Re: axis index?

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

On Thu, 15 Jul 2004 01:41:00 -0400 (EDT), Jiann-Ming Su wrote
> How do I determine what the axis index is?  I'm working through a 
> demo and I see setAxisTitle(yLeft,...) working, but when I try to do 
> the same thing with setAxisScaleDraw(yLeft,...) I get the following compile
> error:
> 
>   myplot.cpp: In constructor `MyPlot::MyPlot(QWidget*, char*)':
>   myplot.cpp:40: error: no matching function for call to `MyPlot::
>      setAxisScaleDraw(QwtPlot::Axis, QwtScaleDiv*)'
>   /usr/local/qwt-0.4.1/include/qwt_plot.h:238: error: candidates 
> are: void     QwtPlot::setAxisScaleDraw(int, QwtScaleDraw*)  
> distcc[3527] ERROR: compile myplot.cpp on localhost failed  make: 
> *** [myplot.o] Error 1
> 
> According to the documentation, the first argument to both methods
> is "int axis".  So, why does "yLeft" work for setAxisTitle(...) but not
> for setAxisScaleDraw(...)?  Thanks for any tips.
> 
Note the difference in the second argument type: you pass
a QwtScaleDiv* instead of a QwtScaleDraw*.
If you get the second argument right, the first argument will
match automagically.

Gerard