on January 12, 2023
KML in QGis with additional Data
Geographic Information SystemsHow do I add data to a KML file? Overview of Adding Typed Data To add a custom type to a KML Feature, you perform two basic tasks: Create the element, which declares your new type. Create instances of the new type using the element. How to add KML data in QGIS? How to import
on January 12, 2023
Convert like raster cell values to a polygon?
Geographic Information SystemsHow do you convert raster to polygon? Navigate to ArcToolbox > Conversion Tools > From Raster > Raster to Polygon. In the Raster to Polygon window, specify the raster created in Step 2 in the Input raster field. Specify the name and location for the output polygon feature class. Fill in any optional parameters. How
on January 12, 2023
How to cluster Raster data
Geographic Information SystemsHow do you cluster a dataset? Here’s how it works: Select K, the number of clusters you want to identify. Randomly generate K (three) new points on your chart. Measure the distance between each data point and each centroid and assign each data point to its closest centroid and the corresponding cluster. What is clustering
on January 12, 2023
Joining two different spatial vectors?
Geographic Information SystemsHow to do spatial joins? Quote from video: If I right click on the neighborhood layer and go down to joins and relates. We'll see that one of the tools. I have available to me is the special join. How do I join spatial in QGIS? Spatial Join in QGIS – Steps 1.) Open Join
on January 12, 2023
ArcGIS Survey123 – Selecting a point on a map to collect data about
Geographic Information SystemsHow do you collect data from a field map? At your location with GPS averaging Enable GPS averaging in the settings in Field Maps. Open the map of your assets or observations. Tap Add . Choose the type of asset or observation to capture. If you need to update the location, tap Start averaging (for
on January 12, 2023
KEA File Conversion using gdal_translate
Geographic Information SystemsWhat does Gdal_translate do? The gdal_translate utility can be used to convert raster data between different formats, potentially performing some operations like subsettings, resampling, and rescaling pixels in the process. What is a KEA file? KEA is an image file format, named after the New Zealand bird, that provides a full implementation of the GDAL
on January 12, 2023
Rotating only one feature of a point layer
Geographic Information SystemsHow do I rotate a feature in Qgis? Quote from video: Okay we're going to click processing. Tool box it's going to open up our toolbox over here and in the search box we're going to type rotate rotates just like that.
on January 12, 2023
Alternatives to Shapefiles as open-source, cross platform dataset types
Geographic Information SystemsWhy you should use GeoPackage instead of shapefile? Geopackages run faster on algorithm outputs compared to shapefiles. In a geopackage, there is no limit on the file size and can handle large number of features in a smaller file size. A shapefile can handle maximum size of 2 GB and cannot export a vector layer
on January 12, 2023
Why are two incompatible projections used together in OpenLayers?
Geographic Information SystemsWhat are the two most common projection systems in design? Two common map projections used in the United States are the Lambert conformal conic and transverse Mercator. What is projection in OpenLayers? What projection is OpenLayers using? Every map that you’ll create with OpenLayers will have a view, and every view will have a projection.
on January 12, 2023
Saving raster layer from GeoPackage results in large GeoTIFF file
Geographic Information SystemsCan GeoPackage store raster? Tiled rasters GeoPackage can store tiles in different formats, PNG and/or JPEG for the baseline specification, and WebP for extended GeoPackage. How do you save a GeoPackage? Saving layer styles to a Geopackage To do so, go to the Symbology tab in the Layer properties windows. Select 1 Style > save