Difference between Geographic-3D and Geocentric CRS
Hiking & ActivitiesWhat is the difference between geographic and geodetic? Two basic types of coordinate systems exist for geographic data: geodetic coordinate systems based on map projections and geographic coordinate systems based on latitude and longitude (for details, see for example Hake et al., 2002; Longley et al., 2006). What are the major differences between a geodetic
Filter expressions on attribute table
Hiking & ActivitiesHow do I filter features in attribute table in Qgis? Filtering In the Layers Panel, double-click on the layer you wish to filter. The Layer Properties window will open. Click on the General tab. Go to the Query Builder at the bottom right and click on it. You can now enter a Query. Click on
Calculating area of pixels in continuous raster using ArcGIS Desktop?
Hiking & ActivitiesHow do I calculate pixel area in ArcGIS? An easy way to find the area is to right click the output raster that you just created, click Properties, click the Symbology tab, and note the Count for the pixels that are displayed. How do you find total area of a raster? The „area“ function of
Python equivalent of EE ‘require’
Hiking & ActivitiesWhat is EE in Python? The Python API package is called ee . It must be imported and initialized for each new Python session and script: import ee. How to initialize Earth Engine in Python? First of all, run the following cell to initialize the API. The output will contain instructions on how to grant
Minimum and maximum coordinates of a polygon in Earth engine
Hiking & ActivitiesWhat are the minimum and maximum possible values for longitude and latitude for the planet? Latitude and longitude are a pair of numbers (coordinates) used to describe a position on the plane of a geographic coordinate system. The numbers are in decimal degrees format and range from -90 to 90 for latitude and -180 to
What QGIS tool or plugin is equivalent to the ESRI “Near” tool?
Hiking & ActivitiesIs QGIS similar to ArcGIS? QGIS is the lean and nimble open-source version of ArcGIS. Simpler than ArcGIS, it is perfect for small projects which use less data, and since it’s free, it’s ideal for organizations with leaner budgets. It’s compatible with ArcGIS, however, so QGIS users can still accept and work with ArcGIS-specific files.