on February 23, 2023
Error message trying to merge Shapefiles in Python
Geographic Information SystemsHow do I merge two shapefiles in Python? We will follow following steps to achieve this task. Import geopandas library. Read shapefiles using geopandas that you want to merge. Bring all those shapefiles into one common coordinate system. Use gpd. Export the merged geodataframe into shapefile. Hurray, you have successfully merge multiple shapefiles into one.
on February 23, 2023
Spatial Duplicates & Address Duplicates
Geographic Information SystemsWhat are duplicates in data? Duplicate data is any record that inadvertently shares data with another record in a Database. Duplicate data is easy to spot and it mostly occurs when transferring data between systems. The most popular occurrence of duplicate data is a complete carbon copy of a record. Why do duplicates occur in
on February 23, 2023
Arcgis dissolve output has greater area than inputs
Geographic Information SystemsHow does dissolve work in ArcGIS? Dissolve fields Features with the same value combinations for the specified fields will be aggregated (dissolved) into a single feature. The Dissolve Fields are written to the Output Feature Class. What is the difference between merge union and dissolve? How is the Merge Tool different from the Dissolve Tool?
on February 23, 2023
Importing QGIS ASCII DEM file?
Geographic Information SystemsHow do I add an ascii file to QGIS? asc) files can be directly opened in QGIS by selecting Layers >>> Add Raster Layer. Navigate to the desired file and select Open. How do I import a DEM file into QGIS? Open QGIS and open the DEM. To do this, go to the “Layer” at
on February 23, 2023
Earth Engine: supervised classification from ‘stacked’ images
Geographic Information SystemsHow do I classify an image in Google Earth Engine? Classify the Image & Display the Results select(bands). classify(classifier); // Define a palette for the Land Use classification. var palette = [ ‘D3D3D3’, // urban (0) // grey ‘0000FF’, // water (1) // blue ‘008000’ // forest (2) // green ]; // Display the classification
on February 23, 2023
Is there a way to configure ArcMap to persist the HTML popup window size?
Geographic Information SystemsHow to use HTML popup in ArcMap? 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 for the type of HTML display you would like to use. How
on February 23, 2023
Redoing an ArcGIS Server post-install
Geographic Information SystemsHow do I reinstall ArcGIS Server? ArcGIS Enterprise Step 1: Verify system requirements. Step 2: Plan your ArcGIS Server site configuration. Step 3: Adjust firewall settings. Step 4: Install ArcGIS Server. Step 5: Log in to Manager. Step 6: Install the ArcGIS Web Adaptor. Step 7: Connect to the server. Step 8: Grant permissions to
on February 23, 2023
Determining projection of paper map?
Geographic Information SystemsHow do you find the projection of a map? To find information about the projection used to create a map, look at its legend. The legend of a map may list a projection by name and give its parameters, such as Lambert conformal conic with standard parallels at 34° 02′ N and 35° 28′ N
on February 23, 2023
How to add OpenSeaMap to QGIS QuickMapServices?
Geographic Information SystemsHow do I add a map to QuickMapServices? Open the plugin’s search tab by clicking on Web ► QuickMapServices ► Search QMS. This option of the plugin allows you to filter the available base maps by the current extent of the map canvas. Click on the Filter by extent and you should see one service
on February 23, 2023
What is the coordinate system?
Geographic Information SystemsHow do you define a coordinate system? A coordinate system is a method for identifying the location of a point on the earth. Most coordinate systems use two numbers, a coordinate, to identify the location of a point. Each of these numbers indicates the distance between the point and some fixed reference point, called the