How do I perform a proximity search with Postgis?
Hiking & ActivitiesHow do I find the distance between two points in PostGIS? Solutions 1) Using ST_DistanceSpheroid to Calculate the Spherical Distance Between Two Geometric Points in a Spherical Coordinate System. 2) Using ST_Distance to Calculate the Distance Between Two Geometric Points on the Projected Plane in a Projected Coordinate System. How to work with PostGIS? Sample
QGIS Real-Time Vector Layer Creation?
Hiking & ActivitiesHow do I create a vector layer in GIS? 5.1. Lesson: Creating a New Vector Dataset Open QGIS and create a new blank project. Navigate to and click on the menu entry Layer ► Create Layer ► New Shapefile Layer. Click … for the File name field. Navigate to the exercise_data directory. Save your new
How to Access the Current Value of the Scale Factor of a Map as a Variable (eg $map_scale) in Print Layouts in QGIS
Hiking & ActivitiesHow do I find the scale of a map in QGIS? The scale of the map can be changed in the “Main Properties” under “Scale”. Set the scale at which the map is to be displayed in the canvas. How do I get to layout view in QGIS? To open the layout manager dialog: from
EVI and NDVI range value
Hiking & ActivitiesWhat is EVI value? Enhanced Vegetation Index (EVI) The value range for EVI is –1 to +1, and for healthy vegetation, it varies between 0.2 and 0.8. Formula: EVI = 2.5 * ((NIR – RED) / ((NIR) + (C1 * RED) – (C2 * BLUE) + L)) What is the value range of NDVI? +1.0
Converting KML files for use with Python library Shapely
Hiking & ActivitiesHow to import KML file in Python? Quote from video: Now we're going to go ahead and open this up in Google Earth Pro and to do that we use sub process and we imported that here dot-com then we use open and we put in the path. Let's go ahead and run it. How
Location Allocation (lines) to Polygon map?
Hiking & ActivitiesHow do I use location-allocation in ArcGIS pro? Choose the best location with Location-Allocation Get the data. Create a map. Add the tutorial data to the project. Create the location-allocation layer. Add candidate facilities. Add demand points. Set up properties of the location-allocation analysis. Run the analysis to determine the best store locations. What ArcGIS