On Mon, Mar 3, 2008 at 6:15 AM, Aditya Mahajan wrote: > On Sun, 2 Mar 2008, Finn Martensen wrote: > > 2008/3/2, Aditya Mahajan <[EMAIL PROTECTED]>: > > > >> > I have the following problem with TikZ: When I use the "patterns" > >> > library in a tikzpicture environment, the file is compiled without > >> > problems and creates a PDF file. However, Acrobat displays an error > >> > message "Could not find the ColorSpace named 'pgfprgb'". [...] > >> > >> Can you please post a minimal example? I have compiled a few examples > >> from the tikz manual by using all tikz librarries, but never had this > >> problem. > > > > It just discovered that it depends, e.g., on whether there is only one > > page with a tikzpicture or more pages with tikzpictures. To give code > > examples: the first works, but not the second > > > > ************************************** > > Code with no problems: > > ************************************** > > \usemodule[tikz] > > \usetikzlibrary[patterns] > > \starttext > > \starttikzpicture > > \fill[pattern=dots] (0,0) -- (0,1) -- (1,1) -- (1,0); > > \stoptikzpicture > > \stoptext > > > > ************************************** > > Code with problems: > > ************************************** > > \usemodule[tikz] > > \usetikzlibrary[patterns] > > \starttext > > \starttikzpicture > > \draw (0,0) -- (1,0); > > \stoptikzpicture > > \page > > \starttikzpicture > > \fill[pattern=dots] (0,0) -- (0,1) -- (1,1) -- (1,0); > > \stoptikzpicture > > \stoptext > > I can reproduce this problem. On linux, with evince pdf viewer (2.21.91) I > get "Error: Bad color space 'pgfprgb'", with Adobe reader (8.1.2) "Wrong > operand type". > > The example does work fine with plain TeX and LaTeX. Something > wrong in the way patterns are handled by tikz for context. I do not think > that anyone on this list understands the internals of TikZ. Your best bet > is to report this to the tikz-mailing list.
Till Tantau has already replied (privately): > I tracked down this problem. It turns out that ConTeXt does, well, > radical things with the page resources (it simply resets them after > each page, which is why a pattern cannot be used on any page other > than the page on which it is defined). I'll try to fix this later, > although ConTeXt could be a bit less aggressive, here... -------- > I fixed this in the CVS. You will have to check it out to use the patch. > > The main problem is that pgf and context both fight over who can set > page resources. As there is no clean way to do this, both pgf and > context have their own systems. > > Actually, context's system is a bit cleaner, but we also have to > support latex and plain tex. > > Anyway, I put in some patches that should solve the problem under > normal circumstances. If you use ConTeXt commands that also mess > around with extended graphic states, some further changes would > presumably be necessary, but I'm not sure. So ... feel free to test it (should I set up automatic updates of tikz from cvs for the minimals?). Mojca ___________________________________________________________________________________ If your question is of interest to others as well, please add an entry to the Wiki! maillist : ntg-context@ntg.nl / http://www.ntg.nl/mailman/listinfo/ntg-context webpage : http://www.pragma-ade.nl / http://tex.aanhet.net archive : https://foundry.supelec.fr/projects/contextrev/ wiki : http://contextgarden.net ___________________________________________________________________________________
