Managing the symbolisation of a vector layer – or, more simply, changing the style/look of the data – is one of the primary activities in GIS. It is done through the Symbolisation Manager.
The Symbolisation Manager is accessible from several places in the System.
- Administration Panel -> Layer List Management
- Map Panel -> Layer List
Symbolisation options
- Point layer
- Type of symbolisation: point
- Colour
- Size
- Transparency
- Visibility scale
- Symbolisation type: signature (SVG)
- Choice of icon/signature from among the defined ones
- Icon/signature size
- Transparency
- Visibility scale
- Type of symbolisation: point
- Line layer
- Line style (continuous, dotted, dashed, dashed dense, dashed with dots).
- Line colour (all RGB palette selectable)
- Transparency (from 0 to 100%)
- Line width in points
- Definition of visibility scale,
- Polygon layer
- Outline (continuous, dotted, dashed, dashed dense, dashed with dots)
- Filling colour
- Filling transparency
- Outline colour
- Outline transparency
- Outline width
- Visibility scale
Styling a line layer in the Symbolisation Manager
Manager’s description
- Style tab
- Left section – this is where you select the type of symbolisation and set its parameters
- Right section – this is where you set the basic settings depending on the type of geometry (point, line or polygon)
- Labelling management
- In addition, you can export and import the style
- Symbols tab – here you will find a library of SVG or PNG symbols which can be used to symbolise points. Tools
- Import icon – tools allow you to import an icon in SVG or PNG format (64x64px in size)
- Remove icon from library (if you hover the cursor over an icon, a cross will appear in the top right corner, allowing you to remove the icon).
- QGIS Style tab – only available if the QGIS Plug-in module is active.
Use cases
- Setting a single style
- Setting a unique style
- Setting a progressive style
- Setting the object label style
- Saving a style to a file
- Importing a style from a file
- Managing a signature library
- Managing styles for QGIS