V-Ray Real Time for 3Ds Max Features
Currently the V-Ray RT technology is based on CPUs - it does NOT require any special or expensive graphics cards. All V-Ray RT needs is CPUs.
- V-Ray RT supports distributed rendering across multiple machines in the local network.
- V-Ray RT is an ActiveShade renderer in 3ds Max, separate from the production V-Ray renderer.
- V-Ray RT performs the actual rendering outside of 3ds Max itself, with the help of the V-Ray RT render server(s), which can run either locally on the same machine, or on other machine(s) in the local network. The renderer plugin in 3ds Max only relays the scene changes to the render servers and displays the final result.
Interactivity
A major feature of V-Ray RT is its ability to track changes to the scene performed by the user and automatically update the ActiveShade preview. The following scene changes are supported:
- Create/delete objects (geometry, lights, cameras, etc.);
- Modify object parameters;
- Move/rotate/scale objects;
- Apply/remove/edit object modifiers;
- Hide/unhide objects;
- Apply materials on objects;
- Modify material properties like textures, colors etc;
- Modify light properties (like position, color, etc.)
- Animation of cameras, objects, lights and materials (scrubbing the time slider);
- Render settings change;
- Camera/view orientation change;
- Modify camera/view parameters;
- Environment change (color, texture etc).
Geometry
The following geometric objects are supported by V-Ray RT:
- Triangle meshes;
- All other primitives that are convertible to triangle meshes (NURBS surfaces, patches, etc.);
- VRayPlane objects.
Materials
The following materials are supported by V-Ray RT
- V-Ray materials: VRayMtl, VRayBlendMtl, VRayOverrideMtl, VRayLightMtl and VRay2SidedMtl;
- 3ds Max materials: Multi/sub-object, Standard, Shellac and Blend;
- VRayWrapperMtl material is only partially supported.
Textures
The following textures are supported by V-Ray RT:
- Bitmap textures: PNG, BMP, TGA, JPG, EXR, HDR, SGI, PIC and TIFF file formats;
- Procedural textures: Checker, Noise, Falloff, Speckle, Cellular, Gradient Ramp, Tiles etc;
- Utility textures: Output, Normal bump, Mix, Mask, RGB Multiply, RGB Tint etc;
- V-Ray textures: VRayColor, VRayCompTex, VRayEdgesTex, VRayHDRI, VRaySky and VRayBmpFilter;
- 3rd party textures: the ColorCorrect texture is partially supported (the Gamma and Source parameters).
Illumination
The following methods for illumination are supported by V-Ray RT:
- Indirect (global) illumination:
- Progressive path tracing as global illumination solution.
- Direct illumination:
- Standard lights: Spot, Omni and Direct;
- + VRayShadow shadow type for hard and soft shadows;
- Photometric lights;
- V-Ray lights: VRayLight (Plane, Sphere and Dome types), VRaySun and VRayIES.
- Environment illumination and image-based lighting (IBL):
- Either through GI or
- with a VRayLight in Dome mode with a texture map.
Shading
The following shading effects are supported by V-Ray RT:
- Diffuse materials;
- Bump and normal mapping;
- Transparency;
- Clear reflections and refractions;
- Blurry reflections/refractions:
- Phong, Blinn and Ward reflection models;
- Anisotropy;
- Absorption (fog) for refractive materials;
- Layered materials;
- Two-sided (translucent) materials;
- Self-illuminated materials.
Camera effects
V-Ray RT supports the following camera types and camera effects:
- Camera types:
- Perspective views;
- Standard cameras;
- VRayPhysicalCamera.
- Camera effects:
- Depth-of-field with bokeh effects;
- Exposure settings and vignetting.
- Camera distortion
Animation
V-Ray RT supports and reacts to the following animation types:
- Camera animation;
- Object animation (move/rotate/scale; deformations);
- Material animation;
- Lights animation.
Render settings from V-Ray Production
V-Ray RT takes some of the render settings from the production V-Ray renderer, if present:
- Color mapping;
- Override material;
- Camera settings for depth of field (when using perspective views or standard cameras);
- Environment overrides.
Licensing
In order to take advantage of the rendering capabilities of V-Ray RT, the user must have a working installation of V-Ray 1.50.SP3 or later. The existing V-Ray dongle can be reprogrammed to contain the extra V-Ray RT licenses, or a separate dongle for V-Ray RT can be obtained.
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