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Optimized BuildLevels.

This commit is contained in:
Federico Ponchio 2005-02-17 16:40:35 +00:00
parent 5fb9d84548
commit 2f2053878b
3 changed files with 19 additions and 7 deletions
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14
apps/nexus/history.cpp
View File

@ -24,6 +24,9 @@
History
$Log: not supported by cvs2svn $
Revision 1.5 2005/02/08 12:43:03 ponchio
Added copyright
****************************************************************************/
@ -325,7 +328,7 @@ bool History::UpdatesToQuick() {
return LoadPointers();
}
void History::BuildLevels(map<unsigned int, unsigned int> &levels) {
void History::BuildLevels(vector<int> &levels) {
levels.clear();
if(buffer) {
//Saved in quick mode:
@ -336,7 +339,8 @@ void History::BuildLevels(map<unsigned int, unsigned int> &levels) {
if(node != nodes) { //not root
Link *inlink = node->in_begin();
unsigned int p = inlink->begin()->patch;
assert(levels.count(p));
assert(p < levels.size());
assert(p >= 0);
current = levels[p]+1;
}
for(l = node->out_begin(); l != node->out_end(); l++) {
@ -344,12 +348,12 @@ void History::BuildLevels(map<unsigned int, unsigned int> &levels) {
Link::iterator c;
for(c = link.begin(); c != link.end(); c++) {
unsigned int p = (*c).patch;
while(p >= levels.size()) levels.push_back(-1);
levels[p] = current;
}
}
}
} else {
cerr << "updates.size: " << updates.size() << endl;
//Saved in updates mode:
for(unsigned int i = 0; i < updates.size(); i++) {
Update &u = updates[i];
@ -357,7 +361,9 @@ void History::BuildLevels(map<unsigned int, unsigned int> &levels) {
if(!u.erased.size()) current = 0;
else current = levels[u.erased[0]] + 1;
for(unsigned int i = 0; i < u.created.size(); i++) {
levels[u.created[i]] = current;
unsigned int p = u.created[i];
while(p >= levels.size()) levels.push_back(-1);
levels[p] = current;
}
}
}

5
apps/nexus/history.h
View File

@ -24,6 +24,9 @@
History
$Log: not supported by cvs2svn $
Revision 1.3 2005/02/08 12:43:03 ponchio
Added copyright
****************************************************************************/
@ -113,7 +116,7 @@ namespace nxs {
bool UpdatesToQuick();
bool IsQuick() { return buffer != NULL; }
void BuildLevels(std::map<unsigned int, unsigned int> &levels);
void BuildLevels(std::vector<int> &levels);
int &quick() { return ((int *)buffer)[0]; }
int &n_nodes() { return ((int *)buffer)[1]; }

7
apps/nexus/nxsalgo.cpp
View File

@ -24,6 +24,9 @@
History
$Log: not supported by cvs2svn $
Revision 1.17 2005/02/08 12:43:03 ponchio
Added copyright
****************************************************************************/
@ -81,7 +84,7 @@ void nxs::ComputeNormals(Nexus &nexus) {
tmpb.Flush();
map<unsigned int, unsigned int> levels;
vector<int> levels;
nexus.history.BuildLevels(levels);
//first step normals in the same patch.
@ -90,7 +93,7 @@ void nxs::ComputeNormals(Nexus &nexus) {
vector<Point3f> normals;
for(unsigned int p = 0; p < nexus.size(); p++) {
unsigned int current_level = levels[p];
int current_level = levels[p];
report.Step(p);
Patch &patch = nexus.GetPatch(p);