void SAReader::read(SuffixArray* pSA)
{
size_t num_elems;
readHeader(pSA->m_numStrings, num_elems);
pSA->m_data.reserve(num_elems);
readElems(pSA->m_data);
}
int BEMReader::readModel(elem_map& elems, id_map& bodyIDs,
elem_map& bndrys, elem_map& bndryParents, node_map& nodes,
const ELEM_TYPE elemType, const std::set<unsigned int> elemBodies,
const ELEM_TYPE bndryType, const std::set<unsigned int> bndryBodies
){
//if meshFile ends with ".stl", ".obj", ".ply" etc. use VCG to read raw-mesh (nodes & elems, nothing more)
if( meshFile.find(".stl")!=meshFile.npos ||
meshFile.find(".obj")!=meshFile.npos ||
meshFile.find(".off")!=meshFile.npos ||
meshFile.find(".ply")!=meshFile.npos
){
printf("\n%% reading raw triangle mesh from %s (requires --remesh option)\n%%\t",meshFile.c_str());
return readVCG(meshFile,nodes,elems);
}
node_map nodes_in;
//elem_map elems_in;
int ret;
// read elements and nodes
ret=readElems(elems, elemType, elemBodies,ELEMENTS_FILE,&bodyIDs);
if(ret<0) return ret;
ret=readNodes(nodes_in);
if(ret<0) return ret;
// now switch to .boundary file
string tmp=elemFile;
elemFile=meshFile;
elemFile.append(".boundary");
ret=readElems(bndrys,bndryType,bndryBodies,BOUNDARY_FILE,NULL,&bndryParents,true);
// restore state of the BEMReader object
elemFile=tmp;
//if(ret<0) return ret; // it's ok to not have a boundary file, if there's no pre-defined cracks
// reading is complete, but for HyENA-BEM compatibility the nodes need to be numbered
// in the same order as they appear in the element map.
// run through the element map and decide new node numbers
id_map fwd;// bkwd; // fwd[old_id]=new_id, bkwd[new_id]=old_id
unsigned int new_id=NODE_BASE_INDEX;
for(elem_map::iterator i = elems.begin(); i!=elems.end(); ++i){
//run through all nodes of the element
for(elem_map::mapped_type::iterator j = i->second.begin(); j!=i->second.end(); ++j){
if(fwd.count(*j)==0){ // assing new number at first occurence of node
fwd[*j]=new_id; //bkwd[new_id]=*j;
new_id++;
}
(*j)=fwd[*j]; //update element
}
}
nodes.clear();
// copy from nodes_in to nodes while applying new numbering
for(node_map::iterator i = nodes_in.begin(); i!= nodes_in.end(); ++i){
nodes[fwd[i->first]] = i->second;
}
// apply new numbering to bndry elements
for(elem_map::iterator i = bndrys.begin(); i!=bndrys.end(); ++i){
for(elem_map::mapped_type::iterator j = i->second.begin(); j!=i->second.end(); ++j){
(*j)=fwd[*j]; //update element
}
}
return elems.size();
}
