I've noticed that the pstricks macro psGTriangle, to draw triangles with Gouraud shading does not work in combination with auto-pst-pdf/pdflatex. There is no error message, the pspicture environment ...
This question is made to accompany the existing question: How can I create a pdf document exactly as big as my tikz picture?. Constraints: It is not allowed to use pdfcrop by any means whatsoever. ...
What is --hires for? To obtain a better result when cropping a pdf image produced by PSTricks, I use --hires option as follows latex filename.tex dvips filename.dvi ps2pdf ...