private Map AsciiMapToMap(AsciiMap ascii, int x, int y)
{
var scaleFactor = 100;
var map = new Map();
map.NullHeight = Convert.ToInt32(Math.Floor(ascii.NoDataValue / scaleFactor));
map.Height = y;
map.Width = x;
map.Tiles = new Tile[y, x];
decimal xScaleFactor = ascii.Columns / x;
decimal yScaleFactor = ascii.Rows / y;
for (int i = 0; i < y; i++)
{
for (int j = 0; j < x; j++)
{
// for each item grab the interpolated value.
// x = the column
// y = the row
int itemX = Convert.ToInt32(Math.Floor(j * xScaleFactor));
int itemY = Convert.ToInt32(Math.Floor(i * yScaleFactor));
map.Tiles[i, j] = new Tile();
map.Tiles[i, j].Elevation = Convert.ToInt32(ascii.Data[itemY, itemX] / scaleFactor);
}
}
return map;
}
private AsciiMap ParseMap(StreamReader reader)
{
string line;
var map = new AsciiMap();
line = reader.ReadLine();
map.Columns = Convert.ToInt32(line.Substring(13, line.Length - 13));
line = reader.ReadLine();
map.Rows = Convert.ToInt32(line.Substring(13, line.Length - 13));
line = reader.ReadLine();
map.xllcorner = Convert.ToDecimal(line.Substring(13, line.Length - 13));
line = reader.ReadLine();
map.yllcorner = Convert.ToDecimal(line.Substring(13, line.Length - 13));
line = reader.ReadLine();
map.CellSize = Convert.ToDecimal(line.Substring(13, line.Length - 13));
line = reader.ReadLine();
map.NoDataValue = Convert.ToDecimal(line.Substring(13, line.Length - 13));
map.Data = new decimal[map.Rows, map.Columns];
var i = 0;
while(!reader.EndOfStream)
{
line = reader.ReadLine();
line = line.TrimStart(' '); // removing leading space.
var heights = line.Split(' ');
for (int j = 0; j < heights.Length; j++)
{
map.Data[i, j] = Convert.ToDecimal(heights[j]);
}
i++;
}
return map;
}
