Feature Class To Coverage (Conversion) (ArcInfo only) |
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Release 9.2
Last modified April 2, 2008 |
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Creates a single ArcInfo coverage from one or more input feature classes or layers.
Usage tips
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The cluster tolerance acts the same as the fuzzy tolerance in ArcInfo Workstation. The fuzzy tolerance of the output coverage will be the same as the cluster tolerance specified when executing this tool. If no cluster tolerance is specified, a default is calculated.
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Coverages do not support null geometries. Null geometries will be dropped during conversion.
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When one line feature class is entered as input, you can choose to build a coverage for arcs or routes. If the output contains a route subclass, it will be prefixed by ROUTE (for example, ROUTE.streets). The default type is ROUTE.
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When one polygon feature class is entered as input, you can choose to build a coverage for polygons or regions. If the output contains a region subclass, it will be prefixed by REGION (for example, REGION.parcels). The default type is REGION. The default precision of the output will be DOUBLE.
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It is suggested you run the Create Labels tool after successfully executing FeatureClass To Coverage to ensure all polygon features have an accurate label.
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If one point feature class and one polygon feature class are entered as inputs, the point feature class can represent labels for the output coverage. To do this, choose LABEL as the type of features for the input points.
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When more than two line feature classes or layers are entered, only one of the feature classes can have arcs built in the output coverage. The remaining feature classes will contain routes.
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When more than two polygon feature classes or layers are entered, only one of the feature classes can have polygons built in the output coverage. The remaining feature classes will contain regions.
Command line syntax
An overview of the Command Line window
FeatureclassToCoverage_conversion <Features {Type};Features {Type}...> <out_cover> {cluster_tolerance} {DOUBLE | SINGLE}
| Parameter | Explanation | Data Type |
| <Features {Type};Features {Type}...> |
The input feature classes or layers used to create a single ArcInfo coverage, including the type of features the coverage will be composed of. |
(Feature Layer String; Feature Layer String;...) |
| <out_cover> |
The output coverage to be created. |
Coverage |
| {cluster_tolerance} |
The minimum distance separating all feature coordinates (nodes and vertices) as well as the distance a coordinate can move in X or Y (or both). You can set the value to be higher for data that has less coordinate accuracy and lower for datasets with extremely high accuracy. |
Linear unit |
| {DOUBLE | SINGLE} |
The precision of the output ArcInfo coverage.
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Boolean |
Command line example
Featureclasstocoverage_conversion "C:\workspace\harvestable.shp POLYGON;C:\workspace\stands.shp REGION" C:\workspace\studyarea 1.25 DOUBLE
Scripting syntax
About getting started with writing geoprocessing scripts
FeatureclassToCoverage_conversion (in_features, out_cover, cluster_tolerance, precision)
| Parameter | Explanation | Data Type |
| in_features (Required) |
The input feature classes or layers used to create a single ArcInfo coverage, including the type of features the coverage will be composed of. |
(Feature Layer String; Feature Layer String;...) |
| out_cover (Required) |
The output coverage to be created. |
Coverage |
| cluster_tolerance (Optional) |
The minimum distance separating all feature coordinates (nodes and vertices) as well as the distance a coordinate can move in X or Y (or both). You can set the value to be higher for data that has less coordinate accuracy and lower for datasets with extremely high accuracy. |
Linear unit |
| precision (Optional) |
The precision of the output ArcInfo coverage.
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Boolean |
Data types for geoprocessing tool parameters
Script example
import arcgisscripting gp = arcgisscripting.create() gp.workspace = "c:/test_data" gp.featureclasstocoverage "harvestable.shp polygon; final_forest/polygon region; road.lyr arc", "parkland", "1.25", "double"