void QgsMapToolCapture::validateGeometry()
{
QSettings settings;
if ( settings.value( "/qgis/digitizing/validate_geometries", 1 ).toInt() == 0 )
return;
if ( mValidator )
{
mValidator->deleteLater();
mValidator = 0;
}
mTip = "";
mGeomErrors.clear();
while ( !mGeomErrorMarkers.isEmpty() )
{
delete mGeomErrorMarkers.takeFirst();
}
QgsGeometry *g = 0;
switch ( mCaptureMode )
{
case CaptureNone:
case CapturePoint:
return;
case CaptureLine:
if ( mCaptureList.size() < 2 )
return;
g = QgsGeometry::fromPolyline( mCaptureList.toVector() );
break;
case CapturePolygon:
if ( mCaptureList.size() < 3 )
return;
g = QgsGeometry::fromPolygon( QgsPolygon() << ( QgsPolyline() << mCaptureList.toVector() << mCaptureList[0] ) );
break;
}
if ( !g )
return;
mValidator = new QgsGeometryValidator( g );
connect( mValidator, SIGNAL( errorFound( QgsGeometry::Error ) ), this, SLOT( addError( QgsGeometry::Error ) ) );
connect( mValidator, SIGNAL( finished() ), this, SLOT( validationFinished() ) );
mValidator->start();
QStatusBar *sb = QgisApp::instance()->statusBar();
sb->showMessage( tr( "Validation started." ) );
}
QgsPolyline QgsOSMDatabase::wayPoints( QgsOSMId id ) const
{
QgsPolyline points;
// bind the way identifier
sqlite3_bind_int64( mStmtWayNodePoints, 1, id );
while ( sqlite3_step( mStmtWayNodePoints ) == SQLITE_ROW )
{
if ( sqlite3_column_type( mStmtWayNodePoints, 0 ) == SQLITE_NULL )
return QgsPolyline(); // missing some nodes
double lon = sqlite3_column_double( mStmtWayNodePoints, 0 );
double lat = sqlite3_column_double( mStmtWayNodePoints, 1 );
points.append( QgsPoint( lon, lat ) );
}
sqlite3_reset( mStmtWayNodePoints );
return points;
}