add geometry_to_wkb test utililty

This commit is contained in:
Artem Pavlenko 2011-12-02 16:34:22 +00:00
parent 4659a4d697
commit c5adf240b0
2 changed files with 122 additions and 0 deletions

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######################################################################
MAPNIK_INCLUDE_DIR = "/opt/mapnik/include" ;
MAPNIK_LIB_DIR = "/opt/mapnik/lib" ;
BOOST_INCLUDE_DIR = "/opt/boost_1_48_0/include" ;
lib mapnik : : <name>mapnik <search>$(MAPNIK_LIB_DIR) ;
lib icu : : <name>icuuc <search>/usr/local/lib ;
exe to_wkb :
main.cpp
.//mapnik
.//icu
:
<include>$(MAPNIK_INCLUDE_DIR)
<include>$(BOOST_INCLUDE_DIR)
;

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/*****************************************************************************
*
* This file is part of Mapnik (c++ mapping toolkit)
*
* Copyright (C) 2011 Artem Pavlenko
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
*****************************************************************************/
//$Id$
#include <iostream>
#include <string>
#include <mapnik/geometry.hpp>
#include <mapnik/feature.hpp>
#include <mapnik/datasource_cache.hpp>
#include <mapnik/util/geometry_to_wkb.hpp>
#include <boost/foreach.hpp>
int main (int argc, char ** argv )
{
if ( argc !=2)
{
std::cerr << "Usage: " << argv[0] << " <path-to-shapefile>\n";
return EXIT_SUCCESS;
}
std::cerr << "Geometry to WKB converter\n";
mapnik::datasource_cache::instance()->register_datasources("/opt/mapnik/lib/mapnik/input/");
std::string filename(argv[1]);
std::cerr << filename << std::endl;
mapnik::parameters p;
p["type"] = "shape";
p["file"] = filename;
mapnik::datasource_ptr ds;
try
{
ds = mapnik::datasource_cache::instance()->create(p);
}
catch ( ... )
{
std::cerr << "Can't create datasource!\n";
return EXIT_FAILURE;
}
if (ds)
{
std::cerr << ds->envelope() << std::endl;
mapnik::query q(ds->envelope());
mapnik::featureset_ptr fs = ds->features(q);
mapnik::feature_ptr f = fs->next();
while(f)
{
std::cerr << *f << std::endl;
boost::ptr_vector<mapnik::geometry_type> & paths = f->paths();
BOOST_FOREACH ( mapnik::geometry_type const& geom, paths)
{
// NDR
{
mapnik::util::wkb_buffer_ptr wkb = mapnik::util::to_wkb(geom,mapnik::util::wkbNDR);
std::cerr << mapnik::util::to_hex(wkb->buffer(),wkb->size()) << std::endl;
}
// XDR
{
mapnik::util::wkb_buffer_ptr wkb = mapnik::util::to_wkb(geom,mapnik::util::wkbXDR);
std::cerr << mapnik::util::to_hex(wkb->buffer(),wkb->size()) << std::endl;
}
}
f = fs->next();
}
}
return EXIT_SUCCESS;
}