Preparing network Shapefiles and QGIS for editing

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- Layers panel
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- Browser panel
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- Vector Toolbar
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- Attributes Toolbar
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- Menu Toolbar
- Launch QGIS.
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Drag and drop a network file from your computer to the Layers panel of QGIS.
Network files are generally named gis_osm_roads_free_1.shp or similar. The network shape file appears in the display window. -
To add a background map, in the Browser panel, select .
The background map appears in the display window, and is listed in the Layers panel. Re-order the layers by dragging and dropping them in the Layers panel to ensure your network layer is on top.
- To make editing easier, turn the background layer to grayscale. In the Layers panel, right-click on .
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Filter the road types to be included in your network geometry.
If you have polygons, use them to do the filtering. For more information, see Choosing roads using polygons. -
Before starting any editing, it is advised to create a copy of the network layer and
keep the original intact. If any road is deleted by mistake, it can be copied back in from
the original. In the Layers panel, right-click on the network file name, select .
The Save Vector Layer as... window appears.
- Select .
- Select , and select a location to save the file.
- Type a file name.
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Select
.A copy is saved and appears in the Layers panel.
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Right-click the original layer, select
.The OpenStreetMap, and the new network layer are displayed.
- To change the color of the new layer, right-click on your network layer and select Properties. Select Symbology and a color from the drop-down options. Change the width to a suitable size (0.4 is recommended). Select .