on January 4, 2023
Georeferencing vector PDF/SVG/DXF linework using QGIS?
Geographic Information SystemsHow do I georeference a vector file in Qgis? Add lot_township_polygon to QGIS: under Layer on the toolbar, choose Add Vector Layer (alternatively the same icon you see next to “Add Vector Layer” can also be selected from the tool bar) Click Browse. Navigate to your unzipped file and select the file titled lot_township_polygon. shp.
on January 4, 2023
Installing/using additional Python modules with ArcPy and ArcMap
Geographic Information SystemsHow do I install additional modules in Python? Install Modules with pip Ensure the pip module is already installed. Verify the release of pip to ensure it is installed correctly. Install the new Python module using the command pip install <module-name> . To list all installed Python modules and packages, use the pip list command.
on January 4, 2023
How to show cell values of raster in ArcGIS
Geographic Information SystemsHow do I extract values from raster in ArcGIS? To extract values from multiple rasters or a multiband raster dataset, use the Extract Multi Values To Points tool. The interpolation option determines how the values will be obtained from the raster. The default option is to extract the exact cell value at the input locations.
on January 4, 2023
Problem with CRS metadata for UK Environment Agency LiDAR DSM tiles?
Geographic Information SystemsDoes LiDAR cover all of UK? Summary. The Environment Agency National LIDAR Programme aims to provide accurate elevation data at 1m spatial resolution for all of England by the end of 2021. The country has been divided into approximately 230 logical blocks with survey starting in November 2016.Oct 28, 2022 How do I check my
on January 4, 2023
Constructing Voronoi diagram in PostGIS
Geographic Information SystemsHow are Voronoi diagrams constructed? We start by joining each pair of vertices by a line. We then draw the perpendicular bisectors to each of these lines. These three bisectors must intersect, since any three points in the plane define a circle. We then remove the portions of each line beyond the intersection and the
on January 4, 2023
How to plot latitude and longitude stored in database on ArcGIS map
Geographic Information SystemsHow do I plot latitude and longitude in ArcGIS? Click File > Add Data > Add XY Data. Select the table that contains x,y coordinate data. Identify the columns that hold the x- and y-coordinates (and, optionally, the z-coordinate). Specify the coordinate system. How do you graph longitude and latitude on a map? How to
on January 4, 2023
Way to “rip” bicycle directions from Google Maps Classic?
Geographic Information SystemsHow do I download bike routes from Google Maps? Google Maps Offline Maps Google Maps is capable of bicycle navigation with offline map download: Select “Offline Maps” in the menu, then select “Choose your own map”, then select the map section and tap DOWNLOAD. Can you draw a bike route on Google Maps? Creating a
on January 4, 2023
Editing Code to save files as KMZ
Geographic Information SystemsHow do I convert a file to KMZ? KMZ Zipped KML Click inside the file drop area to upload files or drag & drop a file. You can upload maximum 10 files for the operation. Click on Convert button. Download link of result will be available instantly after conversion. You can also send a link
on January 4, 2023
Generating tessellation in ArcGIS Desktop versions before 10.3
Geographic Information SystemsIs ArcGIS desktop being phased out? Does this mean that ArcMap is going away? No. Even after support for ArcMap ends in 2026, customers can continue to use ArcMap as long as their license is valid. However, all desktop development efforts are focused on ArcGIS Pro, and customers are encouraged to migrate to ArcGIS Pro.
on January 4, 2023
Getting the monthly aggregate precipitation values from ERA5-Land Monthly Averaged – ECMWF Climate Reanalysis
Geographic Information SystemsHow do I download data from ERA5? ERA5 data can be downloaded through the CDS either via the CDS web interface or programmatically using the CDS API service. Any data in the CDS catalogue can be accessed in these two ways. And since such data is kept online, access is usually fast. Some parts of