"int pnpoly(int npol, float *xp, float *yp, float x, float y)
{
int i, j, c = 0;
for (i = 0, j = npol-1; i < npol; j = i++) {
if ((((yp<=y) && if (y))) &&
(x < (xp[j] - xp) * (y - yp) / (yp[j] - yp) + xp))
c = !c;
}
return c;
}
"
hmm snippets on these are hard to post here </i>
Can someone interpret this please !
March 02, 2000 02:54 AM
Can somwone interpret this in to non -c pseudo code or vb code please
"int pnpoly(int npol, float *xp, float *yp, float x, float y)
{
int i, j, c = 0;
for (i = 0, j = npol-1; i < npol; j = i++) {
if ((((yp<=y) && if (y))) &&
(x < (xp[j] - xp) * (y - yp) / (yp[j] - yp) + xp))
c = !c;
}
return c;
}
"
hmm snippets on these are hard to post here </i>
"int pnpoly(int npol, float *xp, float *yp, float x, float y)
{
int i, j, c = 0;
for (i = 0, j = npol-1; i < npol; j = i++) {
if ((((yp<=y) && if (y))) &&
(x < (xp[j] - xp) * (y - yp) / (yp[j] - yp) + xp))
c = !c;
}
return c;
}
"
hmm snippets on these are hard to post here </i>
March 02, 2000 02:58 AM
Bah.. it still isnt posting write
its suppose to be a formula for finding if a point exists in a polygon.
Anyone know a formula for this ?
its suppose to be a formula for finding if a point exists in a polygon.
Anyone know a formula for this ?
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