Problem 1:


\pstGeonode[PosAngle={50,100,90}, PointSymbol={*,x,*},
PointNameSep=3mm, CurveType=curve,

PointName={\alpha,\beta,\gamma,default}] %%% <<----



Question 1:

Why it haven't must been " (-2,0){\alpha}(-1,-2){\beta}(0,-1){\gamma}(2,-1.5){T} "

Problem 2:

enter image description here

See the following:

  PosAngle={0,45,180},  %% <<---- No effective
  PosAngleA=0,PosAngB=45,PosAngleC=180, %% <<---- Works fine.




That are two different things: a printed point name and an internal node name. It can be the same but must not by default. \alpha is a macro and can be a printed point name, but not a node name unless you say \string\alpha. Otherwise \alpha will be expanded to \mathchar"10B for example. However, \string\alpha wouldn't be a useful node name.

PosAngle={10,20,30} is only valid for \PstGeonode. For a triangle use PosAngle=10, PosAngleB=....

  • For question 1, its mean only with the math symbols, we always use the first syntax. – user173875 Dec 9 '18 at 15:56
  • Yes, but it makes no difference to say (-2,0){alpha}(-1,-2){beta}(0,-1){gamma}(2,-1.5){T} or (-2,0){a}(-1,-2){b}(0,-1){g}(2,-1.5){T} Any possible name without a backslash – user2478 Dec 9 '18 at 16:03

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