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## org.deegree.model.spatialschema
Interface GenericSurface

All Known Subinterfaces:
  Polygon, Surface, SurfacePatch

All Known Implementing Classes:
  PolygonImpl, SurfaceImpl, SurfacePatchImpl

    public interface GenericSurface

The interface defines the basis of surfaces and surface patches

-----------------------------------------------------

Version:
  $Revision: 18195 $ $Date: 2009-06-18 17:55:39 +0200 (Do, 18. Jun 2009) $

Author:
  Andreas Poth

Method Summary
`double` | `getArea()` The operation "area" shall return the area of this GenericSurface.
`Envelope` | `getEnvelope()`
`double` | `getPerimeter()`

Method Detail

### getPerimeter

    double getPerimeter()

  Returns:
    the length of all boundaries of the surface in a reference system appropriate for measuring distances.

### getArea

    double getArea()

  The operation "area" shall return the area of this GenericSurface. The area of a 2 dimensional geometric object shall be a numeric measure of its surface area Since area is an accumulation (integral) of the product of two distances, its return value shall be in a unit of measure appropriate for measuring distances squared.

  Returns:
    the area

### getEnvelope

    Envelope getEnvelope()

  Returns:
    the bounding box of the surface

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