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Category Archives: GIS

Geological Mapping Technician – Introduction

Hello, I am the Geological Mapping Technician for the Geology Department at the University of Otago.

If you need any assistance with any topics that you consider could be related to technical aspects of geological mapping please come and see me or send me an email.

Topics include: geology software, general illustration software, GIS software, mapping hardware (UAV/drone, GNSS/GPS, cameras) and a whole lot more.

Stephen Read
Room 1n17
stephen.read@otago.ac.nz
www.otago.ac.nz/geology/staff/general/stephen-read.html

New training section: 3D Geology diagram techniques

I’ve just added a new set of pages in the training section of this website. These tutorial pages cover 3D Geology diagram techniques. The first tutorials for 3D diagrams using a mixture of free and non-free software are live now. I will also make alternate versions of these tutorials that use only free software soon.

New page: Digitising a geological map in ArcGIS Desktop

I’ve made a new page on the website which covers digitising a geological map in ArcGIS desktop. The page has written instructions and a series of screencasts that cover: georeferencing, digitising contacts, generating polygons and other steps. Links to other instructions that cover other parts of digitising a map are also included.

Plotting structural geology data in ArcGIS

Update: I suggest using ArcGIS Pro instead of ArcMap – if you need help with this let me know.

This tutorial covers plotting structural geology data in ArcGIS. In this tutorial I am going to use the example of plotting foliation data, but this is applicable to any data where a rotated symbol is required.

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Adding XY data to ArcGIS

This tutorial covers adding XY data to ArcGIS, so that you can view and work with the data in ArcGIS. By XY data I mean point data such as foliation that has a spatial (XY) component associated with it.

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