Note: Merge Polygons 3D
is only available in the
OpenCities Map Ultimate edition of this
product.
Use this tool to merge all of the selected, closed
elements into one. Only the first element selected will retain its properties
and annotation. The properties and annotation of the merged elements will be
deleted.
To merge multiple elements, add the elements to a
selection set prior to using Merge Polygon. All elements in the selection set
will be merged. If a selection set is not found, only two elements can be
merged.
The Merge Polygon tool has no settings when working in a
2D model. When working in a 2D model, elements to be merged must:
- Be in the
same feature class
- Share one
edge or overlap an adjacent element.
Valid closed elements in a 2D model are: Shape, Complex
Shape, Ellipse, Group Hole, and 2D polygon collection.
When working in a 3D model, the following must be true to
execute the merge:
- all elements
must be in the same feature class
- all elements
must be valid
- the output is
one polygon or one polygon collection
The following tool settings are available in a 3D model:
Settings
|
Description
|
Target Elements
|
Specifies which elements to merge.
- Surfaces - When Non-Planar is
disabled, the valid features are coplanar polygons and polygon collections
where all of its polygons are coplanar. Features that are not valid are
non-coplanar polygons or polygon collections with a non-coplanar polygon.
- For polygon collections:
- Merge Polygons will put all elements
in the same polygon collection.
- Two polygons will be merged if they
touch each other by an edge and are on the same plane, or if they overlap and
are on the same plane.
- For polygons:
- Two polygons will be merged only if
they are planar and they are on the same plane, and they are overlapping or
share at least one edge.
- Surfaces - When Non-Planar is enabled,
the valid features are coplanar and non-coplanar polygons and polygon
collections containing planar and non-coplanar polygons.
- For polygon collections:
- Merge Polygons will merge all polygons
of both collections into a single collection.
- Two polygons will be merged if they
touch each other by an edge or if they overlap and are on the same plane.
- For polygons:
- Two polygons will be merged if they
share at least and edge and are not crossing and don't overlap, or they overlap
and are on the same plane.
- Volumes - Valid features are
watertight polygon collections. Invalid features are polygon collections that
are not watertight polygons. The resulting collection will be watertight and
must not have any surfaces inside the merged collection. In the output
collection:
- Coplanar polygons sharing an edge will
be merged into a single polygon.
- Coplanar polygons that are overlapping
will be merged into a single polygon.
|
Note: If a merge rule is
defined in the feature definition, then that rule will be applied when setting
the new polygons properties. See the
OpenCities Geospatial Administrator section of
this help for details.
Key-ins:
SPLITMERGE MERGE
SPLITMERGE MERGETOOLSETTINGS