void GraphvizPlotter::plot() {
if(path.length() == 0) {
throw "Path is empty";
}
if(name.length() == 0) {
throw "Name is empty";
}
// nacte nastaveny format grafu
std::string format = getStringOutputFormat();
// vytvori konecne umisteni a nazev souboru
std::string filename = path + name + "." + format;
// vytvori potrebne struktury graphvizu
GVC_t *gvc;
Agraph_t *g;
gvc = gvContext();
// parsovani ze struktury DOT do interni reprezentace graphvizu
g = agmemread(getDot().c_str());
// pouziti defaultniho nastroje dot
gvLayout(gvc, g, "dot");
// vykresleni grafu do souboru
gvRenderFilename(gvc, g, format.c_str(), filename.c_str());
// uvolneni vsech struktur graphvizu z pameti
gvFreeLayout(gvc, g);
agclose(g);
}
void DotMatrix::reverseDot(byte col, byte row)
{
this->setDot(col, row, !getDot(col, row));
}
double getAngle (Vector a, Vector b) { return acos(getDot(a, b) / getLength(a) / getLength(b)); }
double getLength (Vector a) { return sqrt(getDot(a, a)); }
float Vector2Df::getLength() const {
return sqrt( getDot(*this) );
}
Point3 getPlaneProjection (Point3 p, Point3 p0, Vector3 v) { return p - v * getDot(p-p0, v); }
double getDistancePointToPlane (Point3 p, Point3 p0, Vector3 v) { return fabs(getDot(p-p0, v)); }
