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Geographic Information Systems : Recent Questions and Answers (Page 89)

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

Opening TerraClimate using R language?

I downloaded some rasters of climatic variables included in TerraClimate (Abatzoglou et al. 2018), from http://www.climatologylab.org/terraclimate.html I know that each raster is huge, but my computer has...

Asked on 08/11/2021 by rpaolo1967 RP

2 answer

Adding new polygon attribute column based on location withing another polygon in R

I have here an example with two layers - one containing two large polygons Pol_large, and second containing 4 small polygons Pol_small. For Pol_smallI want now to find the...

Asked on 08/11/2021 by MIH

1 answer

ArcGIS Pro cloned Python environment changes to default

I have created a clone of the default environment in ArcGIS Pro 2.8, and have installed GeoPandas within it. In ArcGIS Pro Setting I activated the clone environment [toggle radio...

Asked on 08/11/2021

0 answer

Compare linestrings in postgis

Let us assume the following two lines The two geometries are extracted by two different tables: table_1 and table_2 with respective column...

Asked on 08/11/2021 by Dino C

1 answer

Re-ordering text strings within field using Python Parser of Field Calculator

At ArcGIS 10.8.1, I have a shapefile attribute table containing a text field with names ordered last, first, middle, as in this example: Smith Sally JDoe JohnJones William...

Asked on 08/11/2021

1 answer

Math formula for transforming from EPSG:4326 to EPSG:3857

Is there any math formula for transforming from EPSG:4326 to EPSG:3857 ?i want to implement it in php code...

Asked on 08/11/2021 by Majed DH

3 answer

visualising edge_graph from list pgr_dijkstra graph

I am creating a query that finds the shortest path from dangerous crossing nodes to hospitals (many-to-many). I have the proper output from pgr_dijkstra, with output as followsseq |...

Asked on 08/11/2021 by shitathakin

0 answer

Select lines on top of lines in same shapefile with ArcGIS

I have a street centerline shape file where segments for bi-directional roadways are drawn as two stacked lines. The top segment for one direction of travel, the bottom segment for...

Asked on 08/11/2021 by Mercator

2 answer

Can't log into dockerized GeoServer while using nginx proxy rules: login breaks at j_spring_security_check

I am currently trying to deploy as part of an app package through docker a geoserver instance that will be serving up wms tiles for geovisualization purposes. However, even though...

Asked on 08/11/2021 by R. M. Spies

0 answer

Saving WMS layers in ArcGIS Pro so that they are accessible offline

How do I save WMS data, specifically WMS layers, so that they may be accessible online? I am using these two databases:one with layers containing map information:( ...

Asked on 08/11/2021 by Helen Heng

0 answer

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