It is possible in GEOM to import a picture file in the OCC view. The supported formats are : .bmp, .gif, .pix, .xwd, .rgb, .rs

The imported picture (engineering drawing, nautical chart, etc.) may be used as a support for 2D shape design.

It is possible to create a sketch on top of this picture or use the Shape recognition functionalities to build geometrical shapes from some elements of the picture (contours, corners ...).

To import a picture in the view:

select New Entity -> Import a picture in the view or click on
Click on ... and browse your image files to select one of them
Apply

A new Picture object is created. Pan, zoom and rotation operations are available in the view like for any other object.