on December 29, 2022
How do I get JSON data into Python script from a ArcGIS geoprocessing service?
Geographic Information SystemsHow can you access geoprocessing functionality in a Python script? A geoprocessing service can be accessed through the Python window in ArcMap, a script tool, or a stand-alone script. A URL is used to connect to and use a geoprocessing service. Connect to a service using ImportToolbox. The path used to import the tool is
on December 29, 2022
Building a python plugin on qgiq 2.6.0
Geographic Information SystemsHow do I use Python plugins QGIS? To install or activate a plugin, go to Plugins ‣ Manage and install plugins…. Installed external python plugins are placed under ~/. qgis2/python/plugins folder. Home directory (denoted by above ~ ) on Windows is usually something like C:\Documents and Settings\(user) (on Windows XP or earlier) or C:\Users\(user) .
on December 29, 2022
Downloading a huge GeoJSON file for features
Geographic Information SystemsHow do I reduce the size of a GeoJSON file? To simplify GeoJSON files, we recommend using the free tool Mapshaper and following these steps. Open mapshaper.org and import your GeoJSON files by using the upload link or dragging your files into the webpage. Once the file has loaded into Mapshaper, click the “Simplify” link
on December 29, 2022
Using decimals in QGIS raster calculator
Geographic Information SystemsHow to do raster calculation in QGIS? To add a raster to the raster calculator expression field, double click its name in the Fields list. You can then use the operators to construct calculation expressions, or you can just type them into the box. In the Result layer section, you will need to define an
on December 29, 2022
Recursive query
Geographic Information SystemsWhat is a recursive query? A recursive query is one that is defined by a Union All with an initialization fullselect that seeds the recursion. The iterative fullselect contains a direct reference to itself in the FROM clause. There are additional restrictions as to what can be specified in the definition of a recursive query.
on December 29, 2022
How to edit a gpx file in a spreadsheet and export the edited table to a new gpx?
Geographic Information SystemsHow do I edit a GPX file? Here are your rough steps: Open the track log. put your mouse over the cloud of points to be deleted, and write down the coordinates. Open the track log in your favourite text editor. Search for the co-ordinates you wrote down, leaving off the last part for precision.
on December 29, 2022
Creating series of lines offset from starting points (ArcGIS, arcpy)
Geographic Information SystemsHow do I offset a line in ArcGIS? Creating a line with the Offset Line window Click the Edit tool. Click the line feature or features for which you want to create an offset line. Click Offset Line. Choose the target in which the new feature will be created. The direction of the selected line
on December 29, 2022
Feature Class to Shapefile with definitions not values
Geographic Information SystemsHow do I convert a feature class to a shapefile? Export the feature class to shapefile using the Feature Class To Shapefile tool Open the ArcGIS Pro project. On the top ribbon, click the Analysis tab, and click Tools. In the Geoprocessing pane, search for and click Feature Class To Shapefile (Conversion Tools). For Input
on December 28, 2022
Grouping database results based on intersection using MySQL GIS?
Geographic Information SystemsHow to find points contained in a polygon using MySQL? How To Find Points Contained in a Polygon Using MySQL ST_Distance_Sphere to compute the distance between two points on a sphere. Spatial indexes for InnoDB. GeoJSON integration which is, quoting from the RFC, “a geospatial data interchange format based on JSON.” Does MySQL support
on December 28, 2022
A way to identify which ui.Map() instance a widget is located in Earth Engine
Geographic Information SystemsWhat is ui panel? A ui. Panel is an upper-level UI container in which to arrange widgets. Each ui. Panel has a ui. How to use Google Earth API? Quote from video: You can now put Google Earth inside any web page with just a few lines of code and create your own world in