+ aLine = theFile.readLine().simplified();
+ aStrList = aLine.split( ' ', QString::SkipEmptyParts );
+ if ( aStrList.length() != 2 && aStrList[0].toLower() != "ncols" )
+ return false;
+ aNCols = aStrList[1].toInt();
+
+ aLine = theFile.readLine().simplified();
+ aStrList = aLine.split( ' ', QString::SkipEmptyParts );
+ if ( aStrList.length() != 2 && aStrList[0].toLower() != "nrows" )
+ return false;
+ aNRows = aStrList[1].toInt();
+
+ aLine = theFile.readLine().simplified();
+ aStrList = aLine.split( ' ', QString::SkipEmptyParts );
+ if ( aStrList.length() != 2 && aStrList[0].toLower() != "xllcorner" )
+ return false;
+ anXllCorner = aStrList[1].toDouble();
+
+ aLine = theFile.readLine().simplified();
+ aStrList = aLine.split( ' ', QString::SkipEmptyParts );
+ if ( aStrList.length() != 2 && aStrList[0].toLower() != "yllcorner" )
+ return false;
+ anYllCorner = aStrList[1].toDouble();
+
+ aLine = theFile.readLine().simplified();
+ aStrList = aLine.split( ' ', QString::SkipEmptyParts );
+ if ( aStrList.length() != 2 && aStrList[0].toLower() != "cellsize" )
+ return false;
+ aCellSize = aStrList[1].toDouble();
+
+ aLine = theFile.readLine().simplified();
+ aStrList = aLine.split( ' ', QString::SkipEmptyParts );
+ if ( aStrList.length() != 2 && aStrList[0].toLower() != "nodata_value" )
+ return false;
+ aNoDataValue = aStrList[1].toDouble();
+
+ bool anIsAltitudesInverted = IsAltitudesInverted();
+
+ int i = 0;
+ int aStrLength = 0;
+ while ( !theFile.atEnd() )
+ {
+ aLine = theFile.readLine().simplified();
+ aStrList = aLine.split( ' ', QString::SkipEmptyParts );
+
+ aStrLength = aStrList.length();
+ if ( aStrLength == 0 )
+ continue;
+
+ if ( aStrLength != aNRows )
+ return false;
+
+ for (int j = 0; j < aNCols; j++)
+ {
+ if (aStrList[j].toDouble() != aNoDataValue)
+ {
+ AltitudePoint aPoint;
+ aPoint.SetX(anXllCorner + aCellSize*(j + 0.5));
+ aPoint.SetY(anYllCorner + aCellSize*(aNRows - i + 0.5));
+ aPoint.SetZ(aStrList[j].toDouble());
+
+ if ( anIsAltitudesInverted )
+ aPoint.SetZ( -aPoint.Z() );
+
+ thePoints.Append(aPoint);
+ }
+ }
+ i++;
+
+ }
+
+ return true;
+
+}
+
+
+Handle_HYDROData_PolylineXY HYDROData_Bathymetry::CreateBoundaryPolyline() const
+{
+ Handle(HYDROData_Document) aDocument = HYDROData_Document::Document( myLab );
+ Handle_HYDROData_PolylineXY aResult =
+ Handle_HYDROData_PolylineXY::DownCast( aDocument->CreateObject( KIND_POLYLINEXY ) );
+
+ if( aResult.IsNull() )
+ return aResult;
+
+ //search free name
+ QString aPolylinePref = GetName() + "_Boundary";
+ QString aPolylineName = HYDROData_Tool::GenerateObjectName( aDocument, aPolylinePref );
+ aResult->SetName( aPolylineName );
+
+ double Xmin = 0.0, Xmax = 0.0, Ymin = 0.0, Ymax = 0.0;
+ bool isFirst = true;
+ AltitudePoints aPoints = GetAltitudePoints();
+
+ AltitudePoints::Iterator anIter( aPoints );
+ for ( ; anIter.More(); anIter.Next() )
+ {
+ const AltitudePoint& aPoint = anIter.Value();
+
+ double x = aPoint.X(), y = aPoint.Y();
+ if( isFirst || x<Xmin )
+ Xmin = x;
+ if( isFirst || x>Xmax )
+ Xmax = x;
+ if( isFirst || y<Ymin )
+ Ymin = y;
+ if( isFirst || y>Ymax )
+ Ymax = y;
+ isFirst = false;
+ }
+
+ aResult->AddSection( "bound", HYDROData_IPolyline::SECTION_POLYLINE, true );
+ aResult->AddPoint( 0, HYDROData_IPolyline::Point( Xmin, Ymin ) );
+ aResult->AddPoint( 0, HYDROData_IPolyline::Point( Xmin, Ymax ) );
+ aResult->AddPoint( 0, HYDROData_IPolyline::Point( Xmax, Ymax ) );
+ aResult->AddPoint( 0, HYDROData_IPolyline::Point( Xmax, Ymin ) );
+ aResult->Update();
+
+ return aResult;
+}
+
+void HYDROData_Bathymetry::UpdateLocalCS( double theDx, double theDy )
+{
+ gp_XYZ aDelta( theDx, theDy, 0 );
+ AltitudePoints aPoints = GetAltitudePoints();
+ AltitudePoints::Iterator anIter( aPoints );
+ for ( int i = 0 ; anIter.More(); ++i, anIter.Next() )
+ {
+ AltitudePoint& aPoint = anIter.ChangeValue();
+ aPoint += aDelta;
+ }
+ SetAltitudePoints( aPoints );
+}