> From: g...@ir.bbn.com
> To: viking-de...@lists.sf.net
> Date: Wed, 19 May 2010 19:40:43 -0400
> Subject: [Viking-devel] small wishlist items
>
>
> I have looked at the code a tiny bit but not enough to figure any of
> this out. A few things, any of which would be great:
>
> In the mapslayer display, where it shows xmpp/ympp as zoom level as
> OSM would use it.
>
> Somehow know or adapt to OSM tiles failing at too-high higher levels.
> Perhaps just have a max zoom per map and when there are a lot of
> failures set it to one more than what failed and tell the user.
>
> I am not sure, but I suspect tile download requests get queued even if
> they are in the queue already.
I think I agree....
When I had 'auto download' on it would seeming queue up *loads* of requests,
even if one just zooms in/out between a few zoom levels.
I didn't really understand it and now run with out auto download :(
> Start in zoom mode.
>
> Have some option to ignore waypoint layers and zoom to track (center
> and zoom level). This would make
>
> viking template.viking waypoints.gpx track.gpx
>
> show me the track, which is IMHO what's wanted, since one has
> waypoints for all sorts of things, but usually you want to see the
> latest track.
This is definitely in my near todo list, as I really want it.
The way I was thinking would be for whatever 'gpx' like thing was loaded or
acquired (i.e. TrackWaypoint Layer) , zoom out to a level that would show all
waypoints and/or trackpoints.
There already is a 'vik_trw_layer_find_center' function which knows the bounds
of the layer, just need some kind of method to convert from bounds to zoom
level. May have to loop through zoom levels until we find one that that's
within (vikviewport) view.
If there's lots of TrackWaypoint Layers (potentially in a .vik file or loading
*gpx), may want to delay this until the final TrackWaypoint Layer is processed.
> When displaying from cache and tiles are missing, either show blank or
> show a scaled version of a tile that belongs. It seems (terraserver
> aerials) that I get tiles in the wrong place now.
I have a patch that draws the outline of Map Grid Tiles, which may be helpful.
I'll upload try to upload this tomorrow (maybe next week as I'm away this
weekend).
> Have a certain number of downloads in progress per source, so a choked
> up terraserver doesn't break osm viewing or vice versa.
> Greg (trying not to sound cranky - I am writing because one of you might
> say 'good idea' and have the necessary knowledge and 5 minutes)
>
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