void Unpremultiply::affects( const Gaffer::Plug *input, AffectedPlugsContainer &outputs ) const
{
ChannelDataProcessor::affects( input, outputs );
if( input == inPlug()->channelDataPlug() ||
input == alphaChannelPlug() )
{
outputs.push_back( outPlug()->channelDataPlug() );
}
}
Imath::Box2i Merge::computeDataWindow( const Gaffer::Context *context, const ImagePlug *parent ) const
{
Imath::Box2i dataWindow = inPlug()->dataWindowPlug()->getValue();
const ImagePlugList &inputs( m_inputs.inputs() );
const ImagePlugList::const_iterator end( m_inputs.endIterator() );
for ( ImagePlugList::const_iterator it( inputs.begin() ); it != end; ++it )
{
// We don't need to check that the plug is connected here as unconnected plugs don't have data windows.
IECore::boxExtend( dataWindow, (*it)->dataWindowPlug()->getValue() );
}
return dataWindow;
}
void Unpremultiply::processChannelData( const Gaffer::Context *context, const ImagePlug *parent, const std::string &channel, FloatVectorDataPtr outData ) const
{
std::string alphaChannel = alphaChannelPlug()->getValue();
if ( channel == alphaChannel )
{
return;
}
ConstStringVectorDataPtr inChannelNamesPtr;
{
ImagePlug::GlobalScope c( context );
inChannelNamesPtr = inPlug()->channelNamesPlug()->getValue();
}
const std::vector<std::string> &inChannelNames = inChannelNamesPtr->readable();
if ( std::find( inChannelNames.begin(), inChannelNames.end(), alphaChannel ) == inChannelNames.end() )
{
std::ostringstream channelError;
channelError << "Channel '" << alphaChannel << "' does not exist";
throw( IECore::Exception( channelError.str() ) );
}
ImagePlug::ChannelDataScope channelDataScope( context );
channelDataScope.setChannelName( alphaChannel );
ConstFloatVectorDataPtr aData = inPlug()->channelDataPlug()->getValue();
const std::vector<float> &a = aData->readable();
std::vector<float> &out = outData->writable();
std::vector<float>::const_iterator aIt = a.begin();
for ( std::vector<float>::iterator outIt = out.begin(), outItEnd = out.end(); outIt != outItEnd; ++outIt, ++aIt )
{
if ( *aIt != 0.0f )
{
*outIt /= *aIt;
}
}
}
void Grade::hashChannelData( const GafferImage::ImagePlug *output, const Gaffer::Context *context, IECore::MurmurHash &h ) const
{
ChannelDataProcessor::hashChannelData( output, context, h );
inPlug()->channelDataPlug()->hash( h );
std::string channelName = context->get<std::string>( ImagePlug::channelNameContextName );
int channelIndex = ChannelMaskPlug::channelIndex( channelName );
if( channelIndex >= 0 and channelIndex < 3 )
{
/// \todo The channelIndex tests above might be guaranteed true by
/// the effects of channelEnabled() anyway, but it's not clear from
/// the base class documentation.
blackPointPlug()->getChild( channelIndex )->hash( h );
whitePointPlug()->getChild( channelIndex )->hash( h );
liftPlug()->getChild( channelIndex )->hash( h );
gainPlug()->getChild( channelIndex )->hash( h );
multiplyPlug()->getChild( channelIndex )->hash( h );
offsetPlug()->getChild( channelIndex )->hash( h );
gammaPlug()->getChild( channelIndex )->hash( h );
blackClampPlug()->hash( h );
whiteClampPlug()->hash( h );
}
}
MStatus sseDeformer::compute(const MPlug& plug, MDataBlock& data)
{
MStatus status;
if (plug.attribute() != outputGeom) {
printf("Ignoring requested plug\n");
return status;
}
unsigned int index = plug.logicalIndex();
MObject thisNode = this->thisMObject();
// get input value
MPlug inPlug(thisNode,input);
inPlug.selectAncestorLogicalIndex(index,input);
MDataHandle hInput = data.inputValue(inPlug, &status);
MCheckStatus(status, "ERROR getting input mesh\n");
// get the input geometry
MDataHandle inputData = hInput.child(inputGeom);
if (inputData.type() != MFnData::kMesh) {
printf("Incorrect input geometry type\n");
return MStatus::kFailure;
}
MObject iSurf = inputData.asMesh() ;
MFnMesh inMesh;
inMesh.setObject( iSurf ) ;
MDataHandle outputData = data.outputValue(plug);
outputData.copy(inputData);
if (outputData.type() != MFnData::kMesh) {
printf("Incorrect output mesh type\n");
return MStatus::kFailure;
}
MObject oSurf = outputData.asMesh() ;
if(oSurf.isNull()) {
printf("Output surface is NULL\n");
return MStatus::kFailure;
}
MFnMesh outMesh;
outMesh.setObject( oSurf ) ;
MCheckStatus(status, "ERROR setting points\n");
// get all points at once for demo purposes. Really should get points from the current group using iterator
MFloatPointArray pts;
outMesh.getPoints(pts);
int nPoints = pts.length();
MDataHandle envData = data.inputValue(envelope, &status);
float env = envData.asFloat();
MDataHandle sseData = data.inputValue(sseEnabled, &status);
bool sseEnabled = (bool) sseData.asBool();
// NOTE: Using MTimer and possibly other classes disables
// autovectorization with Intel <=10.1 compiler on OSX and Linux!!
// Must compile this function with -fno-exceptions on OSX and
// Linux to guarantee autovectorization is done. Use -fvec_report2
// to check for vectorization status messages with Intel compiler.
MTimer timer;
timer.beginTimer();
if(sseEnabled) {
// Innter loop will autovectorize. Around 3x faster than the
// loop below it. It would be faster if first element was
// guaranteed to be aligned on 16 byte boundary.
for(int i=0; i<nPoints; i++) {
float* ptPtr = &pts[i].x;
for(int j=0; j<4; j++) {
ptPtr[j] = env * (cosf(ptPtr[j]) * sinf(ptPtr[j]) * tanf(ptPtr[j]));
}
}
} else {
// This inner loop will not autovectorize.
for(int i=0; i<nPoints; i++) {
MFloatPoint& pt = pts[i];
for(int j=0; j<3; j++) {
pt[j] = env * (cosf(pt[j]) * sinf(pt[j]) * tanf(pt[j]));
}
}
}
timer.endTimer();
if(sseEnabled) {
printf("SSE enabled, runtime %f\n", timer.elapsedTime());
} else {
printf("SSE disabled, runtime %f\n", timer.elapsedTime());
}
outMesh.setPoints(pts);
return status;
}
MStatus proWater::compute(const MPlug& plug, MDataBlock& dataBlock)
{
MStatus status = MStatus::kUnknownParameter;
if (plug.attribute() == outputGeom) {
// get the input corresponding to this output
//
unsigned int index = plug.logicalIndex();
MObject thisNode = this->thisMObject();
MPlug inPlug(thisNode,input);
inPlug.selectAncestorLogicalIndex(index,input);
MDataHandle hInput = dataBlock.inputValue(inPlug);
// get the input geometry and input groupId
//
MDataHandle hGeom = hInput.child(inputGeom);
MDataHandle hGroup = hInput.child(groupId);
unsigned int groupId = hGroup.asLong();
MDataHandle hOutput = dataBlock.outputValue(plug);
hOutput.copy(hGeom);
MStatus returnStatus;
MDataHandle envData = dataBlock.inputValue(envelope, &returnStatus);
if (MS::kSuccess != returnStatus) return returnStatus;
float env = envData.asFloat();
MDataHandle timeData = dataBlock.inputValue(time, &returnStatus);
if(MS::kSuccess != returnStatus) return returnStatus;
double t = timeData.asDouble();
MDataHandle dirData = dataBlock.inputValue(dir, &returnStatus);
if(MS::kSuccess != returnStatus) return returnStatus;
double dirDeg = dirData.asDouble();
MDataHandle bigData = dataBlock.inputValue(bigFreq, &returnStatus);
if(MS::kSuccess != returnStatus) return returnStatus;
double bigFreqAmp = bigData.asDouble();
MDataHandle ampData = dataBlock.inputValue(amplitude1, &returnStatus);
if(MS::kSuccess != returnStatus) return returnStatus;
double amp1 = ampData.asDouble();
MDataHandle freqData = dataBlock.inputValue(frequency1, &returnStatus);
if(MS::kSuccess != returnStatus) return returnStatus;
double freq1 = freqData.asDouble();
MDataHandle ampData2 = dataBlock.inputValue(amplitude2, &returnStatus);
if(MS::kSuccess != returnStatus) return returnStatus;
double amp2 = ampData2.asDouble();
MDataHandle freqData2 = dataBlock.inputValue(frequency2, &returnStatus);
if(MS::kSuccess != returnStatus) return returnStatus;
double freq2 = freqData2.asDouble();
// Get the MFnMesh
MStatus stat;
MObject inputObj = hOutput.data();
MFnMesh * meshFn = new MFnMesh(inputObj, &stat);
// do the deformation
//
MItGeometry iter(hOutput,groupId,false);
for ( ; !iter.isDone(); iter.next()) {
MPoint pt = iter.position();
//float2 uvPoint;
//float u,v;
//uvPoint[0] = u;
//uvPoint[1] = v;
//meshFn->getUVAtPoint(pt, uvPoint, MSpace::kObject);
float u = pt.x; //uvPoint[0]*100;
float v = pt.z; //uvPoint[1]*100;
float degDir = dirDeg;
float dir = degDir* M_PI/180;
float dirX = cos(dir);
float dirY = sin(dir);
float bigFreq = 0.01;
float bigWaves = scaled_raw_noise_3d(0, 1, (u + 3*t*dirX)*bigFreq*dirX, (v + 3*t*dirY)*bigFreq*dirY*2, t*0.01);
float frequency1 = freq1/10;//0.2;
float amplitude1 = amp1;//1.3;
float firstOctave = -(std::abs(scaled_raw_noise_3d(-amplitude1, amplitude1, (float)(u + 0.7*t*dirX)*frequency1*0.4, (float)(v + 0.7*t*dirY)*frequency1*0.6, 0.05*t))-amplitude1);
float frequency2 = freq2/10;
float amplitude2 = amp2;
float secondOctave = - (std::abs(scaled_raw_noise_3d(-amplitude2, amplitude2, (float)(u + 0.7*t*dirX)*frequency2*0.35, (float)(v + 0.7*t*dirY)*frequency2*0.65, 0.005*t))-amplitude2);
float frequency3 = freq1/10;
float amplitude3 = amp1/1.5;
float thirdOctave = - (std::abs(scaled_raw_noise_3d(-amplitude3, amplitude3, (float)(u + t*0.5*dirX)*frequency3*0.4, (float)(v + t*0.5*dirY)*frequency3*0.6, 30))-amplitude3);
float frequency4 = freq2/10;
float amplitude4 = amp2/1.5;
float fourthOctave = scaled_raw_noise_3d(-amplitude4, amplitude4, (float)(u + t*0.5*dirX)*frequency4*0.4, (float)(v + t*0.5*dirY)*frequency4*0.6, 50);
float frequency5 = freq2;
float amplitude5 = amp2/2;
float fifthOctave = scaled_raw_noise_3d(-amplitude5, amplitude5, (float)(u + t*0.5*dirX)*frequency5*0.15, (float)(v + t*0.5*dirY)*frequency5*0.85, 0.001*t);
float disp = bigFreqAmp*bigWaves + 7*(bigWaves)*firstOctave + secondOctave + thirdOctave*thirdOctave + fourthOctave + std::abs(bigWaves-1)*fifthOctave;
pt = pt + iter.normal()*disp;
iter.setPosition(pt);
}
delete meshFn;
status = MStatus::kSuccess;
}
return status;
}
void Select::hashFormat( const GafferImage::ImagePlug *output, const Gaffer::Context *context, IECore::MurmurHash &h ) const
{
inPlug( selectIndex() )->formatPlug()->hash(h);
}
void Select::hashChannelData( const GafferImage::ImagePlug *output, const Gaffer::Context *context, IECore::MurmurHash &h ) const
{
inPlug( selectIndex() )->channelDataPlug()->hash(h);
}
void Merge::hashFormat( const GafferImage::ImagePlug *parent, const Gaffer::Context *context, IECore::MurmurHash &h ) const
{
h = inPlug()->formatPlug()->hash();
}
Imath::Box2i Select::computeDataWindow( const Gaffer::Context *context, const ImagePlug *parent ) const
{
return inPlug( selectIndex() )->dataWindowPlug()->getValue();
}
IECore::ConstFloatVectorDataPtr Select::computeChannelData( const std::string &channelName, const Imath::V2i &tileOrigin, const Gaffer::Context *context, const ImagePlug *parent ) const
{
return inPlug( selectIndex() )->channelDataPlug()->getValue();
}
IECore::ConstStringVectorDataPtr Select::computeChannelNames( const Gaffer::Context *context, const ImagePlug *parent ) const
{
return inPlug( selectIndex() )->channelNamesPlug()->getValue();
}
void Select::hashDataWindow( const GafferImage::ImagePlug *output, const Gaffer::Context *context, IECore::MurmurHash &h ) const
{
inPlug( selectIndex() )->dataWindowPlug()->hash(h);
}
MStatus splatDeformer::compute(const MPlug& plug, MDataBlock& data)
{
// do this if we are using an OpenMP implementation that is not the same as Maya's.
// Even if it is the same, it does no harm to make this call.
MThreadUtils::syncNumOpenMPThreads();
MStatus status = MStatus::kUnknownParameter;
if (plug.attribute() != outputGeom) {
return status;
}
unsigned int index = plug.logicalIndex();
MObject thisNode = this->thisMObject();
// get input value
MPlug inPlug(thisNode,input);
inPlug.selectAncestorLogicalIndex(index,input);
MDataHandle hInput = data.inputValue(inPlug, &status);
MCheckStatus(status, "ERROR getting input mesh\n");
// get the input geometry
MDataHandle inputData = hInput.child(inputGeom);
if (inputData.type() != MFnData::kMesh) {
printf("Incorrect input geometry type\n");
return MStatus::kFailure;
}
// get the input groupId - ignored for now...
MDataHandle hGroup = inputData.child(groupId);
unsigned int groupId = hGroup.asLong();
// get deforming mesh
MDataHandle deformData = data.inputValue(deformingMesh, &status);
MCheckStatus(status, "ERROR getting deforming mesh\n");
if (deformData.type() != MFnData::kMesh) {
printf("Incorrect deformer geometry type %d\n", deformData.type());
return MStatus::kFailure;
}
MObject dSurf = deformData.asMeshTransformed();
MFnMesh fnDeformingMesh;
fnDeformingMesh.setObject( dSurf ) ;
MDataHandle outputData = data.outputValue(plug);
outputData.copy(inputData);
if (outputData.type() != MFnData::kMesh) {
printf("Incorrect output mesh type\n");
return MStatus::kFailure;
}
MItGeometry iter(outputData, groupId, false);
// create fast intersector structure
MMeshIntersector intersector;
intersector.create(dSurf);
// get all points at once. Faster to query, and also better for
// threading than using iterator
MPointArray verts;
iter.allPositions(verts);
int nPoints = verts.length();
// use bool variable as lightweight object for failure check in loop below
bool failed = false;
MTimer timer; timer.beginTimer();
#ifdef _OPENMP
#pragma omp parallel for
#endif
for(int i=0; i<nPoints; i++) {
// Cannot break out of an OpenMP loop, so if one of the
// intersections failed, skip the rest
if(failed) continue;
// mesh point object must be in loop-local scope to avoid race conditions
MPointOnMesh meshPoint;
// Do intersection. Need to use per-thread status value as
// MStatus has internal state and may trigger race conditions
// if set from multiple threads. Probably benign in this case,
// but worth being careful.
MStatus localStatus = intersector.getClosestPoint(verts[i], meshPoint);
if(localStatus != MStatus::kSuccess) {
// NOTE - we cannot break out of an OpenMP region, so set
// bad status and skip remaining iterations
failed = true;
continue;
}
// default OpenMP scheduling breaks traversal into large
// chunks, so low risk of false sharing here in array write.
verts[i] = meshPoint.getPoint();
}
timer.endTimer(); printf("Runtime for threaded loop %f\n", timer.elapsedTime());
// write values back onto output using fast set method on iterator
iter.setAllPositions(verts);
if(failed) {
printf("Closest point failed\n");
return MStatus::kFailure;
}
return status;
}
GafferImage::Format Merge::computeFormat( const Gaffer::Context *context, const ImagePlug *parent ) const
{
return inPlug()->formatPlug()->getValue();
}
GafferImage::Format Select::computeFormat( const Gaffer::Context *context, const ImagePlug *parent ) const
{
return inPlug( selectIndex() )->formatPlug()->getValue();
}
MStatus finalproject::compute(const MPlug& plug, MDataBlock& data)
{
// do this if we are using an OpenMP implementation that is not the same as Maya's.
// Even if it is the same, it does no harm to make this call.
MThreadUtils::syncNumOpenMPThreads();
MStatus status = MStatus::kUnknownParameter;
if (plug.attribute() != outputGeom) {
return status;
}
unsigned int index = plug.logicalIndex();
MObject thisNode = this->thisMObject();
// get input value
MPlug inPlug(thisNode,input);
inPlug.selectAncestorLogicalIndex(index,input);
MDataHandle hInput = data.inputValue(inPlug, &status);
MCheckStatus(status, "ERROR getting input mesh\n");
// get the input geometry
MDataHandle inputData = hInput.child(inputGeom);
if (inputData.type() != MFnData::kMesh) {
printf("Incorrect input geometry type\n");
return MStatus::kFailure;
}
// get the input groupId - ignored for now...
MDataHandle hGroup = inputData.child(groupId);
unsigned int groupId = hGroup.asLong();
// get deforming mesh
MDataHandle deformData = data.inputValue(deformingMesh, &status);
MCheckStatus(status, "ERROR getting deforming mesh\n");
if (deformData.type() != MFnData::kMesh) {
printf("Incorrect deformer geometry type %d\n", deformData.type());
return MStatus::kFailure;
}
MDataHandle offloadData = data.inputValue(offload, &status);
//gathers world space positions of the object and the magnet
MObject dSurf = deformData.asMeshTransformed();
MObject iSurf = inputData.asMeshTransformed();
MFnMesh fnDeformingMesh, fnInputMesh;
fnDeformingMesh.setObject( dSurf ) ;
fnInputMesh.setObject( iSurf ) ;
MDataHandle outputData = data.outputValue(plug);
outputData.copy(inputData);
if (outputData.type() != MFnData::kMesh) {
printf("Incorrect output mesh type\n");
return MStatus::kFailure;
}
MItGeometry iter(outputData, groupId, false);
// get all points at once. Faster to query, and also better for
// threading than using iterator
MPointArray objVerts;
iter.allPositions(objVerts);
int objNumPoints = objVerts.length();
MPointArray magVerts, tempverts;
fnDeformingMesh.getPoints(magVerts);
fnInputMesh.getPoints(tempverts);
int magNumPoints = magVerts.length();
double min = DBL_MAX, max = -DBL_MAX;
//finds min and max z-coordinate values to determine middle point (choice of z-axis was ours)
for (int i = 0; i < magNumPoints; i++) {
min = magVerts[i].z < min ? magVerts[i].z : min;
max = magVerts[i].z > max ? magVerts[i].z : max;
}
double middle = (min + max) / 2;
double polarity[magNumPoints];
//assigns polarity based on middle point of mesh
for (int i = 0; i < magNumPoints; i++) {
polarity[i] = magVerts[i].z > middle ? max / magVerts[i].z : -min / magVerts[i].z;
}
double* objdVerts = (double *)malloc(sizeof(double) * objNumPoints * 3);
double* magdVerts = (double *)malloc(sizeof(double) * magNumPoints * 3);
//creates handles to use attribute data
MDataHandle vecX = data.inputValue(transX, &status);
MDataHandle vecY = data.inputValue(transY, &status);
MDataHandle vecZ = data.inputValue(transZ, &status);
//gathers previously stored coordinates of the center of the object
double moveX = vecX.asFloat();
double moveY = vecY.asFloat();
double moveZ = vecZ.asFloat();
//translates object based on the position stored in the attribute values
for (int i=0; i<objNumPoints; i++) {
objdVerts[i * 3] = tempverts[i].x + moveX;
objdVerts[i * 3 + 1] = tempverts[i].y + moveY;
objdVerts[i * 3 + 2] = tempverts[i].z + moveZ;
}
for (int i=0; i<magNumPoints; i++) {
magdVerts[i * 3] = magVerts[i].x;
magdVerts[i * 3 + 1] = magVerts[i].y;
magdVerts[i * 3 + 2] = magVerts[i].z;
}
double teslaData = data.inputValue(tesla, &status).asDouble();
MDataHandle posiData = data.inputValue(positivelycharged, &status);
double pivot[6] = {DBL_MAX, -DBL_MAX, DBL_MAX, -DBL_MAX, DBL_MAX, -DBL_MAX};
//finds the pivot point of the object in world space prior to being affected by the magnet
for (int i = 0; i < tempverts.length(); i++) {
pivot[0] = tempverts[i].x < pivot[0] ? tempverts[i].x : pivot[0];
pivot[1] = tempverts[i].x > pivot[1] ? tempverts[i].x : pivot[1];
pivot[2] = tempverts[i].y < pivot[2] ? tempverts[i].y : pivot[2];
pivot[3] = tempverts[i].y > pivot[3] ? tempverts[i].y : pivot[3];
pivot[4] = tempverts[i].z < pivot[4] ? tempverts[i].z : pivot[4];
pivot[5] = tempverts[i].z > pivot[5] ? tempverts[i].z : pivot[5];
}
MTimer timer; timer.beginTimer();
//main function call
magnetForce(magNumPoints, objNumPoints, teslaData, magdVerts,
objdVerts, polarity, posiData.asBool(), offloadData.asBool());
timer.endTimer(); printf("Runtime for threaded loop %f\n", timer.elapsedTime());
for (int i=0; i<objNumPoints; i++) {
objVerts[i].x = objdVerts[i * 3 + 0];
objVerts[i].y = objdVerts[i * 3 + 1];
objVerts[i].z = objdVerts[i * 3 + 2];
}
//finds the pivot point of object in world space after being affected by the magnet
double objCenter[6] = {DBL_MAX, -DBL_MAX, DBL_MAX, -DBL_MAX, DBL_MAX, -DBL_MAX};
for (int i = 0; i < tempverts.length(); i++) {
objCenter[0] = objVerts[i].x < objCenter[0] ? objVerts[i].x : objCenter[0];
objCenter[1] = objVerts[i].x > objCenter[1] ? objVerts[i].x : objCenter[1];
objCenter[2] = objVerts[i].y < objCenter[2] ? objVerts[i].y : objCenter[2];
objCenter[3] = objVerts[i].y > objCenter[3] ? objVerts[i].y : objCenter[3];
objCenter[4] = objVerts[i].z < objCenter[4] ? objVerts[i].z : objCenter[4];
objCenter[5] = objVerts[i].z > objCenter[5] ? objVerts[i].z : objCenter[5];
}
//creates vector based on the two calculated pivot points
moveX = (objCenter[0] + objCenter[1]) / 2 - (pivot[0] + pivot[1]) / 2;
moveY = (objCenter[2] + objCenter[3]) / 2 - (pivot[2] + pivot[3]) / 2;
moveZ = (objCenter[4] + objCenter[5]) / 2 - (pivot[4] + pivot[5]) / 2;
//stores pivot vector for next computation
if (teslaData) {
vecX.setFloat(moveX);
vecY.setFloat(moveY);
vecZ.setFloat(moveZ);
}
// write values back onto output using fast set method on iterator
iter.setAllPositions(objVerts, MSpace::kWorld);
free(objdVerts);
free(magdVerts);
return status;
}
