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Geographic Information Systems : Recent Questions and Answers (Page 495)

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

Progress bar does not show progress during processing

I am trying to show the progress in the progress bar, but it is not running, I have seen several solutions but none has solved me. This is...

Asked on 12/09/2020 by Francisco Danubio Salas Rosett

1 answer

How to apply a layer definition with a spatial query to a Dynamic layer?

Using the ArcGIS Server JavaScript API, it's possible to specify an attribute query in the form of a layerDefinition against a Dynamic layer. For example, the following...

Asked on 12/09/2020

2 answer

Drawing polygon constant km around point in lat/lon coordinates in QGIS3.12

I have a set of points in lat/lon coordinates over Europe representing pixels from a satellite dataset. I know each pixel has size 10x10km. I want to draw a square...

Asked on 12/09/2020 by B.Quaink

0 answer

Error trying to cast an ee.Image to a numpy array

I want to cast my ee.Image, to do so I followed this link implementation, but I got this error: Traceback (most recent call last): File "/home/felipe/.local/lib/python3.6/site-packages/ee/data.py",...

Asked on 12/09/2020 by panchester

1 answer

No repositories accesible

I signed into GEE code editor today to find that all of the scripts I've written and saved are now gone. It just says "No accessible repositories" under owner/writer/reader drop...

Asked on 12/09/2020 by user167525

0 answer

Using subtype property of the esriaddinx for a AddIn button

I am trying to utilize the subtype property of an AddIn toolbar button in C#. In older versions of ArcObjects this could be accomplished using ICommandSubtype and extending the BaseCommand....

Asked on 12/09/2020 by David Lewis

0 answer

Merging two multipolygon tables into one and afterwards dissolving boundaries using PostGIS

I am trying to merge two multipolygon tables into one and at the same time - in the same query - dissolve the boundaries between the polygon districts using postgis....

Asked on 12/09/2020 by kwiwe

1 answer

MBTiles on Leaflet map

I'm trying to use Leaflet.TileLayer.MBTiles with npm. It installs fine but when I do:import { Leaflet.TileLayer.MBTiles }I get the following error:ERROR in ./src/js/index.js 7:16Module parse failed: Unexpected token...

Asked on 12/09/2020 by user1655130

0 answer

Tilemill/CartoCSS: how to center label in a polygon

For some reason, labels are always placed in the bottom right of a polygon. I want them in the center of a polygon. I tried these:text-horizontal-alignment: middle;text-vertical-alignment: middle;but it...

Asked on 12/09/2020 by Vanuan

1 answer

Can relation reference in QGIS and QField be used to fill stochastic matrices?

I am a novice GIS user and am just seeing the potential for relations in my work. A problem I've come across and would like a solution to it. ...

Asked on 12/09/2020 by rwjd

0 answer

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