Robert Norris <rw_nor...@hotmail.com> writes: > I've made my first set of Auto View (Zoom) improvements. Please see:
cool! I am making a lot of suggestions and "it would be cool" etc. and don't mean to sound complaining. > http://github.com/rnorris/viking/tree/AutoZoom I fetched, and 'git checkout AutoZoom' created a tracking branch even though your repo is of course not my primary remote. > Here on opening GPX files it zooms out to the full layer extent* > *I don't think viking should guess whether tracks or waypoints are > more important, Sure, that's fair. (FWIW, I have separate waypoint and track files; track files are named by dates and waypoint files are once in a while.) > and in the case above it would center on the track in > a zoom level that encompasses that track - since that is the last one > processed. So you're saying that the zoom is set to the last gpx file processed? That would then be easy for me to make it do what I want. But it seems to zoom to the max of all (haven't read code, just trying it). > Options have been added to the Layer's menus to zoom to view the layer > / individual track / all waypoints. > NB if in the current zoom level, it can cover the view - then it does > not attempt to zoom in to find the 'best' zoom level. I don't understand that choice. In my case, I have a waypoints file with a waypoints in far away places (near Boston, near San Diego, and a few others). I want to see waypoints when they're near what I'm looking at, but if I say "show me the track gpx" I would like it to zoom to just fit the gpx data in that layer. > Possible improvements can be: > > . Set the view upon getting info from a GPS. probably that should be a checkable/sticky "keep GPS position onscreen", and it should then cause panning gps to center when gps goes outside of some area. not clear what it should do about zoom; my vote is don't touch. > - I'm not quite sure ATM, how to feedback the TrackWaypoint > layer created from the babel / acquire thread stage. > - Possibly make this behaviour optional, but I don't see why > one would *not* want to see the data just acquired! > . If this feature is deemed really useful, add an icon in toolbar for > layer auto view, [maybe GTK_STOCK_ZOOM_FIT] > . Find best fit zoom mode (i.e. view may zoom in as well). What about changing the default to zoom from pan? I use middle mouse to pan when in zoom mode, so pan seems far less useful. It would be cool for dragging in zoom mode to zoom to that rectangle. I read the code. Specific comments: 'view waypoints' is attached to a single waypoint menu-wise, but is about the layer. 'view waypoint' 'view track' is cool, and it might be useful to have 'view tracks' on the tracks part of the gpx. 'view layer' on the whole layer zooms out to show the layer, but I would like it to zoom in to the closest view that shows the whole layer. perhaps don't zoom more than xmpp=0.5. Generally, I think it would be nice to articulate a zoom/pan policy and rationalize all the goto/show to follow it consistently. I think that's: the following don't change zoom level: goto waypoint goto center of layer / track / etc. following live gps position from gpsd the following set zoom to the maximally zoomed-in that works, but no zoomier than .5 or 1 view gpx file view tracks view waypoints All in all I think your branch is a big improvement and +1 for merging to master.
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