Who can use this feature
Editors of a project within a Professional or Pro + workspace.
In GeoNadir, our data are hierarchically organized in layers. A polygon layer for example, will consist of one or more polygon features nested within it. You can see this quite easily in the table of contents inside a project.
In the image below, the 'buildings' layer consists of 10 polygon features. One of those polygon features is selected - you can see this highlighted both on the table of contents and in the map.
In this example, the number of polygons on the map matches the number in the table of contents. This means that these are single-part polygons.
However, this is not always the case.
Consider now this second example:
To simplify the information, we have used the dissolve tool on the four polygons that represent accommodation buildings. Now in the table of contents, there is only one feature selected ('accommodation'), but on the map there are four polygons selected. This means that these are multi-part polygons. That is, one feature consists of multiple parts (in this case, multiple polygons).
Multi-part features can be created by using dissolve or intersect. They may also exist in your project if you have imported vectors from other software.
So, if you would like to create single-part features from your multi-part features, simply use the Split tool.
Select the layer or feature with multi-part polygons
From the top menu bar, click on the drop down arrow next to the dissolve tool
Click on the button to
Split
Make sure to expand the layer in your table of contents to verify that your multi-part polygons have been split into multiple single-part polygons