look at:

ftp://ftp.laas.fr/pub/ii/matthieu/gdhe.pdf


ftp://softs.laas.fr/pub/openrobots/gdhe/gdhe_eng.pdf



it use  TCL interpreter

syntax: 
  elwish -package Gdhe


  which gdhe
/usr/local/openrobots/bin/gdhe

in /usr/local/openrobots/share/gdhe/tcl  there are some examples of tcl functions to display robots
  
documentation about basic function:
http://homepages.laas.fr/mallet/cours/gdhe.pdf
ftp://ftp.laas.fr/pub/ii/matthieu/gdhe.pdf




polygon

polyg.tcl file 


polygon n x1,y1 ...

polygon 4 -1 -1 -1 1 1 1 1 -1


add the filename polyg.tcl to the index PkgIndex.tcl


dans la console:

set robots(poly1) polyg

set pos(poly1) { 0 0 0 }

  




dans /usr/local/openrobots/src/robotpkg/graphics/gdhe
  
to get the sources
  make extract

in
  /usr/local/openrobots/src/robotpkg/graphics/gdhe/work/gdhe-3.8

be careful not to type make clean in gdhe

when we will have succed, use git clone to get the sources, and git commit to apply the changes 




at startup, GDHE executes automatically the .gdherc file in the CURRENT directory. Bertrand put one in in ~/