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corrected dxf export to manage 2D polylines

This commit is contained in:
Paolo Cignoni 2013-07-26 14:01:17 +00:00
parent b49b2ce1e8
commit 5092afeeb9
1 changed files with 101 additions and 56 deletions
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151
wrap/io_trimesh/export_dxf.h
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@ -39,71 +39,116 @@ This class encapsulate a filter for save dxf meshes.
class ExporterDXF class ExporterDXF
{ {
public: public:
///Standard call for saving a mesh ///Standard call for saving a mesh
static int Save(SaveMeshType &m, const char * filename) static int Save(SaveMeshType &m, const char * filename)
{ {
if(m.fn==0 && m.en != 0) return SaveEdge(m,filename);
FILE * o = fopen(filename,"w"); FILE * o = fopen(filename,"w");
if(o==NULL) return 1; if(o==NULL) return 1;
fprintf(o,"0\n"); fprintf(o,"0\n");
fprintf(o,"SECTION\n"); fprintf(o,"SECTION\n");
fprintf(o,"2\n"); fprintf(o,"2\n");
fprintf(o,"ENTITIES\n"); fprintf(o,"ENTITIES\n");
typename SaveMeshType::FaceIterator fi; typename SaveMeshType::FaceIterator fi;
for(fi=m.face.begin(); fi!=m.face.end(); ++fi) for(fi=m.face.begin(); fi!=m.face.end(); ++fi)
{ {
if (!fi->IsD()) if (!fi->IsD())
{ {
typename SaveMeshType::CoordType v0 = (*fi).V(0)->P(); typename SaveMeshType::CoordType v0 = (*fi).V(0)->P();
typename SaveMeshType::CoordType v1 = (*fi).V(1)->P(); typename SaveMeshType::CoordType v1 = (*fi).V(1)->P();
typename SaveMeshType::CoordType v2 = (*fi).V(2)->P(); typename SaveMeshType::CoordType v2 = (*fi).V(2)->P();
fprintf(o,"0\n"); fprintf(o,"3DFACE\n"); fprintf(o,"8\n"); fprintf(o,"0\n"); fprintf(o,"0\n"); fprintf(o,"3DFACE\n"); fprintf(o,"8\n"); fprintf(o,"0\n");
fprintf(o,"10\n"); fprintf(o,"%f\n", v0[0]); //X fprintf(o,"10\n"); fprintf(o,"%f\n", v0[0]); //X
fprintf(o,"20\n"); fprintf(o,"%f\n", v0[1]); //Y fprintf(o,"20\n"); fprintf(o,"%f\n", v0[1]); //Y
fprintf(o,"30\n"); fprintf(o,"%f\n", v0[2]); //Z fprintf(o,"30\n"); fprintf(o,"%f\n", v0[2]); //Z
fprintf(o,"11\n"); fprintf(o,"%f\n", v1[0]); //X fprintf(o,"11\n"); fprintf(o,"%f\n", v1[0]); //X
fprintf(o,"21\n"); fprintf(o,"%f\n", v1[1]); //Y fprintf(o,"21\n"); fprintf(o,"%f\n", v1[1]); //Y
fprintf(o,"31\n"); fprintf(o,"%f\n", v1[2]); //Z fprintf(o,"31\n"); fprintf(o,"%f\n", v1[2]); //Z
fprintf(o,"12\n"); fprintf(o,"%f\n", v2[0]); //X fprintf(o,"12\n"); fprintf(o,"%f\n", v2[0]); //X
fprintf(o,"22\n"); fprintf(o,"%f\n", v2[1]); //Y fprintf(o,"22\n"); fprintf(o,"%f\n", v2[1]); //Y
fprintf(o,"32\n"); fprintf(o,"%f\n", v2[2]); //Z fprintf(o,"32\n"); fprintf(o,"%f\n", v2[2]); //Z
fprintf(o,"13\n"); fprintf(o,"%f\n", v2[0]); //X fprintf(o,"13\n"); fprintf(o,"%f\n", v2[0]); //X
fprintf(o,"23\n"); fprintf(o,"%f\n", v2[1]); //Y fprintf(o,"23\n"); fprintf(o,"%f\n", v2[1]); //Y
fprintf(o,"33\n"); fprintf(o,"%f\n", v2[2]); //Z fprintf(o,"33\n"); fprintf(o,"%f\n", v2[2]); //Z
} }
} }
fprintf(o,"0\n"); fprintf(o,"0\n");
fprintf(o,"ENDSEC\n"); fprintf(o,"ENDSEC\n");
fprintf(o,"0\n"); fprintf(o,"0\n");
fprintf(o,"EOF\n"); fprintf(o,"EOF\n");
fclose(o); fclose(o);
return 0; return 0;
} }
/// Standard call for knowing the meaning of an error code /// Standard call for knowing the meaning of an error code
static const char *ErrorMsg(int error) static const char *ErrorMsg(int error)
{ {
static std::vector<std::string> dxf_error_msg; static std::vector<std::string> dxf_error_msg;
if(dxf_error_msg.empty()) if(dxf_error_msg.empty())
{ {
dxf_error_msg.resize(2 ); dxf_error_msg.resize(2 );
dxf_error_msg[0]="No errors"; dxf_error_msg[0]="No errors";
dxf_error_msg[1]="Can't open file"; dxf_error_msg[1]="Can't open file";
} }
if(error>1 || error<0) return "Unknown error"; if(error>1 || error<0) return "Unknown error";
else return dxf_error_msg[error].c_str(); else return dxf_error_msg[error].c_str();
} }
static bool SaveEdge(SaveMeshType &mp, const char * filename)
{
FILE * o = fopen(filename,"w");
if(o==NULL) return 1;
fprintf(o,"0\n");
fprintf(o,"SECTION\n");
fprintf(o,"2\n");
fprintf(o,"ENTITIES\n");
typename SaveMeshType::EdgeIterator ei;
for(ei=mp.edge.begin(); ei!=mp.edge.end();++ei)
{
Point3f p1 = (*ei).V(0)->P();
Point3f p2 = (*ei).V(1)->P();
fprintf(o,"0\n");
fprintf(o,"LINE\n");
fprintf(o,"8\n");
fprintf(o,"0\n");
fprintf(o,"10\n");
fprintf(o,"%f\n", p1[0]); //X
fprintf(o,"20\n");
fprintf(o,"%f\n", p1[1]); //Y
fprintf(o,"30\n");
fprintf(o,"%f\n", p1[2]); //Z
fprintf(o,"11\n");
fprintf(o,"%f\n", p2[0]); //X
fprintf(o,"21\n");
fprintf(o,"%f\n", p2[1]); //Y
fprintf(o,"31\n");
fprintf(o,"%f\n", p2[2]); //Z
}
fprintf(o,"0\n");
fprintf(o,"ENDSEC\n");
fprintf(o,"0\n");
fprintf(o,"EOF\n");
fclose(o);
return true;
}
}; // end class }; // end class
} // end Namespace tri
} // end Namespace io } // end Namespace io
} // end Namespace tri
} // end Namespace vcg } // end Namespace vcg
#endif #endif