on January 13, 2023
Packing Polygons within polygon using ArcGIS Desktop?
Geographic Information SystemsHow do I add a polygon to an existing shapefile? Add a new shapefile or feature class to your project (right click on folder/feature dataset > new Shapefile/Feature Class… > feature type “Polygon”). Make sure to define your coordinate system if you are working with a shapefile. How do you cut polygon features along the
on January 13, 2023
Changing language keyboard OSGeo Live
Geographic Information SystemsHow do I switch between Language keyboards? Keyboard shortcut: To switch between keyboard layouts, press Alt+Shift. Note: The icon is just an example; it shows that English is the language of the active keyboard layout. The actual icon shown on your computer depends on the language of the active keyboard layout and version of Windows.
on January 13, 2023
Seeking third party mapbook extensions for ArcGIS Pro
Geographic Information SystemsHow do I get extensions for ArcGIS Pro? Follow these steps to enable these Extensions in ArcGIS: Start ArcGIS Pro. Click Settings. Click Licensing. Click ‘Configure your licensing options’ In the Licensing window tick the Extensions you require, then click OK. What extensions are included with ArcGIS Pro? The following extensions are included in the
on January 13, 2023
Projecting Microstation .dgn that has no coordinate system
Geographic Information SystemsHow do you identify an unknown coordinate system? Identifying an unknown coordinate system Start ArcMap with a new empty map and add the data with the unknown coordinate system. Right-click the layer name in the table of contents, click Properties to open the Layer Properties dialog box, select the Source tab, then examine the extent
on January 13, 2023
Mosaic to New Raster not allowing correct overlap
Geographic Information SystemsHow do I convert Mosaic to New raster? Open the Mosaic To New Raster tool by navigating to ArcToolbox > Data Management Tools > Raster > Raster Dataset. Insert the raster files. Select the output location. Specify a name and extension for the output. Specify the pixel type. Specify the number of bands. What
on January 13, 2023
“print()” alternative for nodeJS
Geographic Information SystemsHow to print value in nodejs? Basic output using the console module The most basic and most used method is console. log() , which prints the string you pass to it to the console. If you pass an object, it will render it as a string. const x = ‘x’; const y = ‘y’; console.
on January 13, 2023
Help converting X, Y coordinates to Lat Long
Geographic Information SystemsHow do you convert XY coordinates to latitude and longitude? Calculate latitude and longitude using the formula: latitude = asin (z/R) and longitude = atan2 (y,x). In this formula, we have the values of x, y, z and R from step 2. Asin is arc sin, which is a mathematical function, and atan2 is a
on January 13, 2023
Comma separated text in attribute tables
Geographic Information SystemsHow do you handle comma separated values in a CSV file? Since CSV files use the comma character “,” to separate columns, values that contain commas must be handled as a special case. These fields are wrapped within double quotation marks. The first double quote signifies the beginning of the column data, and the last
on January 13, 2023
How to select a raster file that is under a polygon in a vector file?
Geographic Information SystemsHow do you extract a polygon from a raster? In the Clip section, under Clipping Geometry/Raster, browse to the desired polygon features, and check the Use Input Features for Clipping Geometry check box. Click OK > OK. Export the raster to save it permanently. How do you join a raster to a polygon? Convert the
on January 13, 2023
How to input a string (or any type) value to a field for multiple feature layers at once
Geographic Information SystemsHow to replace the text in multiple fields in an attribute table using the field calculator tool? Procedure In the Calculate Field window, select the feature layer for Input Table, the field name for Field Name (Existing or New), and Python 3 for Expression Type. Double-click the field name under Fields, and . replace() under