Posted on February 18, 2023 (Updated on July 10, 2025)
How to create a polygon with a circular hole in openlayers 3?
Hiking & ActivitiesHow do you create a polygon with a hole in it Arcgis pro? A hole in a polygon feature is a part of a multipart feature. To create a hole, finish the primary part and sketch the hole. Alternatively, you can split the feature and delete the part, or clip a hole using an existing
Posted on February 18, 2023 (Updated on July 10, 2025)
How to copy entire fields into a python list
Hiking & ActivitiesHow do I copy all the elements in a list Python? Different Ways to copy list: Using the slicing technique. Using the extend() method. List copy using =(assignment operator) Using the method of Shallow Copy. Using list comprehension. Using the append() method. Using the copy() method. What is copy () in Python list? Python
Posted on February 18, 2023 (Updated on July 10, 2025)
What’s a good way to implement an ‘Attributes to keep’ option in a QGIS processing script?
Hiking & ActivitiesHow to write a script for QGIS? Within QGIS, you can use Create new script in the Scripts menu at the top of the Processing Toolbox to open the Processing Script Editor where you can write your code. To simplify the task, you can start with a script template by using Create new script from
Posted on February 18, 2023 (Updated on July 10, 2025)
Labelling point elevations of raster (DEM) using QGIS
Hiking & ActivitiesHow to get elevation data from DEM in QGIS? Method Ensure that DEM and 2d_zsh line layer files are opened, and the Point Sampling Tool plugin has been installed (Plugins >> Manage and Install Plugins >> Point Sampling Tool) Convert line vertices to points, using the preferred method described in the QGIS Convert Lines to
Posted on February 18, 2023 (Updated on July 10, 2025)
Combine multiple geojsons
Hiking & ActivitiesHow do I combine multiple GeoJSON files into one? geojson-merge (for dummies) Start the node. Open cmd.exe. Browse to a folder where you’d like geojson-merge installed. In cmd.exe type the install string from above. Wait patiently, it could take a moment to start. Use cd node_modules to change directory to the node_modules folder. For simplicity
Posted on February 18, 2023 (Updated on July 10, 2025)
Georeferencing orthorectified raster
Hiking & ActivitiesWhat is the difference between orthorectified and georeferenced? Georectify take an image that has not been adjusted to be in a known coordinate system, and put it into a known coordinate system. Orthorectify take an image in its original geometry and very accurately adjust it so that it is in a known coordinate system, with