/// <summary>
/// Read Surfer BLN map
/// </summary>
/// <param name="aFile">file path</param>
/// <returns>vector layer</returns>
public static VectorLayer ReadMapFile_BLN(string aFile)
{
StreamReader sr = new StreamReader(aFile);
string aLine;
string[] dataArray;
int i, j, pNum;
List <PointD> pList = new List <PointD>();
PointD aPoint;
ArrayList dataList = new ArrayList();
bool IsTrue = false;
string columnName = "Value";
VectorLayer aLayer = new VectorLayer(ShapeTypes.Polyline);
//Read data
aLayer.EditAddField(new DataColumn(columnName, typeof(int)));
aLine = sr.ReadLine();
bool isComma = true;
if (!aLine.Contains(","))
{
isComma = false;
}
i = 0;
while (aLine != null)
{
if (isComma)
{
pNum = int.Parse(aLine.Split(',')[0]);
}
else
{
pNum = int.Parse(MIMath.SplitBySpace(aLine)[0]);
}
pList = new List <PointD>();
for (j = 0; j < pNum; j++)
{
aLine = sr.ReadLine();
if (isComma)
{
dataArray = aLine.Split(',');
}
else
{
dataArray = MIMath.SplitBySpace(aLine);
}
aPoint = new PointD();
aPoint.X = Convert.ToDouble(dataArray[0]);
aPoint.Y = Convert.ToDouble(dataArray[1]);
pList.Add(aPoint);
}
PolylineShape aPLS = new PolylineShape();
aPLS.value = i;
aPLS.Extent = MIMath.GetPointsExtent(pList);
aPLS.Points = pList;
i += 1;
int sNum = aLayer.ShapeNum;
if (aLayer.EditInsertShape(aPLS, sNum))
{
aLayer.EditCellValue(columnName, sNum, i);
}
aLine = sr.ReadLine();
}
aLayer.LayerName = Path.GetFileName(aFile);
aLayer.FileName = aFile;
aLayer.LayerDrawType = LayerDrawType.Map;
aLayer.LegendScheme = LegendManage.CreateSingleSymbolLegendScheme(ShapeTypes.Polyline, Color.DarkGray, 1.0F);
aLayer.Visible = true;
IsTrue = true;
sr.Close();
if (IsTrue)
{
return(aLayer);
}
else
{
return(null);
}
}