Posted on December 25, 2022 (Updated on July 10, 2025)
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
Posted on December 25, 2022 (Updated on July 10, 2025)
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.
Posted on December 25, 2022 (Updated on July 10, 2025)
Pearson correlation of two 1D array in Earth Engine
Hiking & ActivitiesCan Pearson correlation be used for ratio data? The Pearson correlation coefficient is used with interval or ratio data, hence option d) is correct. Can I use both Pearson and Spearman correlation? If you want to explore your data it is best to compute both, since the relation between the Spearman (S) and Pearson (P)
Posted on December 25, 2022 (Updated on July 10, 2025)
ArcMap populate field with value from another dataset
Hiking & ActivitiesHow do I calculate a field based on another field in ArcGIS? Procedure In ArcMap, right-click the selected layer in Table Of Contents, and select Open Attribute Table. In the attribute table window, create a new field. In the Editor toolbar, click Editor > Start Editing. Right-click the newly created field, and select Field Calculator.
Posted on December 25, 2022 (Updated on July 10, 2025)
How to calculate Percentages of NDVI Classes
Hiking & ActivitiesHow do you calculate NDVI change? NDVI is calculated with the following by dividing the difference of NIR and RED by the sum of NIR and RED. Essentially, healthy vegetation reflects a lot of NIR and absorbs most of the RED, while unhealthy vegetation reflects less NIR and less RED. How to calculate NDVI in
Posted on December 25, 2022 (Updated on July 10, 2025)
Is starting names with numbers a bad data naming convention?
Hiking & ActivitiesWhat is a poor file naming convention? File naming best practices: Avoid special characters or spaces in a file name. Use capitals and underscores instead of periods or spaces or slashes. Use date format ISO 8601: YYYYMMDD. Include a version number (Creamer et al. Can a filename starts with a number? A file name must