//----------------------------------------------------------------------------- // Export a triangle mesh, in the requested format. //----------------------------------------------------------------------------- void SolveSpace::ExportMeshTo(char *filename) { SMesh *m = &(SK.GetGroup(SS.GW.activeGroup)->displayMesh); if(m->IsEmpty()) { Error("Active group mesh is empty; nothing to export."); return; } FILE *f = fopen(filename, "wb"); if(!f) { Error("Couldn't write to '%s'", filename); return; } if(StringEndsIn(filename, ".stl")) { ExportMeshAsStlTo(f, m); } else if(StringEndsIn(filename, ".obj")) { ExportMeshAsObjTo(f, m); } else { Error("Can't identify output file type from file extension of " "filename '%s'; try .stl, .obj.", filename); } fclose(f); }
void SolveSpace::ExportViewOrWireframeTo(char *filename, bool wireframe) { int i; SEdgeList edges; ZERO(&edges); SBezierList beziers; ZERO(&beziers); SMesh *sm = NULL; if(SS.GW.showShaded) { Group *g = SK.GetGroup(SS.GW.activeGroup); g->GenerateDisplayItems(); sm = &(g->displayMesh); } if(sm && sm->IsEmpty()) { sm = NULL; } for(i = 0; i < SK.entity.n; i++) { Entity *e = &(SK.entity.elem[i]); if(!e->IsVisible()) continue; if(e->construction) continue; if(SS.exportPwlCurves || (sm && !SS.GW.showHdnLines) || fabs(SS.exportOffset) > LENGTH_EPS) { // We will be doing hidden line removal, which we can't do on // exact curves; so we need things broken down to pwls. Same // problem with cutter radius compensation. e->GenerateEdges(&edges); } else { e->GenerateBezierCurves(&beziers); } } if(SS.GW.showEdges) { Group *g = SK.GetGroup(SS.GW.activeGroup); g->GenerateDisplayItems(); SEdgeList *selr = &(g->displayEdges); SEdge *se; for(se = selr->l.First(); se; se = selr->l.NextAfter(se)) { edges.AddEdge(se->a, se->b, Style::SOLID_EDGE); } } if(SS.GW.showConstraints) { Constraint *c; for(c = SK.constraint.First(); c; c = SK.constraint.NextAfter(c)) { c->GetEdges(&edges); } } if(wireframe) { VectorFileWriter *out = VectorFileWriter::ForFile(filename); if(out) { ExportWireframeCurves(&edges, &beziers, out); } } else { Vector u = SS.GW.projRight, v = SS.GW.projUp, n = u.Cross(v), origin = SS.GW.offset.ScaledBy(-1); VectorFileWriter *out = VectorFileWriter::ForFile(filename); if(out) { ExportLinesAndMesh(&edges, &beziers, sm, u, v, n, origin, SS.CameraTangent()*SS.GW.scale, out); } if(out && !out->HasCanvasSize()) { // These file formats don't have a canvas size, so they just // get exported in the raw coordinate system. So indicate what // that was on-screen. SS.justExportedInfo.draw = true; SS.justExportedInfo.pt = origin; SS.justExportedInfo.u = u; SS.justExportedInfo.v = v; InvalidateGraphics(); } } edges.Clear(); beziers.Clear(); }