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pxrRodLightFilter.h
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2 // Copyright 2016 Pixar
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5 // with the following modification; you may not use this file except in
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24 #ifndef USDRI_GENERATED_PXRRODLIGHTFILTER_H
25 #define USDRI_GENERATED_PXRRODLIGHTFILTER_H
26 
28 
29 #include "pxr/pxr.h"
30 #include "pxr/usd/usdRi/api.h"
32 #include "pxr/usd/usd/prim.h"
33 #include "pxr/usd/usd/stage.h"
34 #include "pxr/usd/usdRi/tokens.h"
35 
37 
38 
39 #include "pxr/base/vt/value.h"
40 
41 #include "pxr/base/gf/vec3d.h"
42 #include "pxr/base/gf/vec3f.h"
43 #include "pxr/base/gf/matrix4d.h"
44 
45 #include "pxr/base/tf/token.h"
46 #include "pxr/base/tf/type.h"
47 
48 PXR_NAMESPACE_OPEN_SCOPE
49 
50 class SdfAssetPath;
51 
52 // -------------------------------------------------------------------------- //
53 // PXRRODLIGHTFILTER //
54 // -------------------------------------------------------------------------- //
55 
69 {
70 public:
75 
80  explicit UsdRiPxrRodLightFilter(const UsdPrim& prim=UsdPrim())
81  : UsdLuxLightFilter(prim)
82  {
83  }
84 
88  explicit UsdRiPxrRodLightFilter(const UsdSchemaBase& schemaObj)
89  : UsdLuxLightFilter(schemaObj)
90  {
91  }
92 
94  USDRI_API
95  virtual ~UsdRiPxrRodLightFilter();
96 
100  USDRI_API
101  static const TfTokenVector &
102  GetSchemaAttributeNames(bool includeInherited=true);
103 
113  USDRI_API
115  Get(const UsdStagePtr &stage, const SdfPath &path);
116 
139  USDRI_API
141  Define(const UsdStagePtr &stage, const SdfPath &path);
142 
143 protected:
147  USDRI_API
148  UsdSchemaKind _GetSchemaKind() const override;
149 
150 private:
151  // needs to invoke _GetStaticTfType.
152  friend class UsdSchemaRegistry;
153  USDRI_API
154  static const TfType &_GetStaticTfType();
155 
156  static bool _IsTypedSchema();
157 
158  // override SchemaBase virtuals.
159  USDRI_API
160  const TfType &_GetTfType() const override;
161 
162 public:
163  // --------------------------------------------------------------------- //
164  // WIDTH
165  // --------------------------------------------------------------------- //
173  USDRI_API
174  UsdAttribute GetWidthAttr() const;
175 
181  USDRI_API
182  UsdAttribute CreateWidthAttr(VtValue const &defaultValue = VtValue(), bool writeSparsely=false) const;
183 
184 public:
185  // --------------------------------------------------------------------- //
186  // HEIGHT
187  // --------------------------------------------------------------------- //
195  USDRI_API
196  UsdAttribute GetHeightAttr() const;
197 
203  USDRI_API
204  UsdAttribute CreateHeightAttr(VtValue const &defaultValue = VtValue(), bool writeSparsely=false) const;
205 
206 public:
207  // --------------------------------------------------------------------- //
208  // DEPTH
209  // --------------------------------------------------------------------- //
217  USDRI_API
218  UsdAttribute GetDepthAttr() const;
219 
225  USDRI_API
226  UsdAttribute CreateDepthAttr(VtValue const &defaultValue = VtValue(), bool writeSparsely=false) const;
227 
228 public:
229  // --------------------------------------------------------------------- //
230  // RADIUS
231  // --------------------------------------------------------------------- //
239  USDRI_API
240  UsdAttribute GetRadiusAttr() const;
241 
247  USDRI_API
248  UsdAttribute CreateRadiusAttr(VtValue const &defaultValue = VtValue(), bool writeSparsely=false) const;
249 
250 public:
251  // --------------------------------------------------------------------- //
252  // EDGETHICKNESS
253  // --------------------------------------------------------------------- //
262  USDRI_API
264 
270  USDRI_API
271  UsdAttribute CreateEdgeThicknessAttr(VtValue const &defaultValue = VtValue(), bool writeSparsely=false) const;
272 
273 public:
274  // --------------------------------------------------------------------- //
275  // SCALEWIDTH
276  // --------------------------------------------------------------------- //
284  USDRI_API
286 
292  USDRI_API
293  UsdAttribute CreateScaleWidthAttr(VtValue const &defaultValue = VtValue(), bool writeSparsely=false) const;
294 
295 public:
296  // --------------------------------------------------------------------- //
297  // SCALEHEIGHT
298  // --------------------------------------------------------------------- //
306  USDRI_API
308 
314  USDRI_API
315  UsdAttribute CreateScaleHeightAttr(VtValue const &defaultValue = VtValue(), bool writeSparsely=false) const;
316 
317 public:
318  // --------------------------------------------------------------------- //
319  // SCALEDEPTH
320  // --------------------------------------------------------------------- //
328  USDRI_API
330 
336  USDRI_API
337  UsdAttribute CreateScaleDepthAttr(VtValue const &defaultValue = VtValue(), bool writeSparsely=false) const;
338 
339 public:
340  // --------------------------------------------------------------------- //
341  // REFINETOP
342  // --------------------------------------------------------------------- //
350  USDRI_API
352 
358  USDRI_API
359  UsdAttribute CreateRefineTopAttr(VtValue const &defaultValue = VtValue(), bool writeSparsely=false) const;
360 
361 public:
362  // --------------------------------------------------------------------- //
363  // REFINEBOTTOM
364  // --------------------------------------------------------------------- //
372  USDRI_API
374 
380  USDRI_API
381  UsdAttribute CreateRefineBottomAttr(VtValue const &defaultValue = VtValue(), bool writeSparsely=false) const;
382 
383 public:
384  // --------------------------------------------------------------------- //
385  // REFINELEFT
386  // --------------------------------------------------------------------- //
394  USDRI_API
396 
402  USDRI_API
403  UsdAttribute CreateRefineLeftAttr(VtValue const &defaultValue = VtValue(), bool writeSparsely=false) const;
404 
405 public:
406  // --------------------------------------------------------------------- //
407  // REFINERIGHT
408  // --------------------------------------------------------------------- //
416  USDRI_API
418 
424  USDRI_API
425  UsdAttribute CreateRefineRightAttr(VtValue const &defaultValue = VtValue(), bool writeSparsely=false) const;
426 
427 public:
428  // --------------------------------------------------------------------- //
429  // REFINEFRONT
430  // --------------------------------------------------------------------- //
438  USDRI_API
440 
446  USDRI_API
447  UsdAttribute CreateRefineFrontAttr(VtValue const &defaultValue = VtValue(), bool writeSparsely=false) const;
448 
449 public:
450  // --------------------------------------------------------------------- //
451  // REFINEBACK
452  // --------------------------------------------------------------------- //
460  USDRI_API
462 
468  USDRI_API
469  UsdAttribute CreateRefineBackAttr(VtValue const &defaultValue = VtValue(), bool writeSparsely=false) const;
470 
471 public:
472  // --------------------------------------------------------------------- //
473  // EDGESCALETOP
474  // --------------------------------------------------------------------- //
482  USDRI_API
484 
490  USDRI_API
491  UsdAttribute CreateEdgeScaleTopAttr(VtValue const &defaultValue = VtValue(), bool writeSparsely=false) const;
492 
493 public:
494  // --------------------------------------------------------------------- //
495  // EDGESCALEBOTTOM
496  // --------------------------------------------------------------------- //
504  USDRI_API
506 
512  USDRI_API
513  UsdAttribute CreateEdgeScaleBottomAttr(VtValue const &defaultValue = VtValue(), bool writeSparsely=false) const;
514 
515 public:
516  // --------------------------------------------------------------------- //
517  // EDGESCALELEFT
518  // --------------------------------------------------------------------- //
526  USDRI_API
528 
534  USDRI_API
535  UsdAttribute CreateEdgeScaleLeftAttr(VtValue const &defaultValue = VtValue(), bool writeSparsely=false) const;
536 
537 public:
538  // --------------------------------------------------------------------- //
539  // EDGESCALERIGHT
540  // --------------------------------------------------------------------- //
548  USDRI_API
550 
556  USDRI_API
557  UsdAttribute CreateEdgeScaleRightAttr(VtValue const &defaultValue = VtValue(), bool writeSparsely=false) const;
558 
559 public:
560  // --------------------------------------------------------------------- //
561  // EDGESCALEFRONT
562  // --------------------------------------------------------------------- //
570  USDRI_API
572 
578  USDRI_API
579  UsdAttribute CreateEdgeScaleFrontAttr(VtValue const &defaultValue = VtValue(), bool writeSparsely=false) const;
580 
581 public:
582  // --------------------------------------------------------------------- //
583  // EDGESCALEBACK
584  // --------------------------------------------------------------------- //
592  USDRI_API
594 
600  USDRI_API
601  UsdAttribute CreateEdgeScaleBackAttr(VtValue const &defaultValue = VtValue(), bool writeSparsely=false) const;
602 
603 public:
604  // --------------------------------------------------------------------- //
605  // COLORSATURATION
606  // --------------------------------------------------------------------- //
615  USDRI_API
617 
623  USDRI_API
624  UsdAttribute CreateColorSaturationAttr(VtValue const &defaultValue = VtValue(), bool writeSparsely=false) const;
625 
626 public:
627  // --------------------------------------------------------------------- //
628  // FALLOFF
629  // --------------------------------------------------------------------- //
637  USDRI_API
639 
645  USDRI_API
646  UsdAttribute CreateFalloffAttr(VtValue const &defaultValue = VtValue(), bool writeSparsely=false) const;
647 
648 public:
649  // --------------------------------------------------------------------- //
650  // FALLOFFKNOTS
651  // --------------------------------------------------------------------- //
659  USDRI_API
661 
667  USDRI_API
668  UsdAttribute CreateFalloffKnotsAttr(VtValue const &defaultValue = VtValue(), bool writeSparsely=false) const;
669 
670 public:
671  // --------------------------------------------------------------------- //
672  // FALLOFFFLOATS
673  // --------------------------------------------------------------------- //
681  USDRI_API
683 
689  USDRI_API
690  UsdAttribute CreateFalloffFloatsAttr(VtValue const &defaultValue = VtValue(), bool writeSparsely=false) const;
691 
692 public:
693  // --------------------------------------------------------------------- //
694  // FALLOFFINTERPOLATION
695  // --------------------------------------------------------------------- //
704  USDRI_API
706 
712  USDRI_API
713  UsdAttribute CreateFalloffInterpolationAttr(VtValue const &defaultValue = VtValue(), bool writeSparsely=false) const;
714 
715 public:
716  // --------------------------------------------------------------------- //
717  // COLORRAMP
718  // --------------------------------------------------------------------- //
726  USDRI_API
728 
734  USDRI_API
735  UsdAttribute CreateColorRampAttr(VtValue const &defaultValue = VtValue(), bool writeSparsely=false) const;
736 
737 public:
738  // --------------------------------------------------------------------- //
739  // COLORRAMPKNOTS
740  // --------------------------------------------------------------------- //
748  USDRI_API
750 
756  USDRI_API
757  UsdAttribute CreateColorRampKnotsAttr(VtValue const &defaultValue = VtValue(), bool writeSparsely=false) const;
758 
759 public:
760  // --------------------------------------------------------------------- //
761  // COLORRAMPCOLORS
762  // --------------------------------------------------------------------- //
770  USDRI_API
772 
778  USDRI_API
779  UsdAttribute CreateColorRampColorsAttr(VtValue const &defaultValue = VtValue(), bool writeSparsely=false) const;
780 
781 public:
782  // --------------------------------------------------------------------- //
783  // COLORRAMPINTERPOLATION
784  // --------------------------------------------------------------------- //
793  USDRI_API
795 
801  USDRI_API
802  UsdAttribute CreateColorRampInterpolationAttr(VtValue const &defaultValue = VtValue(), bool writeSparsely=false) const;
803 
804 public:
805  // ===================================================================== //
806  // Feel free to add custom code below this line, it will be preserved by
807  // the code generator.
808  //
809  // Just remember to:
810  // - Close the class declaration with };
811  // - Close the namespace with PXR_NAMESPACE_CLOSE_SCOPE
812  // - Close the include guard with #endif
813  // ===================================================================== //
814  // --(BEGIN CUSTOM CODE)--
815 
818  USDRI_API
820 
824  USDRI_API
826 };
827 
828 PXR_NAMESPACE_CLOSE_SCOPE
829 
830 #endif
USDRI_API UsdAttribute CreateEdgeScaleRightAttr(VtValue const &defaultValue=VtValue(), bool writeSparsely=false) const
See GetEdgeScaleRightAttr(), and also Create vs Get Property Methods for when to use Get vs Create...
USDRI_API UsdAttribute GetColorRampAttr() const
Controls the color gradient for the transition.
USDRI_API UsdAttribute GetScaleHeightAttr() const
Scale the height of the inner rod shape.
USDRI_API UsdAttribute CreateFalloffFloatsAttr(VtValue const &defaultValue=VtValue(), bool writeSparsely=false) const
See GetFalloffFloatsAttr(), and also Create vs Get Property Methods for when to use Get vs Create...
USDRI_API UsdAttribute CreateScaleDepthAttr(VtValue const &defaultValue=VtValue(), bool writeSparsely=false) const
See GetScaleDepthAttr(), and also Create vs Get Property Methods for when to use Get vs Create...
USDRI_API UsdAttribute CreateRefineTopAttr(VtValue const &defaultValue=VtValue(), bool writeSparsely=false) const
See GetRefineTopAttr(), and also Create vs Get Property Methods for when to use Get vs Create...
USDRI_API UsdAttribute CreateEdgeScaleBottomAttr(VtValue const &defaultValue=VtValue(), bool writeSparsely=false) const
See GetEdgeScaleBottomAttr(), and also Create vs Get Property Methods for when to use Get vs Create...
static USDRI_API UsdRiPxrRodLightFilter Get(const UsdStagePtr &stage, const SdfPath &path)
Return a UsdRiPxrRodLightFilter holding the prim adhering to this schema at path on stage...
USDRI_API UsdAttribute GetColorRampInterpolationAttr() const
ColorRamp spline type.
USDRI_API UsdAttribute GetFalloffInterpolationAttr() const
Falloff spline type.
USDRI_API UsdAttribute GetEdgeThicknessAttr() const
Thickness of the edge region.
USDRI_API UsdAttribute CreateFalloffInterpolationAttr(VtValue const &defaultValue=VtValue(), bool writeSparsely=false) const
See GetFalloffInterpolationAttr(), and also Create vs Get Property Methods for when to use Get vs Cre...
USDRI_API UsdAttribute CreateColorSaturationAttr(VtValue const &defaultValue=VtValue(), bool writeSparsely=false) const
See GetColorSaturationAttr(), and also Create vs Get Property Methods for when to use Get vs Create...
USDRI_API UsdAttribute CreateWidthAttr(VtValue const &defaultValue=VtValue(), bool writeSparsely=false) const
See GetWidthAttr(), and also Create vs Get Property Methods for when to use Get vs Create...
USDRI_API UsdAttribute CreateColorRampColorsAttr(VtValue const &defaultValue=VtValue(), bool writeSparsely=false) const
See GetColorRampColorsAttr(), and also Create vs Get Property Methods for when to use Get vs Create...
USDRI_API UsdAttribute GetEdgeScaleBackAttr() const
Additional edge scale adjustment to the back region.
USDRI_API UsdAttribute GetColorRampKnotsAttr() const
Knots of the colorRamp spline.
USDRI_API UsdAttribute CreateEdgeScaleLeftAttr(VtValue const &defaultValue=VtValue(), bool writeSparsely=false) const
See GetEdgeScaleLeftAttr(), and also Create vs Get Property Methods for when to use Get vs Create...
USDRI_API UsdAttribute GetColorRampColorsAttr() const
Color values of the colorRamp spline.
Scenegraph object for authoring and retrieving numeric, string, and array valued data, sampled over time.
Definition: attribute.h:176
USDRI_API UsdAttribute CreateColorRampInterpolationAttr(VtValue const &defaultValue=VtValue(), bool writeSparsely=false) const
See GetColorRampInterpolationAttr(), and also Create vs Get Property Methods for when to use Get vs C...
static USDRI_API const TfTokenVector & GetSchemaAttributeNames(bool includeInherited=true)
Return a vector of names of all pre-declared attributes for this schema class and all its ancestor cl...
USDRI_API UsdAttribute GetRadiusAttr() const
Radius of the corners of the inner rod box.
USDRI_API UsdAttribute GetScaleDepthAttr() const
Scale the depth of the inner rod shape.
USDRI_API UsdAttribute CreateEdgeScaleBackAttr(VtValue const &defaultValue=VtValue(), bool writeSparsely=false) const
See GetEdgeScaleBackAttr(), and also Create vs Get Property Methods for when to use Get vs Create...
USDRI_API UsdAttribute GetWidthAttr() const
Width of the inner region of the rod (X axis).
UsdSchemaKind
An enum representing which kind of schema a given schema class belongs to.
Definition: common.h:127
USDRI_API UsdAttribute GetRefineBackAttr() const
Additional offset adjustment to the back region.
UsdRiPxrRodLightFilter(const UsdPrim &prim=UsdPrim())
Construct a UsdRiPxrRodLightFilter on UsdPrim prim .
USDRI_API UsdAttribute CreateEdgeScaleTopAttr(VtValue const &defaultValue=VtValue(), bool writeSparsely=false) const
See GetEdgeScaleTopAttr(), and also Create vs Get Property Methods for when to use Get vs Create...
static const UsdSchemaKind schemaKind
Compile time constant representing what kind of schema this class is.
USDRI_API UsdAttribute GetFalloffAttr() const
Controls the transition from the core to the edge.
USDRI_API UsdAttribute GetEdgeScaleFrontAttr() const
Additional edge scale adjustment to the front region.
USDRI_API UsdAttribute GetScaleWidthAttr() const
Scale the width of the inner rod shape.
Represents a concrete typed schema.
USDRI_API UsdAttribute GetEdgeScaleBottomAttr() const
Additional edge scale adjustment to the top region.
USDRI_API UsdAttribute GetRefineRightAttr() const
Additional offset adjustment to the left region.
UsdPrim is the sole persistent scenegraph object on a UsdStage, and is the embodiment of a "Prim" as ...
Definition: prim.h:132
USDRI_API UsdAttribute CreateFalloffKnotsAttr(VtValue const &defaultValue=VtValue(), bool writeSparsely=false) const
See GetFalloffKnotsAttr(), and also Create vs Get Property Methods for when to use Get vs Create...
USDRI_API UsdAttribute CreateColorRampAttr(VtValue const &defaultValue=VtValue(), bool writeSparsely=false) const
See GetColorRampAttr(), and also Create vs Get Property Methods for when to use Get vs Create...
USDRI_API UsdAttribute GetHeightAttr() const
Height of the inner region of the rod (Y axis).
std::vector< TfToken > TfTokenVector
Convenience types.
Definition: token.h:442
USDRI_API UsdAttribute CreateScaleWidthAttr(VtValue const &defaultValue=VtValue(), bool writeSparsely=false) const
See GetScaleWidthAttr(), and also Create vs Get Property Methods for when to use Get vs Create...
USDRI_API UsdAttribute CreateEdgeThicknessAttr(VtValue const &defaultValue=VtValue(), bool writeSparsely=false) const
See GetEdgeThicknessAttr(), and also Create vs Get Property Methods for when to use Get vs Create...
A path value used to locate objects in layers or scenegraphs.
Definition: path.h:288
USDRI_API UsdAttribute CreateRefineBackAttr(VtValue const &defaultValue=VtValue(), bool writeSparsely=false) const
See GetRefineBackAttr(), and also Create vs Get Property Methods for when to use Get vs Create...
USDRI_API UsdAttribute GetEdgeScaleTopAttr() const
Additional edge scale adjustment to the top region.
USDRI_API UsdAttribute CreateRefineRightAttr(VtValue const &defaultValue=VtValue(), bool writeSparsely=false) const
See GetRefineRightAttr(), and also Create vs Get Property Methods for when to use Get vs Create...
USDRI_API UsdAttribute CreateRefineBottomAttr(VtValue const &defaultValue=VtValue(), bool writeSparsely=false) const
See GetRefineBottomAttr(), and also Create vs Get Property Methods for when to use Get vs Create...
virtual USDRI_API ~UsdRiPxrRodLightFilter()
Destructor.
USDRI_API UsdAttribute CreateEdgeScaleFrontAttr(VtValue const &defaultValue=VtValue(), bool writeSparsely=false) const
See GetEdgeScaleFrontAttr(), and also Create vs Get Property Methods for when to use Get vs Create...
USDRI_API UsdAttribute CreateHeightAttr(VtValue const &defaultValue=VtValue(), bool writeSparsely=false) const
See GetHeightAttr(), and also Create vs Get Property Methods for when to use Get vs Create...
USDRI_API UsdAttribute GetFalloffFloatsAttr() const
Float values of the falloff spline.
Contains an asset path and an optional resolved path.
Definition: assetPath.h:47
USDRI_API UsdAttribute CreateScaleHeightAttr(VtValue const &defaultValue=VtValue(), bool writeSparsely=false) const
See GetScaleHeightAttr(), and also Create vs Get Property Methods for when to use Get vs Create...
USDRI_API UsdAttribute GetEdgeScaleLeftAttr() const
Additional edge scale adjustment to the left region.
USDRI_API UsdAttribute CreateFalloffAttr(VtValue const &defaultValue=VtValue(), bool writeSparsely=false) const
See GetFalloffAttr(), and also Create vs Get Property Methods for when to use Get vs Create...
USDRI_API UsdAttribute GetRefineFrontAttr() const
Additional offset adjustment to the front region.
USDRI_API UsdAttribute GetDepthAttr() const
Depth of the inner region of the rod (Z axis).
static USDRI_API UsdRiPxrRodLightFilter Define(const UsdStagePtr &stage, const SdfPath &path)
Attempt to ensure a UsdPrim adhering to this schema at path is defined (according to UsdPrim::IsDefin...
USDRI_API UsdAttribute CreateRefineLeftAttr(VtValue const &defaultValue=VtValue(), bool writeSparsely=false) const
See GetRefineLeftAttr(), and also Create vs Get Property Methods for when to use Get vs Create...
USDRI_API UsdAttribute CreateRadiusAttr(VtValue const &defaultValue=VtValue(), bool writeSparsely=false) const
See GetRadiusAttr(), and also Create vs Get Property Methods for when to use Get vs Create...
TfType represents a dynamic runtime type.
Definition: type.h:64
USDRI_API UsdAttribute CreateDepthAttr(VtValue const &defaultValue=VtValue(), bool writeSparsely=false) const
See GetDepthAttr(), and also Create vs Get Property Methods for when to use Get vs Create...
Singleton registry that provides access to schema type information and the prim definitions for regis...
UsdRiPxrRodLightFilter(const UsdSchemaBase &schemaObj)
Construct a UsdRiPxrRodLightFilter on the prim held by schemaObj .
USDRI_API UsdAttribute CreateRefineFrontAttr(VtValue const &defaultValue=VtValue(), bool writeSparsely=false) const
See GetRefineFrontAttr(), and also Create vs Get Property Methods for when to use Get vs Create...
USDRI_API UsdAttribute GetEdgeScaleRightAttr() const
Additional edge scale adjustment to the left region.
The base class for all schema types in Usd.
Definition: schemaBase.h:56
USDRI_API UsdAttribute GetFalloffKnotsAttr() const
Knots of the falloff spline.
USDRI_API UsdAttribute GetColorSaturationAttr() const
Saturation of the result (0=greyscale, 1=normal, &gt;1=boosted colors).
USDRI_API UsdAttribute GetRefineTopAttr() const
Additional offset adjustment to the top region.
USDRI_API UsdAttribute GetRefineBottomAttr() const
Additional offset adjustment to the top region.
Provides a container which may hold any type, and provides introspection and iteration over array typ...
Definition: value.h:168
USDRI_API UsdAttribute CreateColorRampKnotsAttr(VtValue const &defaultValue=VtValue(), bool writeSparsely=false) const
See GetColorRampKnotsAttr(), and also Create vs Get Property Methods for when to use Get vs Create...
USDRI_API UsdRiSplineAPI GetFalloffRampAPI() const
Return the UsdRiSplineAPI interface used for examining and modifying the falloff ramp.
TfToken class for efficient string referencing and hashing, plus conversions to and from stl string c...
A light filter modifies the effect of a light.
Definition: lightFilter.h:73
USDRI_API UsdRiSplineAPI GetColorRampAPI() const
Return the UsdRiSplineAPI interface used for examining and modifying the color ramp.
USDRI_API UsdSchemaKind _GetSchemaKind() const override
Returns the kind of schema this class belongs to.
USDRI_API UsdAttribute GetRefineLeftAttr() const
Additional offset adjustment to the left region.