Plot in file allows you to plot drawings in an Image Matrix [IM] or(and) in a
Drawings are a list of structures of X and Y vectors (points to plot).
Values of X and Y must be between -500 and +500 in this version.
This function provides high resolution and a better result than Scilab
In Version 1 : "Dat2PBM.sci" transforms drawing plots in a .pbm bitmap
file (1 Mégapixel).
In Version 2 : "Ds2IM.sci" transforms drawing plots in an Image Matrix
[IM] could be used with SIVP Toolbox (Atoms) and easy writing in graphic file
with the format of your choice.
Lines of drawings are now clean without blank dots.
Resolution is 4 Mégapixels.