How to find the width and height of an image drawn in the OCC 3d viwer


I imported a STEP file image through export/import utility of OCC. I am able to display the image through OCC 3D viewer. I want to retrieve the width the height of the image dia;pyed in the screen.Please help me out in this regard.

Thanks in advance,

Win Than Aung's picture

do you have the sample code to display the read Step file on 3Dviewer?