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Fixed findCirclesGrid for the case of working with 'square' asymmetric patterns.

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This commit is contained in:
Ilya Lysenkov 2011-07-13 13:05:41 +00:00
parent d60349b1fc
commit 2c2d7d7bbd
2 changed files with 13 additions and 3 deletions
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12
modules/calib3d/src/circlesgrid.cpp
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@ -748,7 +748,13 @@ Mat CirclesGridFinder::rectifyGrid(Size detectedGridSize, const vector<Point2f>&
const Point2f offset(150, 150);
vector<Point2f> dstPoints;
for (int i = 0; i < detectedGridSize.height; i++)
bool isClockwiseBefore =
getDirection(centers[0], centers[detectedGridSize.width - 1], centers[centers.size() - 1]) < 0;
int iStart = isClockwiseBefore ? 0 : detectedGridSize.height - 1;
int iEnd = isClockwiseBefore ? detectedGridSize.height : -1;
int iStep = isClockwiseBefore ? 1 : -1;
for (int i = iStart; i != iEnd; i += iStep)
{
for (int j = 0; j < detectedGridSize.width; j++)
{
@ -1453,6 +1459,10 @@ void CirclesGridFinder::getCornerSegments(const vector<vector<size_t> > &points,
cout << "Corners are counterclockwise" << endl;
#endif
std::reverse(segments.begin(), segments.end());
std::reverse(cornerIndices.begin(), cornerIndices.end());
std::reverse(firstSteps.begin(), firstSteps.end());
std::reverse(secondSteps.begin(), secondSteps.end());
std::swap(firstSteps, secondSteps);
}
}