本文整理汇总了C++中qgsattributemap::const_iterator::toInt方法的典型用法代码示例。如果您正苦于以下问题：C++ const_iterator::toInt方法的具体用法？C++ const_iterator::toInt怎么用？C++ const_iterator::toInt使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类qgsattributemap::const_iterator的用法示例。
在下文中一共展示了const_iterator::toInt方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: addFeature
bool QgsGPXProvider::addFeature( QgsFeature& f )
{
unsigned char* geo = f.geometry()->asWkb();
QGis::WkbType wkbType = f.geometry()->wkbType();
bool success = false;
QgsGPSObject* obj = NULL;
const QgsAttributeMap& attrs( f.attributeMap() );
QgsAttributeMap::const_iterator it;
// is it a waypoint?
if ( mFeatureType == WaypointType && geo != NULL && wkbType == QGis::WKBPoint )
{
// add geometry
QgsWaypoint wpt;
std::memcpy( &wpt.lon, geo + 5, sizeof( double ) );
std::memcpy( &wpt.lat, geo + 13, sizeof( double ) );
// add waypoint-specific attributes
for ( it = attrs.begin(); it != attrs.end(); ++it )
{
if ( it.key() == EleAttr )
{
bool eleIsOK;
double ele = it->toDouble( &eleIsOK );
if ( eleIsOK )
wpt.ele = ele;
}
else if ( it.key() == SymAttr )
{
wpt.sym = it->toString();
}
}
QgsGPSData::WaypointIterator iter = data->addWaypoint( wpt );
success = true;
obj = &( *iter );
}
// is it a route?
if ( mFeatureType == RouteType && geo != NULL && wkbType == QGis::WKBLineString )
{
QgsRoute rte;
// reset bounds
rte.xMin = std::numeric_limits<double>::max();
rte.xMax = -std::numeric_limits<double>::max();
rte.yMin = std::numeric_limits<double>::max();
rte.yMax = -std::numeric_limits<double>::max();
// add geometry
int nPoints;
std::memcpy( &nPoints, geo + 5, 4 );
for ( int i = 0; i < nPoints; ++i )
{
double lat, lon;
std::memcpy( &lon, geo + 9 + 16 * i, sizeof( double ) );
std::memcpy( &lat, geo + 9 + 16 * i + 8, sizeof( double ) );
QgsRoutepoint rtept;
rtept.lat = lat;
rtept.lon = lon;
rte.points.push_back( rtept );
rte.xMin = rte.xMin < lon ? rte.xMin : lon;
rte.xMax = rte.xMax > lon ? rte.xMax : lon;
rte.yMin = rte.yMin < lat ? rte.yMin : lat;
rte.yMax = rte.yMax > lat ? rte.yMax : lat;
}
// add route-specific attributes
for ( it = attrs.begin(); it != attrs.end(); ++it )
{
if ( it.key() == NumAttr )
{
bool numIsOK;
long num = it->toInt( &numIsOK );
if ( numIsOK )
rte.number = num;
}
}
QgsGPSData::RouteIterator iter = data->addRoute( rte );
success = true;
obj = &( *iter );
}
// is it a track?
if ( mFeatureType == TrackType && geo != NULL && wkbType == QGis::WKBLineString )
{
QgsTrack trk;
QgsTrackSegment trkseg;
// reset bounds
trk.xMin = std::numeric_limits<double>::max();
trk.xMax = -std::numeric_limits<double>::max();
trk.yMin = std::numeric_limits<double>::max();
trk.yMax = -std::numeric_limits<double>::max();
// add geometry
//.........这里部分代码省略.........