pstricks-add redefines a lot of the pstricks macros.

2. Do not load another PSTricks related package after pstricks-add!! #

pstricks-add collects a lot of the code which was posted to the pstricks mailing list and has some more new features:

• pstricks o random dots O braces o define and calculate colors on PS side o Gouraud shading o braces as node connection/linestyle o line style bar o lines, drawn "by hand" o arrows, arrows, arrows, ...

• pst-plot o new syntax for \psplot and \psparametricplot o new macro psTangentLine o new macro psplotTangent o new macro psplotDiffEqn

• pst-node o new option lineAngle for ncdiag o new macros for interpolation nodes and linear combination of two vectors o new macro ncbarr (line with 5 segments)

pstricks-add.pro : the prolog file for pstricks-add pstricks-add-doc.tex: the included doc file

Save the files pstricks-add.sty|pro|tex in a directory, which is part of your local TeX tree. The pro file should go into $TEXMF/dvips/pstricks/ Then do not forget to run texhash to update this tree. For more information see the documentation of your LATEX distribution on installing packages into your local TeX system or read the TeX Frequently Asked Questions: (http://www.tex.ac.uk/cgi-bin/texfaq2html?label=instpackages).