Posted on February 16, 2023 (Updated on July 10, 2025)
How to access attributes from linked tables (QGIS 2.14.2 Essen)
Hiking & ActivitiesHow do I search for attributes in a table in QGIS? For a simple search by attributes on only one column, choose the Column filter ‣ from the menu in the bottom left corner. Select the field (column) on which the search should be performed from the drop-down menu, and hit the [Apply] button. Then,
Posted on February 16, 2023 (Updated on July 10, 2025)
Opening CHIRPS’ NetCDF file in QGIS
Hiking & ActivitiesHow do I open a netCDF file in QGIS? There are different ways to open a netCDF file in QGIS. Either click on the icon on the top left, as shown below, or drag and drop a file directly onto the map canvas. Choose a netCDF file (. nc), then click on the variable you
Posted on February 16, 2023 (Updated on July 10, 2025)
Choosing string from dropdown list rather than typing it into Python script tool?
Hiking & ActivitiesHow do I set script tool parameters? To access script tool properties, right-click the tool, click Properties, and click the Parameters tab. To add a parameter, click the first empty cell under the Label column and type the name of the parameter. This is the name that will be displayed in the Geoprocessing pane and
Posted on February 16, 2023 (Updated on July 10, 2025)
How do I cluster by features in CartoDB?
Hiking & ActivitiesWhat is clustering on a map? Geospatial clustering is the process of organizing a set of geographical features into groupings named “clusters”. Features inside a cluster are highly similar, whereas the clusters are as diverse as possible. Clustering’s purpose is to generalize and expose a relationship between spatial and non-spatial attributes. What is clustering significance?
Posted on February 16, 2023 (Updated on July 10, 2025)
QGIS change line start and end point
Hiking & ActivitiesHow do I change a line to a point in QGIS? Method 2 – QGIS Geometry Tool From the menu select Vector>> Geometry Tools>> Extract nodes. Set the following: The source layer to be the line file you wish to convert. The output file name and location. Click “Run” and the tool will create a
Posted on February 16, 2023 (Updated on July 10, 2025)
How to calculate the perimeter of the polygon using python programming
Hiking & ActivitiesHow do you find the perimeter of a polygon in Python? Program to find perimeter of a polygon in Python Define a function getInfo() . return square root of ((x1-x2)*(x1-x2)+(y1-y2)*(y1-y2)) which is Euclidean distance. between (x1, y1) and (x2, y2) From the main method, do the following. N := size of points. (firstx, firsty) :=