on February 18, 2023
Adding Esri Elevation to QGIS, possible?
Geographic Information SystemsHow do I add elevation data to QGIS? How to Create Elevation Profile in QGIS Open Profile tool plugin. Add the DEM layer using Add Layer button. Next, just draw a polyline on the QGIS map canvas where you want to create elevation profile as in figure 7. When finished the elevation profile will be
on February 18, 2023
Combining two shapefiles into third shapefile in ArcGIS
Geographic Information SystemsMerging Shapefiles in ArcGIS Desktop Add two or more shapefiles in ArcGIS Desktop. Select Geoprocessing. Select Merge. See Merge Tool screen. Add the two or more shapefiles in Input Datasets. Save the Output Dataset. Name the Output shapefile. Press OK. How do I combine shapefiles into one shapefile? Click on the Vector menu, Data Management
on February 18, 2023
ArcPy Calculate Field how to convert distances from decimal degree to meters
Geographic Information SystemsHow do you convert decimal degrees to meters? A value in decimal degrees to an accuracy of 4 decimal places is accurate to 11.1 meters (+/- 5.55 m) at the equator. A value in decimal degrees to 5 decimal places is accurate to 1.11 meter at the equator.Accuracy. decimal places degrees distance 2 0.01 1.11
on February 18, 2023
QGIS 2.12 Lines to Polygons not work properly
Geographic Information SystemsHow do I convert lines to polygons in QGIS? Steps to convert Polyline to Polygon on QGIS Open the layer file that you want to convert. Then, go to Vector | Geometry Tools | Line to polygon. It will open a new conversion window. Select the source layer you want to convert in the input
on February 18, 2023
How to label a FeatureLayer using ArcGIS Javascript 4.3
Geographic Information SystemsHow do I label a layer in ArcGIS? Open the map in the map viewer, click Details, and click Contents. Browse to the sublayer that contains the features you want to label. Click the arrow to the right of the layer name and click Create Labels. How do I label a feature in ArcGIS? In
on February 18, 2023
Feeding gdalwarp with binary data instead of ascii, how to specify header information
Geographic Information SystemsHow do you read and display the data from a binary file binary data? A = fread( fileID ) reads data from an open binary file into column vector A and positions the file pointer at the end-of-file marker. The binary file is indicated by the file identifier, fileID . Use fopen to open the
on February 18, 2023
Cumulative field calculation using Python in ArcGIS for Desktop?
Geographic Information SystemsHow do I use Python in ArcGIS desktop? The simplest way to use Python in ArcGIS is to enter Python commands into the Python window. The Python window prompts with three greater-than symbols (>>>), indicating the first line of the code block to execute. Simple Python syntax can be immediately entered and executed from this
on February 18, 2023
Best way to store, elaborate and query raster data
Geographic Information SystemsWhat is the storage of raster data? Raster data is stored as a grid of values which are rendered on a map as pixels. Each pixel value represents an area on the Earth’s surface. Vector data structures represent specific features on the Earth’s surface, and assign attributes to those features. Which is compact method for
on February 18, 2023
Exporting shapefile from SpatiaLite?
Geographic Information SystemsHow do I export a shapefile in ArcGIS? To export a shapefile, you can use the context menu from either the Project tab in the Catalog pane or the Contents pane of a map or scene containing layers. To export a shapefile from the Catalog pane, right-click it on the Project tab and point to
on February 18, 2023
QGIS How to draw lines from two points in a CSV?
Geographic Information SystemsHow do I convert Point data to line in QGIS? To do this in QGIS use the Points2One plugin. Install this plugin (available via Plugins > Manage and install plugins ) and follow the dialog to create a line from your points. If you have multiple lines, then make sure your points data has a