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David Cazier
CGoGN
Commits
887a19c7
Commit
887a19c7
authored
Sep 12, 2012
by
Basile Sauvage
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voronoi centroidaux
parent
4b7fbbef
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1
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1 changed file
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23 additions
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40 deletions
+23
-40
include/Algo/Geometry/voronoiDiagrams.hpp
include/Algo/Geometry/voronoiDiagrams.hpp
+23
-40
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include/Algo/Geometry/voronoiDiagrams.hpp
View file @
887a19c7
...
...
@@ -140,7 +140,7 @@ void VoronoiDiagram<PFP>::computeDiagram ()
template
<
typename
PFP
>
void
VoronoiDiagram
<
PFP
>::
computeDistancesWithinRegion
(
Dart
seed
)
{
// TODO : this algo has not yet been tested
{
// init
front
.
clear
();
vmReached
.
unmarkAll
();
...
...
@@ -257,31 +257,6 @@ unsigned int CentroidalVoronoiDiagram<PFP>::moveSeedsOneEdgeNoCheck(){
return
m
;
}
template <typename PFP>
unsigned int CentroidalVoronoiDiagram<PFP>::moveSeedsOneEdgeCheck(){
// TODO : probable bug (memoire ?) car les iterations ralentissent inexplicablement
unsigned int m = 0;
for (unsigned int i = 0; i < this->seeds.size(); i++)
{
Dart oldSeed = this->seeds[i];
Dart newSeed = selectBestNeighborFromSeed(i);
// move the seed
if (newSeed != oldSeed)
{
REAL regionEnergy = distances[oldSeed];
this->computeDistancesWithinRegion(newSeed);
cumulateEnergyFromRoot(newSeed);
if (distances[newSeed] < regionEnergy)
{
this->seeds[i] = newSeed;
m++;
}
}
}
return m;
}
/*
template
<
typename
PFP
>
unsigned
int
CentroidalVoronoiDiagram
<
PFP
>::
moveSeedsOneEdgeCheck
(){
// TODO : probable bug (memoire ?) car les iterations ralentissent inexplicablement
...
...
@@ -301,34 +276,42 @@ unsigned int CentroidalVoronoiDiagram<PFP>::moveSeedsOneEdgeCheck(){
if
(
distances
[
newSeed
]
<
regionEnergy
)
m
++
;
else
this->seeds[i] =
new
Seed;
this
->
seeds
[
i
]
=
old
Seed
;
}
}
return
m
;
}
*/
template
<
typename
PFP
>
unsigned
int
CentroidalVoronoiDiagram
<
PFP
>::
moveSeedsToMedioid
(){
unsigned
int
m
=
0
;
/*
for (unsigned int i = 0; i < this->seeds.size(); i++)
for
(
unsigned
int
i
=
0
;
i
<
this
->
seeds
.
size
();
i
++
)
{
Dart oldSeed = this->seeds[i];
Dart newSeed = selectBestNeighborFromSeed(i);
Dart
oldSeed
,
newSeed
;
unsigned
int
seedMoved
=
0
;
REAL regionEnergy
= distances[oldSeed]
;
REAL
regionEnergy
;
// move the seed
while (newSeed != oldSeed)
do
{
this->cumulateEnergyAndGradientFromSeed(numSeed);
cumulateEnergyFromRoot(newSeed);
oldSeed
=
this
->
seeds
[
i
];
regionEnergy
=
distances
[
oldSeed
];
newSeed
=
selectBestNeighborFromSeed
(
i
);
this
->
seeds
[
i
]
=
newSeed
;
this
->
computeDistancesWithinRegion
(
newSeed
);
cumulateEnergyAndGradientFromSeed
(
i
);
if
(
distances
[
newSeed
]
<
regionEnergy
)
seedMoved
=
1
;
else
{
this->seeds[i] =
new
Seed;
m++
;
this
->
seeds
[
i
]
=
old
Seed
;
newSeed
=
oldSeed
;
}
}
} */
}
while
(
newSeed
!=
oldSeed
);
m
+=
seedMoved
;
}
return
m
;
}
...
...
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