Extracting polygons that overlay other polygons in different layer in QGIS
Hiking & ActivitiesHow do you find overlapping polygons in QGIS? Enable Topology Checker Plugin in Plugin Manager. Add your polygonal layer in Topology Rule Settings window, select “must not overlap” rule and add them. To see overlap errors click on Validate button. How to copy polygon from one layer to another in QGIS with attributes? Start an
Matching csv of postal (zip) codes to another shapefile
Hiking & ActivitiesCan you convert a CSV to a shapefile? Upload your CSV data (widely used in software like MS Excel, LibreOffice and OpenOffice) and convert them by one click to SHP (Shapefile) format (widely used in software like ESRI ArcGIS and ArcView). How do I merge a shapefile with a CSV file? We’ll start by importing
Constructing geodetic lines
Hiking & ActivitiesWhat is the difference between planar and geodesic? Planar distance is straight-line Euclidean distance calculated in a 2D Cartesian coordinate system. Geodesic distance is calculated in a 3D spherical space as the distance across the curved surface of the world. What are geodesic measurements? A simple measure of the distance between two vertices in a
Variable is not recognize in QGIS expression using overlay_nearest function
Hiking & ActivitiesHow do I add an expression in QGIS? To add an attribute to the Field calculator Expression field, double click its name in the Fields and Values list. Generally, you can use the various fields, values and functions to construct the calculation expression, or you can just type it into the box. How to use
Object-Oriented LULC Classification in Google Earth Engine
Hiking & ActivitiesHow do you use Google Earth Engine classification? select(bands). classify(trained); // Display the inputs and the results. Map.The general workflow for classification is: Collect training data. Instantiate a classifier. Train the classifier using the training data. Classify an image or feature collection. Estimate classification error with independent validation data. What are the different methods of
Which hardware for running FME 2015 on linux
Hiking & ActivitiesWhat are the system requirements for FME? Recommended Hardware Requirements Pentium® 4, AMD Opteron or newer with 8GB or more of RAM and 20GB of available disk space. While FME products can operate on legacy hardware, additional memory, faster CPU and disk will significantly improve processing time. How to use FME software? How it Works