Dani, great to hear that you're fine with it. And just for the audience: There is at least one useful case for boxed graph keys, though, namely when you have grid lines. You can use "keyattrs=[deco.stroked(), deco.filled([color.grey.white])]" to have a boxed, white graph key. I don't remember whether we show that in one of our examples.
Am 18.05.2015 um 20:51 schrieb Mico Filós <[email protected]>: > Thanks again André. That will certainly do it, I was not looking for > anything superfancy. > > As for the boxed graph keys, and this is a very subjective view, I > find them unnecessary and ugly. I am already happy with your > suggestion. > > All the best, > Dani > > On Mon, May 18, 2015 at 11:52 AM, André Wobst > <[email protected]> wrote: >> Hi Dani, >> >> hmm, in order to still use the PyX graph key functionality you could fake >> the distance by moving the text around. You need to know, that PyX uses the >> box size returned by TeX on the TeX level, not from the output. (The idea >> behind it is, that you PyX knows the dimensions of the text without reading >> the dvi output from TeX already, but only from interacting with TeX itself. >> And this gives you, intentionally, additional options for modifications.) >> PyX will align the text as it was, when PyX doesn't know about the new >> vertical dimension of the text. While you can surely do it in TeX itself, >> such a modification is easily done in LaTeX using \raisebox. Here is a >> slight modification of the code I already suggested. You could make the >> vertical shift (i.e. additional distance) to be a parameter, if needed. I >> just used a fix value of 10 pt, to make the effect visible clearly. >> >> from pyx import * >> >> text.set(cls=text.LatexRunner) >> >> class DummyPlotItem: >> >> def __init__(self, title): >> self.title = "\\raisebox{10pt}[0pt][0pt]{%s}" % title >> >> def key_pt(self, c, x_pt, y_pt, width_pt, height_pt): >> pass >> >> class TitleKey(graph.key.key): >> >> def __init__(self, title, **kwargs): >> self.title = title >> super().__init__(**kwargs) >> >> def paint(self, plotitems): >> return super().paint([DummyPlotItem(self.title)] + plotitems) >> >> >> g = graph.graphxy(width=8, >> x=graph.axis.linear(min=0, max=2), >> y=graph.axis.linear(min=0, max=2), >> key=TitleKey("$y$", pos="br", dist=0.1)) >> g.plot([graph.data.function("x(y)=y**4", title=r"$x^{1/4}$"), >> graph.data.function("x(y)=y**2", title=r"$x^{1/2}$"), >> graph.data.function("x(y)=y", title=r"$x$"), >> graph.data.function("y(x)=x**2", title=r"$x^2$"), >> graph.data.function("y(x)=x**4", title=r"$x^4$")], >> [graph.style.line([color.gradient.Rainbow])]) >> g.writePDFfile() >> >> When aligning the graph key at the top, the shift is not taken into account, >> but you can modify the alignment parameters by passing proper values to the >> graph key instance. A border around the graph key becomes more difficult to >> fix. At a certain point it will probably be better to implement a proper >> titlegraphkey or so, but maybe the suggested solution does it for you >> already (when you don't need a border). >> >> Best, >> >> >> André >> >> Am 17.05.2015 um 12:33 schrieb Mico Filós <[email protected]>: >> >>> Sorry to bother you again, guys. I've just realized I would need some >>> additional vertical space between the header and the rest of standard >>> keyitems. >>> >>> I have tried to add a strut (a vertical rule of a given height) in the >>> header, but then the vertical space the between all keyitems is enlarged >>> evenly, which is not what I wanted. I actually need the header to stand >>> out by separating it slightly from the rest. Can you suggest me a hack >>> to fix this? >>> >>> Thanks a lot again, >>> >>> Dani >> >> -- >> 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/ >> -- 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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