Making PostGIS extension persist in the search_path of a PostgreSQL database?
Hiking & ActivitiesHow to add PostGIS extension to PostgreSQL database? Select the latest version of PostgreSQL and save the installer to disk. Run the installer and accept the defaults. Find and run the “StackBuilder” program that was installed with the database. Select the “Spatial Extensions” section and choose latest “PostGIS .. How to check PostGIS extension in
How to get the closest line to a selected polyline
Hiking & ActivitiesHow do you find the closest point to a point? The idea is to split the point set into two halves with a vertical line, find the closest pair within each half, and then find the closest pair between the two halves. The result of finding the closest pair within each half speeds up finding
QGIS 3 labelling issue
Hiking & ActivitiesHow do I fix labels in Qgis? 3.2.2. Follow Along: Changing Label Options Open the Layer Properties dialog by double-clicking on the places layer. Select the Labels tab. Make sure Text is selected in the left-hand options list, then update the text formatting options to match those shown here: Click Apply. Select Buffer from the
Geolocalizing archive aerial photos
Hiking & ActivitiesHow do I find old aerial photos? To see how images have changed over time, view past versions of a map on a timeline.View a map over time Open Google Earth. Find a location. Click View Historical Imagery or, above the 3D viewer, click Time . How do I get aerial photos? EarthExplorer is a
Export to PNG script not running
Hiking & ActivitiesWhy can’t I save my File as a PNG? You are not able to save your file as a PNG in Photoshop because your document is in CMYK color mode or is set to 32-bit channel. You can confirm this by going to Image>Mode… PNG files can only be saved in RGB and only support
Calculating Degrees Minutes Seconds (DMS) to nearest tenth of second in ArcGIS for Desktop?
Hiking & ActivitiesHow to convert degree minute second to degree decimal in ArcGIS? Converting degrees-minutes-seconds values to decimal degree… Add the table to ArcMap. Right-click the table in the table of contents and click Open. Click the Options button and click Add Field. Type Lat2 in the Name field. Click the Type drop-down arrow and click Double