FDO API Reference

00001 /*
00002 * Copyright (C) 2004-2006  Autodesk, Inc.
00003 * 
00004 * This library is free software; you can redistribute it and/or
00005 * modify it under the terms of version 2.1 of the GNU Lesser
00006 * General Public License as published by the Free Software Foundation.
00007 * 
00008 * This library is distributed in the hope that it will be useful,
00009 * but WITHOUT ANY WARRANTY; without even the implied warranty of
00010 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00011 * Lesser General Public License for more details.
00012 * 
00013 * You should have received a copy of the GNU Lesser General Public
00014 * License along with this library; if not, write to the Free Software
00015 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
00016 */
00017 
00018 #ifndef FDOSPATIALGEOMETRYCONVERTER_H
00019 #define FDOSPATIALGEOMETRYCONVERTER_H
00020 
00021 #ifdef _WIN32
00022 #pragma once
00023 #endif //_WIN32
00024 
00025 // This class shows how to use the Geometry API to analyse a geometry in detail.
00026 // This example copies a geometry while applying a trivial transformation
00027 // (swapping X and Y ordinates) to each ordinate.  It can also convert between
00028 // dimensionalities.
00029 class FdoSpatialGeometryConverter
00030 {
00031 public:
00032     FDO_SPATIAL_API FdoSpatialGeometryConverter() {};
00033     FDO_SPATIAL_API virtual ~FdoSpatialGeometryConverter() {};
00034 
00035 public:
00036     FDO_SPATIAL_API FdoIGeometry * ConvertOrdinates(
00037         FdoIGeometry * geometry,
00038         bool applyTargetDimensionality=false,
00039         FdoInt32 targetDimensionality = 0,
00040         double padValueZ = 0.0,
00041         double padValueM = 0.0);
00042 
00043     FDO_SPATIAL_API virtual void ConvertPosition(
00044         double &x,
00045         double &y) = 0;
00046 
00047     FDO_SPATIAL_API virtual void ConvertPosition(
00048         double &x,
00049         double &y,
00050         double &z) = 0;
00051 
00052 protected:
00053 
00054     void ConvertOrdinates(
00055         FdoInt32 inputDim,
00056         FdoInt32 numPositions,
00057         const double * inputOrds,
00058         double padValueZ,
00059         double padValueM,
00060         FdoInt32 outputDim,
00061         double * outputOrds);
00062 
00063     FdoILinearRing * ConvertOrdinates(
00064         FdoILinearRing * ring,
00065         FdoInt32 outputDim,
00066         double padValueZ,
00067         double padValueM);
00068 
00069     FdoCurveSegmentCollection * ConvertOrdinates(
00070         FdoCurveSegmentCollection * csc,
00071         FdoInt32 outputDim,
00072         double padValueZ,
00073         double padValueM);
00074 
00075     FdoICurveSegmentAbstract * ConvertOrdinates(
00076         FdoICurveSegmentAbstract * cs,
00077         FdoInt32 outputDim,
00078         double padValueZ,
00079         double padValueM);
00080 
00081     double * AllocateOrdinates(FdoInt32 numOrdinates);
00082 
00083     FdoInt32 DimensionalityToNumOrdinates(FdoInt32 dimensionality);
00084 };
00085 
00086 #endif
SpatialGeometryConverter.h
