Posted on February 14, 2023 (Updated on July 10, 2025)
Merging lines based on distance from point in QGIS
Hiking & ActivitiesHow do I merge lines in QGIS? Quote from video: Option go to edit geometry. And go to this uh option called merge selected features. How do I merge adjacent polygons in QGIS? Merge two polygons and maintain the attributes from the polygon that is selected last. Display the polygon coverage to edit in Edit
Posted on February 14, 2023 (Updated on July 10, 2025)
How to define the name of the table in shp2pgsql
Hiking & ActivitiesWhat is the usage of shp2pgsql? shp2pgsql is a command-line utility that can either extract the shapefile data into SQL or pipe the output directly into psql (we’ll see both approaches). shp2pgsql also has a GUI version that can be accessed directly in PgAdmin. In this example, we’ll use some NaturalEarth shapefiles we downloaded earlier.
Posted on February 14, 2023 (Updated on July 10, 2025)
QGIS fails to clip and produces empty shapes
Hiking & ActivitiesHow do I clip data from a shapefile in QGIS? Click the Vector menu at the top of the QGIS program, mouse-over Geoprocessing Tools, and click Clip… There are 3 areas to this tool you will need to be concerned with: Input vector layer: the larger shapefile. Clip layer: the boundary you want to clip
Posted on February 14, 2023 (Updated on July 10, 2025)
Using ouput data variables in subsequent calculation within ArcGIS ModelBuilder?
Hiking & ActivitiesHow do you connect things in model builder? Type directly in ModelBuilder to open the Add Tools To Model dialog box and search for a specific tool. You can add a tool to the model by double-clicking it. You can also drag one or multiple tools from the search results. The Add Tools To Model
Posted on February 14, 2023 (Updated on July 10, 2025)
Iterating an Earth Engine calculation (reducer) over every country in the world: a simple example
Hiking & ActivitiesHow can I use Google Earth Engine? Opening and running code in the Code Editor Open the Earth Engine Code Editor here: code.earthengine.google.com. If you have not already, you will need to enable access by logging in using a registered Google account. Navigate to the Scripts tab located on the far left of the Code
Posted on February 14, 2023 (Updated on July 10, 2025)
CartoDB: Geometry code too long, Excel can’t handle it
Hiking & ActivitiesWhat to do if a data set is too large for the Excel grid? How to open a data set that exceeds Excel’s grid limits Open a blank workbook in Excel. Go to the Data tab > From Text/CSV > find the file and select Import. Once loaded, Use the Field List to arrange fields