本文整理汇总了C++中VertexAttribute类的典型用法代码示例。如果您正苦于以下问题:C++ VertexAttribute类的具体用法?C++ VertexAttribute怎么用?C++ VertexAttribute使用的例子?那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。
在下文中一共展示了VertexAttribute类的20个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于我们的系统推荐出更棒的C++代码示例。
示例1: CCSubdivision
void Surface_Subdivision_Plugin::CCSubdivision(
const QString& mapName,
const QString& positionAttributeName, bool interp)
{
MapHandler<PFP2>* mh = static_cast<MapHandler<PFP2>*>(m_schnapps->getMap(mapName));
if(mh == NULL)
return;
VertexAttribute<PFP2::VEC3, PFP2::MAP> position = mh->getAttribute<PFP2::VEC3, VERTEX>(positionAttributeName);
if(!position.isValid())
return;
pythonRecording("CCSubdivision", "", mapName, positionAttributeName,interp);
PFP2::MAP* map = mh->getMap();
if (interp)
Algo::Surface::Modelisation::CatmullClarkInterpolSubdivision<PFP2>(*map, position);
else
Algo::Surface::Modelisation::CatmullClarkSubdivision<PFP2>(*map, position);
mh->notifyAttributeModification(position);
mh->notifyConnectivityModification();
foreach(View* view, mh->getLinkedViews())
view->updateGL();
}
开发者ID:abletterer,项目名称:CGoGN-1,代码行数:26,代码来源:surface_subdivision.cpp
示例2:
void ShapeMatching<PFP>::computeVelocities(VertexAttribute<VEC3, MAP>& velocity, VertexAttribute<VEC3, MAP>& fext, REAL h, REAL alpha)
{
for(unsigned int i = velocity.begin() ; i < velocity.end() ; velocity.next(i))
{
velocity[i] = velocity[i] + alpha * ((m_goal[i] - m_position[i]) / h ) + (h * fext[i]) / m_mass[i];
}
}
开发者ID:abletterer,项目名称:CGoGN-1,代码行数:7,代码来源:shapeMatching.hpp
示例3: updateTF
void updateTF (Tucano::Mesh& mesh, const Tucano::Camera& camera, const Tucano::Camera& lightTrackball)
{
qDebug() << "UPDATING TF2";
tf.bind();
//mesh.setAttributeLocation(tf);
glEnable(GL_RASTERIZER_DISCARD);
mesh.bindBuffers();
Tucano::Misc::errorCheckFunc(__FILE__, __LINE__);
//VertexAttribute* va = mesh.getAttribute("nPos");
write_va->disable();
//glDisableVertexAttribArray(mesh.getAttributeLocation("nPos"));
read_va->enable(tf.getAttributeLocation("inPos"));
Tucano::Misc::errorCheckFunc(__FILE__, __LINE__);
glBindBufferBase(GL_TRANSFORM_FEEDBACK_BUFFER, 0, write_va->getBufferID());
glBeginTransformFeedback(GL_POINTS);
glEnable(GL_DEPTH_TEST);
mesh.renderPoints();
glEndTransformFeedback();
glBindBufferBase(GL_TRANSFORM_FEEDBACK_BUFFER, 0, 0);
mesh.unbindBuffers();
glDisable(GL_RASTERIZER_DISCARD);
tf.unbind();
}
开发者ID:brunoferraz,项目名称:advRendering,代码行数:25,代码来源:simpleTF.hpp
示例4: updateAttributeData
void ofVbo::updateAttributeData(int location, const float * attr0x, int total){
VertexAttribute * attr = nullptr;
if (ofIsGLProgrammableRenderer()) {
switch (location){
case ofShader::POSITION_ATTRIBUTE:
attr = &positionAttribute;
break;
case ofShader::COLOR_ATTRIBUTE:
attr = &colorAttribute;
break;
case ofShader::NORMAL_ATTRIBUTE:
attr = &normalAttribute;
break;
case ofShader::TEXCOORD_ATTRIBUTE:
attr = &texCoordAttribute;
break;
default:
if(customAttributes.find(location)!=customAttributes.end()) {
attr = &customAttributes[location];
}
break;
}
} else {
if(customAttributes.find(location)!=customAttributes.end()) {
attr = &customAttributes[location];
}
}
if (attr !=nullptr && attr->isAllocated()) {
attr->updateData(0, total*attr->stride, attr0x);
}
}
开发者ID:imohame,项目名称:openFrameworks,代码行数:31,代码来源:ofVbo.cpp
示例5: computeNormal
void Surface_DifferentialProperties_Plugin::computeNormal(
const QString& mapName,
const QString& positionAttributeName,
const QString& normalAttributeName,
bool autoUpdate)
{
MapHandler<PFP2>* mh = static_cast<MapHandler<PFP2>*>(m_schnapps->getMap(mapName));
if(mh == NULL)
return;
VertexAttribute<PFP2::VEC3, PFP2::MAP> position = mh->getAttribute<PFP2::VEC3, VERTEX>(positionAttributeName);
if(!position.isValid())
return;
VertexAttribute<PFP2::VEC3, PFP2::MAP> normal = mh->getAttribute<PFP2::VEC3, VERTEX>(normalAttributeName);
if(!normal.isValid())
normal = mh->addAttribute<PFP2::VEC3, VERTEX>(normalAttributeName);
PFP2::MAP* map = mh->getMap();
Algo::Surface::Geometry::computeNormalVertices<PFP2>(*map, position, normal);
computeNormalLastParameters[mapName] =
ComputeNormalParameters(positionAttributeName, normalAttributeName, autoUpdate);
mh->notifyAttributeModification(normal);
}
开发者ID:Peiffert,项目名称:CGoGN,代码行数:26,代码来源:surface_differentialProperties.cpp
示例6: testVAbyNames
/**
* @brief test if map has a Vertex Attribute of VEC3 named name
* @param map the map
* @param name name of attribute
*/
void testVAbyNames(MAP& map, const std::string& name)
{
VertexAttribute<VEC3, MAP> testPos = map.getAttribute<VEC3, VERTEX, MAP>(name);
if (testPos.isValid())
std::cout << "Attribute "<< name <<" valid"<< std::endl;
else
std::cout << "Attribute "<< name <<"invalid"<< std::endl;
}
开发者ID:Peiffert,项目名称:CGoGN,代码行数:13,代码来源:simple_attribs.cpp
示例7: writeAttributeData
std::size_t VertexDataManager::writeAttributeData(ArrayVertexBuffer *vertexBuffer, GLint start, GLsizei count, const VertexAttribute &attribute, GLsizei instances)
{
Buffer *buffer = attribute.mBoundBuffer.get();
int inputStride = attribute.stride();
int elementSize = attribute.typeSize();
const FormatConverter &converter = formatConverter(attribute);
std::size_t streamOffset = 0;
void *output = NULL;
if (vertexBuffer)
{
output = vertexBuffer->map(attribute, spaceRequired(attribute, count, instances), &streamOffset);
}
if (output == NULL)
{
ERR("Failed to map vertex buffer.");
return -1;
}
const char *input = NULL;
if (buffer)
{
int offset = attribute.mOffset;
input = static_cast<const char*>(buffer->data()) + offset;
}
else
{
input = static_cast<const char*>(attribute.mPointer);
}
if (instances == 0 || attribute.mDivisor == 0)
{
input += inputStride * start;
}
if (converter.identity && inputStride == elementSize)
{
memcpy(output, input, count * inputStride);
}
else
{
converter.convertArray(input, inputStride, count, output);
}
vertexBuffer->unmap();
return streamOffset;
}
开发者ID:dog-god,项目名称:iptv,代码行数:53,代码来源:VertexDataManager.cpp
示例8:
void UniversalLoader<MapType, AttrTypeLoader>::UnpackOnVertex(MapType& map, const unsigned int* verticesId, const AHEMHeader* hdr, const char* attrName, const void* buffer) const
{
VertexAttribute<typename AttrTypeLoader::ATTR_TYPE> attr = map.template getAttribute<typename AttrTypeLoader::ATTR_TYPE, VERTEX>(attrName);
if (!attr.isValid())
attr = map.template addAttribute<typename AttrTypeLoader::ATTR_TYPE, VERTEX>(attrName);
char* p = (char*)buffer;
for(unsigned int i = 0 ; i < hdr->meshHdr.vxCount ; i++)
{
AttrTypeLoader::Extract(&attr[verticesId[i]], p);
p += AttrTypeLoader::TYPE_SIZE_IN_BUFFER;
}
}
开发者ID:Peiffert,项目名称:CGoGN,代码行数:15,代码来源:AHEMImporterDefAttr.hpp
示例9:
bool VertexAttribute::operator==(const VertexAttribute& VertexAttribute) const
{
if (m_nNumItems != VertexAttribute.GetNumAttributeItems()) return false;
for (int i = 0; i < m_nNumItems; ++i)
{
const ATTRIBUTE_ITEM* pAttrItem = VertexAttribute.GetAttributeItem(i);
if (m_AttributeItems[i].nSize != pAttrItem->nSize) return false;
if (m_AttributeItems[i].eItemType != pAttrItem->eItemType) return false;
if (!StringUtil::IsEqual(m_AttributeItems[i].szParamName, pAttrItem->szParamName)) return false;
}
return true;
}
开发者ID:mshandle,项目名称:spank,代码行数:15,代码来源:VertexAttribute.cpp
示例10:
void AHEMImporter<PFP>::LoadPosition(AHEMAttributeDescriptor* posDescr)
{
VertexAttribute<typename PFP::VEC3, typename PFP::MAP> position = map->template getAttribute<typename PFP::VEC3, VERTEX, typename PFP::MAP>("position");
if (!position.isValid())
position = map->template addAttribute<typename PFP::VEC3, VERTEX, typename PFP::MAP>("position");
f.seekg(posDescr->fileStartOffset, std::ios_base::beg);
f.read(buffer, posDescr->attributeChunkSize);
float* q = (float*)buffer;
for(unsigned int i = 0 ; i < hdr.meshHdr.vxCount ; i++)
{
position[verticesId[i]] = typename PFP::VEC3(q[0], q[1], q[2]);
q += 3;
}
}
开发者ID:abletterer,项目名称:CGoGN-1,代码行数:18,代码来源:AHEMImporter.hpp
示例11: lookupAttribute
std::size_t StaticVertexBuffer::lookupAttribute(const VertexAttribute &attribute)
{
for (unsigned int element = 0; element < mCache.size(); element++)
{
if (mCache[element].type == attribute.mType &&
mCache[element].size == attribute.mSize &&
mCache[element].stride == attribute.stride() &&
mCache[element].normalized == attribute.mNormalized)
{
if (mCache[element].attributeOffset == attribute.mOffset % attribute.stride())
{
return mCache[element].streamOffset;
}
}
}
return -1;
}
开发者ID:dog-god,项目名称:iptv,代码行数:18,代码来源:VertexDataManager.cpp
示例12: render
/** * @brief Render the mesh given a camera and light, using a Phong shader
* @param mesh Given mesh
* @param camera Given camera
* @param lightTrackball Given light camera
*/
void render (Tucano::Mesh& mesh, const Tucano::Camera& camera, const Tucano::Camera& lightTrackball)
{
if (read_va == NULL)
{
read_va = mesh.getAttribute("positions1");
write_va = mesh.getAttribute("positions2");
}
if (read_va == NULL || write_va == NULL)
qDebug() << "AHHH morri";
updateTF(mesh, camera, lightTrackball);
Eigen::Vector4f viewport = camera.getViewport();
glViewport(viewport[0], viewport[1], viewport[2], viewport[3]);
simple.bind();
// sets all uniform variables for the phong shader
simple.setUniform("projectionMatrix", camera.getProjectionMatrix());
simple.setUniform("modelMatrix", mesh.getModelMatrix());
simple.setUniform("viewMatrix", camera.getViewMatrix());
glEnable(GL_DEPTH_TEST);
//mesh.setAttributeLocation(simple);
mesh.bindBuffers();
// mesh.resetLocations();
//qDebug() << mesh.getAttribute("nPos")->getLocation();
read_va->disable();
write_va->enable(simple.getAttributeLocation("inPos"));
mesh.setAttributeLocation("nColor", simple.getAttributeLocation("inColor"));
mesh.renderPoints();
mesh.unbindBuffers();
simple.unbind();
VertexAttribute *tmp_va;
tmp_va = read_va;
read_va = write_va;
write_va = tmp_va;
}
开发者ID:brunoferraz,项目名称:advRendering,代码行数:48,代码来源:simpleTF.hpp
示例13: getVertexAttribute
void VertexAttributeSet::combineBuffers()
{
// calculate stride & number of vertices
unsigned int stride = 0;
unsigned int numberOfVertices = 0;
for ( unsigned int index = 0; index < static_cast<unsigned int>(AttributeID::VERTEX_ATTRIB_COUNT); ++index )
{
AttributeID id = static_cast<AttributeID>(index);
if ( isEnabled( id ) )
{
VertexAttribute attribute = getVertexAttribute( id );
stride += attribute.getVertexDataBytes();
if ( !numberOfVertices )
{
numberOfVertices = attribute.getVertexDataCount();
}
else
{
DP_ASSERT( numberOfVertices == attribute.getVertexDataCount() );
}
}
}
// create one big buffer with all data
BufferSharedPtr newBufferSharedPtr = BufferHost::create();
newBufferSharedPtr->setSize( numberOfVertices * stride );
unsigned int offset = 0;
for ( unsigned int index = 0; index < static_cast<unsigned int>(AttributeID::VERTEX_ATTRIB_COUNT); ++index )
{
AttributeID id = static_cast<AttributeID>(index);
if ( isEnabled( id ) )
{
VertexAttribute attributeNew;
const VertexAttribute& attributeOld = getVertexAttribute( id );
attributeNew.setData( attributeOld.getVertexDataSize(), attributeOld.getVertexDataType(), newBufferSharedPtr, offset, stride, numberOfVertices );
Buffer::DataReadLock drl(attributeOld.getBuffer());
Buffer::DataWriteLock dwl(attributeNew.getBuffer(), Buffer::MapMode::READWRITE );
dp::util::stridedMemcpy( dwl.getPtr(), attributeNew.getVertexDataOffsetInBytes(), attributeNew.getVertexDataStrideInBytes(),
drl.getPtr(), attributeOld.getVertexDataOffsetInBytes(), attributeOld.getVertexDataStrideInBytes(),
attributeOld.getVertexDataBytes(), numberOfVertices
);
offset += attributeOld.getVertexDataBytes();
setVertexAttribute( id, attributeNew, true );
}
}
}
开发者ID:aonorin,项目名称:pipeline,代码行数:48,代码来源:VertexAttributeSet.cpp
示例14: sizeof
void AHEMImporter<PFP>::LoadTopology()
{
// Allocate vertices
AttributeContainer& vxContainer = map->template getAttributeContainer<VERTEX>();
verticesId = new unsigned int[hdr.meshHdr.vxCount];
for(unsigned int i = 0 ; i < hdr.meshHdr.vxCount ; i++)
verticesId[i] = vxContainer.insertLine();
// Ensure vertices are created by querying the position attribute
VertexAttribute<typename PFP::VEC3, typename PFP::MAP> position = map->template getAttribute<typename PFP::VEC3, VERTEX, typename PFP::MAP>("position");
if (!position.isValid())
position = map->template addAttribute<typename PFP::VEC3, VERTEX, typename PFP::MAP>("position");
// Read faces stream and create faces [only intra-face links]
HESorter* addedHE = new HESorter[hdr.meshHdr.heCount];
facesId = new Dart[hdr.meshHdr.faceCount];
f.read(buffer, hdr.meshHdr.meshChunkSize);
char* batch = buffer;
unsigned int fId = 0;
unsigned int heId = 0;
while(fId < hdr.meshHdr.faceCount)
{
AHEMFaceBatchDescriptor* fbd = (AHEMFaceBatchDescriptor*)batch;
stUInt32* ix = (stUInt32*)(batch + sizeof(AHEMFaceBatchDescriptor));
for(unsigned int i = 0 ; i < fbd->batchLength ; i++)
{
Dart d = map->newFace(fbd->batchFaceSize); // create face
facesId[fId++] = d;
unsigned int firstVx = verticesId[*ix++]; // setup face's vertices up to last HE
unsigned int prevVx = firstVx;
for(unsigned int k = 0 ; k < fbd->batchFaceSize - 1 ; k++)
{
addedHE[heId].d = d;
addedHE[heId].vxIdFrom = prevVx;
addedHE[heId].vxIdTo = verticesId[*ix];
map->setDartEmbedding<VERTEX>(d, prevVx);
d = map->phi1(d);
prevVx = *ix++;
heId++;
}
// last HE
addedHE[heId].d = d;
addedHE[heId].vxIdFrom = prevVx;
addedHE[heId].vxIdTo = firstVx;
map->setDartEmbedding<VERTEX>(d, prevVx);
heId++;
}
batch = (char*)ix;
}
// Sort the HE for fast retrieval
std::sort(addedHE, addedHE + hdr.meshHdr.heCount);
// Sew faces [inter-face links]
for(unsigned int i = 0 ; i < hdr.meshHdr.heCount ; i++)
{
HESorter* opposite = (HESorter*)bsearch(addedHE + i, addedHE, hdr.meshHdr.heCount, sizeof(HESorter), OppositeSearch);
if(opposite && opposite->d == map->phi2(opposite->d))
map->sewFaces(addedHE[i].d, opposite->d);
}
}
开发者ID:abletterer,项目名称:CGoGN-1,代码行数:83,代码来源:AHEMImporter.hpp
示例15: foff
bool MeshTablesVolume<PFP>::importOFFWithELERegions(const std::string& filenameOFF, const std::string& filenameELE, std::vector<std::string>& attrNames)
{
VertexAttribute<VEC3> position = m_map.template getAttribute<VEC3, VERTEX>("position") ;
if (!position.isValid())
position = m_map.template addAttribute<VEC3, VERTEX>("position") ;
attrNames.push_back(position.name()) ;
AttributeContainer& container = m_map.template getAttributeContainer<VERTEX>() ;
// open files
std::ifstream foff(filenameOFF.c_str(), std::ios::in);
if (!foff.good())
{
CGoGNerr << "Unable to open OFF file " << CGoGNendl;
return false;
}
std::ifstream fele(filenameELE.c_str(), std::ios::in);
if (!fele.good())
{
CGoGNerr << "Unable to open ELE file " << CGoGNendl;
return false;
}
std::string line;
//OFF reading
std::getline(foff, line);
if(line.rfind("OFF") == std::string::npos)
{
CGoGNerr << "Problem reading off file: not an off file"<<CGoGNendl;
CGoGNerr << line << CGoGNendl;
return false;
}
//Reading number of vertex/faces/edges in OFF file
unsigned int nbe;
{
do
{
std::getline(foff,line);
}while(line.size() == 0);
std::stringstream oss(line);
oss >> m_nbVertices;
oss >> nbe;
oss >> nbe;
oss >> nbe;
}
//Reading number of tetrahedra in ELE file
unsigned int nbv;
{
do
{
std::getline(fele,line);
}while(line.size() == 0);
std::stringstream oss(line);
oss >> m_nbVolumes;
oss >> nbv ;
oss >> nbv;
}
//Reading vertices
std::vector<unsigned int> verticesID;
verticesID.reserve(m_nbVertices);
for(unsigned int i = 0 ; i < m_nbVertices ; ++i)
{
do
{
std::getline(foff,line);
}while(line.size() == 0);
std::stringstream oss(line);
float x,y,z;
oss >> x;
oss >> y;
oss >> z;
//we can read colors informations if exists
VEC3 pos(x,y,z);
unsigned int id = container.insertLine();
position[id] = pos;
verticesID.push_back(id);
}
// reading tetrahedra
m_nbFaces.reserve(m_nbVolumes*4);
m_emb.reserve(m_nbVolumes*12);
for(unsigned i = 0; i < m_nbVolumes ; ++i)
{
do
{
std::getline(fele,line);
//.........这里部分代码省略.........
开发者ID:cgogn,项目名称:Mesher,代码行数:101,代码来源:import2tablesVolume.hpp
示例16: decimate
void Surface_Radiance_Plugin::decimate(const QString& mapName, const QString& positionAttributeName, const QString& normalAttributeName, float decimationGoal, bool halfCollapse, bool exportMeshes)
{
MapHandler<PFP2>* mh = static_cast<MapHandler<PFP2>*>(m_schnapps->getMap(mapName));
if(mh == NULL)
return;
VertexAttribute<PFP2::VEC3, PFP2::MAP> position = mh->getAttribute<PFP2::VEC3, VERTEX>(positionAttributeName);
if(!position.isValid())
return;
VertexAttribute<PFP2::VEC3, PFP2::MAP> normal = mh->getAttribute<PFP2::VEC3, VERTEX>(normalAttributeName);
if(!normal.isValid())
return;
PFP2::MAP* map = mh->getMap();
unsigned int nbVertices = Algo::Topo::getNbOrbits<VERTEX>(*map);
MapParameters& mapParams = h_mapParameterSet[mh];
if (halfCollapse)
{
if (mapParams.positionApproximator == NULL)
{
mapParams.positionApproximator = new Algo::Surface::Decimation::Approximator_HalfCollapse<PFP2, PFP2::VEC3>(*map, position);
}
if (mapParams.normalApproximator == NULL)
{
mapParams.normalApproximator = new Algo::Surface::Decimation::Approximator_HalfCollapse<PFP2, PFP2::VEC3>(*map, normal);
}
if (mapParams.radianceApproximator == NULL)
{
mapParams.radianceApproximator = new Algo::Surface::Decimation::Approximator_HalfCollapse<PFP2, Utils::SphericalHarmonics<PFP2::REAL, PFP2::VEC3> >(*map, mapParams.radiance);
}
if (mapParams.selector == NULL)
{
mapParams.selector = new HalfEdgeSelector_Radiance<PFP2>(
*map,
position,
normal,
mapParams.radiance,
*(Algo::Surface::Decimation::Approximator<PFP2, PFP2::VEC3, DART>*)(mapParams.positionApproximator),
*(Algo::Surface::Decimation::Approximator<PFP2, PFP2::VEC3, DART>*)(mapParams.normalApproximator),
*(Algo::Surface::Decimation::Approximator<PFP2, Utils::SphericalHarmonics<PFP2::REAL, PFP2::VEC3>, DART>*)(mapParams.radianceApproximator)
);
}
}
else
{
if (mapParams.positionApproximator == NULL)
{
mapParams.positionApproximator = new Algo::Surface::Decimation::Approximator_QEM<PFP2>(*map, position);
}
if (mapParams.normalApproximator == NULL)
{
mapParams.normalApproximator =
new Algo::Surface::Decimation::Approximator_InterpolateAlongEdge<PFP2, PFP2::VEC3>(
*map,
normal,
position,
((Algo::Surface::Decimation::Approximator<PFP2, PFP2::VEC3, EDGE>*)(mapParams.positionApproximator))->getApproximationResultAttribute()
);
}
if (mapParams.radianceApproximator == NULL)
{
mapParams.radianceApproximator =
new Algo::Surface::Decimation::Approximator_InterpolateAlongEdge<PFP2, Utils::SphericalHarmonics<PFP2::REAL, PFP2::VEC3> >(
*map,
mapParams.radiance,
position,
((Algo::Surface::Decimation::Approximator<PFP2, PFP2::VEC3, EDGE>*)(mapParams.positionApproximator))->getApproximationResultAttribute()
);
}
if (mapParams.selector == NULL)
{
mapParams.selector =
new EdgeSelector_Radiance<PFP2>(
*map,
position,
normal,
mapParams.radiance,
*(Algo::Surface::Decimation::Approximator<PFP2, PFP2::VEC3, EDGE>*)(mapParams.positionApproximator),
*(Algo::Surface::Decimation::Approximator<PFP2, PFP2::VEC3, EDGE>*)(mapParams.normalApproximator),
*(Algo::Surface::Decimation::Approximator<PFP2, Utils::SphericalHarmonics<PFP2::REAL, PFP2::VEC3>, EDGE>*)(mapParams.radianceApproximator)
);
mapParams.selector =
new Algo::Surface::Decimation::EdgeSelector_QEM<PFP2>(
*map,
position,
*(Algo::Surface::Decimation::Approximator<PFP2, PFP2::VEC3, EDGE>*)(mapParams.positionApproximator)
);
}
}
//.........这里部分代码省略.........
开发者ID:sujithvg,项目名称:CGoGN,代码行数:101,代码来源:surface_radiance.cpp
示例17: fp
bool MeshTablesVolume<PFP>::importTetmesh(const std::string& filename, std::vector<std::string>& attrNames)
{
VertexAttribute<VEC3> position = m_map.template getAttribute<VEC3, VERTEX>("position") ;
if (!position.isValid())
position = m_map.template addAttribute<VEC3, VERTEX>("position") ;
attrNames.push_back(position.name()) ;
AttributeContainer& container = m_map.template getAttributeContainer<VERTEX>() ;
//open file
std::ifstream fp(filename.c_str(), std::ios::in);
if (!fp.good())
{
CGoGNerr << "Unable to open file " << filename << CGoGNendl;
return false;
}
std::string line;
fp >> line;
if (line!="Vertices")
CGoGNerr << "Warning tetmesh file problem"<< CGoGNendl;
fp >> m_nbVertices;
std::cout << "READ: "<< m_nbVertices << std::endl;
std::getline (fp, line);
//reading vertices
std::vector<unsigned int> verticesID;
verticesID.reserve(m_nbVertices+1);
verticesID.push_back(0xffffffff);
for(unsigned int i = 0; i < m_nbVertices; ++i)
{
do
{
std::getline (fp, line);
} while (line.size() == 0);
std::stringstream oss(line);
float x,y,z;
oss >> x;
oss >> y;
oss >> z;
// TODO : if required read other vertices attributes here
VEC3 pos(x,y,z);
unsigned int id = container.insertLine();
position[id] = pos;
verticesID.push_back(id);
}
fp >> line;
if (line!="Tetrahedra")
CGoGNerr << "Warning tetmesh file problem"<< CGoGNendl;
fp >> m_nbVolumes;
std::getline (fp, line);
// reading tetrahedra
m_nbFaces.reserve(m_nbVolumes*4);
m_emb.reserve(m_nbVolumes*12);
for(unsigned i = 0; i < m_nbVolumes ; ++i)
{
do
{
std::getline(fp,line);
} while(line.size() == 0);
std::stringstream oss(line);
m_nbFaces.push_back(4);
int s0,s1,s2,s3;
oss >> s0;
oss >> s1;
oss >> s2;
oss >> s3;
typename PFP::VEC3 P = position[verticesID[s0]];
typename PFP::VEC3 A = position[verticesID[s1]];
typename PFP::VEC3 B = position[verticesID[s2]];
typename PFP::VEC3 C = position[verticesID[s3]];
if (Geom::testOrientation3D<typename PFP::VEC3>(P,A,B,C) == Geom::UNDER)
{
int ui=s1;
s1 = s2;
s2 = ui;
}
//.........这里部分代码省略.........
开发者ID:cgogn,项目名称:Mesher,代码行数:101,代码来源:import2tablesVolume.hpp
示例18: main
int main()
{
// declare a map to handle the mesh
MAP myMap;
// add position attribute on vertices and get handler on it
VertexAttribute<VEC3, MAP> positionAtt = myMap.addAttribute<VEC3, VERTEX, MAP>("position");
if (!positionAtt.isValid())
std::cerr << "impossible to create an attribute with name position (already used ?)"<< std::endl;
// create a topo grid of 2x2 squares
Algo::Surface::Tilings::Square::Grid<PFP> grid(myMap, 2, 2, true);
// and embed it using position attribute
grid.embedIntoGrid(positionAtt, 1.,1.,0.);
VertexGeneric(myMap,positionAtt);
// ATTRIBUTE DECLARATION
// add an attribute of type float on orbit EDGE
EdgeAttribute<float, MAP> lengthAtt = myMap.addAttribute<float, EDGE, MAP>("length");
if (!lengthAtt.isValid())
std::cerr << "impossible to create the attribute"<< std::endl;
computeLengthEdges(myMap,positionAtt,lengthAtt);
// add an attribute of type std::string on orbit FACE
FaceAttribute<std::string, MAP> nameAtt = myMap.addAttribute<std::string, FACE, MAP>("name");
if (!nameAtt.isValid())
std::cerr << "impossible to create the attribute"<< std::endl;
// for complex type use following template (function nameOfType not applicable)
EdgeAttribute< NoTypeNameAttribute< std::vector<int> >, MAP> vectAtt = myMap.addAttribute< NoTypeNameAttribute< std::vector<int> >, EDGE, MAP>("vector_of_int");
if (!vectAtt.isValid())
std::cerr << "impossible to create the attribute"<< std::endl;
Dart d = myMap.begin();
// define a vertex from a dart
Vertex v(d);
// define a face from a dart
Face f(d);
// ATTRIBUTE ACCESS
// [] operator can take a dart, a cell (only same off attribute), or an unsigned inf
// access to any attributes with darts
std::cout << positionAtt[d]<< std::endl;
nameAtt[d] = "Hello";
lengthAtt[myMap.phi1(d)] = 54.0f;
std::vector<int> vi = {3,5,7,9,11};
vectAtt[d]= vi;
vectAtt[d].push_back(11);
// access to VertexAttribute with a Vertex
std::cout << positionAtt[v]<< std::endl;
// access to FaceAttribute with a Face
std::cout << nameAtt[f]<< std::endl;
// following line does not compile because of wrong cell type
// std::cout << positionAtt[f]<< std::endl;
// possible to bypass using dart access
std::cout << positionAtt[f.dart]<< std::endl;
// access with unsigned int is dangerous, index must be obtain with begin/end/next (see dumpAttribute)
// COPY, REMOVE, SWAP
// possible to have any number of attribute a same ORBIT
VertexAttribute<VEC3, MAP> position2Att = myMap.addAttribute<VEC3, VERTEX, MAP>("other_position");
// copy of attribute of same type (linear complexity)
myMap.copyAttribute(position2Att,positionAtt);
positionAtt[v] += VEC3(0,0,1);
computeNewPositions(myMap,positionAtt);
dumpAttribute(positionAtt);
//check if there is a Vertex Attribute of VEC3 named position => yes
testVAbyNames(myMap,"position");
// remove the attribute
myMap.removeAttribute(positionAtt);
//check if there is a Vertex Attribute of VEC3 named position => no
testVAbyNames(myMap,"position");
return 0;
}
开发者ID:Peiffert,项目名称:CGoGN,代码行数:94,代码来源:simple_attribs.cpp
示例19: fp
bool MeshTablesVolume<PFP>::importTet(const std::string& filename, std::vector<std::string>& attrNames)
{
VertexAttribute<VEC3, MAP> position = m_map.template getAttribute<VEC3, VERTEX, MAP>("position") ;
if (!position.isValid())
position = m_map.template addAttribute<VEC3, VERTEX, MAP>("position") ;
attrNames.push_back(position.name()) ;
AttributeContainer& container = m_map.template getAttributeContainer<VERTEX>() ;
//open file
std::ifstream fp(filename.c_str(), std::ios::in);
if (!fp.good())
{
CGoGNerr << "Unable to open file " << filename << CGoGNendl;
return false;
}
std::string ligne;
// reading number of vertices
std::getline (fp, ligne);
std::stringstream oss(ligne);
oss >> m_nbVertices;
// reading number of tetrahedra
std::getline (fp, ligne);
std::stringstream oss2(ligne);
oss2 >> m_nbVolumes;
//reading vertices
std::vector<unsigned int> verticesID;
verticesID.reserve(m_nbVertices);
for(unsigned int i = 0; i < m_nbVertices; ++i)
{
do
{
std::getline (fp, ligne);
} while (ligne.size() == 0);
std::stringstream oss(ligne);
float x,y,z;
oss >> x;
oss >> y;
oss >> z;
// TODO : if required read other vertices attributes here
VEC3 pos(x,y,z);
unsigned int id = container.insertLine();
position[id] = pos;
verticesID.push_back(id);
}
// reading volumes
m_nbFaces.reserve(m_nbVolumes*4);
m_emb.reserve(m_nbVolumes*12);
unsigned int nbc = 0;
for (unsigned int i = 0; i < m_nbVolumes ; ++i)
{
do
{
std::getline (fp, ligne);
} while (ligne.size()==0);
std::stringstream oss(ligne);
int n;
oss >> n; // type of volumes
if(!oss.good())
{
oss.clear();
char dummy;
oss >> dummy; // type of volumes
oss >> dummy;
if(dummy == 'C')// connector
{
++nbc;
m_nbFaces.push_back(3);
int s0,s1,s2,s3;
oss >> s0;
oss >> s1;
oss >> s2;
oss >> s3;
//std::cout << "connector " << s0 << " " << s1 << " " << s2 << " " << s3 << std::endl;
m_emb.push_back(verticesID[s0]);
m_emb.push_back(verticesID[s1]);
m_emb.push_back(verticesID[s2]);
m_emb.push_back(verticesID[s3]);
//.........这里部分代码省略.........
开发者ID:abletterer,项目名称:CGoGN-1,代码行数:101,代码来源:import2tablesVolume.hpp
示例20: fnode
bool MeshTablesVolume<PFP>::importNodeWithELERegions(const std::string& filenameNode, const std::string& filenameELE, std::vector<std::string>& attrNames)
{
VertexAttribute<VEC3> position = m_map.template getAttribute<VEC3, VERTEX>("position") ;
if (!position.isValid())
position = m_map.template addAttribute<VEC3, VERTEX>("position") ;
attrNames.push_back(position.name()) ;
AttributeContainer& container = m_map.template getAttributeContainer<VERTEX>() ;
//open file
std::ifstream fnode(filenameNode.c_str(), std::ios::in);
if (!fnode.good())
{
CGoGNerr << "Unable to open file " << filenameNode << CGoGNendl;
return false;
}
std::ifstream fele(filenameELE.c_str(), std::ios::in);
if (!fele.good())
{
CGoGNerr << "Unable to open file " << filenameELE << CGoGNendl;
return false;
}
std::string line;
//Reading NODE file
//First line: [# of points] [dimension (must be 3)] [# of attributes] [# of boundary markers (0 or 1)]
unsigned int nbe;
{
do
{
std::getline(fnode,line);
}while(line.size() == 0);
std::stringstream oss(line);
oss >> m_nbVertices;
oss >> nbe;
oss >> nbe;
oss >> nbe;
}
//Reading number of tetrahedra in ELE file
unsigned int nbv;
{
do
{
std::getline(fele,line);
}while(line.size() == 0);
std::stringstream oss(line);
oss >> m_nbVolumes;
oss >> nbv ;
oss >> nbv;
}
//Reading vertices
std::map<unsigned int,unsigned int> verticesMapID;
for(unsigned int i = 0 ; i < m_nbVertices ; ++i)
{
do
{
std::getline(fnode,line);
}while(line.size() == 0);
std::stringstream oss(line);
int idv;
oss >> idv;
float x,y,z;
oss >> x;
oss >> y;
oss >> z;
//we can read colors informations if exists
VEC3 pos(x,y,z);
unsigned int id = container.insertLine();
position[id] = pos;
verticesMapID.insert(std::pair<unsigned int, unsigned int>(idv,id));
}
// reading tetrahedra
m_nbFaces.reserve(m_nbVolumes*4);
m_emb.reserve(m_nbVolumes*12);
for(unsigned i = 0; i < m_nbVolumes ; ++i)
{
do
{
std::getline(fele,line);
} while(line.size() == 0);
std::stringstream oss(line);
oss >> nbe;
m_nbFaces.push_back(4);
//.........这里部分代码省略.........
开发者ID:cgogn,项目名称:Mesher,代码行数:101,代码来源:import2tablesVolume.hpp
注:本文中的VertexAttribute类示例由纯净天空整理自Github/MSDocs等源码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。 |
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