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The layer s QGIS work like layers of Inkscape; Highly recommended reading articles Tagged Image File Format and Shapefile; Georeferenced file (either vector or raster) ≠ non-georeferenced file (either vector or raster); Graphics software (Inkscape) ≠ mapping software (QGIS can "read" the georeferencing of a file);
QGis (full name: Quantum GIS) is a GPL license, cross-platform (Windows, Linux, Mac), and rather friendly cartographic software application. It is a Geographic Information System (GIS) program you can use to create, view, and analyze maps.
To use the QGis palettes, simply copy-paste the code into a text document, then save as PALETTENAME.qml. Then, in QGis and while working on a layer : QGis > Layer > Properties > Load a style > [browse, select the .qml file, load] > Apply. It is advised to create a specific '/Mapcolors' folder to store these .qml files.
QGIS functions as geographic information system (GIS) software, allowing users to analyze and edit spatial information, in addition to composing and exporting graphical maps. [2] QGIS supports raster, vector, mesh, and point cloud layers. [4] Vector data is stored as either point, line, or polygon features.
After importing geospatial data into PDF, one can use the data in a variety of ways: [1] Find and mark location coordinates. Measure distance, perimeter, and area. Change the coordinate system and measurement units. Copy location coordinates to the clipboard, and then use them to show locations in several web mapping services.
The vast majority of modern cartography is done with the help of computers, usually using GIS but production of quality cartography is also achieved by importing layers into a design program to refine it. Most GIS software gives the user substantial control over the appearance of the data. Cartographic work serves two major functions:
OpenStreetMap (abbreviated OSM) is a free, open map database updated and maintained by a community of volunteers via open collaboration. [4] Contributors collect data from surveys, trace from aerial photo imagery or satellite imagery, and import from other freely licensed geodata sources.
QGis (1.7) > (double click on the layer to reproject) > Layer's properties (window pop up) > tab 'Coordinates Reference System (CRS)' > Layer Spatial Reference System : [projection's definition] > (copy it) In progress Which new projection for my map ? Secondly, you have to choice your target projection.