[josm-dev] Fwd: GSoC: OpenGL view for JOSM

[Bryce Nesbitt]

On Mon, Mar 9, 2015 at 10:19 AM, Michael Zangl
<openstreetmap at michael.fam-zangl.net> wrote:
>
> This is a thing that annoyed me for a long time: JOSM is slow when
> zooming out. I would like to improve this and have enough spare time
> this summer to work on this as GSoC project.

One reason is fairly simple to fix:  JOSM loads background image tiles
in a non-optimal order.
If it first loaded the tiles under the currently selected object and
the mouse cursor, it would "feel"
much faster.

As it stands often the map tiles that are half off screen come in first.