In QGIS, a NetCDF file is opened as a raster with one band per timestamp. Unfortunately, the time is not set in the Temporal Settings, but it is shown in the name of the band and can be converted with an expression
Visualization of seasonal or cyclic time series data as a circular, polar heatmap
With the QGIS plugin Adjust Style it is easy to replace a font family anywhere in a map
In How to use PostGIS in a docker container I explained how to start two docker containers, with PostGIS and with PgAdmin4, with docker run and how to use them. There is another way: we can set up a configuration file compose.yaml and build and start both containers with docker compose. This way It is … Continue reading “PostGIS with Docker Compose”
A simple hack to change the color in the center of a sunburst chart
RasterWizard: get the data of a QGIS raster layer as a NumPy array, and the processing result back into QGIS as a new raster layer
9 day circuit hike around Matterhorn, Weisshorn and Dent Blanche
Creating the squared alternative to pie charts with Plotly in Python
In QGIS, filters normally ignore No Data cells automatically. However, this is not always easy, especially if a filter examines neighboring cells and these contain No Data. What happens depends on the implementation, but is problematic in both cases. In raster layers, “No Data” is coded with a specific number, e.g. -9999. If, for example, … Continue reading “QGIS: No Data in raster layers”
New QGIS plugin for raster layers with convolution, morphological filters, principal component analysis, statistics, etc.