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 Отправлено SergeyMarina 8 августа 2007   

На выставке SIGGRAPH 2007 выпущена конечная версия визуализатора Vray 1.5. Релиз доступен для 3ds Max 7-9. Среди нововведений можно отметить новые элементы визуализации VRayMatteShadow, VRayTotalLighting, VRayRawTotalLighting, новые режимы анимации для irradiance map - "Animation (prepass)" и "Animation (rendering)", а также параметр для управления смешиванием между кадрами. Практически все функции V-Ray были улучшены, в том числе геометрия, источники света, материалы, GI. По умолчанию в V-Ray больше не используется rQMC sampling, вместо него используется улучшенная версия Schlick sampling с меньшим числом шума. Добавлено множество новых параметров в VRaySun, VRayLight и VRayPhysicalCamera, в частности, в настройках камеры есть параметр для управления виньетированием. Для опции визуализации в текстуры поддерживается возможность распределенного рендеринга, сам Disributed rendering теперь может быть запущен как задание BackBurner. Объекты VRayProxy отображаются в окнах проекции быстрее, добавлены новые параметры для карт и материалов VRayDirt, VRayColor, VRayHDRI, VRayOverrideMtl и VRayMtlWrapper; в VRayMtl появилась новая модель для создания эффекта подповерхностного рассеивания, VRayEdgesTex может использоваться как карта рельефа. Модификатор VRayDisplacementMod поддерживает текстуры с высоким динамическим диапазоном для смещения в режиме "2d landscape". Vray 1.5 Final можно скачать из раздела Support на официальном сайте (само собой, требуется регистрация). Полный список улучшений и исправлений ошибок можно прочитать на второй странице новостей. Щелкните по ссылке "Читать далее", чтобы увидеть их.

Build 1.50.00 final =================== New features: (*) New render elements: VRayMatteShadow, VRayTotalLighting, VRayRawTotalLighting; (*) Added exporter script to the .vrscene file format supported by the standalone version of V-Ray; (*) Animation modes for the irradiance map (added two new modes "Animation (prepass)" and "Animation (rendering)" along with a paramter to control the blend between frames; Modified features: === Core engine (*) Increased rendering speed for some types of scenes; (*) By default V-Ray no longer uses rQMC sampling; instead, a modified version of Schlick sampling is used (noise is reduced in certain situations); === Installation (*) Updated WIBU-key drivers for 32- and 64-bit Windows* (including Windows* Vista*) are included with the installation; (*) The uninstaller will unregister any V-Ray services as well (DR spawner, license server etc.); (*) The installation has three options for the type of installation (full workstation installation; render slave installation; and license server only); === Lights and cameras (*) New photometric models for VRaySun, VRaySky, VRayPhysicalCamera and VRayLights; (*) Global option to work in the system lighting units of 3dsmax for consistent results with 3dsmax photometric lights; (*) VRayLight has a "Cutoff threshold" parameter, which allows to reduce render times in scenes with many weak lights; (*) VRayLight has an "Affect reflections" option to control reflection visibility separately from speculars; (*) VRayLight has a "Simple portal" option that speeds up the rendering by considering environment color only (rather than tracing behind the portal); (*) VRayLight has a "Cast shadows" option; (*) VRayLight objects now produce accurate motion blur when animated; (*) VRaySun is now compatible with the 3dsmax Daylight system and can be selected as a sun type; (*) VRaySky will now pick the first VRaySun light in the scene that is enabled (rather than the first one at all); (*) VRayPhysicalCamera supports horizon line in the viewports, clipping and environment near and far ranges; (*) VRayPhysicalCamera has a parameter for controlling the amount of vignetting; === Disributed rendering (DR) (*) DR is now supported for Render-to-texture; (*) DR can now be started as a BackBurner job; (*) Render slaves can be added on the fly to the distributed rendering; (note: the servers must still first be added as DR servers list in the DR settings); (note: if more than 1 network adapters are installed on the slave, set the VRAY_DR_SUBNET env. variable); (*) If "Check for missing files" option is checked, DR will now fail on the render slaves if some maps cannot be found, instead or rendering wrong buckets; === Geometry (*) New default "Auto" mode for the "Default geometry" parameter automatically detects heavy meshes and instances and renders them as dynamic geometry to save RAM; (*) The ply2vrmesh converter now supports .obj files and has some .obj-specific options; (*) VRayProxy objects display faster in the viewports; (*) VRayProxy will now re-link the .vrmesh file at each frame, rather than only at the render start; (*) VRayProxy objects now produce motion blur when the proxy transformation is animated; (*) VRayProxy objects now generate velocity information for image motion blur when their transformation is animated; (*) VRayProxy objects now declare the .vrmesh files to the Asset Tracker in 3ds Max 9; === Materials and textures (*) Added exclude list for material override in the Global Switches rollout; (*) Matte objects with the "Shadows" option checked will now generate VRayRawLighting, VRayRawShadow and VRayMatteShadow elements; (*) VRayDirt has an option "Work with transparency", which causes it to take into account the transparency of occluding objects; (*) VRayHDRI has a "Render multiplier" parameter, which additionally modifies the map only at render time; (*) VRayHDRI maps now declare their files to the Asset Tracker in 3ds Max 9; (*) VRayMtl has a new "hybrid" SSS model; (*) VRayMtl now has an "Envrionment priority" option to control environment override behaviour between different materials; (*) VRayMtl now has a "Roughness" parameter that allows to produce effects close to dusty surfaces (like skin or the surface of the Moon); (*) VRayColor texture has an option to apply gamma correction to the displayed color in the UI; (*) VRayFastSSS material has been reworked to use the irradiance map interpolation mechanism for faster and smoother results; (*) VRayEdgesTex can now be used as a bump map to produce a rounded-corners effect on triangle meshes; (*) VRayMtlWrapper has the options "No GI on other mattes" and "GI surface ID" added to it; (*) VRayOverrideMtl has a shadow override option; === GI solutions (*) The irradiance map viewer will print out the progress of merging irradiance maps; (*) The autosave file names for irradiance/light cache/photon/caustics maps are now updated at each frame, rather than only at the render start; (*) The irradiance/light cache/photon/caustics maps are auto-saved as soon as they are computed, rather than at the end of the frame/rendering; (*) The "Save maps per frame" option has been removed from the GI rollout; === Render output (*) "Don't affect colors" option for color mapping; useful if you only need the sampling adaptation to be performed; (*) "Clamp Level" option for color mapping (specifies the level at which colors are clamped, if clamping is on); (*) Options for directly controlling the render mode (region, crop etc) of the V-Ray VFB; (*) When rendering to texture (RTT) the 3dsmax VFB is now always generated, regardless of whether the V-Ray VFB is on or off; (*) V-Ray will write a tiled OpenEXR file directly to disk, similar to a raw .vrimg file, if the raw file name ends in ".exr"; === Others (*) VRayDisplacementMod now supports high-dynamic range textures for displacement in "2d landscape" mode; (*) V-Ray will now force multithreading when 3dsmax is in slave mode, regardless of the 3dsmax multithreading option; (*) Added "Affect alpha" option to VRaySphereFade; (*) VRaySphereFade works correctly with transparent objects; (*) VRayFur can now generate motion blur with more than 2 geometry samples; (*) The default value for the number of light cache passes is now 8; (*) The parameters of the renderer have been split into several tabs in the Render Scene dialog for 3ds Max 9 and later; Known issues: (*) When rendering a 3dsmax Raytrace material applied on VRayProxy objects, V-Ray will crash; removing the Raytrace material prevents the crash; (*) Instancing a group inside a ParticleFlow system may cause a crash, if the original group is rendered as well; hiding the instanced group prevents the crash; Bug fixes: (*) "Affect shadows" and "Affect alpha" options did not work for VRayMtls inside a Multi/subobject material (RC3 bug); (*) Moving VRayPhysicalCamera caused spurious MacroRecorder events about the target distance changing; (*) Problems with 2D displacement (RC3 bug); (*) Automatically created VRaySky did not have a name; (*) Horizontal scrolling problems with the V-Ray messages window; (*) VRayOverrideMtl could cause 3dsmax to crash; (*) Multi/subobject material inside a VRayBlendMtl etc. did not render; (*) 64-bit V-Ray could fall into an infinite cycle when rendering 2d displacement; (*) Some rare raycaster precision errors were fixed; (*) Starting/finishing rendering could be extremely slow in 3dsmax R9; (*) VRayHDRI always took at least 10 MB of memory, regardless of actual image size (RC3 bug); (*) Incorrect irradiance map density and texture sharpness when using camera clipping planes; (*) Missing files (textures/VRayProxies etc) were not always detected correctly; (*) Distributed rendering between mixed 32/64-bit V-Ray versions did not work properly; (*) Standard materials with transparency did not render properly (RC3 bug); (*) No motion blur for ParticleFlow on 64-bit 3dsmax; (*) Color corrections from the V-Ray VFB were applied to the alpha channel when splitting the render channels to files; (*) Crash with the "Show map in viewport" option for VRayMtl when using Direct3D (RC3 bug); (*) Textures with mapping channels greater than 1 are now correctly shown in the Material Editor; (*) The "Global light level" options from the Environment dialog now affect the color of VRayLights and standard 3dsmax lights; (*) VRayBlendMtl did not list the blend textures as sub-anims; (*) If "Render to raw image file" option for the V-Ray VFB was ON, but the file name is empty, V-Ray would freeze while rendering; (*) The parameters of VRayMtlWrapper did not have proper names in Track View; (*) If the primary GI engine was light cache or photon map but GI is turned off, standard materials would render black; (*) VRayMtl materials with low glossiness inside a VRayBlendMtl could produce polygonal artifacts on shadow/light boundaries; (*) The pixel aspect ratio from the Render Scene dialog was ignored when rendering with DR to the 3dsmax VFB; (*) A low-dynamic range 3dsmax frame buffer was used even when saving to a high-dynamic range file format (.exr, .hdr etc); (*) Problems when rendering animations in DR mode with light cache as both primary and secondary engine; (*) Small rectangle area lights could produce artifacts for points lying close to the light plane; (*) Somewhat better memory management for proxies and dynamic meshes; (*) Crashes with VRayFur on animated objects when using motion blur; (*) Incorrect environment color with several VRayLights in "dome" mode; (*) "Crop" render mode with the V-Ray VFB did not work for animations; (*) Sporadic crashes when using the "Camera Map Per Pixel" texture inside V-Ray materials (VRayMtl, VRayLightMtl etc); (*) VRayBmpFilter did not always display its bitmap texture successfully; (*) VRayBmpFilter could produce invalid colors; (*) Photon mapping could produce wrong GI on transparent surfaces; (*) Crashes with interpolated glossy reflections/refractions if there is only 1 sample in the interpolation map; (*) Irradiance map produced incorrect results when used with VRayLight in "Light portal" mode; (*) Faceting on low-poly geometry when using anisotropic reflections with UV-channel mapping; (*) Incorrect sampling with gamma color correction when some of the pixel RGB components is zero; (*) In 3dsmax 9, VRayMtlWrapper, VRay2SidedMtl, VRayOverrideMtl could crash when reset from the Material Editor; (*) Some V-Ray materials (e.g. VRayMtl) did not reset when the "Reset" button from the Material Editor was used; (*) The contents of the V-Ray VFB was not cleared regardless of the "Previous render" option in the System rollout; (*) V-Ray sun could produce brighter highlights than is correct when its size multiplier is much greater than 1.0; (*) Banding with very small spherical VRayLights; (*) SSS with VRayMtl did not work properly with intersecting refractive objects; (*) Problems with dome light and matte/shadow materials with GI on; (*) VRayBlendMtl in additive mode produced incorrect alpha channel; (*) VRayHDRI did not free is memory with the freeSceneBitmaps() MaxScript command; (*) Crash when rendering disconnected Particle Flow events; (*) In 3dsmax 9, clearing a texture in VRayMtl could cause a crash, if the texture is visible in the viewport; (*) In 64-bit 3dsmax, the Dynamic raycaster memory spinner was still limited to 4096 MB; (*) In some cases VRayFur did not render properly; (*) Wrong mapping coordinates for VRayFur when motion blur was enabled; (*) Incorrect velocity G-Buffer channel due to camera movement for scaled cameras; (*) Distortion map for VRayToon had no effect; (*) Light cache prefiltering ignored GI surface IDs; (*) VRayLight's appeared in reflections for objects excluded from the lights; (*) Light cache files saved on 32-bit machines did not load properly on 64-bit machines and vice-versa; (*) When rendering a high-resolution image with the "Hilbert" region sequence, V-Ray could crash; (*) A light which had "Affect diffuse" option off still contributed to the diffuse lighting channels; (*) When mass-editing V-Ray object or light properties, greyed out properties with different values across the nodes were incorrecly applied to the nodes; (*) Area VRayShadows with Box type did not respect the rotation of the light; (*) DR render slaves crashed when photometric Linear or Area lights were contained in the scene; (*) VRayFastSSS displayed black in the viewports; (*) VRImg2Exr tool gave error when converting large .vrimg files rendered in "region" mode; (*) MaxScript error when adding VRayCausticsMap to the RTT bake elements; (*) When rendering animations with DR, slaves faster than the client machine could fail to contribute to some of the frames; (*) Using RoyalRender client as a service caused a wxWidgets error when no-one is logged on the machine;

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