// once normals are supported in the polyMesh schema, polyMesh will look
// different than readSubD
void readPoly(double iFrame, MFnMesh & ioMesh, MObject & iParent,
Alembic::AbcGeom::IPolyMesh & iNode, bool iInitialized)
{
Alembic::AbcGeom::IPolyMeshSchema schema = iNode.getSchema();
Alembic::AbcGeom::MeshTopologyVariance ttype = schema.getTopologyVariance();
int64_t index, ceilIndex;
double alpha = getWeightAndIndex(iFrame,
schema.getTimeSampling(), schema.getNumSamples(), index, ceilIndex);
MFloatPointArray pointArray;
Alembic::Abc::V3fArraySamplePtr ceilPoints;
// we can just read the points
if (ttype != Alembic::AbcGeom::kHeterogenousTopology && iInitialized)
{
Alembic::Abc::V3fArraySamplePtr points = schema.getPositions().getValue(
Alembic::Abc::ISampleSelector(index) );
if (alpha != 0.0)
{
ceilPoints = schema.getPositions().getValue(
Alembic::Abc::ISampleSelector(ceilIndex) );
}
fillPoints(pointArray, points, ceilPoints, alpha);
ioMesh.setPoints(pointArray, MSpace::kObject);
if (schema.getNormals().getNumSamples() > 1)
{
setPolyNormals(iFrame, ioMesh, schema.getNormals());
}
if (schema.getUVs().getNumSamples() > 1)
{
setUVs(iFrame, ioMesh, schema.getUVs());
}
return;
}
// we need to read the topology
Alembic::AbcGeom::IPolyMeshSchema::Sample samp;
schema.get(samp, Alembic::Abc::ISampleSelector(index));
if (alpha != 0.0 && ttype != Alembic::AbcGeom::kHeterogenousTopology)
{
ceilPoints = schema.getPositions().getValue(
Alembic::Abc::ISampleSelector(ceilIndex) );
}
fillPoints(pointArray, samp.getPositions(), ceilPoints, alpha);
fillTopology(ioMesh, iParent, pointArray, samp.getIndices(),
samp.getCounts());
setPolyNormals(iFrame, ioMesh, schema.getNormals());
setUVs(iFrame, ioMesh, schema.getUVs());
}
void readSubD(double iFrame, MFnMesh & ioMesh, MObject & iParent,
SubDAndColors & iNode, bool iInitialized)
{
Alembic::AbcGeom::ISubDSchema schema = iNode.mMesh.getSchema();
Alembic::AbcGeom::MeshTopologyVariance ttype = schema.getTopologyVariance();
Alembic::AbcCoreAbstract::index_t index, ceilIndex;
double alpha = getWeightAndIndex(iFrame,
schema.getTimeSampling(), schema.getNumSamples(), index, ceilIndex);
MFloatPointArray pointArray;
Alembic::Abc::P3fArraySamplePtr ceilPoints;
// we can just read the points
if (ttype != Alembic::AbcGeom::kHeterogenousTopology && iInitialized)
{
Alembic::Abc::P3fArraySamplePtr points = schema.getPositionsProperty(
).getValue(Alembic::Abc::ISampleSelector(index));
if (alpha != 0.0)
{
ceilPoints = schema.getPositionsProperty().getValue(
Alembic::Abc::ISampleSelector(ceilIndex) );
}
fillPoints(pointArray, points, ceilPoints, alpha);
ioMesh.setPoints(pointArray, MSpace::kObject);
if (schema.getUVsParam().getNumSamples() > 1)
{
setUVs(iFrame, ioMesh, schema.getUVsParam());
}
setColors(iFrame, ioMesh, iNode.mC3s, iNode.mC4s, !iInitialized);
return;
}
// we need to read the topology
Alembic::AbcGeom::ISubDSchema::Sample samp;
schema.get(samp, Alembic::Abc::ISampleSelector(index));
if (alpha != 0.0 && ttype != Alembic::AbcGeom::kHeterogenousTopology)
{
ceilPoints = schema.getPositionsProperty().getValue(
Alembic::Abc::ISampleSelector(ceilIndex) );
}
fillPoints(pointArray, samp.getPositions(), ceilPoints, alpha);
fillTopology(ioMesh, iParent, pointArray, samp.getFaceIndices(),
samp.getFaceCounts());
setUVs(iFrame, ioMesh, schema.getUVsParam());
setColors(iFrame, ioMesh, iNode.mC3s, iNode.mC4s, !iInitialized);
}
MObject createSubD(double iFrame, SubDAndColors & iNode,
MObject & iParent)
{
Alembic::AbcGeom::ISubDSchema schema = iNode.mMesh.getSchema();
Alembic::AbcCoreAbstract::index_t index, ceilIndex;
getWeightAndIndex(iFrame, schema.getTimeSampling(),
schema.getNumSamples(), index, ceilIndex);
Alembic::AbcGeom::ISubDSchema::Sample samp;
schema.get(samp, Alembic::Abc::ISampleSelector(index));
MString name(iNode.mMesh.getName().c_str());
MFnMesh fnMesh;
MFloatPointArray pointArray;
Alembic::Abc::P3fArraySamplePtr emptyPtr;
fillPoints(pointArray, samp.getPositions(), emptyPtr, 0.0);
fillTopology(fnMesh, iParent, pointArray, samp.getFaceIndices(),
samp.getFaceCounts());
fnMesh.setName(iNode.mMesh.getName().c_str());
setInitialShadingGroup(fnMesh.partialPathName());
MObject obj = fnMesh.object();
setUVs(iFrame, fnMesh, schema.getUVsParam());
setColors(iFrame, fnMesh, iNode.mC3s, iNode.mC4s, true);
// add the mFn-specific attributes to fnMesh node
MFnNumericAttribute numAttr;
MString attrName("SubDivisionMesh");
MObject attrObj = numAttr.create(attrName, attrName,
MFnNumericData::kBoolean, 1);
numAttr.setKeyable(true);
numAttr.setHidden(false);
fnMesh.addAttribute(attrObj, MFnDependencyNode::kLocalDynamicAttr);
if (samp.getInterpolateBoundary() > 0)
{
attrName = MString("interpolateBoundary");
attrObj = numAttr.create(attrName, attrName, MFnNumericData::kBoolean,
samp.getInterpolateBoundary());
numAttr.setKeyable(true);
numAttr.setHidden(false);
fnMesh.addAttribute(attrObj, MFnDependencyNode::kLocalDynamicAttr);
}
if (samp.getFaceVaryingInterpolateBoundary() > 0)
{
attrName = MString("faceVaryingInterpolateBoundary");
attrObj = numAttr.create(attrName, attrName, MFnNumericData::kBoolean,
samp.getFaceVaryingInterpolateBoundary());
numAttr.setKeyable(true);
numAttr.setHidden(false);
fnMesh.addAttribute(attrObj, MFnDependencyNode::kLocalDynamicAttr);
}
if (samp.getFaceVaryingPropagateCorners() > 0)
{
attrName = MString("faceVaryingPropagateCorners");
attrObj = numAttr.create(attrName, attrName, MFnNumericData::kBoolean,
samp.getFaceVaryingPropagateCorners());
numAttr.setKeyable(true);
numAttr.setHidden(false);
fnMesh.addAttribute(attrObj, MFnDependencyNode::kLocalDynamicAttr);
}
#if MAYA_API_VERSION >= 201100
Alembic::Abc::Int32ArraySamplePtr holes = samp.getHoles();
if (holes && !holes->size() == 0)
{
unsigned int numHoles = (unsigned int)holes->size();
MUintArray holeData(numHoles);
for (unsigned int i = 0; i < numHoles; ++i)
{
holeData[i] = (*holes)[i];
}
if (fnMesh.setInvisibleFaces(holeData) != MS::kSuccess)
{
MString warn = "Failed to set holes on: ";
warn += iNode.mMesh.getName().c_str();
printWarning(warn);
}
}
#endif
Alembic::Abc::FloatArraySamplePtr creases = samp.getCreaseSharpnesses();
if (creases && !creases->size() == 0)
{
Alembic::Abc::Int32ArraySamplePtr indices = samp.getCreaseIndices();
Alembic::Abc::Int32ArraySamplePtr lengths = samp.getCreaseLengths();
std::size_t numLengths = lengths->size();
MUintArray edgeIds;
MDoubleArray creaseData;
std::size_t curIndex = 0;
// curIndex incremented here to move on to the next crease length
for (std::size_t i = 0; i < numLengths; ++i, ++curIndex)
{
std::size_t len = (*lengths)[i] - 1;
float creaseSharpness = (*creases)[i];
// curIndex incremented here to go between all the edges that make
// up a given length
for (std::size_t j = 0; j < len; ++j, ++curIndex)
{
Alembic::Util::int32_t vertA = (*indices)[curIndex];
Alembic::Util::int32_t vertB = (*indices)[curIndex+1];
MItMeshVertex itv(obj);
int prev;
itv.setIndex(vertA, prev);
MIntArray edges;
itv.getConnectedEdges(edges);
std::size_t numEdges = edges.length();
for (unsigned int k = 0; k < numEdges; ++k)
{
int oppVert = -1;
itv.getOppositeVertex(oppVert, edges[k]);
if (oppVert == vertB)
{
creaseData.append(creaseSharpness);
edgeIds.append(edges[k]);
break;
}
}
}
}
if (fnMesh.setCreaseEdges(edgeIds, creaseData) != MS::kSuccess)
{
MString warn = "Failed to set creases on: ";
warn += iNode.mMesh.getName().c_str();
printWarning(warn);
}
}
Alembic::Abc::FloatArraySamplePtr corners = samp.getCornerSharpnesses();
if (corners && !corners->size() == 0)
{
Alembic::Abc::Int32ArraySamplePtr cornerVerts = samp.getCornerIndices();
unsigned int numCorners = static_cast<unsigned int>(corners->size());
MUintArray vertIds(numCorners);
MDoubleArray cornerData(numCorners);
for (unsigned int i = 0; i < numCorners; ++i)
{
cornerData[i] = (*corners)[i];
vertIds[i] = (*cornerVerts)[i];
}
if (fnMesh.setCreaseVertices(vertIds, cornerData) != MS::kSuccess)
{
MString warn = "Failed to set corners on: ";
warn += iNode.mMesh.getName().c_str();
printWarning(warn);
}
}
return obj;
}
MObject createPoly(double iFrame, PolyMeshAndColors & iNode,
MObject & iParent)
{
Alembic::AbcGeom::IPolyMeshSchema schema = iNode.mMesh.getSchema();
MString name(iNode.mMesh.getName().c_str());
MObject obj;
// add other properties
if (!schema.isConstant())
{
MFloatPointArray emptyPt;
MIntArray emptyInt;
MFnMesh fnMesh;
obj = fnMesh.create(0, 0, emptyPt, emptyInt, emptyInt, iParent);
fnMesh.setName(name);
}
else
{
Alembic::AbcCoreAbstract::index_t index, ceilIndex;
double alpha = getWeightAndIndex(iFrame, schema.getTimeSampling(),
schema.getNumSamples(), index, ceilIndex);
Alembic::AbcGeom::IPolyMeshSchema::Sample samp;
schema.get(samp, Alembic::Abc::ISampleSelector(index));
MFloatPointArray ptArray;
Alembic::Abc::P3fArraySamplePtr ceilPoints;
if (index != ceilIndex)
{
Alembic::AbcGeom::IPolyMeshSchema::Sample ceilSamp;
schema.get(ceilSamp, Alembic::Abc::ISampleSelector(ceilIndex));
ceilPoints = ceilSamp.getPositions();
}
fillPoints(ptArray, samp.getPositions(), ceilPoints, alpha);
MFnMesh fnMesh;
fillTopology(fnMesh, iParent, ptArray, samp.getFaceIndices(),
samp.getFaceCounts());
fnMesh.setName(iNode.mMesh.getName().c_str());
setPolyNormals(iFrame, fnMesh, schema.getNormalsParam());
setUVs(iFrame, fnMesh, schema.getUVsParam());
obj = fnMesh.object();
}
MFnMesh fnMesh(obj);
MString pathName = fnMesh.partialPathName();
setInitialShadingGroup(pathName);
setColors(iFrame, fnMesh, iNode.mC3s, iNode.mC4s, true);
if ( !schema.getNormalsParam().valid() )
{
MFnNumericAttribute attr;
MString attrName("noNormals");
MObject attrObj = attr.create(attrName, attrName,
MFnNumericData::kBoolean, true);
attr.setKeyable(true);
attr.setHidden(false);
fnMesh.addAttribute(attrObj, MFnDependencyNode::kLocalDynamicAttr);
}
return obj;
}
MObject createSubD(double iFrame, SubDAndFriends & iNode, MObject & iParent)
{
Alembic::AbcGeom::ISubDSchema schema = iNode.mMesh.getSchema();
Alembic::AbcCoreAbstract::index_t index, ceilIndex;
getWeightAndIndex(iFrame, schema.getTimeSampling(),
schema.getNumSamples(), index, ceilIndex);
Alembic::AbcGeom::ISubDSchema::Sample samp;
schema.get(samp, Alembic::Abc::ISampleSelector(index));
MString name(iNode.mMesh.getName().c_str());
MFnMesh fnMesh;
MFloatPointArray pointArray;
Alembic::Abc::P3fArraySamplePtr emptyPtr;
fillPoints(pointArray, samp.getPositions(), emptyPtr, 0.0);
fillTopology(fnMesh, iParent, pointArray, samp.getFaceIndices(),
samp.getFaceCounts());
fnMesh.setName(iNode.mMesh.getName().c_str());
setInitialShadingGroup(fnMesh.partialPathName());
MObject obj = fnMesh.object();
setColorsAndUVs(iFrame, fnMesh, schema.getUVsParam(),
iNode.mV2s, iNode.mC3s, iNode.mC4s, true);
// add the mFn-specific attributes to fnMesh node
MFnNumericAttribute numAttr;
MString attrName("SubDivisionMesh");
MObject attrObj = numAttr.create(attrName, attrName,
MFnNumericData::kBoolean, 1);
numAttr.setKeyable(true);
numAttr.setHidden(false);
fnMesh.addAttribute(attrObj, MFnDependencyNode::kLocalDynamicAttr);
if (samp.getInterpolateBoundary() > 0)
{
attrName = MString("interpolateBoundary");
attrObj = numAttr.create(attrName, attrName, MFnNumericData::kBoolean,
samp.getInterpolateBoundary());
numAttr.setKeyable(true);
numAttr.setHidden(false);
fnMesh.addAttribute(attrObj, MFnDependencyNode::kLocalDynamicAttr);
}
if (samp.getFaceVaryingInterpolateBoundary() > 0)
{
attrName = MString("faceVaryingInterpolateBoundary");
attrObj = numAttr.create(attrName, attrName, MFnNumericData::kBoolean,
samp.getFaceVaryingInterpolateBoundary());
numAttr.setKeyable(true);
numAttr.setHidden(false);
fnMesh.addAttribute(attrObj, MFnDependencyNode::kLocalDynamicAttr);
}
if (samp.getFaceVaryingPropagateCorners() > 0)
{
attrName = MString("faceVaryingPropagateCorners");
attrObj = numAttr.create(attrName, attrName, MFnNumericData::kBoolean,
samp.getFaceVaryingPropagateCorners());
numAttr.setKeyable(true);
numAttr.setHidden(false);
fnMesh.addAttribute(attrObj, MFnDependencyNode::kLocalDynamicAttr);
}
fillCreasesCornersAndHoles(fnMesh, iNode, samp);
return obj;
}
MObject readNurbs(double iFrame, Alembic::AbcGeom::INuPatch & iNode,
MObject & iObject)
{
MStatus status;
MObject obj;
Alembic::AbcGeom::INuPatchSchema schema = iNode.getSchema();
// no interpolation for now
Alembic::AbcCoreAbstract::index_t index, ceilIndex;
getWeightAndIndex(iFrame, schema.getTimeSampling(),
schema.getNumSamples(), index, ceilIndex);
Alembic::AbcGeom::INuPatchSchema::Sample samp;
schema.get(samp, Alembic::Abc::ISampleSelector(index));
Alembic::Abc::P3fArraySamplePtr pos = samp.getPositions();
Alembic::Abc::FloatArraySamplePtr weights = samp.getPositionWeights();
MString surfaceName(iNode.getName().c_str());
unsigned int degreeU = samp.getUOrder() - 1;
unsigned int degreeV = samp.getVOrder() - 1;
unsigned int numCVInU = samp.getNumU();
unsigned int numCVInV = samp.getNumV();
// cv points
unsigned int numCV = numCVInU*numCVInV;
unsigned int curPos = 0;
MPointArray controlVertices;
controlVertices.setLength(numCV);
for (unsigned int v = 0; v < numCVInV; ++v)
{
for (unsigned int u = 0; u < numCVInU; ++u, ++curPos)
{
unsigned int mayaIndex = u * numCVInV + (numCVInV - v - 1);
MPoint pt((*pos)[curPos].x, (*pos)[curPos].y, (*pos)[curPos].z);
if (weights)
{
pt.w = (*weights)[curPos];
}
// go from u,v order to reversed v, u order
controlVertices.set(pt, mayaIndex);
}
}
// Nurbs form
// Alemblic file does not record the form of nurb surface, we get the form
// by checking the CV data. If the first degree number CV overlap the last
// degree number CV, then the form is kPeriodic. If only the first CV overlaps
// the last CV, then the form is kClosed.
MFnNurbsSurface::Form formU = MFnNurbsSurface::kPeriodic;
MFnNurbsSurface::Form formV = MFnNurbsSurface::kPeriodic;
// Check all curves
bool notOpen = true;
for (unsigned int v = 0; notOpen && v < numCVInV; v++) {
for (unsigned int u = 0; u < degreeU; u++) {
unsigned int firstIndex = u * numCVInV + (numCVInV - v - 1);
unsigned int lastPeriodicIndex = (numCVInU - degreeU + u) * numCVInV + (numCVInV - v - 1);
if (!controlVertices[firstIndex].isEquivalent(controlVertices[lastPeriodicIndex])) {
formU = MFnNurbsSurface::kOpen;
notOpen = false;
break;
}
}
}
if (formU == MFnNurbsSurface::kOpen) {
formU = MFnNurbsSurface::kClosed;
for (unsigned int v = 0; v < numCVInV; v++) {
unsigned int lastUIndex = (numCVInU - 1) * numCVInV + (numCVInV - v - 1);
if (! controlVertices[numCVInV-v-1].isEquivalent(controlVertices[lastUIndex])) {
formU = MFnNurbsSurface::kOpen;
break;
}
}
}
notOpen = true;
for (unsigned int u = 0; notOpen && u < numCVInU; u++) {
for (unsigned int v = 0; v < degreeV; v++) {
unsigned int firstIndex = u * numCVInV + (numCVInV - v - 1);
unsigned int lastPeriodicIndex = u * numCVInV + (degreeV - v - 1); //numV - (numV - vDegree + v) - 1;
if (!controlVertices[firstIndex].isEquivalent(controlVertices[lastPeriodicIndex])) {
formV = MFnNurbsSurface::kOpen;
notOpen = false;
break;
}
}
}
if (formV == MFnNurbsSurface::kOpen) {
formV = MFnNurbsSurface::kClosed;
for (unsigned int u = 0; u < numCVInU; u++) {
if (! controlVertices[u * numCVInV + (numCVInV-1)].isEquivalent(controlVertices[u * numCVInV])) {
formV = MFnNurbsSurface::kOpen;
break;
}
}
}
Alembic::Abc::FloatArraySamplePtr uKnot = samp.getUKnot();
Alembic::Abc::FloatArraySamplePtr vKnot = samp.getVKnot();
unsigned int numKnotsInU = static_cast<unsigned int>(uKnot->size() - 2);
MDoubleArray uKnotSequences;
uKnotSequences.setLength(numKnotsInU);
for (unsigned int i = 0; i < numKnotsInU; ++i)
{
uKnotSequences.set((*uKnot)[i+1], i);
}
unsigned int numKnotsInV = static_cast<unsigned int>(vKnot->size() - 2);
MDoubleArray vKnotSequences;
vKnotSequences.setLength(numKnotsInV);
for (unsigned int i = 0; i < numKnotsInV; i++)
{
vKnotSequences.set((*vKnot)[i+1], i);
}
// Node creation try the API first
MFnNurbsSurface mFn;
obj = mFn.create(controlVertices, uKnotSequences, vKnotSequences,
degreeU, degreeV, formU, formV,
true, iObject, &status);
// something went wrong, try open/open create
if (status != MS::kSuccess && (formU != MFnNurbsSurface::kOpen ||
formV != MFnNurbsSurface::kOpen))
{
obj = mFn.create(controlVertices, uKnotSequences, vKnotSequences,
degreeU, degreeV, MFnNurbsSurface::kOpen, MFnNurbsSurface::kOpen,
true, iObject, &status);
}
if (status == MS::kSuccess)
{
mFn.setName(surfaceName);
}
else
{
MString errorMsg = "Could not create Nurbs Surface: ";
errorMsg += surfaceName;
MGlobal::displayError(errorMsg);
}
trimSurface(samp, mFn);
return obj;
}
MObject createSubD(double iFrame, Alembic::AbcGeom::ISubD & iNode,
MObject & iParent, std::vector<std::string> & oSampledPropNameList)
{
Alembic::AbcGeom::ISubDSchema schema = iNode.getSchema();
int64_t index, ceilIndex;
double alpha = getWeightAndIndex(iFrame, schema.getTimeSampling(),
schema.getNumSamples(), index, ceilIndex);
Alembic::AbcGeom::ISubDSchema::Sample samp;
schema.get(samp, Alembic::Abc::ISampleSelector(index));
MString name(iNode.getName().c_str());
MFnMesh fnMesh;
MFloatPointArray pointArray;
Alembic::Abc::V3fArraySamplePtr emptyPtr;
fillPoints(pointArray, samp.getPositions(), emptyPtr, 0.0);
fillTopology(fnMesh, iParent, pointArray, samp.getFaceIndices(),
samp.getFaceCounts());
fnMesh.setName(iNode.getName().c_str());
setInitialShadingGroup(fnMesh.partialPathName());
MObject obj = fnMesh.object();
//addProperties(iFrame, iNode, obj, oSampledPropNameList);
setUVs(iFrame, fnMesh, schema.getUVs());
// add the mFn-specific attributes to fnMesh node
MFnNumericAttribute numAttr;
MString attrName("SubDivisionMesh");
MObject attrObj = numAttr.create(attrName, attrName,
MFnNumericData::kBoolean, 1);
numAttr.setKeyable(true);
numAttr.setHidden(false);
fnMesh.addAttribute(attrObj, MFnDependencyNode::kLocalDynamicAttr);
if (samp.getInterpolateBoundary() > 0)
{
attrName = MString("interpolateBoundary");
attrObj = numAttr.create(attrName, attrName, MFnNumericData::kBoolean,
samp.getInterpolateBoundary());
numAttr.setKeyable(true);
numAttr.setHidden(false);
fnMesh.addAttribute(attrObj, MFnDependencyNode::kLocalDynamicAttr);
}
if (samp.getFaceVaryingInterpolateBoundary() > 0)
{
attrName = MString("faceVaryingInterpolateBoundary");
attrObj = numAttr.create(attrName, attrName, MFnNumericData::kBoolean,
samp.getFaceVaryingInterpolateBoundary());
numAttr.setKeyable(true);
numAttr.setHidden(false);
fnMesh.addAttribute(attrObj, MFnDependencyNode::kLocalDynamicAttr);
}
if (samp.getFaceVaryingPropagateCorners() > 0)
{
attrName = MString("faceVaryingPropagateCorners");
attrObj = numAttr.create(attrName, attrName, MFnNumericData::kBoolean,
samp.getFaceVaryingPropagateCorners());
numAttr.setKeyable(true);
numAttr.setHidden(false);
fnMesh.addAttribute(attrObj, MFnDependencyNode::kLocalDynamicAttr);
}
if (samp.getHoles() && !samp.getHoles()->size() == 0)
{
printWarning("Hole Poly Indices not yet supported.");
}
if (samp.getCreaseSharpnesses() &&
!samp.getCreaseSharpnesses()->size() == 0)
{
printWarning("Creases not yet supported.");
}
if (samp.getCornerSharpnesses() &&
!samp.getCornerSharpnesses()->size() == 0)
{
printWarning("Corners not yet supported.");
}
return obj;
}
void read(double iFrame, Alembic::AbcGeom::ICamera & iCamera,
std::vector<double> & oArray)
{
oArray.resize(18);
// set some optional scale values
oArray[13] = 1.0;
oArray[16] = 1.0;
oArray[17] = 1.0;
Alembic::AbcGeom::ICameraSchema schema = iCamera.getSchema();
Alembic::AbcCoreAbstract::index_t index, ceilIndex;
double alpha = getWeightAndIndex(iFrame,
schema.getTimeSampling(), schema.getNumSamples(), index, ceilIndex);
if (alpha != 0.0)
{
Alembic::AbcGeom::CameraSample samp, ceilSamp;
schema.get(samp, index);
schema.get(ceilSamp, ceilIndex);
oArray[0] = simpleLerp<double>(alpha, samp.getFocalLength(),
ceilSamp.getFocalLength());
oArray[1] = simpleLerp<double>(alpha, samp.getLensSqueezeRatio(),
ceilSamp.getLensSqueezeRatio());
oArray[2] = simpleLerp<double>(alpha, samp.getHorizontalAperture(),
ceilSamp.getHorizontalAperture()) / 2.54;
oArray[3] = simpleLerp<double>(alpha, samp.getVerticalAperture(),
ceilSamp.getVerticalAperture()) / 2.54;
oArray[4] = simpleLerp<double>(alpha,
samp.getHorizontalFilmOffset(),
ceilSamp.getHorizontalFilmOffset()) / 2.54;
oArray[5] = simpleLerp<double>(alpha,
samp.getVerticalFilmOffset(),
ceilSamp.getVerticalFilmOffset()) / 2.54;
if (samp.getOverScanLeft() == samp.getOverScanRight() &&
samp.getOverScanTop() == samp.getOverScanBottom() &&
samp.getOverScanLeft() == samp.getOverScanTop() &&
ceilSamp.getOverScanLeft() == ceilSamp.getOverScanRight() &&
ceilSamp.getOverScanTop() == ceilSamp.getOverScanBottom() &&
ceilSamp.getOverScanLeft() == ceilSamp.getOverScanTop())
{
oArray[6] = simpleLerp<double>(alpha,
samp.getOverScanLeft() + 1.0,
ceilSamp.getOverScanLeft() + 1.0);
}
else
{
oArray[6] = 1.0;
}
oArray[7] = simpleLerp<double>(alpha, samp.getNearClippingPlane(),
ceilSamp.getNearClippingPlane());
oArray[8] = simpleLerp<double>(alpha, samp.getFarClippingPlane(),
ceilSamp.getFarClippingPlane());
oArray[9] = simpleLerp<double>(alpha, samp.getFStop(),
ceilSamp.getFStop());
oArray[10] = simpleLerp<double>(alpha, samp.getFocusDistance(),
ceilSamp.getFocusDistance());
double shutterClose = simpleLerp<double>(alpha, samp.getShutterClose(),
ceilSamp.getShutterClose());
double shutterOpen = simpleLerp<double>(alpha, samp.getShutterOpen(),
ceilSamp.getShutterOpen());
MTime sec(1.0, MTime::kSeconds);
oArray[11] =
360.0 * (shutterClose - shutterOpen) * sec.as(MTime::uiUnit());
std::size_t numOps = samp.getNumOps();
for (std::size_t i = 0; i < numOps; ++i)
{
Alembic::AbcGeom::FilmBackXformOp & op = samp[i];
Alembic::AbcGeom::FilmBackXformOp & ceilOp = ceilSamp[i];
if (op.getHint() == "filmFitOffs")
{
double val = op.getChannelValue(0) *
samp.getHorizontalAperture();
double ceilVal = ceilOp.getChannelValue(0) *
ceilSamp.getHorizontalAperture();
if (val != 0.0)
{
// chanValue(0) * 0.5 * horiz aper / 2.54
oArray[12] = simpleLerp<double>(alpha, val, ceilVal) / 5.08;
}
else
{
val = op.getChannelValue(1) * samp.getHorizontalAperture();
ceilVal = ceilOp.getChannelValue(1) *
ceilSamp.getHorizontalAperture();
// chanValue(1)* 0.5 * horiz aper / 2.54
oArray[12] = simpleLerp<double>(alpha, val, ceilVal) / 5.08;
}
}
else if (op.getHint() == "preScale")
{
oArray[13] = 1.0 / simpleLerp<double>(alpha,
op.getChannelValue(0), ceilOp.getChannelValue(0));
}
else if (op.getHint() == "filmTranslate")
{
oArray[14] = simpleLerp<double>(alpha,
op.getChannelValue(0), ceilOp.getChannelValue(0));
oArray[15] = simpleLerp<double>(alpha,
op.getChannelValue(1), ceilOp.getChannelValue(1));
}
else if (op.getHint() == "postScale")
{
oArray[16] = 1.0 / simpleLerp<double>(alpha,
op.getChannelValue(0), ceilOp.getChannelValue(0));
}
else if (op.getHint() == "cameraScale")
{
oArray[17] = simpleLerp<double>(alpha,
op.getChannelValue(0), ceilOp.getChannelValue(0));
}
}
}
else
{
Alembic::AbcGeom::CameraSample samp;
schema.get(samp, index);
oArray[0] = samp.getFocalLength();
oArray[1] = samp.getLensSqueezeRatio();
oArray[2] = samp.getHorizontalAperture()/2.54;
oArray[3] = samp.getVerticalAperture()/2.54;
oArray[4] = samp.getHorizontalFilmOffset()/2.54;
oArray[5] = samp.getVerticalFilmOffset()/2.54;
if (samp.getOverScanLeft() == samp.getOverScanRight() &&
samp.getOverScanTop() == samp.getOverScanBottom() &&
samp.getOverScanLeft() == samp.getOverScanTop())
{
oArray[6] = samp.getOverScanLeft() + 1.0;
}
else
{
oArray[6] = 1.0;
}
oArray[7] = samp.getNearClippingPlane();
oArray[8] = samp.getFarClippingPlane();
oArray[9] = samp.getFStop();
oArray[10] = samp.getFocusDistance();
MTime sec(1.0, MTime::kSeconds);
oArray[11] = 360.0 * (samp.getShutterClose()-samp.getShutterOpen()) *
sec.as(MTime::uiUnit());
// prescale, film translate H, V, roll pivot H,V, film roll value
// post scale might be in the 3x3
std::size_t numOps = samp.getNumOps();
for (std::size_t i = 0; i < numOps; ++i)
{
Alembic::AbcGeom::FilmBackXformOp & op = samp[i];
if (op.getHint() == "filmFitOffs")
{
if (op.getChannelValue(0) != 0.0)
{
oArray[12] = op.getChannelValue(0) *
samp.getHorizontalAperture() / 5.08;
}
else
{
oArray[12] = op.getChannelValue(1) *
samp.getHorizontalAperture() / 5.08;
}
}
else if (op.getHint() == "preScale")
{
oArray[13] = 1.0 / op.getChannelValue(0);
}
else if (op.getHint() == "filmTranslate")
{
oArray[14] = op.getChannelValue(0);
oArray[15] = op.getChannelValue(1);
}
else if (op.getHint() == "postScale")
{
oArray[16] = 1.0 / op.getChannelValue(0);
}
else if (op.getHint() == "cameraScale")
{
oArray[17] = op.getChannelValue(0);
}
}
}
}
