ChucktheTinkerer
Posts: 6
Joined: Thu May 02, 2013 11:28 pm

Re: Digital Geology

Sun Sep 14, 2014 8:44 pm

Hi:

I think that using the Arduino to help with geologic mapping is "the long way around".
Nowdays, most smartphones have built-in GPS and compasses and there are probably lots of cheap or free apps that would help you with mapping. The typical cost of a smartphone with GPS and compass is $50 to $100 new, cheaper on the used market.

A good example of archaeological mapping may be found at:
Landscape Surveying using Handheld GPS Receivers
http://www.swaag.org/publicationsSE2.htm

The app "Geology Sample Collector" may be something you can use.
https://play.google.com/store/apps/deta ... 1000&hl=en

Or maybe GeDroid Mapper:
https://play.google.com/store/apps/deta ... pper&hl=en
https://gsa.confex.com/gsa/2012SE/final ... 202468.htm

Chuck

Parkview
Posts: 58
Joined: Sun Feb 17, 2013 1:51 pm

Re: Digital Geology

Sun Sep 14, 2014 11:59 pm

I stumbled across this GIS tablet software recently: https://github.com/NathanW2/Roam/tree/linux
I haven't had a go at compiling it on a RPi yet. They are looking to eventually get it to compile for the Android platform. It runs via Python and Qt and looks to be very advanced.

The HDMIPi screens (non-touch screen) are being shipped soon and hopefully after that, the RPi display (built in touch screen). Adafruit do sell a range of small resistive and capacitance touch screens.

I was going to try and writing something simple my self, perhaps using pygame, but if Roam would run on a RPi, I would rather help develop that, as it hooks right into the QGIS desktop software.

My needs are for a Biology GIS data recorder and waypoint locator. I want to be able to record data about a plant and then find it again the following year. I use QGIS back at home to make up the species maps.

Parkview
Posts: 58
Joined: Sun Feb 17, 2013 1:51 pm

Re: Digital Geology

Sat Jan 24, 2015 7:10 am

In case anyone finds this and is interested in building their own GIS Tablet, I have started a post here: http://www.raspberrypi.org/forums/viewt ... 83#p676683

about my attempt at building one.

User avatar
Gavinmc42
Posts: 3747
Joined: Wed Aug 28, 2013 3:31 am

Re: Digital Geology

Sat Sep 07, 2019 7:45 am

With the Pi4 out, time to revive old posts?

I have been playing with OpenGL and throwing things at the Pi4 to see what runs.
Games push hardware so I threw games at it.
OAD runs on the 2GB version, did not on the 1GB Pi3/4's.
Needed something harder - Flightgear runs on a 2GB Pi4 :D

That got me interested in scenery and real world mapping.
Grass GIS and QCIS installed and ran.
Still need to throw some maps at them and those can be 80GB's :o
Might need a 4GB Pi4 for that.

The last time I looked at free map DEMs decades ago they were only 10m contours.
I even had to buy CDROMs of some maps.
Australia has moved about 2 meters from where it used to be since then.
Now with Lidar that is down to 1m.
The Australian Government is now aiming at 5-10cm for 2020 :shock: .

A human portable version needs a daylight screen, ClearInk looks promising
Pi4's have been said to be desktop replacements, GIS is very much a desktop application.

I got Openscenegraph working as it was a Flightgear prerequisite.
OSGEarth and OSGOcean next?

What other GIS apps run?
How to turn Desktop GIS into portable GIS for field work?
Solar powered drone robots for mining exploration, wildlife survey etc.
With location down to 10cm accuracy what can be done now?

I suppose lots of Pi's are already being used for this, embedded into GIS gear?
And those using them probably don't post on here.
For the Citizen Scientists GIS just got very cheap.
I'm dancing on Rainbows.
Raspberries are not Apples or Oranges

User avatar
Gavinmc42
Posts: 3747
Joined: Wed Aug 28, 2013 3:31 am

Re: Digital Geology

Sat Sep 07, 2019 8:24 am

Just went back to learning Flightgear, it has apps to converts GIS data to scenery.
Guess what, Terragear GUI just compiled and works on Pi4.

Flightgear syncs to the real world via OSGEarth.
I suppose that's one reason FG is used in Universities etc

Magnetic survey mapping with drones?
Probably already being done?

DIYdrone had a bit on the Chinese using drone swarms to wipe out armyworms.
Drone swarms for magnetic surveys?
Anyway the point I'm getting around too.
What software can do 3D geology mapping for magnetic surveys?
I'm dancing on Rainbows.
Raspberries are not Apples or Oranges

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