on February 15, 2023
Looping through all FeatureLayers in map using ArcGIS API for JavaScript
Geographic Information SystemsIs ArcGIS API for JavaScript free? The JavaScript API is hosted by Esri and is available for free use, please read the Terms of Use – FAQ for more info. How to add layer in Esri JavaScript? Steps Go to your dashboard to get an API key . In CodePen, set the apiKey to your
on February 15, 2023
Converting *.lyr file to shapefile or raster using ArcPy?
Geographic Information SystemsCan I convert a .lyr file to a shapefile? lyr). You can convert any layer to shape file by exporting it. From the pop up menu, click Data > Export Data. On the dialog, rename the output file name and folder if necessary. What is a lyr file? Layer Files (. lyr) are a means
on February 15, 2023
How many buildings are there in OpenStreetMap?
Geographic Information SystemsHow big is the OSM database? osm is the OpenStreetMap data in one file: all the nodes, ways and relations that make up our map. A new version is released every week. It’s a big file (on 2023-02-01, the plain OSM XML variant takes over 1696.6 GB when uncompressed from the 123.4 GB bzip2-compressed or
on February 15, 2023
How can models be integrated into Workflow Manager?
Geographic Information SystemsWhat does a workflow manager do? Workflow Manager (Classic) allows you to streamline and standardize your business process as workflows. The management and tracking of tasks performed or temporarily halted due to an issue are simplified. It automatically records information for each activity and provides tools to report information about each task. What is workflow
on February 15, 2023
Unable to enable CORS in geoserver
Geographic Information SystemsHow do I enable CORS in GeoServer? From a terminal, SSH into your GeoServer VM: ssh -p 2020 training@localhost . From there, go to the directory for GeoServer, and then into the WEB-INF subdirectory. This will allow access to GeoServer resources from any origin. How do I enable allow CORS? There are three ways to
on February 14, 2023
Increasing number of presets for layers in QGIS?
Geographic Information SystemsHow do I control rendering order in QGIS? To resolve this in QGIS, choose the Layer Properties and in the Symbology tab tick the option – Control feature rendering order. Then choose the Order button…. Here you can define the order of how your map features are drawn in the map. Where is layer styling
on February 14, 2023
OpenLayers – markers not displayed
Geographic Information SystemsHow do you create a simple map with a marker in OpenLayers? How to create a simple map (with a marker) using OpenLayers ? Put a element where you want your map to be. Now you can add a section at the end of the section (after the that loads OpenLayers JavaScript library). You can
on February 14, 2023
Error attempting to read GeoJSON file in Flask Application
Geographic Information SystemsHow do I read a GeoJSON file in Python? Read a GeoJSON File into a GeoPandas DataFrame df = gpd.read_file(‘.geojson’) df = gpd.read_file(‘‘) df = spark.read.geojson(‘.geojson’) How do I access a GeoJSON file? Just click the Open Data Source Manager button >> Vector Data >> Protocol HTTP(S), cloud, etc. >> Select GeoJSON type >>
on February 14, 2023
Can QGIS save layer direct to PostGIS?
Geographic Information SystemsHow do I import a layer from QGIS to PostGIS? Open QGIS, select Layer -> Add layer -> Add PostGIS layers, it should open the interface to connect a PostGIS table. 2. In the dialogue, click “New”, it should open the dialogue to configure the PostGIS server, and database (nyc1). Enter relevant information in Step
on February 14, 2023
Zip Code Boundary Maps for Commercial Use?
Geographic Information SystemsCan Google Maps show zip code boundaries? Yes, you can see one ZIP Code boundary at a time in Google Maps, but that’s of limited use if you’re trying to see all of the ZIP Codes in an area and don’t know what they are (for example, it’s not intuitive how to get Google Maps