on February 17, 2023
Postgis load raster to DB running on AWS RDS with raster2pgsql
Geographic Information SystemsHow do I import raster into PostGIS? raster2pgsql is the default tool for importing rasters to PostGIS.-d|a|c|p : These options are mutually exclusive: d : Drops and creates a table. a : Appends data to an existing table. c : Creates a new table. p : Turns on prepare mode. So no importing is done;
on February 17, 2023
Reading netCDF in ArcMap?
Geographic Information SystemsHow do I read a NetCDF file in ArcGIS? Start ArcMap. Select the tool “Make NetCDF Raster Layer” by either using the “Search” or expanding the branch “Multidimension Tools” in the “ArcToolbox”. For the input field “Input netCDF File” select the NetCDF file downloaded in step 1. Click the Variable drop-down arrow and choose a
on February 17, 2023
Formula for maximum coverage of a geostationary satellite based on earth station elevation
Geographic Information SystemsWhat is the formula of geostationary satellite? FA=R2GMm where G, equals, 6, point, 67, times, 10, to the power minus 11 , m, cubed, k, g, to the power minus 1 , s, to the power minus 2 ,G=6.67×10−11m3kg−1s−2 is the gravitational constant; M, equals, 5, point, 97, times, 10, to the power 24 ,
on February 17, 2023
Using Split vector Layer in QGIS
Geographic Information SystemsHow do I split a vector layer in QGIS? Steps to Split Vector Layer Based on Attribute in QGIS Open the vector layer in the QGIS canvas. And then double-click the Split vector layer from the QGIS Toolbox under Vector General. From the Split vector layer window, select the Input layer and then the Unique
on February 17, 2023
QGIS capabilities
Geographic Information SystemsQGIS currently offers vector analysis, raster analysis, sampling, geoprocessing, geometry and database management tools. You can also use the integrated GRASS tools, which include the complete GRASS functionality of more than 400 modules (see section GRASS GIS Integration). What can QGIS be used for? QGIS (Quantum Geographic Information System) is a free, open-source software that
on February 17, 2023
Displaying a dynamic KML file on Google Maps as it is on Google Earth
Geographic Information SystemsHow do I overlay a KML file in Google Maps? Unzipped KML and KMZ files can be up to 5 MB. On your computer, sign in to My Maps. Open or create a map. In the map legend, click Add layer. Give the new layer a name. Under the new layer, click Import. Upload the
on February 17, 2023
Applications of GIS in geomorphology
Geographic Information SystemsWhat are the application of GIS in geomorphology? With the continual development of GIS and RS techniques, GIS/RS has been widely used to classify landform and landscape units, extract specific landform features, quantify process-landform relationships, and detect geomorphic changes. What are the applications of geomorphology? Some of the areas of enquiry where geomorphology has been
on February 17, 2023
How was GPS not freely available for civilian use before 1983
Geographic Information SystemsWhen did GPS become available for civilian use? Image courtesy of U.S. Air Force. In 1983, President Ronald Reagan authorized the use of Navstar (or GPS as it became known) by civilian commercial airlines in an attempt to improve navigation and safety for air travel. Who made GPS available to the public? President Ronald Reagan
on February 17, 2023
Accessing HTML Popup in Layer Properties using ArcPy?
Geographic Information SystemsHow do I set pop-up properties for feature layers in HTML? Setting the properties of an HTML pop-up display Follow these steps: Right-click the layer to open the Layer Properties dialog box and click the HTML Popup tab. Check the Show content for this layer using the HTML Popup tool check box. Choose the option
on February 17, 2023
Convert polygon symbology to point symbology?
Geographic Information SystemsHow do I change a polygon to a point in ArcMap? on the Manage Features window. Select the polygon features you want to convert to points. In the Feature Manager window, click the Create tab. Select the point template you want to use for the polygon conversion. How do I convert a polygon to points