Remove space between axis and plot

[Uwe]

Where you can see, that the zero line ( 0 at y left ) is exactly the first pixel in the canvas.

You could disable the backbone of the scales ( see QwtScaleDraw ) and draw a line at y=0 inside the canvas - if this is what you want to do.

Uwe

[Ozzy]

Hi,

thanks for your reply! This works for me!!!

Thanks and best regards
Ozzy