on February 7, 2023
Use QGIS for collaboration on a Geopackage on Google Drive
Geographic Information SystemsDoes Qgis support GeoPackage? QGIS. QGIS is the most used open source desktop GIS. Based on GDAL/OGR, it can read and write GeoPackage Features as of version 2.10. 1, and read Tiles as of version 2.18. How do I save a Qgis project as a GeoPackage? Store a project to a Geopackage If you already
on February 7, 2023
Could not open CMIP6 data downloaded from worldclim (v 2.1)
Geographic Information SystemsWhat data format does Worldclim use? The data are stored in ZIP (compressed) files. There is a ZIP file for each combination of resolution/format and climate element (mean, min, and max monthly average temperature and monthly total precipitation), the bioclimatic variables, and altitude. The ZIP files have names like X_R_F. What is the resolution of
on February 7, 2023
PSQL asks for a password
Geographic Information SystemsWhy does psql prompt for password? You must supply a password if the user account needs a password. You are loading the data as the “postgres” user so you need to supply its password. If you don’t want it to prompt for passwords at all, this can be done through the pg_hba. conf file. How
on February 7, 2023
Texas – State and Local Highways
Geographic Information SystemsWhat is a state highway in Texas? Texas state highways are a network of highways owned and maintained by the U.S. state of Texas. The Texas Department of Transportation (TxDOT) is the state agency responsible for the day-to-day operations and maintenance of the system. How many state highways are in Texas? 246 State highways in
on February 7, 2023
ArcMap GeoTiff Sample command gives invalid values in lines of GDAL Geotiff
Geographic Information SystemsHow to convert TIFF to GeoTIFF in ArcMap? GeoTIFFs are TIFF files that contain spatial reference information.Note: Start ArcMap. Open a map document. On the main menu, click File > Export Map. Choose Layout GeoTIFF (*. Specify a file name and a location for the exported file. On the General tab, enter the resolution, width,
on February 7, 2023
QField offline working with PostGIS database in a local network
Geographic Information SystemsCan you use QField offline? It is built with the QGIS rendering engine so your QGIS project (including symbology) will look exactly the same in QField. It supports most of the formats that QGIS supports including shapefiles and PostGIS databases and works fully when offline. How to connect QGIS to local PostGIS? Connect PostGIS to
on February 7, 2023
GeoServer property interpolation datastore
Geographic Information SystemsDoes GeoServer store data? The GeoServer data directory is the location in the file system where GeoServer stores its configuration information. The configuration defines what data is served by GeoServer, where it is stored, and how services interact with and serve the data. Where does GeoServer store data? If GeoServer is running in standalone mode
on February 7, 2023
WFS Layer error
Geographic Information SystemsHow do I add a WFS layer in Qgis? Open QGIS. From the ‘Manage Layers’ toolbar select the add WMS or add WFS icon.To Add WFS Select New in the ‘Add WFS Layer from a Server’ dialogue box. Select OK. In the ‘Add WFS Layer from a Server’ dialogue box, select Connect and then Apply.
on February 7, 2023
How to merge several shapefiles with the same geometries and same attribute names?
Geographic Information SystemsHow do I combine multiple shapefiles into one shapefile? Merging 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. Can you merge polygons in QGIS?
on February 7, 2023
Simplifying a multipolygon into one polygon respecting its outer boundaries
Geographic Information SystemsHow to convert Multipolygon to polygon? Converting multipolygons to polygons in PostGIS In PostGIS, you can use the ST_Dump function to convert multipolygons to polygons. The ST_Dump function returns a set of geometries that make up a geometry collection, such as a multipolygon. What is the difference between Multipolygon and polygon? A MULTIPOLYGON is a