QGIS Tutorial – Vector Analysis – Create New Projection



Projection is a method to represent 3D data into 2D. It plays a important role in GIS. A map projection is termed as Coordinate Reference System (CRS) and QGIS allows users to define custom CRS. So in this article QGIS Tutorial – Vector Analysis – Create New Projection we will get familiar with creating your own CRS as per need.

Create 3D map in QGIS

Change projection of a georeference file in other projection – Reprojection in QGIS

QGIS Tutorial – Vector Analysis – Create New Projection

  • Start a new map >> upload a vector file using add layer in layer in menu bar.
  • Go to Setting menu bar >> select Custom Projections

QGIS Tutorial - Vector Analysis - Create New Projection

  • Tap on Add new CRS button for new projection creation shown in below image.

QGIS Tutorial - Vector Analysis - Create New Projection

In the Name field fill Van der Grinten I  and in the Parameters fill this string

+proj=vandg +lon_0=0 +x_0=0 +y_0=0 +R_A +a=6371000 +b=6371000 +units=m +no_defs

And in the last click on OK

QGIS Tutorial - Vector Analysis - Create New Projection

  • Now click on CRS button in the status bar at the bottom right of QGIS button.

QGIS Tutorial - Vector Analysis - Create New Projection

  • Filter the user defined projection, Select and click on OK button.

QGIS Tutorial - Vector Analysis - Create New Projection

Here is the map with new projection. It looks interesting then earlier one.

QGIS Tutorial - Vector Analysis - Create New Projection

This is about creating or changing projection of vector data in QGIS. If you are newbie learn OGIS from Free QGIS Tutorials

Use IGIS Map Tool for GIS Mapping.

Download Shapefile free and practice in IGIS Map Tool.