129 lines
3.8 KiB
C++
129 lines
3.8 KiB
C++
#include "meshutil.h"
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#include "getvalue.h"
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void MeshExporter::write(ostream &file, const Array<rVector3d> &pts, const LinkedList<iVector3d> &poly, const Array<Real> &ptsdata) {
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LinkedList<Array<int> > apoly;
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LinkedListFixedVector_to_LinkedListArray(&apoly,poly);
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write(file,pts,apoly,ptsdata);
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}
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void MeshExporter::write(ostream &file, const Array<Array<Real> > &pts, const LinkedList<Array<int> > &poly, const Array<Real> &ptsdata) {
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Array<rVector3d> fpts;
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ArrayArray_to_ArrayFixedVector(&fpts,pts);
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write(file,fpts,poly,ptsdata);
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}
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void VTKMeshExporter::write(ostream &file, const Array<rVector3d> &pts, const LinkedList<Array<int> > &poly, const Array<Real> &ptsdata) {
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if (pts.get_size()==0 || poly.get_size()==0) return;
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file << "# vtk DataFile Version 3.0" << endl;
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file << "vtk output" << endl;
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file << "ASCII" << endl;
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file << "DATASET POLYDATA" << endl;
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file << "POINTS " << pts.get_size() << " float" << endl;
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for (int p=0; p<pts.get_size(); p++) {
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file << pts(p) << endl;
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}
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LinkedListIterator<Array<int> > t(poly);
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int polytype=t->get_size();
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if (polytype==2) {
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file << "LINES ";
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}
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else {
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file << "POLYGONS ";
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}
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file << poly.get_size() << " " << poly.get_size()*(polytype+1) <<endl;
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for (; t; t++) {
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file << t->get_size();
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for (int i=0; i<t->get_size(); i++) {
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file << " " << (*t)(i);
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}
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file << endl;
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}
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if (ptsdata.get_size()>0) {
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file << "POINT_DATA " << pts.get_size() << endl;
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file << "SCALARS mycolor float 1" << endl;
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file << "LOOKUP_TABLE default" << endl;
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for (int p=0; p<pts.get_size(); p++) {
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file << ptsdata(p%ptsdata.get_size()) << endl;
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}
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}
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}
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GenericPlugIn<MeshExporter> *GenericPlugIn<MeshExporter>::list=NULL;
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SpecificPlugIn<MeshExporter,VTKMeshExporter> VTKPlugIn("vtk");
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void combine_mesh(LinkedList<rVector3d> *ppts, LinkedList<Array<int> > *ppoly, const Array<rVector3d> &newpts, const LinkedList<Array<int> > &newpoly) {
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int shift=ppts->get_size();
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LinkedListIterator<Array<int> > it(newpoly);
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for (; it; it++) {
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Array<int> *p=new Array<int>(*it);
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(*ppoly) << p;
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for (int i=0; i<p->get_size(); i++) {
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(*p)(i)+=shift;
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}
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}
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(*ppts) << newpts;
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}
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void transform(Array<rVector3d> *ptpts, const Array<rVector3d> pts, const rMatrix3d &op, const rVector3d &trans) {
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ptpts->resize(pts.get_size());
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for (int i=0; i<pts.get_size(); i++) {
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(*ptpts)(i)=op*pts(i)+trans;
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}
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}
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int PolyFont3D::init(ifstream &file) {
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AutoString dummy;
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get_string(&dummy,file,"\n");
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while (!file.eof()) {
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get_string(&dummy,file," ");
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skip_delim(file," ");
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char c;
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file.get(c);
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get_string(&dummy,file," ");
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file >> charwidth(c);
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get_string(&dummy,file," ");
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int numpts;
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file >> numpts;
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charpts(c).resize(numpts);
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for (int i=0; i<numpts; i++) {
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file >> charpts(c)(i);
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}
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get_string(&dummy,file," ");
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int numpoly;
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file >> numpoly;
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for (int i=0; i<numpoly; i++) {
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Array<int> *ppoly=new Array<int>();
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file >> (*ppoly);
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charpoly(c) << ppoly;
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}
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get_string(&dummy,file,"\n");
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}
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charwidth(' ')=0.5;
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}
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void PolyFont3D::write(LinkedList<rVector3d> *plistpts, LinkedList<Array<int> > *plistpoly, const rVector3d &where, const rVector3d &right, const rVector3d &up, char *string) {
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rMatrix3d rot;
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rot.set_column(0,right);
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rot.set_column(1,up);
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rot.set_column(2,right^up);
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rVector3d t(where);
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for (int i=0; i<strlen(string); i++) {
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char c=string[i];
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Array<rVector3d> tpts;
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transform(&tpts,charpts(c),rot,t);
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combine_mesh(plistpts,plistpoly,tpts,charpoly(c));
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t+=right*(charwidth(c)+spacing);
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}
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}
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Real PolyFont3D::get_length(char *string, int includelast) {
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Real len=0;
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for (int i=0; i<strlen(string); i++) {
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len+=charwidth(string[i]);
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}
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len+=spacing*(Real)(strlen(string)-1+includelast);
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return len;
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}
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