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Results tagged with qgis
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user 49371
QGIS is a cross-platform GIS application licensed under the GNU General Public License.
1
vote
Accepted
How to Join Intersected Points by Location
I solved this problem via SAGA's Remove Duplicated Points.
- 279
3
votes
Accepted
Azimuth angle results are different for 'Field Calculator' and 'Measure Angle' on QGIS
After changing coordinate reference systems of line layer and project to TM 36N ED50 (projected coordinate system), I recalculated it again. Now azimuth angle and measured angle are the same. I used W …
- 279
1
vote
1
answer
49
views
How to Join Intersected Points by Location
I extracted nodes from polygon parcel layer by Geometry Tools > Extract Nodes. However there are many crossed unnecessary points with same location after extracted nodes. There is a topic like this: …
- 279
5
votes
3
answers
1k
views
Azimuth angle results are different for 'Field Calculator' and 'Measure Angle' on QGIS
I measured the angle between two lines with Measure Angle. The result is 39.531°. In attribute table I used this script for calculating azimuth with Field Calculator:
degrees(azimuth(start_point($geo …
- 279
3
votes
1
answer
277
views
Modifying QGIS Project with C++
I have a QGIS project file, it has a point layer in GPKG format and online map layers. Coordinate System of online map layers is WGS 84 / Pseudo-Mercator. … I try to modify coordinate system of point layer using QGIS C++ API and QgsQuick based on user's input with EPSG code. The code below creates new project. …
- 279
-1
votes
Accepted
1
vote
2
answers
252
views
My QGIS plugin shows GUI but not Works. How to get Error log?
I made a simple calculator with PyQt4, now I am trying to run it under QGIS. I connected calculator as plugin, and tested it, its GUI works without error but it does not calculates anything. …
- 279
1
vote
0
answers
177
views
How to import ERDAS ECW in QGIS 2.6 using GDAL 1.11? [duplicate]
I am using Lubuntu 14.10, QGIS 2.6, and Ubuntu GIS(unstable). QGIS was used to use GDAL 1.10, and can import ERDAS ecw format. But after GDAL upgraded to 1.11, QGIS couldn't import ecw images. …
- 279
1
vote
1
answer
248
views