Marco Ziegenmeyer

What's happening?

Comment: cvLine crashes with floating point exception

Logged In: YES user_id=1063808 We have re-tested the above code snippet and have to appologize for several imprecise and erroneous statements: With opencv-win 1.0 there is an opencv error instead of a floating point exception for image width = 3: OpenCV GUI Error Handler: One of arguments' values is out of range (Image width or height are negative) in function cvClipLine...

2006-10-24 15:21:10 UTC in Open Computer Vision Library
Comment: cvLine crashes with floating point exception

Logged In: YES user_id=1063808 Thank you for your fast response. There are also problems with image width >=5, e.g. 13. As mentioned above, sometimes the line is not drawn in the middle of the image as intended, but somewhere in the lower half of the image instead. Moreover the line sometimes starts in the middle (x position) of the image and is continued in the following image line. In...

2006-10-24 14:18:48 UTC in Open Computer Vision Library
cvLine crashes with floating point exception

The following code snippet leads to a floating point exception: CvSize cv_size; cv_size.width = 3; cv_size.height = 700; IplImage* image = cvCreateImage(cv_size, IPL_DEPTH_8U, 1); pos_y = 350; cvLine( image, cvPoint(0,pos_y), cvPoint(image->width- 1,pos_y), cvScalar(255,255,255), 2, 8 ); Moreover, for other small values of image->width the line is not drawn in the middle (y...

2006-10-23 14:26:38 UTC in Open Computer Vision Library