Useful tips for everyday
What is data mapping in database? Data mapping is the process of matching fields from one database to another. It’s the first step to facilitate…
What are spatial clusters? Knox (1989, p. 17) defines a spatial cluster as, ‘a geographically bounded group of occurrences of sufficient size and concentration to…
What does APN parcel stand for? Assessor Parcel Numbers Assessor Parcel Numbers (APNs) are unique identifiers designed to help the Assessor, Tax Collector, other government…
How do I merge DEM data in ArcGIS? Merging DEMs Load the DEMs files you want to filter. On the main menu, click Customize >…
What are graduated colors? Graduated color symbology is used to show a quantitative difference between mapped features by varying the color of symbols. Data is…
What is projected coordinate system in ArcGIS? A projected coordinate system is a planar system that uses two-dimensional coordinates and linear distance measurements as units.…
What are the API types for Mapbox GL JS? Existing layer types and APIs will continue to work with the new 3D terrain. The new…
How to change shapefile from one CRS to another in QGIS? Im trying to convert shapefile from one CRS to another in QGIS. On the…
How to calculate cost surface distance in ArcGIS? Cost distance tools calculate for each cell the least accumulative cost to specified source locations over a…
What is digital elevation model in QGIS? DEMs are files that contain either points (vector) or pixels (raster), with each point or pixel having an…