Status colour Yellow title 5.8.0+
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As Feature Builder is a component of Feature Editing, it is only available for OGC Standard Layers i.e. where the data is held in a PostgreSQL database. The PostgreSQL database can be on either the Local iShare server or a Remote server such as a the iShare SDW. Feature Editing is allowed across all schemas in the PostgreSQL database not just the public schema. Permission is granted via the Layer Roles tab on the Roles node in Studio. In addition, the Map Source in which a Layer resides must be secured with one or more Roles before a Layer is editable - see Applying Roles to Map Sources for more information.
Using Feature Builder
Once First you have selected need to select the Edit Features for icon 
from the available Actions for the Layer 
for your Polygon Layer and selected the New feature button, or Multi-Polygon Layer.
Now select either the Create or Modify mode, depending on whether you wish to create a new feature or modify an existing one. Then you will see the new Feature Builder switch under the Feature Editing heading. It will also be enabled if you select an existing Polygon feature using the Select feature button and clicking on the existing polygon on the map.
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Once you have switched Feature Builder on you then click on the map button outlined in red below.
Click the Feature Builder button.
- The first map click will create a geometry from the underlying OS MasterMap feature.
- Clicking on
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- adjoining features will enlarge the geometry to include the selected polygons.
- Clicking on
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- the current geometry will remove
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If you click on non-adjacent features, you may end up with a shape that contains multiple parts and the Save button will be disabled.
Using Feature Builder in Feature Editing
1. Click on the Edit button for the layer
2. Select New Feature and enable the Feature Builder plugin
3. Select the polygon feature(s) you require from the map
- the area intersected by the underlying OS MasterMap feature.
- If your Layer is a MultiPolygon Layer you will be able to select multiple polygons to make up your feature e.g.
4. Clicking on an already selected feature will deselect it
5. Enter Once you are happy with the geometry you can enter any required attributes and click Save.
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If your Layer doesn't support Multi-Polygons and you click on non-adjacent features, you may end up with a shape that contains multiple parts and the Save button will be disabled. |
The polygon feature will be displayed on the map in the layer's style
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Using a Combination of Feature Builder and Freehand drawing
A park in OS MasterMap may be made up of lots of polygons representing different hard and soft surfaces. By combining manual editing and Feature Builder, polygons can be made up that represent an accurate boundary of the park. Similarly water bodies may contain islands or be separated by bridges etc. In order to create the geometry you want you can use a combination of Feature Builder, Add Geometry and manually deleting individual nodes.
| Select Polygons with Feature Builder | Select Add geometry and freehand draw a polygon to fill the gap | Hover over the nodes and press Delete to correct the boundary |
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