v-ray for sketchup rus.doc
TRANSCRIPT
Global Switches
Materials sectionReflection/refraction - / V-Ray maps .
Max depth - reflection/refraction. , .
Maps - / .
Filter maps - / . . , .
Max. transp levels - .
Transp. cutoff - . - .
Override mtl - () . , , .
Glossy effects - (); .Indirect illumination section
Don't render final image - , V-Ray GI (photon maps, light maps, irradiance maps). fly-through .Raytracing section
Secondary rays bias - ; (face) . . 3dsmax Render-to-texture.Lighting sectionLights - / .
Default lights - / default lights .
Hidden lights - / hidden .
Shadows - / shadows .
Show GI only - , . , .System
Raycaster Params V-Ray Binary Space Partitioning (BSP) .
V-Ray raycasting - , . ( ) . . , V-Ray , binary space partitioning (BSP).
BSP , , . . - ; - .Max tree depth - BSP. - . ( ) . , .
Min leaf size - BSP. 0.0, V-Ray . , V-Ray .
Face/level coef - . , BSP . . ( ) .Default geometry -V-Ray raycasting . BSP tree, . non-motion blurred motion blurred, . 3dsmax . (displacement-mapped objects, VRayProxy VrayFur, ).
Static () . .
Dynamic () (). .
Dynamic memory limit - . . 400 MB, , , , 200 MB . , , , .
Region division V-Ray (buckets). Bucket V-Ray. Bucket . Buckets . bucket , buckets ( CPUs ). buckets .
X - ( Region W/H ) buckets ( Region Count)
Y - buckets ( Region W/H ) buckets ( Region Count).
Region sequence - buckets . Triangulation sequence (displacement-mapped objects, VRayProxy VRayFur ), .. , bucket. , .
Reverse sequence - reverses Region sequence .
: Image Sampler Adaptive Sampler buckets .Distributed rendering
Distributed rendering . (). V-Ray multithreading, distributed rendering.
distributed rendering, . 3dsmax V-Ray , (). , V-Ray spawner ( , -:) Installation Distributed rendering.
Distributed rendering - .
Settings... - Distributed rendering.Camera
Camera typeV-Ray : Standard, Spherical, Cylindrical(point), Cylindrical (ortho), Box Fish eye. Orthographic .
Override FOV - 3dsmax FOV . , V-Ray FOV 0 360 , 3dsmax 180 .
FOV - FOV ( Override FOV FOV ).
Height - Cylindrical (ortho) .Auto-fit - auto-fit Fish-eye . V-Ray Dist value , .
Dist - Fish-eye . Fish-eye ( 1.0) "" . Dist ( ). : Auto-fit.
Curve - Fish-eye. . 1.0 Fish-eye. 0.0 . 2.0 .: .
Type - . Standard, Spherical, Cylindrical (point), Cylindrical (ortho), Box, Fish eye. Examples.
Standard - (pinhole camera).
Spherical - , .
Cylindrical (point) - - . (pinhole camera) .
Cylindrical (ortho) - .
Box - . environment maps cube mapping. GI - irradiance map Box , .
Fish eye - . Dist/FOV . FOV. , 1.0.Depth of field
On - (depth-of-field).
Aperture - ( ) , . DOF, .
Center bias - DOF . 0.0 , . , , , .
Focal distance - , (). .
Get from camera - (target), .
Sides - , .
Rotation - .
Anisotropy - bokeh . . .
Subdivs - DOF. , . , . QMC sampler Image sampler.
Motion blur
On - motion blur.Duration - , .
Interval center - motion blur 3dsmax. 0.5 , motion blur . 0.0 , ( ).
Bias - motion blur . 0.0 , motion blur. , . , .
Prepass samples - irradiance map.
Blur particles as mesh - . , . , motion blur .
Geometry samples - . , . , . .
Subdivs - motion blur. , . , . QMC sampler Image sampler.
: Depth of field . .
DOF motion blur , Subdivs.
Output
Output SizeOverride Viewport - V-Ray VFB 3dsmax common .Image Aspect - Override ViewportPixel Aspect - pixel- ( )
Render Output
Save file
V-Ray Raw Image FileRender to VRImage *.vrimg
AnimationFrame Rate (FPS) Environment
GI Environment (skylight) environment . skylight.
Color - (skylight).
Multiplier - . environment ( ). Output map environment map, .
Texture - background environment.
Reflection/refraction environment
environment reflections/refractions. reflection/refraction environment ( VRayMtl) ( VRayMap).
Color - background (skylight).
Multiplier - . environment ( ). Output map environment map, .
Texture - background environment reflection/refraction.Background - , backgroundImage Sampler
Fixed rate sampler , .
Subdivs - . 1, . 1, quasi-Monte Carlo .
RGB , , / (blurry effect). , Real RGB .
Adaptive QMC sampler
, . V-Ray QMC sampler.
Adaptive QMC ; Noise threshold QMC sampler- .
(, VRayFur) : DOF, motion blur, glossy reflections. , Adaptive subdivision sampler.
RGB , , / (blurry effect). , Real RGB .
Min subdivs - () . 1, , , .
Max subdivs - .
Adaptive subdivision sampler
. (direct GI, DOF, glossy reflection/reftaction ..) V-Ray. . / , , .
Min. rate - . 0 - ; -1 ( ) - ; -2 .
Max. rate - ; - ; 1 - ; 2 - .
Threshold - . , , .
Normals - . DOF motion blur.Antialiasing filter
antialiasing filter. 3dsmax Plate Match . Examples antialiasing .
:
? :
blurry effects , Adaptive subdivision sampler 1, . blurry , Two-level sampler . , Adaptive subdivision sampler Two-level sampler. blurry , Fixed rate sampler .
:
bucket-. bucket . Adaptive subdivision sampler, sub bucket-.Adaptive QMC sampler Fixed rate sampler , .
QMS Sampler
rQMC (randomized Quasi Monte Carlo) sampling V-Ray ("blurry") - antialiasing, DOF, indirect illumination, area lights, glossy reflection/refraction, translucency, motion blur.
rQMC sampling , .
, V-Ray , , . rQMC sampler.
, V-Ray, QMC sampling , , QMC ( - :) random Monte Carlo ).
:
subdivs . Global subdivs ( ).
(, , , .. ; area lights ..). (importance sampling).
() - , ; , . early termination.
Amount - . . 1.0 , 0.0 .
Min samples - . , .
Noise threshold - V-Ray- . . . 0.0 .
Global subdivs multiplier - ; / lightmap, photon map, caustics . (dof, moblur, irradiance map, qmc GI, area lights, area shadows, glossy reflections/refractions) .Color Mapping
Color mapping ( tone mapping) . /, . Color mapping / .Type - . :
Linear multiply - . ( 1.0 255) . () .
Exponential - . (, ). , .
HSV exponential - Exponential, , .
Intensity exponential - Exponential, RGB .
Gamma correction - . Dark , -. Bright gamma(, gamma 2.2, Bright 0.4545).
Intensity gamma - , (r/g/b) .
Reinhard - . Burn 1.0, , Burn 0.0 .
Dark multiplier - .Bright multiplier - .
Gamma - color mapping. , Gamma correction color mapping. , 2.2-gamma, Gamma 2.2.
Sub-pixel mapping - color mapping , sub-pixel. , , , .
Affect background - , color mapping background .
Clamp output - , color mapping . (, hdr , ) - , Clamp output.Displacement
Edge length - . (subtriangles). , , . Edge length View-dependent, .
View-dependent - , Edge length . 1.0 , . , Edge length .
Max. subdivs - . . , 256, 65536 .
. tesselate . V-Ray 1.45.20, ( () - ).
Tight bounds - , V-Ray displaced . , , (, ). , , . Vray .:
displacement- bounding box. , displacement . , VRayDisplacementMod , .
Indirect Illumination
Approaches to indirect illumination
V-Ray :
Direct computation - (Quasi-Monte Carlo GI) - ; GI .
:
( ) ;
, (flicker) ;
;
(motion-blurred) .
:
(, );
, , .
Irradiance map - ; , .
:
irradiance map , ;
irradiance map;
irradiance map , ( ) fly-through;
irradiance map area light .
:
GI, ;
low , (flicker) ;
irradiance map ;
(motion-blurred) ( ).
Photon map - . "". Photon map ; .
:
photon map ;
photon map fly-through ;
photon map .
:
photon map ;
;
V-Ray's , (motion-blurred) ( );
photon map , environment lights (skylight).
Light map - . photon mapping, . light map . 3d , photon map.Light map GI () , irradiance map direct GI .
Advantages:
lightmap . , photon map, , .
light-mapping - skylight, self-illuminated , non-physical, photometric ... , photon map , - photon map skylight omni .
Light map . Photon map, , , .
light map .
Disadvantages:
irradiance map, light map . , , , GI ; * V-Ray ;
V-Ray ;
photon map, light map . , .
light map bump maps;
irradiance map direct GI bump maps.
(motion-blurred) , , lightmap GI ( irradiance map, ).
? . .
Primary () secondary ()
V-Ray : . , () , /. , () GI ( ).
On - .
GI caustics
GI caustics represent GI caustics - /. skylight, self-illuminated . , direct lights . Caustics direct light. , GI caustics .
Refractive GI caustics - () . GI caustics Caustics, , .Refractive GI caustics skylight .
Reflective GI caustics - . , Caustics, . .. , ..
Post-processing
indirect illumination, . ; .
Saturation - : 0.0 - , . 1.0 - , GI . 1.0 - .
Contrast - Contrast base GI .
Contrast 0.0, GI solution , Contrast base. 1.0 Contrast . 1.0 .
Contrast base - Contrast. GI, .
Save maps per frame - , , V-Ray GI maps (irradiance, photon, caustic, light maps) auto-save, . . , V-Ray .
First (primary) diffuse bounces
Multiplier - primary diffuse bounces . 1.0 . , .
Primary GI engine diffuse - primary bounces:
Irradiance map
Global photon map
Quasi-Monte Carlo
Light mapmore information.
Secondary diffuse bounces
Multiplier - secondary diffuse bounces . 1.0 , 0.0 . . , .
Secondary diffuse bounces method - secondary diffuse bounces.
None - . indirect color bleeding.
Global photon map
Quasi-Monte Carlo
Light mapmore information.
: V-Ray skylight. Skylight background color environment map MAX's environment , V-Ray' Environment.
GI 1.0. , .
Light Cache
Light caching ( light mapping) . Chaos Group V-Ray . photon mapping, photon mapping .
Light caching . 3D , photon map. , , .. photon map , photon map.
, light-caching photon map:
. , photon map, .
Light-caching - skylight, self-illuminated , non-physical lights, photometric lights ... Photon map , skylight standard omni .
Light cache . Photon map, , , , .
.
, light caching photon map . light cache .
, light cache :
irradiance map, .
photon map, light cache . .
Light cache bump maps.
Subdivs - . (1000 , 1000000 ).
Sample size - . , , , . , . , light cache Scale.
Scale - Sample size Filter size
Screen - (1.0 ). , . . , light cache .
World - . - , . . fly-through , .
Store direct light - , . , irradiance map direct GI , .. light cache, . . light cache , , .
Show calc. phase - . , . - .
Pre-filter - , light cache . normal light cache filtering ( ) . , , . . light cache light cache.
Filter - . , light cache.
None - . . , , light cache . ( ). , light cache .
Nearest - . light cache, , light cache . , . Interpolation samples , light cache .
Fixed - . , light cache . Filter size. . 2-6 Sample size. Filter size Sample size Scale
Use light cache for glossy rays - , light cache GI .
.
Number of passes - light cache , . light cache . , , ; .
, 1 .
Mode - light cache:
Progressive path tracing - , light cache . .
Single frame - light cache .
Fly-through - light cache , .
World Scale . Light cache , .
From file - , light cache . light cache; , light cache , light cache.
: Adaptation by importance amount QMC sampler 0.0 light cache, .
, . , , light cache .
255 .
light cache , Filter size (flickering) GI.
light caches , light caches .
photon map, light cache . , .
Quasi-Monte Carlo GI
Quasi-Monte Carlo GI GI.
Quasi-Monte Carlo GI -. GI . , , .
Quasi-Monte Carlo GI, (photon map light map) ( ).
ParametersSubdivs - GI. V-Ray (). , QMC sampler .
Depth - Quasi-Monte Carlo GI . .Irradiance Map
irradiance map. , irradiance map GI .
, irradiance map .
Irradiance 3D , . , irradiance 3D . , irradiance map. - , . .. , .
, - , .
, diffuse surface irradiance - , , .
V-Ray, irradiance map . GI, (, , ), . Irradiance map . ( ) . , , , .
Irradiance map 3d ( ) . GI , V-Ray , irradiance map . , V-Ray ( , ..). , V-Ray , . , irradiance map..
Basic parameters
Min rate - GI . 0 , ( " ", ). -1 , ( ..). , GI . Min rate Adaptive subdivision image sampler.
Max rate - GI . Max rate Adaptive subdivision image sampler.
Color threshold (Clr thresh) - irradiance map . ; irradiance map ( ).
Normal threshold (Nrm thresh) - irradiance map . ; irradiance map ( ).
Distance threshold (Dist thresh) - irradiance map . 0.0 irradiance map , , .
Hemispheric subdivs (HSph. subdivs) - GI . , . (direct computation). , rQMC sampler.
Interpolation samples (Interp. samples) - GI . , , , HSph. Subdivs .
Options
Show samples - . Show calc phase - , V-Ray irradiance map . . , , . - , .
Show direct light - Show calc phase . (direct lighting) (indirect lighting) irradiance map. V-Ray direct lighting, . , direct lighting , , (secondary diffuse bounces, GI).
Detail enhancement
Detail enhancement irradiance map . - , the irradiance map GI flickering . Detail enhancement , QMC sampling . , ambient occlusion , , .
On - detail enhancement irradiance map. Irradiance map . (detail enhancement), irradiance map . , irradiance map , direct sampling.
Scale - Radius:
Screen - .
World - .
Radius - direct sampling. , - , . , . ambient occlusion .
Subdivs mult. - , irradiance map Hemispheric subdivs. 1.0 , , irradiance map. , ..
Advanced options
Interpolation type - . irradiance map.
Weighted average - . GI . , , .
Least squares fit - ; GI irradiance map. , weighted average , . , , , irradiance map .
Delone triangulation - (indirect illumination). . , Delone triangulation . . . hemispheric subdivs, Noise threshold QMC sampler.
Least squares with Voronoi weights - least_squares_fit, irradiance map. .
, , Least_squares_fit Delone triangulation. , Least_squares_fit . . Delone triangulation , hemispheric subdivs high Maxirradiance map ( ), . .
Sample lookup - . irradiance map .
Nearest - ( , Interpolation samples ) V-Ray. , , . , , ( ).
Nearest quad-balanced - nearest lookup, . ( quad-balanced). , Nearest , . , , .
Precalculated overlapping - . irradiance map , . , . , , , . , . , , , . , , ( ) . , .
Density-based - ; Nearest Precalculated overlapping . , , .
:Nearest lookup, , . Nearest quad-balanced . Precalculated overlapping , GI solution.Density-based ., . Delone triangulation , .
Calc. pass interpolation samples - irradiance map. , . 10 25. calculation pass, . . , 15.
Use current pass samples - irradiance map. , V-Ray irradiance map . V-Ray , . V-Ray , . , , irradiance map . , , irradiance map. .
Randomize samples - irradiance map. , . , , . .
Check sample visibility - . V-Ray irradiance map, . . , V-Ray .
Mode
Mode - irradiance map .
Bucket mode - , separate irradiance map ("bucket"). , irradiance map , . Single frame, ("bucket"), ( ). irradiance map (High preset, hemispheric subdivs Noise threshold QMC sampler).
Single frame - ; irradiance map , irradiance map . , irradiance map. . , , .
Multiframe incremental - ( ) ( fly-through ). V-Ray irradiance map ; V-Ray . irradiance map , - irradiance map.
From file - V-Ray irradiance map . irradiance map . fly-through .
Add to current map - V-Ray irradiance map . , irradiance map ( ) .
Incremental add to current map - V-Ray irradiance map . , irradiance map ( ) fly-through .
irradiance map - , , fly-through .
irradiance map
, irradiance map:
Browse - irradiance map From file. , .
Save to file - irradiance map . "Don't delete" "On render end". V-Ray irradiance map .
Reset irradiance map - () irradiance map ..
On render end
, V-Ray irradiance map .
Don't delete - , , V-Ray irradiance map . , V-Ray irradiance map, . , .
Auto save - , V-Ray irradiance map . , irradiance map , .
Switch to saved map - Auto save . Switch to saved map , V-Ray irradiance map From file , ..
Caustic
V-Ray . / ( , / Object settings Lights settings Render parameters > System > Object/Light settings). photon map.
On - .
Multiplier - . , . , .
: .
Search dist - (search area). Search dist.
Max photons - V-Ray Search dist, . Max photons V-Ray Max photons .
Max density - (, ) photon map. V-Ray caustics photon map, , Max density. , V-Ray photon map. , V-Ray photon map. ( , ) .
Mode - irradiance map:
New map - photon map . ( ), .
Save to file - , photon map .
From file - V-Ray photon map, , .
Don't delete - , V-Ray photon map . , . , photon map .
Auto save - , V-Ray caustics photon map .
Switch to saved map - Auto save . V-Ray From file Auto save.
: ( Light settings dialog).