Re: drawing a very long line on the screen and how much of the lifting I have to do

Hi tim,


thanks for this reply, exactly what I was looking for!

Regarding the pixel v.s. CM rule, I just did a google on the matter 
which told me a probably inaccurate figure, though it worked for rough 
testing purposes.

I ended up going with around 12.5 pixels to the half CM.


Nathan

On 28/05/2021 19:44, Tim Roberts wrote:
> Nathan smith wrote:
>>
>> Me again asking what is likely a very obvious question but for a 
>> blindy developer not so much.
>>
>> I'm wondering how WX python handles things that are bigger than the 
>> screen.
>
> You need to investigate the wxScrolledWindow and wxScrolledPanel 
> classes.  They allow to draw to a bitmap larger than the visible 
> window, and use scroll bars to scroll through that larger region.
>
>
>> So what i mean by this is I have a ten by ten grid, each square is 2 
>> CM in size.
>
> Interesting.  How do you decide how many pixels 2cm is?  Are you just 
> using your monitor as an example?
>

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