[pstricks] Rotate Text on PS side

Christoph Bersch usenet at bersch.net
Fri Aug 17 09:35:35 CEST 2007

Herbert Voss schrieb:
> 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


is it possible to redefine InitNC locally in the testput commands?
I tried something like

File 'mypstheader.pro' contains the new InitNC:

/InitNCnew {
   /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 } def

The TeX file is as follows:



   \addto at pscode{tx at NodeDict begin /InitNCold InitNC def /InitNC 
InitNCnew def end }
   \addto at pscode{tx at NodeDict begin /InitNC InitNCold def end }


Unfortunately this does not work.
Am I doing something fundamentally wrong, or is it only a question of 
correct syntax?

Thank you,

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