RegionType.h

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//# RegionType.h: Define the various region types in an enum.
//# Copyright (C) 1998,2002
//# Associated Universities, Inc. Washington DC, USA.
//#
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//# License for more details.
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//# $Id: RegionType.h 18093 2004-11-30 17:51:10Z ddebonis $

#ifndef LATTICES_REGIONTYPE_H
#define LATTICES_REGIONTYPE_H

#include <casa/BasicSL/String.h>

namespace casa { //# NAMESPACE CASA - BEGIN

// <summary>
// Define the various region types.
// </summary>

// <use visibility=export>

// <reviewed reviewer="" date="" tests="">
// </reviewed>

// <synopsis>
// This class defines 2 enum's used by the region classes in module
// Lattices and Images.
// </synopsis>


class RegionType
{
public:
    // Define the type of region.
    // The values are used in regionmanager(gui).g, so they should
    // not be changed.
    enum Type {
        // Not used yet.
        Invalid = -1,
        // Other type is not used yet.
        Other = 0,
        // lattice region (pixel coordinates)
        LC = 1,
        // image region (world coordinates)
        WC = 2,
        // array slicer (pixel based with optional stride)
        ArrSlicer = 3,
        // Number of recognized types only
        nRegionTypes
    };

    // Define if a region is absolute or relative.
    // The values are used in regionmanager(gui).g, so they should
    // not be changed.
    enum AbsRelType {
        // absolute
        Abs    = 1,
        // relative to reference pixel
        RelRef = 2,
        // relative to center
        RelCen = 3,
        //# relative to a direction
//#     RelDir = 4,
        // Number of recognized types only
        nAbsRelTypes
    };

    static AbsRelType absRelTypeFromString(const String& absreltype);


};



} //# NAMESPACE CASA - END

#endif