TRD 05: Data Presentation techniques (Mapping) Quantum GIS ...

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10.1 An Introduction to Using Plugins 10.1.6. Plugin templates If you like to develop your own QGIS-plugin the main sources include a nice script which guides you through the process of creating your own template-directory-structure within the QGIS-source-tree. The script lives in QGIS/src/plugins/plugin_builder.pl. The only thing to do is coding your functions into the plugin (and of course contribute your plugin the the QGIS-development-team). Beside that the QGIS-wiki (http://wiki.qgis.org) and the QGIS-blog (http://blog.qgis.org) provide useful articles about writing your own plugin as well. Check the websites for details! QGIS 0.8 User Guide 69
10.2 Using the GPS Plugin 10.2. Using the GPS Plugin 10.2.1. What is GPS? GPS, the Global Positioning System, is a satellite-based system that allows anyone with a GPS receiver to find their exact position anywhere in the world. It is used as an aid in navigation, for example in airplanes, in boats, and by hikers. The GPS receiver uses the signals from the satellites to calculate its latitude, longitude and (sometimes) elevation. Most receivers also have the capability to store locations (known as waypoints), sequences of locations that make up a planned route, and a tracklog or track of the receivers movement over time. Waypoints, routes, and tracks are the three basic feature types in GPS data. QGIS displays waypoints in point layers while routes and tracks are displayed in linestring layers. 10.2.2. Loading GPS data from a file There are dozens of different file formats for storing GPS data. The format that QGIS uses is called GPX (GPS eXchange format), which is a standard interchange format that can contain any number of waypoints, routes, and tracks in the same file. To load a GPX file you need to use the GPS Tools plugin. When this plugin is loaded a button with a small handheld GPS device will show up in the toolbar (the device looks a bit like a mobile phone). Clicking on this button will open the GPS Tools dialog (see figure 20). Figure 20: The GPS Tools dialog window QGIS 0.8 User Guide 70
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THE REGIONAL TRAINING WORKSHOP ON L
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Contents Contents Title Table of Co
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Contents 6. Working with OGC Data 4
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Contents E. Dependencies 95 E.1. Pr
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List of Tables List of Tables 1. Po
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1.2 Whats New in 0.8 9. Label featu
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3. Getting Started This chapter giv
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3.4 QGIS GUI 3.4. QGIS GUI When QGI
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3.4 QGIS GUI - Add a PostGIS Layer
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3.5 Rendering overview have been se
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3.6 Measuring features are read fro
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3.9 Spatial Bookmarks $HOME/.config
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TRD 05: Data Presentation techniques (Mapping) Quantum GIS ...

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