on for this to work.
Color threshold - controls the sensitivity of the adaptive algorithm to changes in the interpolated effect. This is similar to the color threshold for the irradiance map
Interpolation samples - this controls how many samples will be taken in account when interpolating. This is similar to the interpolation samples parameter of the irradiance map.

Note: while the interpolation algorithm used can produce acceptable results quite quickly, bear in mind that it is just a cheat. As such, it has some disadvantages/limitations:
(*) it will blur the fuzzy effect more than it actually is
(*) it may miss small details in the fuzzy effect
(*) it will not work very well with extreme motion blur or DOF
(*) do not use interpolation with Bucket-mode irradiance map - you will get an exception (we hope to have this fixed)

The interpolation will work best for images without DOF and motion blur, and for large flat objects.

Build 1.09.01c
New features in V-Ray

(*) This version of V-Ray is compiled with the Intel C++ compiler; this should increase the overall speed of V-Ray by a few percent; exact timings are still to be performed. Important note: the .zip file contains libmmd.dll, a file containing the Intel math library and required by programs compiled with the Intel compiler; it must be copied to Max's ROOT folder. If you have Max 4.26 or Max 5 you should already have this file and there is no need to copy it.
(*) Fixed some issues with displacement and irradiance maps
(*) Fixed some issues with instance rendering and motion blur/displacement
(*) A bug in VRayMap that caused weird effects when Reflect on back side was on
(*) The motion blur interval has been centered around the middle of the frames, instead of being placed in the beginning
(*) The irradiance map calculation is displayed in the old bright/dark mode, instead of marking the samples with red color
(*) The default value for the secondary GI multiplier is 0.5; this produces images with more contrast.
(*) Fixed a potential memory leak in VRayShadow
(*) An option Show direct light has been added to the irradiance map to preview the first-bounce direct light; this option is available only when "Show calc. phase" is on; note that calculating direct light for first diffuse bounces is not necessary and may slow things down - it was added simply as a preview convenience.
(*) Some optimizations of VRayMtl to speed up photon tracing in the case of many lights
(*) A presets list has been added to the irradiance map parameters; currently it features the following presets - "Custom", "Very low", "Low", "Medium", "Medium - animation", "High", "High - animation", "Very high". The default settings of the irradiance map correspond to the "Medium" preset. The presets change the following parameters: Min rate, Max rate, and Color/Normal/Distance thresholds. If a preset other than "Custom" is selected, these parameters are greyed and cannot be changed. The "Medium - animation" and "High - animation" presets are useful for animations with moving objects. Note that for flicker-free animations Hemispheric subdivs needs to be high enough to avoid noise.
(*) The Environment rollout has been split in two parts - a separate environment for GI only (skylight) and a different environment for reflections/refractions etc.
(*) The adaptive early termination algorithm of the QMC sampler has been improved (the early termination algorithm allows V-Ray to take fewer samples than the amount given by the user if that amount is too high for a given value); a new parameter Min. samples was added to the QMC sampler roll-out. This parameter sets the minimum number of samples before the adaptive early termination algorithm kicks in (the algorithm needs a certain amount of samples to work reliably, in previous builds too few samples could cause increased noise). Also the default values were changed. The new defaults allow one to use high subdivs for things like DOF, GI, glossy reflections etc; the early termination algorithm will automatically reduce the number of samples where the full amount is not required.
(*) MaxScript support was added to VRayMtl and VRayLight; to see the available parameters type "showProperties x" in the MaxScript Listener, where "x" is any vray material or light.

New features in Distributed Rendering - please read carefully

(*) New spawner.
(*) Added new feature that lets you enable/disable servers during the distributed rendering process. All you have to do is just double-click or right-click and enable or disable the server and it should run fine.
(*) More detailed information during the rendering process and some minor interface fancies.
(*) Bug fixes.

The newest thing about this build is the new MAX spawner. The great thing about it is that the same EXE file can now be run not only as a standard application but it can be run as a Windows service. Another new thing about it is the settings scheme is changed (.ini files are now used) and some of you may need to manually tweak the settings.

Provided you will find the old spawner for those who may experience problems running the new one. We would greatly appreciate if you report any such problems to us at vray@chaosgroup.com <mailto:vray@chaosgroup.com>. There are also a few batch files that will help you get the new spawner started. However, we will cover manual installation as well for those who have problems.

Running the new spawner as a standalone application

First copy the VRaySpawner.exe and the batch files to your MAXROOT directory. Run the VRaySpawner.exe without any parameters and it should run fine as a standalone application. There is no interface in this “c” build so in order to stop it you will have to kill it.

Running the new spawner as a windows service

First copy the VRaySpawner.exe and the batch files to your MAXROOT directory. In order to use the spawner as a service you will need to first register it to the windows service manager. This is done in a very simple way by running the INSTALL_SERVICE.BAT file. What it does is it runs
VRaySpawner.exe -service
which registers it. But this is just registering - this does not start the service. You need to go through this procedure only once. Now its time to start the service. In order to start it you will have to go the Windows Service manager through Start Menu/Settings/Control panel/Administrative tools/Services . In the list of available services find the VRaySpawner service and start it. Please note that you will not see the standard MAX application minimized as it used to show up before, unless you enable the “Allow service to interact with desktop” option in the Service Properties dialog. Now you can have your service run automatically the moment the system boots up by selecting Automatic start up type from the service properties.

Important note on file sharing: As most people use DR by sharing map files across their local network it is important to change the default Log On settings of the service. The default Log On is a “LocalSystem” user which usually does not have any rights to access shared disks in the network. So it would be better to change the Log On user to Administrator or whatever user you use to access your shared disks with maps.

If for some reason you would like to remove the V-Ray service from your system you can do so by running the UNINSTALL_SERVICE.BAT file. What it does is it runs:
VRaySpawner.exe -unregserver

Tweaking the settings of the new spawner and VRayNet system

Settings are no longer read from the registry. They are now being read from an INI file which can easily be copied across your network to all of your render servers if they are setup up in a similar manner. If the INI file is missing, the spawner and the VRayNet modules will attempt to generate and use default settings that should run smoothly in most cases. In any case - you can see all the spawner activity in the c:\VRSpawner.LOG file. The name of the INI file is VRayNet.INI and it must be found in the MAXROOT directory.

Here is a step-by-step summary of what you need to do to make the new spawner and VRayNet work.

Setting up your RENDER SERVERS:
1. Copy the VRaySpawner.exe and the batch files to your MAXROOT directory as well as all the plugins to the appropriate places
(VRay40.DLL to the MAXROOT; VRender40.dlr and VRayNet40.dlu to the plugins directory)
2. Register the spawner service by running INSTALL_SERVICE.BAT
3. Run the service from Start Menu/Settings/Control panel/Administrative tools/Services
4. [Optional]Tweak the VRayNet.INI file which must be placed in the MAXROOT directory.

Setting up your workstations
1. Copy the VRaySpawner.exe and the batch files to your MAXROOT directory as well as all the plugins to the appropriate places
2. [Optional]Tweak the VRayNet.INI file which must be placed in the MAXROOT directory.

Build 1.09.01b

(*) Sometimes with low settings the irradiance map could produce black spots and faces.
(*) Sometimes V-Ray would crash with motion blur if objects depend on other objects.

Build 1.09.01a

(*) True instance rendering is supported
(*) Global photon maps are supported
(*) Irradiance map algorithm has been improved
(*) VRayMtl has been optimized to handle secondary light bounces more efficiently (by using Russian roulette rejection). When using VRayMtl, you can use high values for the depth of secondary diffuse reflections for the fraction of the time this took in previous builds.
(*) Distributed rendering has been improved
(*) Added the option to automatically save the irradiance/caustic/photon maps at the end of rendering.

Additionally, some small bugs have been corrected and some interface improvements were made (mostly in VRayLights).

There are a few sample files in this distribution. They are intended to demonstrate the usage of the various parameters of V-Ray. Please do not distribute these files. Although most can be downloaded freely from the internet, they are for learning purposes only!

Purpose of this test build

In addition to testing the new features, the purpose of this build is make sure all other features work as expected. Another important purpose of this build is to determine suitable default values for the new parameters and those with modified action. These are the settings of the irradiance map (color and distance thresholds, min/max rate, randomized sampling, usage of current pass samples, interpolation type).

Instance rendering

V-Ray now supports efficient rendering of instanced objects. Instead of replicating all the face of these objects as render primitives, the instanced objects themselves are treated as render primitves. Note that depending on the scene complexity (the density and orientation of instances) rendering true instances may be slower than replicating them. Use instance rendering only when RAM is an issue and your scene will not otherwise fit in memory.

Instancing is supported for static, motion-blurred and displaced objects.

Instance rendering is controlled by the Instanced objects option in the System roll-out.

Global photon mapping

Global photon mapping is intended mostly for interior or semi-interior scenes, where there is a lot of light bouncing around. The global photon map is a crude approximation of the global illumination in the scene, computed by tracing rays from light sources and storing the hit points with the scene geometry. Usually the photon map does not provide smooth enough approximation to be displayed directly, however it can be used to accelerate GI by giving an approximation for secondary diffuse bounces.

Currently the global photon map works only with V-Ray materials. Support for Standard materials will be added shortly (although this will come at the cost of increased rendering time).

In order to use the photon map, you must also tell the lights in your scene to emit photons; this is done via the Light Settings dialog, in the same way as with the caustics photon map.

There is an additional roll-up in V-Ray's parameters dedicated to the global photon map. Normally the global photon map is disabled. You can enable it by selecting the "Global photon map" option for first or secondary diffuse bounces in the Indirect Illumination roll-out. If you select "Global photon map" for first diffuse bounces, you will be able to see directly what the photon map looks like. This is useful when tuning the parameters of the photon map. For the final rendering, you should use Direct GI or Irradiance map with "Global photon map" selected for secondary diffuse bounces.

Parameters of the global photon map:

Bounces - the number of light bounces approximated by the map

Auto search dist - when this is on, V-Ray will try to deduce a suitable value for Search dist; currently this is not done in a very intelligent way and the computed value may be too small to be useful

Search dist - this

что касается сцены.. то стоит max9 vray 1.5 rc3 ...
сецчас поменяю все маты на серый виреевский !! ..

ты что курил что-то??? я думаеш только название знаю и все??? - ты не крутость плиз пакажи а давай что-то конструктивное ... а почти все виреи на 51render.com и не тока
ятебя конкретно спрашивал во плиз и отвечай

какой смысл в огромном посте? дай просто ссылку, чё топик засорять?

2Vergi-vergi загоняешь это все в тхт и приатачиваешь!!!
нехира флуд разводить у моей мыши колесо глючит что б мотать столько.

Посмотрел на размер ползунка прокрутки и подумал что тут много интересной инфы, а тут вон что...

У моей мыши колесо не глючит покупаёте logitech MX Revolution Вжал колесо в пол , крутанул один раз и полчиса смотриш как оно тебе полистываетт....
Но это всё так я в толк не возьму смысл данного поста ...
Читал Читал Читал Читал....

аффтар ТЫ ГДЕ ДЕЛСО?

Аффтар еще колесо крутит)))))

ВСЕ колесо докрутил.... извените за задержку.... .. продолжаем.... теперь точно разобрался , что в сцене с экстеръером ставится минимум 2 источника света...
1 Vray san .... иметация солнца
2 Vray light ...... только типа DOME ... иметирует свет от поверхности неба!!

свойства Vray sun...
1 интенсивность 0,001
свойства Vray light ...
Type dome
col. 217 231 237
mult 0.7

вот пикча..... сейчас поставлю физ камеру....

вот с физ камерой.... вроде поинтереснее.... в настройках камеры изменил только f-number -2

теперь настройки рендера...
Global swit. галку убрал на Default lights
Image sampler type: Adaptive subdi Antialia. filter........Catmull_Rom
GI .. ON..... Primary.....irradiance map Secondary.... Quasi-Monte Carlo

Iradiance map.... very low.... HSph-50 Intep -20
Enviroment..... GI...ON.... 217.231.237.....mult 0.7
Col.map. HSV exponental.....Bright mult 1.5

ВОт что вышло..... как думаете нормально??..... только надо с интенсивностью источников поработать..... И ЧТО еще НУЖНО МЕНЯТЬ??

выложи сцену, покрутить хотца

Привет, такое впечатление, что ты хотел коротко и ясно помочь всем начинающим. Огромное спасибо.

2 asif помочь конечно тоже... но я и сам в экст... неочень.... прото времени нет даже файло выложить , не то что с настройками копаться ...... но по возможности буду выкладывать!!! огромное извенение за заднржки в постах.... (если кому-то вообще этоа тема интерестна!!)

завтра точно ждите обновлений....

Добрый день всем!
Тема важная, с интересом за ней слежу, жду сценку, действительно интересно покрутитть
Удачи!

Или я не втыкаю или отстал от жизни. Всё ведь решается проще... при помощи сана и ская. Это ж ведь открытое пространство, а не студия.. ну и повесь скай в инвайромент.. сделай небо враевское, другими словами и завяжи положение солнца с максовской системой координат. А домм, насколько я знаю шумел раньше сильно.. может и пофиксили это в принципе. Но в любом случае экстерьерным данное освещение пока не назовешь.

тему экстерьера вроде жевали ужо многократно

тут например

а это мои тесты из той же ветки
врейнебо и врейсонце. соотношение по яркости 3/1 в среднем (по ссылке написано более подробно)

2 iDDQD ты рендерел с обычной камеры или вреевской??


итак как я понял основные настройки....
VRaySun 1
VRaySky 3
3DSMax gamma 1
VRay Linear Color Map Gamma 1.... но мне кажется если ставить врей камеру , то нужно ставить HSV exp...

склоняюсь к тому , что в Vray 1.5 нужно ставить еще и Vray light dome... с маленькой интенсивностью 1-3

вот посмотрите ... вроде все как написано.... свет вроде ничего... но что с тенями...?????


Ща выложу файло!!

http://slil.ru/23881376 ..... забирайте и исправляйте...... Vray 1.5 RC 3 MAX 9 32bit

бл..... вроде когда отрендерил пикча красивее была.... а запостил так... качества на нуле....

Vergi-vergi - а у меня 8 Макс

2 Vergi-vergi . Почему ты не используешь VraySky ?

Верки-ВеркиЮ
что-то тебя там серьёзно напутано!!!
Дом весь перекорёжен. По моему с таким не стоит возиться.
Говори какой это, венее с какого диска Evermotion он, бум восстанавливать...

Что касается постаоения света тоже надрил...
С появлением V-Ray Sun +V-ray Sky -ничегошеньки более не нужно!
Всё упростилось ну просто до безобращия - проще тока сделать одну кнопку с надписью "Сделать Красиво"!
Выкидывая Skylight, далой белый задник!!
Ставишь VRay Sun.
Intensity поначалу не трогай. Если бы ,0ххх *зч) было правильной величиной то она и была бы 1!
Камера - тока VRayPhysical Camera! настройеп там довольно точно имитируют SLR камеру. Если нет опыта с такой - в Google - точно найдётся тонна описаний чё как фотографировать! Всё это пркменимо на 85% к VRayPhysical camera.
В задник, GI Environment (skylight) override и Reflection/refraction override ставь VRaySky.
Инстансируешь её в MatEditor и ставишь галку в manual Sun node
(ы принципе должно вроде и дез жтого работате, но что-то не работает по человечески). Вешаешь на sun node своё соннце.
Вот!
Врвстроек там не много - вполне по силам перепробовать массу комбинаци

1 .... домик взял из доч моделей...
2 енвайремент... зачем врейскай... рендерим пакчу... и альфа канал.... потом в фотошоп ... и вместо энвайромент... нормальные облачка..... так же можно???

Верки-Верки:
что-то тебя там серьёзно напутано!!!
Дом весь перекорёжен. По моему с таким не стоит возиться.
Говори какой это, венее с какого диска Evermotion он, бум восстанавливать...

Что касается построения света тоже намудрил...
С появлением V-Ray Sun +V-ray Sky -ничегошеньки более не нужно!
Всё упростилось ну просто до безобращия - проще тока сделать одну кнопку с надписью "Сделать Красиво"!
Выкидывая Skylight, далой белый задник!!
Ставишь VRay Sun.
Intensity поначалу не трогай. Если бы ,0ххх *зч) было правильной величиной то она и была бы 1!
Камера - тока VRayPhysical Camera! настройеп там довольно точно имитируют SLR камеру. Если нет опыта с такой - в Google - точно найдётся тонна описаний чё как фотографировать! Всё это пркменимо
на 85% к VRayPhysical camera.
В задник, GI Environment (skylight) override и Reflection/refraction override ставь VRaySky.
Инстансируешь её в MatEditor и ставишь галку в manual Sun node
(ы принципе должно вроде и дез жтого работате, но что-то не работает по человечески). Вешаешь на sun node своё соннце.
Вот!

Настроек там не много - вполне по силам перепробовать массу комбинаций за вечер...
Пара советов...
хотя в принципе VraySun и VRaySky дожны быть с одинаковыми настройками гораздо более интересного результата можно добиться настрайвая их порознь.
Вот краткие пояснения что отвечает за что:
1. Хотя в настворойках Vray Sky и написано SUN (turbidity и тд) – как говаривал Козьма Прутков «… не верь глазам своим» всё это редактирует свет и вид прежде всего неба.
2. Turbidity – «запылённость» чем выше тем рассеяннее и желтее свет.
3. Ozone – ну наверное что это объяснять не надо, но как действует пожалуй сказать стоит – чем выше значение (0-1) тем синее свет.
4. Intensity multiplier – чем выше тем ярче небо и больше от него света, тут всё линейно!
5. Size multiplier – примерно то же что и реклама постоянно приходящая всем и вся – даже моей маме её мыло завалили ею какое-то время назад – больше более мягко становится (в отличии от рекламных обещаний, но это о другом)… Тени мягче будут – более Area подобные. Эта настройка само собой более уместна для солнца, но и здесь кой чё даёт, а именно размер «нарисованного» на небе солнца. Есть ли ещё какой практический эффект от накрутки этого параметра в настройках VRaySky не пойму…
Настройки на VRay Sun практически идентичны выше приведённым. Есть ешё Shadow subdivs, Shadow Bias, но эти ничем от общепринятых не отличаются. Про photon emit radius ничего сказать не могу – не знаю.
В камере принцип тоже довольно прост – что бы увеличить количество регистрируемого света и, соответственно, яркость картинки надо/можно:
1. Увеличить дырку – уменьшив f-number.
2. Увеличить выдержку уменьшив shutter speed (s^-1) число
3. Увеличить чувствительность камеры увеличив film speed (ISO)
Это основное, азы, так сказать. За остальным – очень полезным и главное возможным с VRay PhysicalCam вперёд в фотодело!

ЗЫ.

Упс…
Пардон за двойной пост.
Так ответы:
1. домик, по крайней мере, как он есть - в корзину – убитый он совсем… то ли тобой, то ли от Dosch такой был – вообще качество их моделей весьма посредственно и много всяких ляпов. С какого именно диска посмотрю может валяется где у меня…
2. Environment это не просто задник! Это отражения и тонированный свет! Если цуль сделать реалистичное и красивое изображиние одна склейка в Photoshope не покатит! Посмотри на свой домик – он же ни откуда и ни в чём. Мёртвый фальшивый свет… Если ты делаешь рендер бумажного макета стоящего под лампами дневного света то куда ни шло… ни на что остальное такое освещение не годится и модель с отрендеренная в таком энвайроменте будет как бельмо в твоём фотошопном коллаже.
Опять же хочу отослать тебя к фотографии! Вообще фотокурс – совершенно необходимое дело для визуализатора! Помню до слёз смеялся читая ветку про Vray Physical Camera как только она появилась. Очень странно, что люди занимающиеся таким делом SLR камеру в руках не держали…
В принципе и книг и страниц в интернете с советами по фото (именно технике съёмки SLR камерами) пруд пруди! Даде можно почитать инструкцию к SLR камере, например в моей к Nikon D70, все принципы объяснены весьма доходчиво.

вот несколько быстреньких реднеров домика №09 с диска Archimodels 17 on Evermotion:







весь свет ТОЛЬКО VRaySun +VRaySky через VRayPhysical Camera
никакой постобработки

Может несколько топорно, но принцип я думаю виден.

2 SimFox спасибо огромное..... все просто и понятно....

спасибп огромное... РЕСПЕКТ И УВАЖУХА тебе.....

Ещё одна настройка присктвующая в VRay Physical Camera и практически весьма полезная – Vertical Shift. Это, по сути, имитация специализированной (и потому дорогущей) оптики использующейся при съёмке архитектуры:




А теперь вовнутрь…
Хотя топик и озаглавлен «… для экстерьеров» я просто хочу показать универсальность нового «фотографического» подхода VRay.
Освещение осталось абсолютно тем же что и на предыдущий «снимках».


Левая картинка сделана с теми же настройками камеры, что и снаружи.

царь.... теперь может с матами разберемся.... или легче сказать беги на Vray-materials.de ... и только изменяй текстуры??...

В принципе и туда не так чтоб обязательно нада! Те шаблоны что устанавливаются с VRay в смысле физики абсолютно адекватны.
Хотя прелесть добра с упомянутого сайта в том, что многие, если не большинство, из них – процедурные. Ну и само собой полностью разбираемы – прекрасный способ освоить очень практический подход.

Нельзя, как говаривал Козьма, объять необъятного. Так что если есть какие конкретные вопросы спрашивай. Если смогу отвечу…
Вообще-то я в 3D относительный новичок – где-то с полгода как занялся из-за (будешь смеяться) SimCity…
Просто новый подход в VRay относительно прост и мне привычен, так как я увлекаюсь фотографией

вот тот же интерьер с Vertcal shift on (.3)

использовать надо осторржно так как искажения налицо... хотя и в случае с объективами, стояшими тысячи, та же петрушка