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Fixing chessboard generation #1572

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This commit is contained in:
matlabbe
2025-09-03 15:59:37 -07:00
parent 52e770e2d4
commit 349580299c
2 changed files with 11 additions and 10 deletions
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17
guilib/src/CalibrationDialog.cpp
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@@ -250,17 +250,18 @@ void CalibrationDialog::resetSettings()
cv::Mat drawChessboard(int squareSize, int boardWidth, int boardHeight, int borderSize)
{
int imageWidth = squareSize*boardWidth + borderSize;
int imageHeight = squareSize*boardHeight + borderSize;
cv::Mat chessboard(imageWidth, imageHeight, CV_8UC1, 255);
unsigned char color = 0;
int imageWidth = squareSize*(boardWidth+1) + 2*borderSize;
int imageHeight = squareSize*(boardHeight+1) + 2*borderSize;
cv::Mat chessboard(imageHeight, imageWidth, CV_8UC1, 255);
unsigned char rowColor = 0;
for(int i=borderSize;i<imageHeight-borderSize; i=i+squareSize) {
color=~color;
unsigned char colColor = rowColor;
for(int j=borderSize;j<imageWidth-borderSize;j=j+squareSize) {
cv::Mat roi=chessboard(cv::Rect(i,j,squareSize,squareSize));
roi.setTo(color);
color=~color;
cv::Mat roi=chessboard(cv::Rect(j,i,squareSize,squareSize));
roi.setTo(colColor);
colColor=~colColor;
}
rowColor = ~rowColor;
}
return chessboard;
}

4
guilib/src/ui/calibrationDialog.ui
View File

@@ -360,7 +360,7 @@
<bool>false</bool>
</property>
<property name="minimum">
<number>2</number>
<number>3</number>
</property>
<property name="value">
<number>8</number>
@@ -373,7 +373,7 @@
<bool>false</bool>
</property>
<property name="minimum">
<number>2</number>
<number>3</number>
</property>
<property name="value">
<number>6</number>