ArcGIS Python Script, Calculate Field

How do I calculate fields in ArcGIS? Right-click the layer or table you want to edit and open its table. Right-click the field heading for which you want to make a calculation and click Field Calculator. How do I calculate a field based on another field in ArcGIS? Procedure In ArcMap, right-click the selected layer

Creating NDVI from multispectral imagery?

What is the formula for calculating NDVI from multispectral imagery? NDVI = (NIR-R) ./ (NIR + R); % [In this step I couldn’t use / to compute, could you tell me why?] How do I create an NDVI image? Now, let’s go through the steps for how to create an NDVI map. Enable Image Analysis

Rendering 3D images from 2+ imagesets + DEM in QGIS

What are the steps to make 3D map from DEM? 4. Create 3D Map View In QGIS, go to View menu >> New 3D Map View. In the 3D Map 1 window: click the Configure button. Elevation: select your DEM or the hillshade. Make any changes to the other settings if you want. In the

Importing XML data into ArcGIS Desktop?

How do I import an XML file into ArcGIS? Import an XML workspace document Open the Import XML Workspace Document geoprocessing tool. For the Target Geodatabase, browse to the geodatabase where you want to import your data. Choose your XML workspace document for the Import File parameter. Select whether to import data and schema, or

Characterizing polygons that are created when joining 2 vector layers

What is a vector layer and what is its characteristics? A vector layer is a layer that allows you to edit lines that have already been drawn. You can change the brush tip or brush size, or change the shape of the lines using handles and control points. You can use the following tools on

Simple pixel analysis

How do you explain pixels to a child? What are pixels? Pixels, or picture elements, are the smallest points of visual components on a digital image. They may be dots, lines, or other kinds of shapes. On a digital screen, the colors of pixels are made by combining a mix of blue, green, and red.May

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