[Qgis-user] Process Land Cover Raster Data

Thu Aug 31 23:28:32 PDT 2023

Greetings Team

I work as a Radio Engineer in the NZ Public Safety Sector and a planning 
tool that I work with uses a land cover and elevation rasters.

New Zealand is divided up in series of 100km tiles each tile is 4000 x 
4000 representing a 25m square.

The contents of these files are a binary number from 0 to 50 
representing individual land cover categories, or 0 to approx 5000 
representing the elevation

Each of these tiles has a Xmin and Xmax for Easting and a Ymin and Ymax 
for Northing on the NZTM2000 grid.

*I want to be able to display and edit these 25m squares to fix some 
errors that affect our radio modelling.*

I am using QGIS 3.28.10 and have tried a variety of Raster imports but 
get a not supported format.

The file format is know as MSI Planet and is one of the default formats 
used for land cover in the radio coverage modelling tools.

I have attached a sample of the clutter file (this one was 31.25MB 
before zipping) I have also attached the index which show where on the 
NZTM2000 grid this tile resides.

I also have the same files in a format used by EDX which embeds the East 
- West North South Limits and the projection, but these are generated 
from the initial plain raster.

I have read some information about using satelite image stacks to 
generate land cover information, if I do that i need to be able to 
output the plain 100km x 100km block

I would be interested to any help you can give me.

Richard Hutchinson
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