Project

General

Profile

QGis Miscellaneous

QGIS Introduction:
https://www.birdseyeviewgis.com/blog/2018/2/22/my-favorite-features-of-qgis-30to-date
3D visualization of raster DEM- https://www.youtube.com/watch?v=2KrCsbP0kUs

Spatial query:
Spatial Query is selection of features that satisfies a certain condition which relates to other features in a space.
Using plugin- Spatial query
http://www.geodose.com/2018/03/spatial-query-in-qgis-3.html
Labelling:
Labelling with more than one field names and in different lines
'\n'

Hierarchy of extensions

File levels and their uses.
https://nathanw.net/2014/03/22/all-the-q-files/

The Project file (.qgs)
It contains: Layer source pointer + Style information + Composers + a whole heap of other stuff

The Layer Definition file (.qlr)
It contains: Layer source pointer + Style information

The QML file (.qml)
It contains: Style information