Polygon Dissolve
- Author: O.Conrad (c) 2008
- Menu: Shapes | Polygons
Description
Merges polygons, which share the same attribute value, and (optionally) dissolves borders between adjacent polygon parts. If no attribute or combination of attributes is chosen, all polygons will be merged. Uses the free and open source software library Clipper created by Angus Johnson.
References
Parameters
| Name | Type | Identifier | Description | Constraints | |
|---|---|---|---|---|---|
| Input | Polygons | shapes, input | POLYGONS | - | - |
| Output | Dissolved Polygons | shapes, output | DISSOLVED | - | - |
| Options | Dissolve Field(s) | table fields | FIELDS | - | - |
| Statistics Field(s) | table fields | STATISTICS | - | - | |
| Sum | boolean | STAT_SUM | - | Default: 0 | |
| Mean | boolean | STAT_AVG | - | Default: 1 | |
| Minimum | boolean | STAT_MIN | - | Default: 0 | |
| Maximum | boolean | STAT_MAX | - | Default: 0 | |
| Range | boolean | STAT_RNG | - | Default: 0 | |
| Deviation | boolean | STAT_DEV | - | Default: 0 | |
| Variance | boolean | STAT_VAR | - | Default: 0 | |
| Listing | boolean | STAT_LST | - | Default: 0 | |
| Count | boolean | STAT_NUM | - | Default: 0 | |
| Field Naming | choice | STAT_NAMING | - | Available Choices: [0] variable type + original name [1] original name + variable type [2] original name [3] variable type Default: 0 | |
| Keep Boundaries | boolean | BND_KEEP | - | Default: 0 | |
| Minimum Area | floating point number | MIN_AREA | - | Minimum: 0.000000 Default: 0.000000 | |
| Split Distinct Polygons | boolean | SPLIT_DISTINCT | - | Default: 0 |
Command Line
Usage: saga_cmd shapes_polygons 5 [-POLYGONS] [-DISSOLVED ] [-FIELDS ] [-STATISTICS ] [-STAT_SUM ] [-STAT_AVG ] [-STAT_MIN ] [-STAT_MAX ] [-STAT_RNG ] [-STAT_DEV ] [-STAT_VAR ] [-STAT_LST ] [-STAT_NUM ] [-STAT_NAMING ] [-BND_KEEP ] [-MIN_AREA ] [-SPLIT_DISTINCT ] -POLYGONS: Polygons shapes, input -DISSOLVED: Dissolved Polygons shapes, output -FIELDS: Dissolve Field(s) table fields -STATISTICS: Statistics Field(s) table fields -STAT_SUM: Sum boolean Default: 0 -STAT_AVG: Mean boolean Default: 1 -STAT_MIN: Minimum boolean Default: 0 -STAT_MAX: Maximum boolean Default: 0 -STAT_RNG: Range boolean Default: 0 -STAT_DEV: Deviation boolean Default: 0 -STAT_VAR: Variance boolean Default: 0 -STAT_LST: Listing boolean Default: 0 -STAT_NUM: Count boolean Default: 0 -STAT_NAMING: Field Naming choice Available Choices: [0] variable type + original name [1] original name + variable type [2] original name [3] variable type Default: 0 -BND_KEEP: Keep Boundaries boolean Default: 0 -MIN_AREA: Minimum Area floating point number Minimum: 0.000000 Default: 0.000000 -SPLIT_DISTINCT: Split Distinct Polygons boolean Default: 0