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output meshes sorted by volume

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Ioannis Farmakis
2025-03-18 21:01:55 +02:00
parent ad8c3332c5
commit 09d71570ab
1 changed files with 16 additions and 3 deletions
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src/qVoxFallProcess.cpp
+16 -3
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@@ -567,7 +567,7 @@ bool qVoxFallProcess::Compute(const qVoxFallDialog& dlg, QString& errorMessage,
s_VoxFallParams.nProgress = &nProgress;
s_VoxFallParams.volumes.reserve(s_VoxFallParams.clusterLabel);
s_VoxFallParams.volumes.resize(s_VoxFallParams.clusterLabel);
s_VoxFallParams.nonEmptyVoxelsVisited.resize(voxelGrid.innerCellCount(), false);
for (int label = 1; label < s_VoxFallParams.clusterLabel; ++label)
{
@@ -660,8 +660,21 @@ bool qVoxFallProcess::Compute(const qVoxFallDialog& dlg, QString& errorMessage,
//we create a new group to store all output meshes as 'VoxFall clusters'
ccHObject* ccGroup = new ccHObject(s_VoxFallParams.groupName);
for (int label = 1; label < s_VoxFallParams.clusterLabel; ++label)
//we pair volumes with the labels vector and sort them by volume
std::vector<std::pair<float, int>> pairVolumeLabel(s_VoxFallParams.volumes.size());
for (int i = 0; i < s_VoxFallParams.volumes.size(); i++)
{
pairVolumeLabel[i] = { s_VoxFallParams.volumes[i], i + 1};
}
std::sort(pairVolumeLabel.begin(), pairVolumeLabel.end(), [](const std::pair<float, int>& a, const std::pair<float, int>& b) {
return a.first > b.first; // Compare by the first element (int) in descending order
});
for (int k = 1; k < s_VoxFallParams.clusterLabel; k++)
{
auto volume = pairVolumeLabel[k - 1].first;
auto label = pairVolumeLabel[k - 1].second;
std::vector<unsigned int> indices;
auto it = std::find(s_VoxFallParams.clusters.begin(), s_VoxFallParams.clusters.end(), label);
while (it != s_VoxFallParams.clusters.end())
@@ -700,7 +713,7 @@ bool qVoxFallProcess::Compute(const qVoxFallDialog& dlg, QString& errorMessage,
return false;
}
}
clusterMesh->setName(QString("Cluster#%1 - (v: %2 m3)").arg(label).arg(s_VoxFallParams.volumes[label - 1]));
clusterMesh->setName(QString("Cluster#%1 - (v: %2 m3)").arg(label).arg(volume));
clusterMesh->computePerVertexNormals();
ccGroup->addChild(clusterMesh);
indices.clear();