Create MultiPolygon from QgsGeometry.fromMultiPolygon

How to create a MultiPolygon? To Create New Polygon and MultiPolygon Features Do one of the following: When prompted, specify the location for the new Polygon or MultiPolygon feature. Use the command line or right-click to complete the new feature. Press Enter to complete the operation. Check in the new features.   How do I

How can I export images with their metadata from Google Earth Engine to Google Cloud Storage?

How do I export Google Earth Engine data? To export an image to an asset in your Earth Engine assets folder, use Export. image. toAsset() . To manage your Earth Engine assets, or check how much of your storage quota is in use, use the Asset Manager. How do I export an image from Google

Risk Maps – Spatial Analysis

What is spatial risk analysis? Spatial Risk Management is based on geospatial analysis, which is taught e.g. in Graduate Programmes. The term Risk adds to the methods of statistical analysis and numerical analysis a special focus on geographical aspects of public/environmental health risks or potential damage to infrastructure and services.  What is spatial analysis in

Using Intersect tool Java

How do you use the intersect tool? Quote from video: Tools you find it right under the drop-down menu here intersect our input features roads buffer stream buffer okay and that returns only those overlapping. Areas. If we turn off the other buffers. What is the difference between intersect and overlap? Intersects – Two geometries

How to use Mapbox geocoder in OpenLayers application?

What is the difference between OpenLayers and Mapbox GL? Mapbox GL JS (standing for Graphics Library) is a JavaScript library that allows you to create maps that can include interactive data. OpenLayers is an open source JavaScript library used for displaying map data in web browsers. It allows putting dynamic maps in web pages.  How

Background map as open data from geoserver

How to add basemap in GeoServer? Click the generate bounds button to have GeoServer compute the group bounds from the layers inside of it. Ensure that your Geoserver is up, and open a desktop client (our case, Udig). Once both GeoServer and uDig are up, organize their windows so that you can see GeoServer and

Calculating area for range of values of spectral indices in QGIS?

How do you find the area of a raster value in QGIS? The function get_raster_area is used to calculate the total area of the raster. This is achieved by getting the total area of each cell and then multiply by the number of cells in the coverage raster. The function get_area calculates the total area

Ogr2ogr won’t read directory of GeoJSON into GPKG

What formats does ogr2ogr list? Ogr supports many data formats here is a subset of the ones we commonly use: ESRI Shapefile, MapInfo Tab file, CSV, DBF, GML, KML, Interlis, SQLite, GeoPackage,SpatiaLite, ODBC, ESRI GeoDatabase (MDB format), ESRI GDB database, PostGIS/PostgreSQL, MySQL. What does ogr2ogr do? ogr2ogr can be used to convert simple features data

How to add a save and load button in a Python-addin ArcGIS?

How do I add a PYT file to ArcGIS? In the list of side tabs, click the Exection tab. Type your Python code directly in the Execution tab. If encrypting your code is required, click the Encrypt button. and then provide a password. Optionally, if you already have a script, click the Folder button. and

Extracting data from GeoMedia *.mdf database without using GeoMedia?

How to extract data from MDF file? How to Export Data from MDF to Excel File? Open SQL Server Object Explorer. Select the database you want to export from the list and right-click to select Tasks >> Export Data.   How to read MDF file without SQL Server? The only way to access MDF files

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