This document teaches you how to create the buffer buffer area to existing geometries.

Creating Buffers Around Geometries
Admin 10.03.2020 Kategori : 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.

Creating Buffers Around Geometries

Step 2: Buffer Panel

This step can be performed in two different ways depending on the use of geometry.

2.1 Choose a Geometry

Creating Buffers Around Geometries

  1. 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.
  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.
  3. The distance in meters should be typed for the buffer area around the geometry

2.2 Choose a Layer

Creating Buffers Around Geometries

  1. Please select the Geometry Usage Method as Choose a Layer.
  2. The layer that will be used to create the buffer and that contains the geometries should be selected.
  3. 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.
  4. 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.
  5. The distance in meters should be typed for the buffer area around the geometry
  6. 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.

Creating Buffers Around Geometries

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