Re: 3D Graphics and Postscript

From: Valeri Fine (Faine) (fine@bnl.gov)
Date: Tue Aug 31 1999 - 17:16:07 MEST


> Hi,
> 
> Is there a way to generate a Postscript rendering
> of objects drawn in x3d or OpenGL?
> 

 ROOT has no built-in tools for that.

 Under Unix one can apply xwpick package (or something like this)
 (see: http://wwwinfo.cern.ch/dis/asis/products/X11/xwpick.html )

 Under Windows any Windows image/picture application.

 Under Windows my favorite is Microsoft PhotoEditor
 or PowerPoint (both are the parts of MS Office). Both of them
 are capable to resize the images to any reasonable size 
 with no quality lost.
 Then one can use Adobe Postscript driver
 (see: http://www.adobe.com/supportservice/custsupport/LIBRARY/pdrvwin.htm )
 or Microsoft Postscript driver. The last is built-in any postscript printer driver supplied
 with MS OS's (Win95/98/NT)

 All said above mean 

   - one can not create postscript 3-D image "in batch". As xwpick as Windows applications
     assume  "interactive screen capture step" So there is no "Postscript rendering" yet.

  - Both packages as X3D as OpenGL produce the pixmap picture (This feature has nothing
    to do with ROOT).  This means in general  there is no way (but Microsoft PhotoEditor) to
    size the picture to any arbitrary size.
    In general the pixmap picture is not as compact as the "vector" one  for black/white
    plots with no shadows / lights. 

  Hope this helps,
                                                               Valery



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