Hi Hans, You can use the reverse flag of the axis, see http://pyx.sourceforge.net/manual/axis.html#graph.axis.axis.linear, or fix the axis range manually and set max to be smaller than min (which sounds a little crazy, but it perfectly does the trick as well).
HTH, André Am 11.05.2013 um 21:55 schrieb Hans L: > Hello, I am new to using PyX and was wondering if it is possible to invert > the Y axis so the top left of page is 0,0 and the y value increases as you go > towards the bottom of the page? > > I experimented with passing a trafo to the canvas constructor: > trafo.trafo(matrix=((1, 0), (0, -1)), vector=(0, canvasheight)) > > This seems to work ok for graphics, but then of course all text is upside > down. > I tried applying a similar y flipping transformation to the textattrs to > upright it again, but it did not seem to do anything. > > Is there any simple solution to this? > > Thanks, > Hans > > ------------------------------------------------------------------------------ > Learn Graph Databases - Download FREE O'Reilly Book > "Graph Databases" is the definitive new guide to graph databases and > their applications. This 200-page book is written by three acclaimed > leaders in the field. The early access version is available now. > Download your free book today! > http://p.sf.net/sfu/neotech_d2d_may_______________________________________________ > PyX-user mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/pyx-user -- by _ _ _ Dr. André Wobst, Amselweg 22, 85716 Unterschleißheim / \ \ / ) [email protected], http://www.wobsta.de/ / _ \ \/\/ / PyX - High quality PostScript and PDF figures (_/ \_)_/\_/ with Python & TeX: visit http://pyx.sourceforge.net/
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