Disclaimer: I am not a programmer I've written little scripts to produce diagrams in DXF and in PS format for astronomical maps and in maths teaching. Often qu

Disclaimer: I am not a programmer I've written little scripts to produce diagrams in DXF and in PS format for astronomical maps and in maths teaching. Often quicker, and neater, than plotting with a mouse. Your typical end user hacks, nothing that would be of any use for published software.