%% syntaxe : pol u translatepol --> pol'
/translatepol {
2 dict begin   
   /uy exch def
   /ux exch def
   {ux uy translatepoint} papply
end
} def

%% syntaxe : pol u rotatepol --> pol'
/rotatepol {
2 dict begin   
   /alpha exch def
   /I defpoint
   {I alpha rotatepoint} papply
end
} def

%% syntaxe : pol I alpha hompol --> pol'
/hompol {
2 dict begin   
   /alpha exch def
   /I defpoint
   {I alpha hompoint} papply
end
} def

%% syntaxe : pol I sympol --> pol'
/sympol {
1 dict begin   
   /I defpoint
   {I sympoint} papply
end
} def

%% syntaxe : pol D axesympol --> pol'
/axesympol {
1 dict begin   
   /D defdroite
   {D axesympoint} papply
end
} def