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Quantum GIS

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Anita G

on 3 December 2012

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Transcript of Quantum GIS

Creating Shapefiles & Spatialite What kind of data can we work with? QGIS Project & Structure http://www.qgis.org Essential Vector
& Raster Tools Must-have Plugins How can we create nice maps? An Introduction to Quantum GIS born in 2002 as a PostGIS viewer source: http://www.ohloh.net/p/qgis The QGIS Ecosystem http://gislounge.com/introducing-the-quantum-gis-ecosystem/ QGIS Desktop
QGIS Browser
QGIS Server
QGIS Webclient
QGIS for Android Where to get QGIS? all options on http://qgis.org/wiki/Download

on Windows I recommend http://download.osgeo.org/osgeo4w/osgeo4w-setup.exe Where to find help? user manual: http://qgis.org/en/documentation/manuals.html

wiki: http://www.qgis.org/wiki/
mailing lists: http://www.qgis.org/en/community/mailing-lists.html

blogs: http://plugins.qgis.org/planet

general: http://gis.stackexchange.com files databases web services vector files via OGR http://www.gdal.org/ogr/ogr_formats.html
raster files via GDAL http://www.gdal.org/formats_list.html
OpenStreetMap OSM files recommended:
PostGIS http://postgis.refractions.net/
Spatialite http://www.gaia-gis.it/gaia-sins/

but also:
Oracle Spatial
SQL Server
ESRI Personal GeoDatabase and FileGDB OGC web services such as: WMS, WFS and WPS.

e.g. services provided by the city of Vienna http://data.wien.gv.at/formate/ Notes about Projections Project properties: CRS & "on the fly" reprojection
Layer properties: CRS

reproject using "Save as ..."

define new CRS using Proj4 definition strings http://spatialreference.org/ creating & editing vector tools raster tools formerly known as "ftools" "On the fly" reprojection has no effect here!
Make sure all layers are in the same CRS. Buffer,
Spatial Joins, ... Vector menu more tools: MMQGIS Field Calculator also known as "GDAL tools" Polygonize,
Clip, ... Raster menu Raster Calculator Layers from spreadsheets and .csv Editing vector layers Time Manager QGIS Cloud Points2One Quick WKT Sextante OpenLayers http://qgissextante.blogspot.co.at/ http://qgiscloud.com/ http://plugins.qgis.org/plugins/timemanager/ Resources for Plugin Development PyQGIS Cookbook

API Docs

Developer mailing list
http://lists.osgeo.org/mailman/listinfo/qgis-developer layer styling labeling printing single style categorized & graduated rule-based basic labeling data-defined expressions animated spatio-temporal layers
image series export - video examples: http://www.youtube.com/playlist?list=PLF97A9E490FB2563D online tutorial: http://matharesiokenya.wordpress.com/2012/11/26/tutorial-making-maps-for-print-using-qgis/ by Anita Graser - http://underdark.wordpress.com
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