Archive for the ‘GMT’ Category

Excerpts from the Book

To give you a view into the book, we have added a couple of excerpts. These are available from the Excerpts page: Chapter 13, Using Command Line Tools Creating maps with GMT Chapter 15, GIS Scripting Writing a QGIS Python Plugin

February 5, 2012 · admin · No Comments
Posted in: Book, GMT, QGIS

The Proof is in Hand

The proof copy of The Geospatial Desktop has arrived and is being reviewed. It shouldn’t be long now before the book is available on Amazon. If you want to be notified when the book is available, use the Contact form to provide your email address. We’ll notify you when we have a firm date for [...]

January 18, 2012 · admin · No Comments
Posted in: Book, GDAL, GMT, OGR, QGIS

Creating an Overlay Map with GMT

In our previous GMT examples we used a single command to create a simple globe and create an annotated map. In this example we will create a base map and then use the overlay feature of GMT to plot the location of volcanoes throughout the world. The first step is to create the base map [...]

January 16, 2009 · admin · No Comments
Tags:  · Posted in: GMT

Creating an Annotated Map with GMT

For this example, we’ll create a map of Alaska and annotate it. If you looked at the Simple Globe example you’ll recall that the -R switch controls the extent of a GMT map. Alaska ranges from about 172 degrees east longitude to 130 degrees west. Using 360 degrees for the entire globe, this translates to [...]

February 22, 2008 · admin · No Comments
Tags:  · Posted in: GMT

Creating a Simple “Globe” with GMT

The Generic Mapping Tools (GMT) can be used to create high quality maps for printing or use in web pages or documents. You can easily create a simple globe (similar to the one on this website) using GMT. Here is the command: pscoast -JA0/20/2.5i -Bg30/g15 -Dl -A2000 -G187/142/46 -S109/202/255 \ -R0/360/-90/90 -P -N1 > simple_hemi.eps [...]

February 8, 2008 · admin · No Comments
Tags:  · Posted in: GMT