Simple pixel analysis
Geographic Information SystemsHow 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
Add new value combination to unique values, many fields symbology in Arc
Geographic Information SystemsHow do I combine values in Symbology in ArcGIS Pro? To group values together into one symbol class, follow these steps: While pressing the Ctrl key, click multiple symbol class rows from the table to select them. Right-click the Value or Label cell of one of the selected values and click Group values. to combine
Seeking USA electric transmission powerlines as shapefiles?
Geographic Information SystemsHow many transmission lines are there in the US? The U.S. electric transmission network consists of about 700,000 circuit miles of lines. Most of the lines operate using alternating current (AC), which is how power is typically generated and delivered to end-use customers. What is the highest voltage power line in the US? In the
Converting continuous to discrete data using ArcGIS Desktop?
Geographic Information SystemsCan you convert discrete to continuous? You can convert measures from discrete to continuous or from continuous to discrete. Click the field and choose Discrete or Continuous. The field is green when it is continuous, and blue when it is discrete. For measures in the Data pane, right-click the field and choose Convert to Discrete
Performing definition query against Polyline shape field in ArcGIS Desktop?
Geographic Information SystemsHow do I create a definition query in ArcGIS? Create a definition query for a layer On the Feature Layer tab set, click the Data tab. to open the Layer Properties dialog box with its Definition Query tab open. Click the New definition query button, or click its drop-down menu to create a new query
Python Scripting in QGIS to add features and select them?
Geographic Information SystemsHow do I select features in QGIS using Python? To select features, we simply pass a list of FIDs to layer. select() . The code below selects the features in layer that correspond to an FID in selectid . When you run this code in the QGIS python console you will see that these features
Sampling Image collection google earth engine
Geographic Information SystemsHow do I export an image collection from Google Earth Engine? To export an image to an asset in your Earth Engine assets folder, use Export. image. What is image collection in Google Earth Engine? An image collection refers to a set of Earth Engine images. For example, the collection of all Landsat 8 images
How to combine bands from different rasters using the global mapper raster calculator?
Geographic Information SystemsHow do you merge raster in Global Mapper? In order to merge the different GeoTIFF orthomosaic files in Global Mapper: On the menu bar, click File > Create New Map Catalog. In the window Save As, choose where the new Global Mapper Project will be saved and click Save. In the window Modify Map Catalog,
Toolbar button with drop down menu
Geographic Information SystemsWhat is a drop-down menu button? A drop-down menu is an easy option to display a range of choices. Initially, only one choice is displayed, such as “File,” “Edit” or “View.” When the user clicks on it, more choices within that category are presented. What are drop-down menus called? A drop-down list (abbreviated drop-down, or
Using ogr2ogr on Anaconda
Geographic Information SystemsHow do you use GDAL in Anaconda? First, create a new environment and install GDAL before any other packages. Second, remove and reinstall Anaconda. Third, try to reconcile any dependency issues. Fourth, download a GDAL wheel file and install it with pip .