1 Star 1 Fork 0

xiyan-100/shapelib

加入 Gitee
与超过 1200万 开发者一起发现、参与优秀开源项目,私有仓库也完全免费 :)
免费加入
克隆/下载
shpdump.c 9.43 KB
一键复制 编辑 原始数据 按行查看 历史
/******************************************************************************
* $Id$
*
* Project: Shapelib
* Purpose: Sample application for dumping contents of a shapefile to
* the terminal in human readable form.
* Author: Frank Warmerdam, warmerdam@pobox.com
*
******************************************************************************
* Copyright (c) 1999, Frank Warmerdam
*
* This software is available under the following "MIT Style" license,
* or at the option of the licensee under the LGPL (see COPYING). This
* option is discussed in more detail in shapelib.html.
*
* --
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
******************************************************************************
*
* $Log$
* Revision 1.19 2016-12-05 12:44:05 erouault
* * Major overhaul of Makefile build system to use autoconf/automake.
*
* * Warning fixes in contrib/
*
* Revision 1.18 2011-07-24 03:05:14 fwarmerdam
* use %.15g for formatting coordiantes in shpdump
*
* Revision 1.17 2010-07-01 07:33:04 fwarmerdam
* do not crash in shpdump if null object returned
*
* Revision 1.16 2010-07-01 07:27:13 fwarmerdam
* white space formatting adjustments
*
* Revision 1.15 2006-01-26 15:07:32 fwarmerdam
* add bMeasureIsUsed flag from Craig Bruce: Bug 1249
*
* Revision 1.14 2005/02/11 17:17:46 fwarmerdam
* added panPartStart[0] validation
*
* Revision 1.13 2004/09/26 20:09:35 fwarmerdam
* avoid rcsid warnings
*
* Revision 1.12 2004/01/27 18:05:35 fwarmerdam
* Added the -ho (header only) switch.
*
* Revision 1.11 2004/01/09 16:39:49 fwarmerdam
* include standard include files
*
* Revision 1.10 2002/04/10 16:59:29 warmerda
* added -validate switch
*
* Revision 1.9 2002/01/15 14:36:07 warmerda
* updated email address
*
* Revision 1.8 2000/07/07 13:39:45 warmerda
* removed unused variables, and added system include files
*
* Revision 1.7 1999/11/05 14:12:04 warmerda
* updated license terms
*
* Revision 1.6 1998/12/03 15:48:48 warmerda
* Added report of shapefile type, and total number of shapes.
*
* Revision 1.5 1998/11/09 20:57:36 warmerda
* use SHPObject.
*
* Revision 1.4 1995/10/21 03:14:49 warmerda
* Changed to use binary file access.
*
* Revision 1.3 1995/08/23 02:25:25 warmerda
* Added support for bounds.
*
* Revision 1.2 1995/08/04 03:18:11 warmerda
* Added header.
*
*/
#include <string.h>
#include <stdlib.h>
#include "shapefil.h"
SHP_CVSID("$Id$")
int main( int argc, char ** argv )
{
SHPHandle hSHP;
int nShapeType, nEntities, i, iPart, bValidate = 0,nInvalidCount=0;
int bHeaderOnly = 0;
const char *pszPlus;
double adfMinBound[4], adfMaxBound[4];
int nPrecision = 15;
if( argc > 1 && strcmp(argv[1],"-validate") == 0 )
{
bValidate = 1;
argv++;
argc--;
}
if( argc > 1 && strcmp(argv[1],"-ho") == 0 )
{
bHeaderOnly = 1;
argv++;
argc--;
}
if( argc > 2 && strcmp(argv[1],"-precision") == 0 )
{
nPrecision = atoi(argv[2]);
argv+=2;
argc-=2;
}
/* -------------------------------------------------------------------- */
/* Display a usage message. */
/* -------------------------------------------------------------------- */
if( argc != 2 )
{
printf( "shpdump [-validate] [-ho] [-precision number] shp_file\n" );
exit( 1 );
}
/* -------------------------------------------------------------------- */
/* Open the passed shapefile. */
/* -------------------------------------------------------------------- */
hSHP = SHPOpen( argv[1], "rb" );
if( hSHP == NULL )
{
printf( "Unable to open:%s\n", argv[1] );
exit( 1 );
}
/* -------------------------------------------------------------------- */
/* Print out the file bounds. */
/* -------------------------------------------------------------------- */
SHPGetInfo( hSHP, &nEntities, &nShapeType, adfMinBound, adfMaxBound );
printf( "Shapefile Type: %s # of Shapes: %d\n\n",
SHPTypeName( nShapeType ), nEntities );
printf( "File Bounds: (%.*g,%.*g,%.*g,%.*g)\n"
" to (%.*g,%.*g,%.*g,%.*g)\n",
nPrecision, adfMinBound[0],
nPrecision, adfMinBound[1],
nPrecision, adfMinBound[2],
nPrecision, adfMinBound[3],
nPrecision, adfMaxBound[0],
nPrecision, adfMaxBound[1],
nPrecision, adfMaxBound[2],
nPrecision, adfMaxBound[3] );
/* -------------------------------------------------------------------- */
/* Skim over the list of shapes, printing all the vertices. */
/* -------------------------------------------------------------------- */
for( i = 0; i < nEntities && !bHeaderOnly; i++ )
{
int j;
SHPObject *psShape;
psShape = SHPReadObject( hSHP, i );
if( psShape == NULL )
{
fprintf( stderr,
"Unable to read shape %d, terminating object reading.\n",
i );
break;
}
if( psShape->bMeasureIsUsed )
printf( "\nShape:%d (%s) nVertices=%d, nParts=%d\n"
" Bounds:(%.*g,%.*g, %.*g, %.*g)\n"
" to (%.*g,%.*g, %.*g, %.*g)\n",
i, SHPTypeName(psShape->nSHPType),
psShape->nVertices, psShape->nParts,
nPrecision, psShape->dfXMin,
nPrecision, psShape->dfYMin,
nPrecision, psShape->dfZMin,
nPrecision, psShape->dfMMin,
nPrecision, psShape->dfXMax,
nPrecision, psShape->dfYMax,
nPrecision, psShape->dfZMax,
nPrecision, psShape->dfMMax );
else
printf( "\nShape:%d (%s) nVertices=%d, nParts=%d\n"
" Bounds:(%.*g,%.*g, %.*g)\n"
" to (%.*g,%.*g, %.*g)\n",
i, SHPTypeName(psShape->nSHPType),
psShape->nVertices, psShape->nParts,
nPrecision, psShape->dfXMin,
nPrecision, psShape->dfYMin,
nPrecision, psShape->dfZMin,
nPrecision, psShape->dfXMax,
nPrecision, psShape->dfYMax,
nPrecision, psShape->dfZMax );
if( psShape->nParts > 0 && psShape->panPartStart[0] != 0 )
{
fprintf( stderr, "panPartStart[0] = %d, not zero as expected.\n",
psShape->panPartStart[0] );
}
for( j = 0, iPart = 1; j < psShape->nVertices; j++ )
{
const char *pszPartType = "";
if( j == 0 && psShape->nParts > 0 )
pszPartType = SHPPartTypeName( psShape->panPartType[0] );
if( iPart < psShape->nParts
&& psShape->panPartStart[iPart] == j )
{
pszPartType = SHPPartTypeName( psShape->panPartType[iPart] );
iPart++;
pszPlus = "+";
}
else
pszPlus = " ";
if( psShape->bMeasureIsUsed )
printf(" %s (%.*g,%.*g, %.*g, %.*g) %s \n",
pszPlus,
nPrecision, psShape->padfX[j],
nPrecision, psShape->padfY[j],
nPrecision, psShape->padfZ[j],
nPrecision, psShape->padfM[j],
pszPartType );
else
printf(" %s (%.*g,%.*g, %.*g) %s \n",
pszPlus,
nPrecision, psShape->padfX[j],
nPrecision, psShape->padfY[j],
nPrecision, psShape->padfZ[j],
pszPartType );
}
if( bValidate )
{
int nAltered = SHPRewindObject( hSHP, psShape );
if( nAltered > 0 )
{
printf( " %d rings wound in the wrong direction.\n",
nAltered );
nInvalidCount++;
}
}
SHPDestroyObject( psShape );
}
SHPClose( hSHP );
if( bValidate )
{
printf( "%d object has invalid ring orderings.\n", nInvalidCount );
}
#ifdef USE_DBMALLOC
malloc_dump(2);
#endif
exit( 0 );
}
马建仓 AI 助手
尝试更多
代码解读
代码找茬
代码优化
C
1
https://gitee.com/xiyan100/shapelib.git
git@gitee.com:xiyan100/shapelib.git
xiyan100
shapelib
shapelib
master

搜索帮助

23e8dbc6 1850385 7e0993f3 1850385