[mkgmap-dev] [PATCH v1 + v1] fix overview bounding box rounding + splitter rounding

Mon Jan 25 22:11:20 GMT 2010


On 25.01.2010 23:05, Mark Burton wrote:
> v1 + v1 - OK, here's the matched pair - patches for both the splitter
> and mkgmap.
>
> With these in place, the mapsource mouse works as expected across all
> tile boundaries right up to the outer boundaries. No weird overlap
> of tile and overview map. Spot on.
>    
So we need the splitter even if the tile needs no splitting. Correct?
Maybe my problems with the legend map relate to me not passing it trough 
the splitter. Will try out if it makes a difference.
> Please could some others give this a test and confirm that the rounding
> is now correct.
>
> -----------------
>
> Thinking some more about what I was seeing in mapsource when
> mousing around the Baltic map, I came to the conclusion that the edges
> of the overview map bounding boxes where in the wrong place so I took a
> look at mkgmap where it rounds those coords and came up with the
> attached fix. No great theory here, I just dicked around until it
> worked as I expected.
>
> For the Baltic map, the mouse now works right up to each boundary in
> both lat and lon directions whereas before it would only work right on
> one side of each boundary.
>
> Please try the patch, especially for maps that are W of Greenwich and S
> of the equator and see if the overview boxes are right.
>
> Cheers,
>
> Mark
>    
>
>
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