20#include "hdrl_cat_apline.h"
58void hdrl_apline( ap_t *ap,
double dat[],
double conf[],
double smoothed[],
59 double smoothedc[], cpl_size j,
unsigned char *bpm)
61 double i2compare = ap->thresh;
62 double icompare = i2compare * (double)ap->multiply;
63 unsigned char *mflag = ap->mflag;
65 for (cpl_size i = 0; i < ap->lsiz; i++) {
67 if (smoothedc[i] > icompare && conf[i] != 0) {
70 cpl_size is = ap->lastline[i];
71 cpl_size ip = ap->lastline[i + 1];
79 ip = ap->pstack[ap->ipstack++];
81 ap->parent[ip].first = ap->bstack[ap->ibstack];
82 ap->parent[ip].pnop = 0;
83 ap->parent[ip].pnbp = 0;
84 ap->parent[ip].growing = 0;
87 ap->parent[ip].touch = 1;
89 ap->parent[ip].touch = 0;
103 }
else if ((ip > 0 && is > 0) && (ip != is)) {
106 ap->blink[ap->parent[ip].last] = ap->parent[is].first;
109 ap->parent[ip].last = ap->parent[is].last;
110 ap->parent[ip].pnop += ap->parent[is].pnop;
111 ap->parent[ip].pnbp += ap->parent[is].pnbp;
114 cpl_size ib = ap->parent[is].first;
119 cpl_size i1 = ap->plessey[ib].x;
121 if (ap->lastline[i1 + 1] == is) {
122 ap->lastline[i1 + 1] = ip;
125 if (ap->parent[is].last == ib) {
133 ap->parent[is].pnop = -1;
134 ap->parent[is].pnbp = -1;
137 ap->pstack[--ap->ipstack] = is;
141 cpl_size ib = ap->bstack[ap->ibstack++];
144 if (ap->parent[ip].pnop > 0) {
145 ap->blink[ap->parent[ip].last] = ib;
149 ap->parent[ip].last = ib;
152 ap->plessey[ib].x = i;
153 ap->plessey[ib].y = j;
154 ap->plessey[ib].z = dat[i];
156 cpl_size nn = j*ap->lsiz + i;
157 if (mflag[nn] != MF_SATURATED) {
158 ap->plessey[ib].zsm = CPL_MIN(ap->saturation,smoothed[i]);
160 ap->plessey[ib].zsm = ap->saturation;
162 mflag[nn] = MF_POSSIBLEOBJ;
165 ap->parent[ip].pnop++;
167 ap->parent[ip].pnbp += bpm[i];
171 ap->lastline[i + 1] = ip;
176 ap->lastline[i + 1] = 0;
182 if (ap->lastline[1] > 0 ) {
183 ap->parent[ap->lastline[1]].touch |= 2;
186 if (ap->lastline[ap->lsiz] > 0) {
187 ap->parent[ap->lastline[ap->lsiz]].touch |= 4;
void hdrl_apline(ap_t *ap, double dat[], double conf[], double smoothed[], double smoothedc[], cpl_size j, unsigned char *bpm)
Detect objects on a line of data.