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Copy pathSkeleton.cpp
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Copy pathSkeleton.cpp
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64 lines (48 loc) · 1.23 KB
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#include <util/assert.h>
#include "Skeleton.h"
Skeleton::Skeleton() {}
Skeleton::Skeleton(const Skeleton& other) :
GraphVolume(other) {
copy(other);
}
Skeleton&
Skeleton::operator=(const Skeleton& other) {
GraphVolume::operator=(other);
copy(other);
return *this;
}
void
Skeleton::copy(const Skeleton& other) {
_currentSegmentPath = other._currentSegmentPath;
_prevNode = other._prevNode;
for (NodeIt n(graph()); n != lemon::INVALID; ++n)
(*_diameters)[n] = other.diameters()[n];
}
Skeleton::Node
Skeleton::openSegment(Position pos, float diameter) {
Node node = extendSegment(pos, diameter);
_currentSegmentPath.push(node);
return node;
}
Skeleton::Node
Skeleton::extendSegment(Position pos, float diameter) {
Node node = graph().addNode();
positions()[node] = pos;
diameters()[node] = diameter;
if (_prevNode != lemon::INVALID)
graph().addEdge(_prevNode, node);
_prevNode = node;
return node;
}
void
Skeleton::closeSegment() {
if (_currentSegmentPath.size() == 0)
UTIL_THROW_EXCEPTION(
UsageError,
"closeSegment() called without prior call to openSegment()");
_currentSegmentPath.pop();
if (_currentSegmentPath.size() > 0)
_prevNode = _currentSegmentPath.top();
else
_prevNode = Node(lemon::INVALID);
}