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 How do I get the bar width?

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T O P I C    R E V I E W
save0804 Posted - Dec 02 2020 : 18:24:09
How do I get the 4 bar width?
1   L A T E S T    R E P L I E S    (Newest First)
xequte Posted - Dec 03 2020 : 01:09:23
Hi

1. Convert it to B+W:
https://www.imageen.com/help/TImageEnProc.ConvertToBWThreshold.html

2. Iterate over the scanlines, working from right to left until you find the first black pixel:

https://www.imageen.com/help/TIEBitmap.ScanLine.html


Alternatively, if you have IEVision you might find a good solution using Hough Lines:

https://www.imageen.com/help/TIEVisionImage.houghLinesP.html

Try the demo:

\Demos\Testing\IEVision\LinesDetect\LinesDetect.dpr



Nigel
Xequte Software
www.imageen.com