| Ptex
    | 
#include <PtexTriangleFilter.h>
 
  
| Public Member Functions | |
| PtexTriangleFilter (PtexTexture *tx, const PtexFilter::Options &opts) | |
| virtual void | release () | 
| Release resources held by this pointer (pointer becomes invalid).  More... | |
| virtual void | eval (float *result, int firstchan, int nchannels, int faceid, float u, float v, float uw1, float vw1, float uw2, float vw2, float width, float blur) | 
| Apply filter to a ptex data file.  More... | |
| Protected Member Functions | |
| void | buildKernel (PtexTriangleKernel &k, float u, float v, float uw1, float vw1, float uw2, float vw2, float width, float blur, Res faceRes) | 
| void | splitAndApply (PtexTriangleKernel &k, int faceid, const Ptex::FaceInfo &f) | 
| void | applyAcrossEdge (PtexTriangleKernel &k, const Ptex::FaceInfo &f, int eid) | 
| void | apply (PtexTriangleKernel &k, int faceid, const Ptex::FaceInfo &f) | 
| void | applyIter (PtexTriangleKernelIter &k, PtexFaceData *dh) | 
| virtual | ~PtexTriangleFilter () | 
|  Protected Member Functions inherited from PtexFilter | |
| virtual | ~PtexFilter () | 
| Destructor not for public use. Use release() instead.  More... | |
| Protected Attributes | |
| PtexTexture * | _tx | 
| Options | _options | 
| float * | _result | 
| float | _weight | 
| int | _firstChanOffset | 
| int | _nchan | 
| int | _ntxchan | 
| DataType | _dt | 
| Additional Inherited Members | |
|  Public Types inherited from PtexFilter | |
| enum | FilterType { f_point, f_bilinear, f_box, f_gaussian, f_bicubic, f_bspline, f_catmullrom, f_mitchell } | 
| Filter types.  More... | |
|  Static Public Member Functions inherited from PtexFilter | |
| static PtexFilter * | getFilter (PtexTexture *tx, const Options &opts) | 
Definition at line 46 of file PtexTriangleFilter.h.
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 | inline | 
Definition at line 49 of file PtexTriangleFilter.h.
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 | inlineprotectedvirtual | 
Definition at line 69 of file PtexTriangleFilter.h.
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 | protected | 
Definition at line 200 of file PtexTriangleFilter.cpp.
References _tx, applyIter(), PtexTriangleKernel::clampExtent(), PtexTriangleKernel::clampRes(), PtexTexture::getData(), PtexTriangleKernel::getIterators(), PtexTriangleKernel::res, Ptex::FaceInfo::res, and PtexTriangleKernelIter::valid.
Referenced by splitAndApply().
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 | protected | 
Definition at line 190 of file PtexTriangleFilter.cpp.
References _tx, Ptex::FaceInfo::adjedge(), Ptex::FaceInfo::adjface(), PtexTexture::getFaceInfo(), PtexTriangleKernel::reorient(), and splitAndApply().
Referenced by splitAndApply().
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 | protected | 
Definition at line 220 of file PtexTriangleFilter.cpp.
References _dt, _firstChanOffset, _nchan, _ntxchan, _result, _weight, PtexTriangleKernelIter::apply(), PtexTriangleKernelIter::applyConst(), PtexFaceData::getData(), PtexFaceData::getTile(), PtexFaceData::isConstant(), PtexFaceData::isTiled(), PtexUtils::max(), PtexUtils::min(), PtexTriangleKernelIter::rowlen, PtexFaceData::tileRes(), PtexTriangleKernelIter::u, Ptex::Res::u(), PtexTriangleKernelIter::u1, PtexTriangleKernelIter::u2, PtexTriangleKernelIter::v, Ptex::Res::v(), PtexTriangleKernelIter::v1, PtexTriangleKernelIter::v2, PtexTriangleKernelIter::w1, PtexTriangleKernelIter::w2, and PtexTriangleKernelIter::weight.
Referenced by apply().
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 | protected | 
Definition at line 105 of file PtexTriangleFilter.cpp.
References C, PtexUtils::calcResFromWidth(), PtexUtils::max(), PtexUtils::min(), PtexTriangleKernelWidth, and PtexTriangleKernel::set().
Referenced by eval().
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 | virtual | 
Apply filter to a ptex data file.
The filter region is a parallelogram centered at the given (u,v) coordinate with sides defined by two vectors [uw1, vw1] and [uw2, vw2]. For an axis-aligned rectangle, the vectors are [uw, 0] and [0, vw]. See Filter Footprint for details.
| result | Buffer to hold filter result. Must be large enough to hold nchannels worth of data. | 
| firstchan | First channel to evaluate [0..tx->numChannels()-1] | 
| nchannels | Number of channels to evaluate | 
| faceid | Face index [0..tx->numFaces()-1] | 
| u | U coordinate, normalized [0..1] | 
| v | V coordinate, normalized [0..1] | 
| uw1 | U filter width 1, normalized [0..1] | 
| vw1 | V filter width 1, normalized [0..1] | 
| uw2 | U filter width 2, normalized [0..1] | 
| vw2 | V filter width 2, normalized [0..1] | 
| width | scale factor for filter width | 
| blur | amount to add to filter width [0..1] | 
Implements PtexFilter.
Definition at line 50 of file PtexTriangleFilter.cpp.
References _dt, _firstChanOffset, _nchan, _ntxchan, _result, _tx, _weight, buildKernel(), PtexUtils::clamp(), Ptex::ConvertToFloat(), Ptex::DataSize(), PtexTexture::dataType(), PtexFaceData::getData(), PtexTexture::getData(), PtexTexture::getFaceInfo(), PtexUtils::min(), PtexTexture::numChannels(), PtexTexture::numFaces(), Ptex::OneValue(), PtexTriangleKernel::res, and splitAndApply().
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 | inlinevirtual | 
Release resources held by this pointer (pointer becomes invalid).
Implements PtexFilter.
Definition at line 53 of file PtexTriangleFilter.h.
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 | protected | 
Definition at line 167 of file PtexTriangleFilter.cpp.
References Ptex::FaceInfo::adjface(), apply(), applyAcrossEdge(), PtexTriangleKernel::splitU(), PtexTriangleKernel::splitV(), PtexTriangleKernel::splitW(), PtexTriangleKernel::u1, PtexTriangleKernel::v1, and PtexTriangleKernel::w1.
Referenced by applyAcrossEdge(), and eval().
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 | protected | 
Definition at line 78 of file PtexTriangleFilter.h.
Referenced by applyIter(), and eval().
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 | protected | 
Definition at line 75 of file PtexTriangleFilter.h.
Referenced by applyIter(), and eval().
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 | protected | 
Definition at line 76 of file PtexTriangleFilter.h.
Referenced by applyIter(), and eval().
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 | protected | 
Definition at line 77 of file PtexTriangleFilter.h.
Referenced by applyIter(), and eval().
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 | protected | 
Definition at line 72 of file PtexTriangleFilter.h.
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 | protected | 
Definition at line 73 of file PtexTriangleFilter.h.
Referenced by applyIter(), and eval().
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 | protected | 
Definition at line 71 of file PtexTriangleFilter.h.
Referenced by apply(), applyAcrossEdge(), and eval().
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 | protected | 
Definition at line 74 of file PtexTriangleFilter.h.
Referenced by applyIter(), and eval().
 1.8.17
 1.8.17