iis: morph.cpp File Reference

01173 {
01174   double d = dist(x1,y1,x2,y2);
01175   if (d==0) return 1;
01176   return 0.5/d;
01177 }

00003 {
00004   double x = x1-x0;
00005   double y = y1-y0;
00006   x*=x;
00007   y*=y;
00008   double d = x+y;
00009   d = (double) (sqrt(d) + 1);
00010   return d;
00011 }

00818 {
00819   int * result = new int[points];
00820   count = 0;
00821   double largestx = -1;
00822   int idx = -1;
00823   for(int i = 0 ; i < points; i++)
00824     if (enabled[i] && x[i]>largestx)
00825       largestx=x[idx=i];
00826   if (idx==-1) 
00827     {
00828       printf("No points left\n");
00829       return NULL;
00830     }
00831   result[count++]=idx;
00832   printf("pointidx %d\n",idx);
00833   
00834   while(true)
00835     {
00836       bool added_something = false;
00837       for(int i = 0 ; i < points; i++)
00838         {
00839           if (!enabled[i]) continue;
00840           bool already_in_result = false;
00841           for(int k = 0 ; k < count ; k++)
00842             if (result[k]==i) already_in_result = true;
00843           if (already_in_result) continue;
00844           int j;
00845           for(j = 0 ; j < points; j++)
00846             {
00847               if (!enabled[j]) continue;
00848               if (j==result[count-1]) continue;
00849               if (j==i) continue;
00850               if (side(x[j],
00851                        y[j],
00852                        x[result[count-1]],
00853                        y[result[count-1]],
00854                        x[i],
00855                        y[i])>0) break;
00856             }
00857           if (j==points)
00858             {
00859               printf("pointidx %d\n",i);
00860               added_something = true;
00861               result[count++]=i;
00862               assert(count < 1000);
00863               break;
00864             }
00865         }
00866       if (!added_something) return result;
00867     }
00868 }

00005 {
00006   if (a<b) return a;
00007   return b;
00008 }

00880 {
00881   ax-=bx;
00882   ay-=by;
00883   cx-=bx;
00884   cy-=by;
00885   tx = ax + cx;
00886   ty = ay + cy;
00887   double d = dist(0,0,tx,ty);
00888   tx /= d;
00889   ty /= d;
00890   tx *= 40;
00891   ty *= 40;
00892   tx = ix - tx;
00893   ty = iy - ty;
00894 }

00020 {
00021   double dx = x2-x1;
00022   double dy = y2-y1;
00023   x = x1 + dx*pct;
00024   y = y1 + dy*pct;
00025 }

01157 {
01158   while (a<0) a+=2*M_PI;
01159   while (a>=2*M_PI) a-=2*M_PI;
01160   bool r = a<=M_PI/2;
01161   return r;
01162 }

01165 {
01166   while (a<0) a+=2*M_PI;
01167   while (a>=2*M_PI) a-=2*M_PI;
01168   bool r = a>=3*M_PI/2;
01169   return r;
01170 }

00599 {
00600   return sign( (a-x1)*(y2-y1) - (b-y1)*(x2-x1) );
00601 }

00013 {
00014   if (b>0) return 1;
00015   if (b<0) return -1;
00016   return 0;
00017 }

00462 {
00463   return "NetPoint-type";
00464 }


Classes
class	NetPoint
class	Triangle
Functions
double	min (double a, double b)
double	dist (double, double, double, double)
int	sign (double b)
void	pos (double x1, double y1, double x2, double y2, double pct, double &x, double &y)
QString	type_name (NetPoint)
int	side (double a, double b, double x1, double y1, double x2, double y2)
int *	getRing (double x, double y, int &count, bool *enabled, int points)
void	newpoint (double ax, double ay, double bx, double by, double cx, double cy, double ix, double iy, double &tx, double &ty)
bool	Q1 (double a)
bool	Q3 (double a)
double	calc_step (double x1, double y1, double x2, double y2)

morph.cpp File Reference

Classes

Functions

Function Documentation