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#ifndef _SHAPEFILE_H_INCLUDED |
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#define _SHAPEFILE_H_INCLUDED |
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/****************************************************************************** |
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* $Id$ |
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* |
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* Project: Shapelib |
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* Purpose: Primary include file for Shapelib. |
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* Author: Frank Warmerdam, [email protected] |
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* |
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****************************************************************************** |
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* Copyright (c) 1999, Frank Warmerdam |
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* |
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* This software is available under the following "MIT Style" license, |
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* or at the option of the licensee under the LGPL (see LICENSE.LGPL). This |
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* option is discussed in more detail in shapelib.html. |
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* |
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* -- |
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* |
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* Permission is hereby granted, free of charge, to any person obtaining a |
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* copy of this software and associated documentation files (the "Software"), |
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* to deal in the Software without restriction, including without limitation |
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* the rights to use, copy, modify, merge, publish, distribute, sublicense, |
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* and/or sell copies of the Software, and to permit persons to whom the |
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* Software is furnished to do so, subject to the following conditions: |
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* |
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* The above copyright notice and this permission notice shall be included |
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* in all copies or substantial portions of the Software. |
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* |
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS |
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER |
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* DEALINGS IN THE SOFTWARE. |
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****************************************************************************** |
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* |
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* $Log$ |
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* Revision 1.1 2001/08/28 15:41:52 bh |
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* import all the source files |
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* |
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* Revision 1.15 2000/02/16 16:03:51 warmerda |
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* added null shape support |
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* |
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* Revision 1.14 1999/11/05 14:12:05 warmerda |
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* updated license terms |
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* |
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* Revision 1.13 1999/06/02 18:24:21 warmerda |
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* added trimming code |
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* |
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* Revision 1.12 1999/06/02 17:56:12 warmerda |
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* added quad'' subnode support for trees |
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* |
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* Revision 1.11 1999/05/18 19:11:11 warmerda |
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* Added example searching capability |
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* |
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* Revision 1.10 1999/05/18 17:49:38 warmerda |
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* added initial quadtree support |
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* |
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* Revision 1.9 1999/05/11 03:19:28 warmerda |
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* added new Tuple api, and improved extension handling - add from candrsn |
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* |
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* Revision 1.8 1999/03/23 17:22:27 warmerda |
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* Added extern "C" protection for C++ users of shapefil.h. |
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* |
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* Revision 1.7 1998/12/31 15:31:07 warmerda |
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* Added the TRIM_DBF_WHITESPACE and DISABLE_MULTIPATCH_MEASURE options. |
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* |
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* Revision 1.6 1998/12/03 15:48:15 warmerda |
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* Added SHPCalculateExtents(). |
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* |
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* Revision 1.5 1998/11/09 20:57:16 warmerda |
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* Altered SHPGetInfo() call. |
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* |
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* Revision 1.4 1998/11/09 20:19:33 warmerda |
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* Added 3D support, and use of SHPObject. |
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* |
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* Revision 1.3 1995/08/23 02:24:05 warmerda |
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* Added support for reading bounds. |
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* |
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* Revision 1.2 1995/08/04 03:17:39 warmerda |
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* Added header. |
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* |
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*/ |
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#include <stdio.h> |
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#ifdef USE_DBMALLOC |
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#include <dbmalloc.h> |
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#endif |
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#ifdef __cplusplus |
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extern "C" { |
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#endif |
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/************************************************************************/ |
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/* Configuration options. */ |
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/************************************************************************/ |
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/* -------------------------------------------------------------------- */ |
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/* Should the DBFReadStringAttribute() strip leading and */ |
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/* trailing white space? */ |
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/* -------------------------------------------------------------------- */ |
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#define TRIM_DBF_WHITESPACE |
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/* -------------------------------------------------------------------- */ |
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/* Should we write measure values to the Multipatch object? */ |
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/* Reportedly ArcView crashes if we do write it, so for now it */ |
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/* is disabled. */ |
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/* -------------------------------------------------------------------- */ |
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#define DISABLE_MULTIPATCH_MEASURE |
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/************************************************************************/ |
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/* SHP Support. */ |
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/************************************************************************/ |
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typedef struct |
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{ |
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FILE *fpSHP; |
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FILE *fpSHX; |
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int nShapeType; /* SHPT_* */ |
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int nFileSize; /* SHP file */ |
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int nRecords; |
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int nMaxRecords; |
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int *panRecOffset; |
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int *panRecSize; |
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double adBoundsMin[4]; |
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double adBoundsMax[4]; |
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int bUpdated; |
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} SHPInfo; |
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typedef SHPInfo * SHPHandle; |
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/* -------------------------------------------------------------------- */ |
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/* Shape types (nSHPType) */ |
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/* -------------------------------------------------------------------- */ |
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#define SHPT_NULL 0 |
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#define SHPT_POINT 1 |
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#define SHPT_ARC 3 |
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#define SHPT_POLYGON 5 |
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#define SHPT_MULTIPOINT 8 |
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#define SHPT_POINTZ 11 |
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#define SHPT_ARCZ 13 |
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#define SHPT_POLYGONZ 15 |
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#define SHPT_MULTIPOINTZ 18 |
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#define SHPT_POINTM 21 |
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#define SHPT_ARCM 23 |
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#define SHPT_POLYGONM 25 |
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#define SHPT_MULTIPOINTM 28 |
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#define SHPT_MULTIPATCH 31 |
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/* -------------------------------------------------------------------- */ |
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/* Part types - everything but SHPT_MULTIPATCH just uses */ |
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/* SHPP_RING. */ |
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/* -------------------------------------------------------------------- */ |
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#define SHPP_TRISTRIP 0 |
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#define SHPP_TRIFAN 1 |
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#define SHPP_OUTERRING 2 |
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#define SHPP_INNERRING 3 |
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#define SHPP_FIRSTRING 4 |
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#define SHPP_RING 5 |
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/* -------------------------------------------------------------------- */ |
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/* SHPObject - represents on shape (without attributes) read */ |
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/* from the .shp file. */ |
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/* -------------------------------------------------------------------- */ |
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typedef struct |
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{ |
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int nSHPType; |
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int nShapeId; /* -1 is unknown/unassigned */ |
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int nParts; |
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int *panPartStart; |
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int *panPartType; |
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int nVertices; |
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double *padfX; |
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double *padfY; |
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double *padfZ; |
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double *padfM; |
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double dfXMin; |
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double dfYMin; |
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double dfZMin; |
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double dfMMin; |
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double dfXMax; |
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double dfYMax; |
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double dfZMax; |
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double dfMMax; |
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} SHPObject; |
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/* -------------------------------------------------------------------- */ |
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/* SHP API Prototypes */ |
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/* -------------------------------------------------------------------- */ |
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SHPHandle SHPOpen( const char * pszShapeFile, const char * pszAccess ); |
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SHPHandle SHPCreate( const char * pszShapeFile, int nShapeType ); |
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void SHPGetInfo( SHPHandle hSHP, int * pnEntities, int * pnShapeType, |
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double * padfMinBound, double * padfMaxBound ); |
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SHPObject *SHPReadObject( SHPHandle hSHP, int iShape ); |
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int SHPWriteObject( SHPHandle hSHP, int iShape, SHPObject * psObject ); |
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void SHPDestroyObject( SHPObject * psObject ); |
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void SHPComputeExtents( SHPObject * psObject ); |
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SHPObject *SHPCreateObject( int nSHPType, int nShapeId, |
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int nParts, int * panPartStart, int * panPartType, |
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int nVertices, double * padfX, double * padfY, |
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double * padfZ, double * padfM ); |
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SHPObject *SHPCreateSimpleObject( int nSHPType, int nVertices, |
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double * padfX, double * padfY, double * padfZ ); |
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void SHPClose( SHPHandle hSHP ); |
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const char *SHPTypeName( int nSHPType ); |
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const char *SHPPartTypeName( int nPartType ); |
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/* -------------------------------------------------------------------- */ |
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/* Shape quadtree indexing API. */ |
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/* -------------------------------------------------------------------- */ |
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/* this can be two or four for binary or quad tree */ |
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#define MAX_SUBNODE 4 |
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typedef struct shape_tree_node |
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{ |
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/* region covered by this node */ |
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double adfBoundsMin[4]; |
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double adfBoundsMax[4]; |
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/* list of shapes stored at this node. The papsShapeObj pointers |
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or the whole list can be NULL */ |
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int nShapeCount; |
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int *panShapeIds; |
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SHPObject **papsShapeObj; |
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int nSubNodes; |
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struct shape_tree_node *apsSubNode[MAX_SUBNODE]; |
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} SHPTreeNode; |
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typedef struct |
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{ |
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SHPHandle hSHP; |
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int nMaxDepth; |
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int nDimension; |
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SHPTreeNode *psRoot; |
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} SHPTree; |
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SHPTree *SHPCreateTree( SHPHandle hSHP, int nDimension, int nMaxDepth, |
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double *padfBoundsMin, double *padfBoundsMax ); |
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void SHPDestroyTree( SHPTree * hTree ); |
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int SHPWriteTree( SHPTree *hTree, const char * pszFilename ); |
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SHPTree SHPReadTree( const char * pszFilename ); |
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int SHPTreeAddObject( SHPTree * hTree, SHPObject * psObject ); |
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int SHPTreeAddShapeId( SHPTree * hTree, SHPObject * psObject ); |
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int SHPTreeRemoveShapeId( SHPTree * hTree, int nShapeId ); |
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void SHPTreeTrimExtraNodes( SHPTree * hTree ); |
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int *SHPTreeFindLikelyShapes( SHPTree * hTree, |
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double * padfBoundsMin, |
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double * padfBoundsMax, |
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int * ); |
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int SHPCheckBoundsOverlap( double *, double *, double *, double *, int ); |
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/************************************************************************/ |
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/* DBF Support. */ |
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/************************************************************************/ |
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typedef struct |
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{ |
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FILE *fp; |
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int nRecords; |
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int nRecordLength; |
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int nHeaderLength; |
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int nFields; |
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int *panFieldOffset; |
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int *panFieldSize; |
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int *panFieldDecimals; |
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char *pachFieldType; |
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char *pszHeader; |
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int nCurrentRecord; |
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int bCurrentRecordModified; |
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char *pszCurrentRecord; |
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int bNoHeader; |
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int bUpdated; |
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} DBFInfo; |
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typedef DBFInfo * DBFHandle; |
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typedef enum { |
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FTString, |
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FTInteger, |
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FTDouble, |
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FTInvalid |
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} DBFFieldType; |
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#define XBASE_FLDHDR_SZ 32 |
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DBFHandle DBFOpen( const char * pszDBFFile, const char * pszAccess ); |
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DBFHandle DBFCreate( const char * pszDBFFile ); |
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int DBFGetFieldCount( DBFHandle psDBF ); |
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int DBFGetRecordCount( DBFHandle psDBF ); |
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int DBFAddField( DBFHandle hDBF, const char * pszFieldName, |
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DBFFieldType eType, int nWidth, int nDecimals ); |
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DBFFieldType DBFGetFieldInfo( DBFHandle psDBF, int iField, |
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char * pszFieldName, |
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int * pnWidth, int * pnDecimals ); |
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int DBFReadIntegerAttribute( DBFHandle hDBF, int iShape, int iField ); |
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double DBFReadDoubleAttribute( DBFHandle hDBF, int iShape, int iField ); |
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const char *DBFReadStringAttribute( DBFHandle hDBF, int iShape, int iField ); |
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int DBFWriteIntegerAttribute( DBFHandle hDBF, int iShape, int iField, |
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int nFieldValue ); |
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int DBFWriteDoubleAttribute( DBFHandle hDBF, int iShape, int iField, |
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double dFieldValue ); |
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int DBFWriteStringAttribute( DBFHandle hDBF, int iShape, int iField, |
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const char * pszFieldValue ); |
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const char *DBFReadTuple(DBFHandle psDBF, int hEntity ); |
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int DBFWriteTuple(DBFHandle psDBF, int hEntity, void * pRawTuple ); |
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DBFHandle DBFCloneEmpty(DBFHandle psDBF, const char * pszFilename ); |
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void DBFClose( DBFHandle hDBF ); |
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#ifdef __cplusplus |
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} |
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#endif |
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#endif /* ndef _SHAPEFILE_H_INCLUDED */ |
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