Machine Vision

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Size of image different bedween read FIle and snap cam

hello

 

i work with LabWIndows/ CVI 8,6.

I load a image with the function "imaqReadFile(VIImagePointer, fileName, NULL, NULL );".

After this i display the image in a window.

 

Then i snap with the same parameter and the same camera the same picture my size ist smaler.

For the snap i use the functions

imaq1394CameraOpen2 ("cam0", IMG1394_CAMERA_MODE_CONTROLLER, &Session_Id_cam0);   

imaq1394SnapImage (Session_Id_cam0, VIImagePointer, IMAQ_NO_RECT);. 

 

The first picture make i in the MAX.

It have the width of 2588 and the height of 1958.

The camera picture have but the size of 1280 to 960.

I can't find my problem.

 

Best regards 

 

 

 

 

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