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Geographic Information Systems : Recent Questions and Answers (Page 31)

Find answers to your questions about Geographic Information Systems or help others by answering their Geographic Information Systems questions.

Save QGIS project to GeoPackage using PyQGIS

How it is possible save qgis project to GeoPackage in PyQGIS? the image is user interface but I need in...

Asked on 11/01/2021 by Angel Rene Herrera Calzada

1 answer

QGIS Layout: How to group items?

At 3.12.3, I need to group the two items highlighted in this screenshot: According to the QGIS...

Asked on 11/01/2021

1 answer

Work with MOD07 - Retrieved Moisture Profile layer - data in R

I downloaded a complete month of daily images of MODIS MOD07_L2 product (Atmospheric profile). I've worked with *.hdf files for really long (using both R and tools...

Asked on 11/01/2021

1 answer

Earth engine - ee.Terrain.slope() output at wrong resolution after DEM mosaicking

The big picture: I'm using Google Earth Engine (Javascript) to do a terrain correction on Sentinel-1 imagery, as in Andreas Vollrath's work. However, I want to use...

Asked on 11/01/2021

1 answer

PyQGIS: Signal for plugin uninstallation

Is it possible to listen for plugin removal before the plugin is removed? We save global settings as user interacts with the plugin, but want to reset plugin specific global...

Asked on 11/01/2021

1 answer

How to make one line

I'm going to draw two forks. After drawing, I put the two lines together, but it looks like the picture...

Asked on 11/01/2021 by raskal

1 answer

Generating UUID(unique ID) at joining points

I have road network (lines) and points (Address) . With the help of closestSegmentWithContext function, I join points to nearest lines in QGIS. Is there a way to to generate...

Asked on 11/01/2021

0 answer

Saving attributes information (features) in QGIS layer

I have a road network (lines) and points (Address). I am using PyQGIS to join points to the nearest lines using the closestSegmentWithContext functionin QGIS. However, the attribute table...

Asked on 11/01/2021

0 answer

How to remove features out of the extent?

I am using openlayers tile strategy and custom load function.this.source = new Vector({ format: new EsriJSON(), strategy: tile(createXYZ({tileSize: 512})), loader: (extent: any, resolution: any, projection: any)...

Asked on 11/01/2021

0 answer

Compute a rotation relative to ENU

I am using CESIUM JS. I posted a message in cesium forum some days ago, but I didn't manage to find a solution. I have a 3D camera moving freely...

Asked on 11/01/2021

0 answer

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