I am really new to QGIS and KML so this might be obvious but I am too ignorant to know what to do. I have some KML files I would like to use in an application but they are much more complicated than what I need. They contain multigeometry with a number of polygons and I would like to merge these regions to simply get the outline of the total region. In addition, I would like to reduce the number of vertices.
I saved this as a shapefile so I could access the Merge Selected Features tool and I merged all of the features:
But when I try to simplify the feature I get the error:
This feature cannot be simplified. Check if it has enough vertices to be simplified
In the documentation for Simplify Feature I saw it mentioned:
If a feature cannot be simplified (e.g. MultiPolygons), a message shows up.
So I thought this was likely the problem. Is there any way I can simplify this, or convert the multipolygon to a simple polygon?
Edit: During my searches I found mention of a plugin called fTools that seems to have some possibly useful functions, such as "Multipart to singleparts" and other vector tools that would be useful, however I do not seem to have it by default in QGIS 2.2, nor can I find it on the qgis plugins page. Is this plugin gone?