[pstricks] Rotate Text on PS side

Herbert Voss Herbert.Voss at fu-berlin.de
Mon Aug 13 22:32:56 CEST 2007

Christoph Bersch wrote:
> Herbert Voss wrote:
>> Christoph Bersch wrote:
>>>    \ncput[nrot=:U]{Flipped}
>>    \ncput[nrot=:D]{Flipped}
>> see page 94 in the PSTricks book
> I think, I didn't explain it good enough:
> The problem is, that I have a macro containing the
> \ncline and \ncput stuff. Within this macro the text should be flipped
> if necessary (based only on the node coordinates).

possible with modifying the PostScript procedure


\pst at def{InitNC}<
  /b ED /a ED % second and first node
  /NodeSepTypeB ED /NodeSepTypeA ED
  /NodeSepB ED /NodeSepA ED
  /OffsetB ED /OffsetA ED
  tx at NodeDict a known tx at NodeDict b known and dup {
    /NodeA a load def /NodeB b load def
    NodeA GetCenter NodeB GetCenter % xA yA xB yB
    4 copy pop exch pop lt % xA xB
      { /yB ED /xB ED /yA ED /xA ED }
      { /yA ED /xA ED /yB ED /xB ED } ifelse
     } if >



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