gdal/frmts/wms/minidriver_tileservice.cpp

78 строки
3.0 KiB
C++

/******************************************************************************
*
* Project: WMS Client Driver
* Purpose: Implementation of Dataset and RasterBand classes for WMS
* and other similar services.
* Author: Adam Nowacki, nowak@xpam.de
*
******************************************************************************
* Copyright (c) 2007, Adam Nowacki
*
* 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.
****************************************************************************/
#include "wmsdriver.h"
#include "minidriver_tileservice.h"
WMSMiniDriver_TileService::WMSMiniDriver_TileService()
{
}
WMSMiniDriver_TileService::~WMSMiniDriver_TileService()
{
}
CPLErr WMSMiniDriver_TileService::Initialize(CPLXMLNode *config,
CPL_UNUSED char **papszOpenOptions)
{
CPLErr ret = CE_None;
// Try both spellings
m_base_url = CPLGetXMLValue(config, "ServerURL",
CPLGetXMLValue(config, "ServerUrl", ""));
if (m_base_url.empty())
{
CPLError(CE_Failure, CPLE_AppDefined,
"GDALWMS, TileService mini-driver: ServerURL missing.");
ret = CE_Failure;
}
else
{ // Prepare the url, leave it ready for extra arguments
URLPrepare(m_base_url);
const char *dataset = CPLGetXMLValue(config, "Dataset", "");
const char *version = CPLGetXMLValue(config, "Version", "1");
m_base_url += CPLOPrintf("interface=map&version=%s&dataset=%s&",
version, dataset);
}
return ret;
}
CPLErr WMSMiniDriver_TileService::TiledImageRequest(
WMSHTTPRequest &request, CPL_UNUSED const GDALWMSImageRequestInfo &iri,
const GDALWMSTiledImageRequestInfo &tiri)
{
// http://s0.tileservice.worldwindcentral.com/getTile?interface=map&version=1&dataset=bmng.topo.bathy.200401&level=5&x=18&y=6
CPLString &url = request.URL;
url = m_base_url;
url += CPLOPrintf("level=%d&x=%d&y=%d", tiri.m_level, tiri.m_x, tiri.m_y);
return CE_None;
}