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Fixed erroneous handling of zones with exact same leakage value in jozov2.

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This commit is contained in:
Guilhem Lavaux 2013-04-04 12:04:52 -05:00
parent 85546379cf
commit 96b0ba3154
1 changed files with 36 additions and 16 deletions
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52
c_tools/zobov2/jozov2_watershed.cpp
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@ -18,16 +18,17 @@ struct ZoneDensityPair
{
int h;
double density;
double core;
bool operator<(const ZoneDensityPair& p2) const
{
return density > p2.density;
return (density > p2.density) || (density==p2.density && core > p2.core);
}
};
typedef priority_queue<ZoneDensityPair> ZoneQueue;
static void build_process_queue(ZoneQueue& q, ZONE *z, char *inyet, int h)
static void build_process_queue(ZoneQueue& q, ZONE *z, PARTICLE *p, char *inyet, int h)
{
ZoneDensityPair zdp;
ZONE& z_h = z[h];
@ -38,6 +39,7 @@ static void build_process_queue(ZoneQueue& q, ZONE *z, char *inyet, int h)
{
zdp.h = z_h.adj[za];
zdp.density = z_h.slv[za];
zdp.core = p[z[zdp.h].core].dens;
if (inyet[zdp.h] == 0)
{
q.push(zdp);
@ -72,32 +74,34 @@ void doWatershed(PARTICLE *p, pid_t np, ZONE *z, int numZones, float maxvol, flo
for (int h = 0; h < numZones; h++)
{
int nhlcount = 0;
float lowvol, z_cur_core_dens;
float previous_lowvol = BIGFLT, lowvol, z_cur_core_dens;
bool beaten;
priority_queue<ZoneDensityPair> to_process;
int link0;
int save_nhl;
pid_t save_npjoin;
for (int hl = 0; hl < nhl; hl++)
inyet[zonelist[hl]] = 0;
zonelist[0] = h;
inyet[h] = 1;
nhl = 1;
z[h].npjoin = z[h].np;
save_nhl = nhl = 1;
save_npjoin = z[h].npjoin = z[h].np;
z_cur_core_dens = p[z[h].core].dens;
build_process_queue(to_process, z, inyet, h);
build_process_queue(to_process, z, p, inyet, h);
do {
/* Find the lowest-volume (highest-density) adjacency */
int nl = 0;
beaten = false;
if (to_process.empty())
{
beaten = true;
z[h].leak = maxvol;
save_npjoin = z[h].npjoin;
save_nhl = nhl;
continue;
}
@ -111,13 +115,21 @@ void doWatershed(PARTICLE *p, pid_t np, ZONE *z, int numZones, float maxvol, flo
if (to_process.empty())
{
save_npjoin = z[h].npjoin;
save_nhl = nhl;
beaten = true;
z[h].leak = maxvol;
continue;
}
nl++;
/* See if there's a beater */
if (previous_lowvol != lowvol)
{
save_npjoin = z[h].npjoin;
save_nhl = nhl;
previous_lowvol = lowvol;
}
if (lowvol > voltol)
{
beaten = true;
@ -177,16 +189,17 @@ void doWatershed(PARTICLE *p, pid_t np, ZONE *z, int numZones, float maxvol, flo
if (beaten) {
z[h].leak = lowvol;
} else {
for (int h2 = 0; h2 < nhl2; h2++) {
int new_h = zonelist2[h2];
zonelist[nhl] = new_h;
assert(inyet[new_h] == 0);
z[h].npjoin += z[new_h].np;
inyet[new_h] = 1;
if (inyet2[new_h] != 2)
build_process_queue(to_process, z, inyet, new_h);
build_process_queue(to_process, z, p, inyet, new_h);
nhl++;
z[h].npjoin += z[new_h].np;
}
}
@ -201,6 +214,12 @@ void doWatershed(PARTICLE *p, pid_t np, ZONE *z, int numZones, float maxvol, flo
}
}
while((lowvol < BIGFLT) && (!beaten));
if (!beaten)
{
save_npjoin = z[h].npjoin;
save_nhl = nhl;
}
z[h].denscontrast = z[h].leak/p[z[h].core].dens;
if (z[h].denscontrast < 1.)
@ -214,15 +233,16 @@ void doWatershed(PARTICLE *p, pid_t np, ZONE *z, int numZones, float maxvol, flo
FF;
}
/* Calculate volume */
z[h].npjoin = save_npjoin;
z[h].voljoin = 0.;
z[h].zonelist = new int[nhl];
z[h].numzones = nhl;
for (int q = 0; q < nhl; q++) {
z[h].zonelist = new int[save_nhl];
z[h].numzones = save_nhl;
for (int q = 0; q < save_nhl; q++) {
z[h].voljoin += z[zonelist[q]].vol;
z[h].zonelist[q] = zonelist[q];
}
z[h].nhl = nhl;
z[h].nhl = save_nhl;
}
delete[] zonelist;
delete[] zonelist2;