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10.03.2020
Categoria : WEB GIS Education Documents
Buffering is a process to analyze a single geometry or all geometries in an area according to a certain distance around them. In other words, it is used to analyze the proximity of geometry as a function of a certain distance.
Step 1: Tools -> Buffer>
After selecting the Tools menu click the Buffer button.
Step 2: Buffer Panel
This step can be performed in two different ways depending on the use of geometry.
2.1 Choose a Geometry
- When geometry is used, the user can create a buffer for only one selected geometry. To create a buffer for all geometries please see title 2.2.
- To select the geometry from the map for which the Buffer will be created, the user must first press the green button and select a geometry on the map.
- The distance in meters should be typed for the buffer area around the geometry
2.2 Choose a Layer
- Please select the Geometry Usage Method as Choose a Layer.
- The layer that will be used to create the buffer and that contains the geometries should be selected.
- If one of the fields of the attribute table of the layer to be used to create the buffer contains information, the corresponding field should be selected<. If there is no information, leave this section blank.
- If you want to create a buffer around more than one geometry in the layer, select “All Selected Geometries”; if you want to create a buffer around all geometries in the layer, select “All Geometries”, one of the two options must be selected.
- The distance in meters should be typed for the buffer area around the geometry
- The option “Create New Buffer Layer” should be activated so that no changes are made to the existing layer during buffer creation and the results are saved in a new layer.
The newly created layer is added to the Layer Box when the above actions are performed.
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