on January 11, 2023
Returning shape.area in code block of ArcGIS Field Calculator with if statement?
Geographic Information SystemsHow do I calculate the area of a shape 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
on January 11, 2023
Installing NVS Vector Stream Tool with ArcGIS Desktop version later than 10.0?
Geographic Information SystemsWhat is the latest version of ArcGIS for desktop? ArcGIS 10.8.2 ArcGIS 10.8. 2 is the current release of ArcMap and will continue to be supported until March 01, 2026 as established in the ArcGIS Desktop Product Life Cycle. We do not have plans to release an ArcMap 10.9 with the ArcGIS releases in 2021.
on January 11, 2023
Defining Latitude and Longitude before defining Datum?
Geographic Information SystemsWhat datum is latitude and longitude? The North American datum of 1983 (NAD 83) is the United States horizontal or geometric datum. It provides latitude and longitude and some height information. What comes first in coordinates latitude or longitude? latitude Handy tip: when giving a co-ordinate, latitude (north or south) always precedes longitude (east or
on January 11, 2023
Sub-querying 3 tables in definition query without join
Geographic Information SystemsHow do you write a subquery in a SELECT statement? You usually put subqueries inside brackets and you can use them with comparison operators such as =, , =. A valid use case of a subquery is using it with the SELECT statement when you don’t know the exact value in the database. Are subqueries
on January 11, 2023
Looking for average temperature data for Afghanistan
Geographic Information SystemsTemperature in Afghanistan averaged 12.68 celsius from , reaching an all time high of 14.30 celsius in 2021 and a record low of 11.08 celsius in 1972. This page includes a chart with historical data for Afghanistan Average Temperature. Where can I find temperature data? First, find the location you need climate data for on
on January 11, 2023
Terminating Python Script in QGIS console?
Geographic Information SystemsHow do I end a process in Qgis? From command shell, “taskkill /f /im qgis-ltr-bin.exe /t” would terminate the process immediately.May 29, 2017 How do I cancel a command in Qgis? While running an algorithm a text-based feedback bar is shown, and the operation can be cancelled via CTRL + C . The run command
on January 11, 2023
Is it possible to add an extra column with a specific value on SpatiaLite using ogr2ogr?
Geographic Information SystemsWhat does ogr2ogr do? ogr2ogr can be used to convert simple features data between file formats. It can also perform various operations during the process, such as spatial or attribute selection, reducing the set of attributes, setting the output coordinate system or even reprojecting the features during translation. What is an ogr file? What is
on January 11, 2023
Circle detection on binary image
Geographic Information SystemsHow can I identify a circle in an image? In order to detect the circles, or any other geometric shape, we first need to detect the edges of the objects present in the image. The edges in an image are the points for which there is a sharp change of color. For instance, the edge
on January 11, 2023
PostGIS convert GeoJSON to geography
Geographic Information SystemsHow do I import a GeoJSON file into PostGIS? Here are a few examples: Convert GeoJSON to PostGIS: > ogr2ogr -f “PostgreSQL” PG:”dbname=my_database user=postgres” “source_data.json” Convert GeoJSON to ESRI Shapefile: > ogr2ogr -f “ESRI Shapefile” destination_data.shp “source-data.json” Convert Shapefile to PostGIS: What is the difference between geometry and geography data in PostGIS? PostGIS gives you
on January 11, 2023
Issue when transforming an EE.Image into numpy array
Geographic Information SystemsCan an image could be converted into a NumPy array? Images are an easier way to represent the working model. In Machine Learning, Python uses the image data in the format of Height, Width, Channel format. i.e. Images are converted into Numpy Array in Height, Width, Channel format. Why do we convert image to NumPy