Differentiating bare soil and urban areas in Landsat 4-5 land cover classification
Hiking & ActivitiesHow is urban land cover classified? The urban land cover is classified into five different classes Bare land, water, vegetation, residential and buildings and road network. What is bare soil index? Bare Soil Index (BSI) is a numerical indicator that combines blue, red, near infrared and short wave infrared spectral bands to capture soil variations.
Removing no data and saving raster file using PyQGIS
Hiking & ActivitiesHow do I remove no data from raster QGIS? If you are only creating a map you can hide these values in QGIS by going to your layer properties –> transparency and then selecting the values you want to hide. Save this answer. How to convert NoData to 0 in QGIS? The simplest one-step and,
Matching points in table to polygons
Hiking & ActivitiesHow do you convert points to polygons? Procedure. Use the Points To Line tool with the ‘Close Line’ option checked to ensure every output line feature’s end point matches up with its start point, followed by the Feature To Polygon tool to connect the points to create a polygon. How do I convert points to
Defining Bertin1953 projection in QGIS 3.18.2 Zürich
Hiking & ActivitiesHow do you define projection in QGIS? To determine the projection of a layer, right click on the layer under the Layers window on the left side of the QGIS window. Next, under the Properties window, click on the Metadata tab. The CRS assigned to the layer can be seen under the label Layer Spatial
Preload map tiles that are outside current map view in Leaflet
Hiking & ActivitiesCan leaflet use vector tiles? Leaflet doesn’t support vector tiles by default. For basemaps, it is recommended to use it with traditional raster tiles (Mercator XYZ). Such tiles can be generated on demand for any of the GL styles with the open-source server software called TileServer GL. What is Tilelayer in leaflet? Used to load
Perform Calculations in Cartesian Frame (NED/ECEF) Vs. Geodetic Frame
Hiking & ActivitiesWhat is the difference between geodetic and ECEF? Geodetic coordinates are probably the best choice for a LEO platform. This coordinate system allows the platform to be correctly positioned anywhere. In contrast, using the ECEF coordinate system would require the user to back out the earth rotation from the platform position since both are moving