How do I work with GRASS regions?
Geographic Information SystemsWhat is grass region? Grasslands are found where there is not enough regular rainfall to support the growth of a forest, but not so little that a desert forms. In fact, grasslands often lie between forests and deserts. Depending on how they’re defined, grasslands account for between 20 and 40 percent of the world’s land
“App” function returns a wrong output format
Geographic Information SystemsWhat is %V in Golang? The verb %v (‘v’ for ‘value’) always formats the argument in its default form, just how Print or Println would show it. The special verb %T (‘T’ for ‘Type’) prints the type of the argument rather than its value. The examples are not exhaustive; see the package comment for all
Getting information from roads API
Geographic Information SystemsCan I get traffic data from Google Maps API? Google Maps facilitates APIs to provide access to this data with a paid subscription. Google Maps also make this traffic data publicly available through their web interface, but with limited features and requires further pre-processing. Is Google route API free? You won’t be charged until your
1990 US Census Block Boundary File?
Geographic Information SystemsWhat is a boundary file? The Boundary files portray the geographic limits used for census dissemination and are available for Provinces and Territories, Census Divisions, Economic Regions, Census Metropolitan Areas and Census Agglomerations, Census Consolidated Subdivisions, Census Subdivisions and Aggregate Dissemination Area. What are Tiger files? TIGER/Line files are a digital database of geographic features,
Is there a good free Flat style map tile available?
Geographic Information SystemsIs OpenMapTiles free? OpenMapTiles is an open-source project aiming to create world maps from open data. It consists of a set of tools allowing everyone to create their own vector map tiles from OpenStreetMap data for hosting, self-hosting, or offline use. It is available as free software on OpenMapTiles.org. How do I download Google map
Qgis OSM and layer projection problem
Geographic Information SystemsHow do I Reproject points in QGIS? Quote from video: So it's in a projected coordinate system. And it turns out the other files are also in that utm zone 18n. So basically we can't move forward without making sure this topo profile line is in the How do I change the coordinate system in
Dice a polygon with over 21 million vertices in ArcMap?
Geographic Information SystemsHow do you calculate polygons in ArcMap? Calculating area, length, and other geometric properties Start an edit session. Right-click the layer and click Open Attribute Table. Right-click the field heading for which you want to make a calculation and click Calculate Geometry. Click the geometric property you want to calculate. How do I add vertices
Removing duplicate pairs in Near Table
Geographic Information SystemsHow can I remove duplicates from a table? If a table has duplicate rows, we can delete it by using the DELETE statement. In the case, we have a column, which is not the part of group used to evaluate the duplicate records in the table. How do I remove duplicates from a table in
QGIS Clipping Raster ERROR Cutline polygon is invalid
Geographic Information SystemsCan you clip a raster Qgis? If you have raster data, you will need to use the Clipper tool. Click on the Raster menu, mouse-over Extraction, and click on Clipper… Click “Select…” next to the Output file, find your working folder, and name the output raster. How do you clip a layer in Qgis? Quote
Calculating the percentage of polygons overlapping within the same layer in QGIS
Geographic Information SystemsHow does Qgis calculate overlap? Duplicate the same layer and select the spatial query tool. Add the original and the copied layers. Select overlap instead of intersection. Run it, and you find the intersecting buffers highlighted. What is percentage overlap? This powerful feature allows the time axis on the Spectrogram and 3-D Surface plot to