[Qgis-developer] Various issues

Lene Fischer lfi at ign.ku.dk
Sun Dec 21 23:14:25 PST 2014


I have just found the same error.

Starting to show my students the difference between calculating an area with planimetric /ellipsoide difference.

We use EPSG 25832  (UTM32 N EUREF 89)

In the Project properties the Measure tool are set to CRS  ON  and Ellipsoide None /Planimetric ??? Strange when I have choosen a CRS with an Ellipsoide

Then I change the Ellipsoide to WGS84 - Click on CRS - and sometimes it is set back to None or Clark 1866.

When I try to calculate an area - without any changes in the None /Planimetric - and secondly change the ellipsoide to WGS84 and recalculate - the area gets smaller!!!!!!!

There is a Bug report #11713 on the same issue from November - still open set to normal....This must be a blocker


Lene Fischer
Associate Professor

Department of Geosciences and Natural Resource Management
University of Copenhagen

MOB +45 40115084
lfi at ign.ku.dk<mailto:lfi at ign.ku.dk>


 -----Oprindelig meddelelse-----
Fra: qgis-developer-bounces at lists.osgeo.org [mailto:qgis-developer-bounces at lists.osgeo.org] På vegne af Giovanni Manghi
Sendt: 18. december 2014 11:15
Til: qgis-developer at lists.osgeo.org
Emne: Re: [Qgis-developer] Various issues

> * reprojecting a metric projection to 4326, choosing an ellipsoid and

> a measurement unit in Project properties is not permanent (reopening

> the dialog displays none/planimetric and degrees even if wg84 and

> meters were selected beforehand)

it is messy as already said by Alexander, and that ticket should be reopened.

sometimes seems to follow a pattern like:

If you open the project properties from the menus the ellipsoid changes, but not the canvas units.

If you open the project properties from the bottom right icon/shortcut the ellipsoid does not change, but units do.

other times it seems it just messes up everything regardless of what you have choosen and how you open the project properties.

This to me is a major issue because the user never knows how reliable are the measurements being done (with the field calculator) and if numbers can be compared with the ones computed previously.

> * with the same reprojection, Decoration > Scalebar shows 1 meter

> instead of 1 degree

cannot confirm here, it shows degrees

> * when using curved labels with a background, a separate background

> (e.g. a rectangle) is drawn for each character, with rather ugly

> results

for better results

the "size type" of the background must be set to "fixed" (and then give it the proper size).


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