[ REQ 5797]: Interaction

[cryer at ESCHER.UNI-MUENSTER.DE]

Hi!

	At the moment I am using geomview to display parts of
the heart using measured data. The latest set of data is a cloud
of points on the epicard ( outer surface of the heart) which I
must transform.

	I would like to interactively click on a point, click
on two points so as to define a line, and to rotate the cloud.
After clicking on a point or defining a line, these should be
displayed.

In each case I need the numeric data ( point coordinates,
rotation matrix, etc ) which I would then use to carry out 
transformations on the original data.

	Is there any geomview software which I can use to get
started? I recognise that I will have to make modifications.

Thanks

Colin Cryer