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Langue: en

Version: 8 May 1999 (ubuntu - 07/07/09)

Section: 1 (Commandes utilisateur)


r3dtops - Raster3D to PostScript label conversion


   r3dtops [-fontscale xx] < infile.r3d >

r3dtops reads a Raster3D input file, selects out only the label descriptors (object types 10, 11, 12), and creates a PostScript file containing these labels and nothing else. The PostScript file can be converted into a raster3 image by ghostscript and then recombined with the the molecular graphics image produced by running the same input file through render. This sequence of operations can be done by hand, but is usually done automatically by the label3d script.


-fontscale xx - It is problematic to interpret the font sizes requested so that they produce the desired size on the eventual output device or printer. By default the r3dtops program assumes that the eventual output device is approximately 100dpi. However, printers generally range from 300 to 1200 dpi. The parameter xx is a scale factor by which the number of pixels per PostScript unit should be increased.


A small number of escaped characters are allowed in the label text string. These may be useful for tweaking the position of your labels:

 \n      new line
 \b      backspace
 \v      vertical tab (move up 1/2 line)


The whole nature of label handling in Raster3D is not yet settled. It would be much nicer if all the label processing would be taken care of by the render program itself.


anonymous ftp site:   

  web URL:

        Ethan A Merritt

        University of Washington, Seattle WA 98195


label3d(l), r3d_objects(l), render(l), raster3d(l)


 Ethan A Merritt.

Des mauvaises langues diront que James Dean était petit.
N'empêche que petit ou grand, c'est bien triste, à 24 ans, ...
de s'écraser sur un Bonsai au volant de sa Dinky Toys.
-+- Philippe Geluck, Le chat, Le chat -+-