Understanding proj4, epsg and esri *.prj in depth?
Hiking & ActivitiesWhat does EPSG mean in GIS? European Petroleum Survey Group Answer. EPSG stands for European Petroleum Survey Group. They publish a database of coordinate system information plus some very good related documents on map projections and datums. The Projection Engine uses a modified version of the EPSG model. What is PRJ file format in Esri
Dem file in .adf format, while .tiff is needed
Hiking & ActivitiesIs TIFF a DEM file? Tiff files are a type of Raster, which are supported in QGIS. The fact that your Tiff is a DEM (Digital Elevation Model) just gives meaning to the values of the pixels in the Raster, but does not affect the file format. Can ArcGIS read TIF files? GeoTIFF is the
Python Script Performance as an ArcGIS Tool Versus Stand-Alone
Hiking & ActivitiesWhat are the benefits of scripting with Python in ArcGIS? Some of the advantages of Python are as follows: Easy to learn and suitable for both beginners and experts. Highly scalable, suitable for large projects or small one-off programs known as scripts. Portable, cross-platform. Embeddable (making ArcGIS scriptable) Stable and mature. Large user community. What
With a WMS server Url, how to know it is a Web map service or a Web map tile service?
Hiking & ActivitiesHow do I check my WMS service? Open the “GIS Servers” folder and “Add WMS Server”. 2. In the “Add WMS Server” dialog, enter the URL of the WMS service you wish to view (available from the WMS Services web page of the Geoscience Portal). What is a WMS URL? A web map service (WMS)
Visualizing 3D focal mechanism (beach ball) in QGIS
Hiking & ActivitiesHow do you plot focal mechanism? Plot single focal mechanism by clicking button on map toolbar, and then double clicking on the earthquake location on the map. This will plot on the map, and you can drag it to the location where you want it. What is focal mechanism beach ball plot? A focal mechanism,
App using latitude and longitude, should decimal degrees be separate a selection from metric?
Hiking & ActivitiesIs latitude and longitude in decimal degrees? Decimal degrees (DD) is a notation for expressing latitude and longitude geographic coordinates as decimal fractions of a degree. How do you write decimal degrees in latitude and longitude? Here are examples of formats that work: Decimal degrees (DD): 41.40338, 2.17403. Degrees, minutes, and seconds (DMS): 41°24’12.2″N 2°10’26.5″E.