HOWTO View Geometry and test volumes with a geantino

View and Test the Geometry

The purpose of this page is to show how to look at a geometry and use a geantino to test the implemented geometry that helps you to verify that all the volumes defined are actually visible to a particle when passing through the detector. If there are intersections between different volumes it can lead to unexpected behaviors for particles passing through such areas as some of the volumes may not be detected by the tracker depending on the direction the particle passes through this space.

Basic Requirements

The approach taken here is to use "hdgeant4" and run it with the options "-v", to create a graphics window, "-i" to run interactive and "-V #" to set the tracking verbose level.