Re: mapview-patch

Hi,

Am Montag, 4. J=E4nner 2021, 12:53:28 CET schrieb Reimar Imhof:
> > I've played around a little with the way mouse presses are handled. Cou=
ld
> > you try the branch "work/jzarl/map-improvements" and see if it's an
> > improvement?
> =

> I think it's an improvement.
> [...] =

> Yes an "abort select (do not select a cluster)" when the map got moved mi=
ght
> be an idea.

Done. You can try it out in the master branch. If you press the right mouse =

button before releasing the left mouse button, or if you press the Escape k=
ey =

on the keyboard while the left mouse button is still down, the selection is =

cancelled.

> =

> When I've done some steps into geo position, moving the map and dragging
> selections get terrible slow (That's no new problem from your branch).
> Here's a debug output of Ctrl-LeftBtn-MouseMove, it seems to come from
> Map::MapView::render:   :
> =

> [...]
> kphotoalbum.Map: GeoBin: drawing individual images
> kphotoalbum.Map: GeoCluster has 112 images.
> kphotoalbum.Map: GeoCluster has 63 images.
> kphotoalbum.Map: GeoCluster has 337 images.
> kphotoalbum.Map: GeoCluster has 101 images.
> kphotoalbum.Map: GeoBin: drawing individual images
> kphotoalbum.Map: GeoCluster has 185 images.
> kphotoalbum.Map: GeoBin: drawing individual images
> kphotoalbum.Map: GeoCluster has 7 images.
> kphotoalbum.Map: GeoCluster has 139 images.
> kphotoalbum.Map: GeoCluster has 12 images.
> kphotoalbum.timingInformation: Map rendered in 260 ms.

Judging from the debug output it seems that you are zoomed in enough for th=
e =

individual images to be shown. A quick workaround would be to disable =

thumbnails for the map (one of the icons on the lower left side of the map).

I'll also take another look and see if more caching can improve performance=
...

Cheers,
  Johannes