manolas
/
vcglib
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

Added reading and wrinting of polygon to simple ascii files

This commit is contained in:
Paolo Cignoni 2013-03-13 00:14:21 +00:00
parent 4253c2f3b6
commit 888b89f834
1 changed files with 69 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

71
vcg/space/poly_packer.h
View File

@ -58,9 +58,9 @@ public:
static Box2f getPolyOOBB(const std::vector<Point2x> &poly, float &rot)
{
const int stepNum=64;
const int stepNum=32;
float bestAngle;
float bestArea = std::numeric_limits<float>::max();
float bestArea = std::numeric_limits<float>::max();
Box2f bestBB;
for(int i=0;i<stepNum;++i)
@ -167,6 +167,73 @@ static bool PackAsObjectOrientedRect(const std::vector< std::vector<Point2x> > &
return ret;
}
static bool PackMultiAsObjectOrientedRect(const std::vector< std::vector<Point2x> > &polyVec,
const Point2x containerSizeX, const int containerNum,
std::vector<Similarity2x> &trVec, std::vector<int> &indVec,
std::vector<Point2x> &coveredContainerVec)
{
trVec.clear();
trVec.resize(polyVec.size());
std::vector<Box2x> bbVec;
std::vector<float> rotVec;
for(size_t i=0;i<polyVec.size();++i)
{
float rot;
bbVec.push_back(getPolyOOBB(polyVec[i],rot));
rotVec.push_back(rot);
}
bool ret= RectPacker<float>::PackMulti(bbVec,containerSizeX,containerNum,trVec,indVec,coveredContainerVec);
for(size_t i=0;i<polyVec.size();++i)
{
trVec[i].rotRad=rotVec[i];
}
return ret;
}
static bool WritePolyVec(const std::vector< std::vector<Point2x> > &polyVec, const char *filename)
{
FILE *fp=fopen(filename,"w");
if(!fp) return false;
fprintf(fp,"%lu\n",polyVec.size());
for(size_t i=0;i<polyVec.size();++i)
{
fprintf(fp,"%lu\n",polyVec[i].size());
for(size_t j=0;j<polyVec[i].size();++j)
fprintf(fp,"%f %f ",polyVec[i][j].X(),polyVec[i][j].Y());
fprintf(fp,"\n");
}
fclose(fp);
return true;
}
static bool ReadPolyVec(std::vector< std::vector<Point2x> > &polyVec, const char *filename)
{
FILE *fp=fopen(filename,"r");
if(!fp) return false;
int sz;
fscanf(fp,"%i\n",&sz);
polyVec.clear();
polyVec.resize(sz);
for(size_t i=0;i<polyVec.size();++i)
{
fscanf(fp,"%i\n",&sz);
polyVec[i].resize(sz);
for(size_t j=0;j<polyVec[i].size();++j)
{
float x,y;
fscanf(fp,"%f %f",&x,&y);
polyVec[i][j].X()=x;
polyVec[i][j].Y()=y;
}
}
fclose(fp);
return true;
}
}; // end class
} // end namespace vcg
#endif // POLY_PACKER_H