[GRASS-user] Using r.in.png

[Markus Neteler]

On Thu, Nov 1, 2018 at 6:47 PM David Davis <ddavis4305 at gmail.com> wrote:
>
> I've just re-entered the grass world,

Welcome back!

> so I'm not up to date.  However, I've been trying to import a PNG file as as background map - with no success at all.  Nothing apparently happens.
>
> The documentation on r.in.png is very terse.  Is there more?

For sure. Do you need to use the PNG file as as background map with
geographic reference?
Then also a world file is needed, do you have that?
If yes, just use r.import [1] instead of r.in.png and it should deal
with needed steps.

[1] https://grass.osgeo.org/grass74/manuals/r.import.html

Best
Markus



-- 
Markus Neteler, PhD
http://www.mundialis.de - free data with free software
http://grass.osgeo.org
http://courses.neteler.org/blog