Re: printing qwtPlot to pdf + rotating marker text

[Gerard V. <ger...@gr...>]

On Wed, 26 Jan 2005 12:19:25 +0100
Gregor Leban <gre...@fr...> wrote:

> Hi,
> 
> I have a problem with QwtPlot. When I save my graph to a pdf (using printPlot function where QPainter is an Adobe
> PDF writer) I get a pdf like the one in the figure http://jimmy.fri.uni-lj.si/temp/document1.pdf . The figure is
> ok, except for the vertical lines at the left of each box. This problem probably occurs because of some rounding
> errors. I drew the squares like this:
> 
>     key = self.graph.insertCurve("")
>     self.graph.setCurveData(key, [x+eps, x+1-eps, x+1-eps, x+eps, x+eps], [y+eps, y+eps, y+1-eps, y+1-eps, y+eps])
>     c = colors.getColor(0, 200)
>     self.graph.setCurveBrush(key, QBrush(c))
>     self.graph.setCurvePen(key, QPen(c))
> 
> Is this ok, or should I create the curve in some other way?
> 
I have never seen an Adobe PDF writer.  Does it also behave like this with
PostScript output?

Tomaz Curk (think you should know him) invented another method to plot bars:
http://pyqwt.sourceforge.net/examples/StackOrder.py.html

> Another question that I have is about markers. Is there any way that I could rotate the marker labels to the left
> for 90 degrees?
> 
Subclass QwtMarker and overload the draw() method to
rotate the text.

Gerard

PS: can't you set you (MS) mail program to insert newlines
after 80 characters?