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Re: [udig-dev] uDig Scale Bar - Bug 1993
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Does anyone else have any feedback on this change? Should I create a
pull request so it is incorporated into the main repository?
Emily
On 25/07/2013 2:09 PM, Emily Gouge wrote:
For others interested in testing this out I committed the necessary
change to a scale branch in my uDig fork:
https://github.com/egouge/udig-platform/tree/scale
On 25/07/2013 10:14 AM, Panagiotis Skintzos wrote:
Thanks a lot Emily! I tested what you suggested in my app, as I was
suffering from the same scale/utm projection bugs (I'm using Finnish
TM35FIN system epsg:3067).
I confirm that it fixes the scales everywhere (map window, scalebar
decoration, printed map).
-Pana
On Wed, Jul 24, 2013 at 8:27 PM, Emily Gouge <egouge@xxxxxxxxxxxxxxx>
wrote:
On 24/07/2013 10:17 AM, Philip Donner wrote:
Thanks Emily for your comments. I do agree with your analysis. Also
realized that correct computing depends on the coordinate
system. I'll check Lat/Lon projection to see if that could produce an
accurate scalebar. Is that ETRS89 (~WGS84) ?
I believe any projection whose units are in degrees will currently work
okay with the scalebar as the calculateScaleDenominator function runs a
different computation in that case (so, yes to "ETRS89 (4258)").
However keep in mind that if you are zoomed out over a "large" area
(100+km) the distance and scalebar computations are going to be a bit
different because the distance will be different on different parts
of the
map.
I would highly appreciate if you can tune the formula before Sunday
and
our presentation. A map with a scalebar looks much more
useful than one where you have to guess the dimensions.
Wish you good luck, ph
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