On Thu 01 May 2008, Andrew Black - lists andrew-lists@mail.black1.org.uk wrote:
I have a suggestion concerning maps (eg map of all points in a category). I would like to get the maps to be centred and scaled. For example, in the following, all the points are off the displayed map. http://london.randomness.org.uk/wiki.cgi?action=index;format=map;index_type=...
The following is a quick demo to play with http://www2.black1.org.uk/~andrew/map/exp_bounds.html Click on a few points, hit "Reposition map" then repeat.
So are you saying that you'd like RGL category/locale maps to have a "reposition map" button, or maybe that you'd like them to appear "repositioned" by default? (Where "repositioned" means "zoomed and scaled so that all points in the category/locale appear on the map".)
I don't have any major problem with them appearing repositioned by default. I do worry slightly about outliers, but outliers are generally data entry bugs and this would be a good way of spotting them. Also, your demo is an exact fit to the bounding box; I think we need a margin as well so that points actually on the bounding box appear properly instead of mostly off-map.
If I have understood correctly what you want - then could you supply a patch to do this? (I'm assuming you wrote the code in the demo and therefore understand how to do it - if not then I could probably have a poke through and try to pick out the relevant bits but I don't know when this will reach the top of my to-do list.)
Kake