Opening CHIRPS’ NetCDF file in QGIS
Geographic Information SystemsHow do I open a netCDF file in QGIS? There are different ways to open a netCDF file in QGIS. Either click on the icon on the top left, as shown below, or drag and drop a file directly onto the map canvas. Choose a netCDF file (. nc), then click on the variable you
How do I cluster by features in CartoDB?
Geographic Information SystemsWhat is clustering on a map? Geospatial clustering is the process of organizing a set of geographical features into groupings named “clusters”. Features inside a cluster are highly similar, whereas the clusters are as diverse as possible. Clustering’s purpose is to generalize and expose a relationship between spatial and non-spatial attributes. What is clustering significance?
QGIS change line start and end point
Geographic Information SystemsHow do I change a line to a point in QGIS? Method 2 – QGIS Geometry Tool From the menu select Vector>> Geometry Tools>> Extract nodes. Set the following: The source layer to be the line file you wish to convert. The output file name and location. Click “Run” and the tool will create a
How to calculate the perimeter of the polygon using python programming
Geographic Information SystemsHow do you find the perimeter of a polygon in Python? Program to find perimeter of a polygon in Python Define a function getInfo() . return square root of ((x1-x2)*(x1-x2)+(y1-y2)*(y1-y2)) which is Euclidean distance. between (x1, y1) and (x2, y2) From the main method, do the following. N := size of points. (firstx, firsty) :=
Grouping polygons that are part of fishnet using ArcGIS Desktop?
Geographic Information SystemsHow do you divide a polygon into equal parts in ArcMap? Select a feature with the Select Parcel Feature tool, right-click Parcel Division. You can divide by Equal Area or Equal Width. Please see the ESRI online help (parcel division). Save this answer. How do I split a polygon into multiple polygons in Arcgis? To
Gdalinfo gives no georeferencing information for a PostGIS raster
Geographic Information SystemsCan PostGIS store raster? The raster data type in PostGIS can be used to store any kind of raster data: images, elevation grids, model outputs, and more. One band, four band, multi-band and anything in between. This flexibility leads some beginners to dump all their imagery into the database as “step one” in a system
Dividing polygon into tiny polygons of particular size
Geographic Information SystemsHow do you split a polygon? To split a polygon, use the Cut Polygons tool, then draw a line across the polygon. The cut operation updates the shape of the existing feature and creates one or more new features. If there is no domain assigned to a field, the attribute values are copied from the
Fail to import gdal from conda environment?
Geographic Information SystemsHow to install GDAL in Anaconda environment? If you’re using Anaconda3, the easiest way to install GDAL is to create a virtual environment through Anaconda Navigator, choosing Python 3.6 as the preferred version. Then, choose gdal from the list of uninstalled Python packages. This will install gdal version 2.1. 0. How to import GDAL in
Connecting QGIS 2.14.3 to SQL 2012 both on LocalHost or Remote
Geographic Information SystemsHow to connect to SQL Server database in QGIS? To connect to your SQL Table via QGIS, choose Layer > Add Layer > Add MSSQL Layer > and in the Data Source Manager choose to create a New Connection and enter the details for your SQL Database. How do I connect to local SQL Server
Convert over 360 degree range of coordinates to +/-180 longitude range in R?
Geographic Information SystemsHow to convert longitude from 0 360 to 180? If you know for certain that your input longitudes range between 0 and 360 , then yes: just subtract 360 from values that are greater than (or equal to) 180 . This will gracefully handle any longitude value with no other logic required. Are longitudes 180