/// <summary>
/// Read the file and display header information. For full explanation of the headers,
/// please refer to the DEM specification included in the repository.
/// To get DEM files for testing, visit http://www.geobase.ca/geobase/en/data/cded/index.html
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void mnuFileOpen_Click(object sender, EventArgs e)
{
var dialog = new OpenFileDialog();
dialog.InitialDirectory = System.IO.Directory.GetCurrentDirectory();
if (dialog.ShowDialog() == System.Windows.Forms.DialogResult.OK)
{
if (System.IO.File.Exists(dialog.FileName))
{
_mDem = new DemDocument();
_mDem.Read(dialog.FileName);
txtOutput.Text = string.Empty;
txtOutput.Text += "DEM Name: " + new string(_mDem.ARecord.file_name) + Environment.NewLine;
txtOutput.Text += "SE Coord: " + new string(_mDem.ARecord.SE_geographic_corner_S) + ", " + new string(_mDem.ARecord.SE_geographic_corner_E) + Environment.NewLine;
txtOutput.Text += "DEM Level Code: " + _mDem.ARecord.dem_level_code + Environment.NewLine;
txtOutput.Text += "Ground Reference System: " + (GROUND_REF_SYSTEM)_mDem.ARecord.ground_ref_system + Environment.NewLine;
txtOutput.Text += "Ground Reference Zone: " + _mDem.ARecord.ground_ref_zone + Environment.NewLine;
txtOutput.Text += "Ground Unit: " + (GROUND_UNIT)_mDem.ARecord.ground_unit + Environment.NewLine;
txtOutput.Text += "Elevation Unit: " + (ELEVATION_UNIT)_mDem.ARecord.elevation_unit + Environment.NewLine;
txtOutput.Text += "Ground Resolution (lat, lng, elev): " + _mDem.ARecord.xyz_resolution[0] + ", " + _mDem.ARecord.xyz_resolution[1] + ", " + _mDem.ARecord.xyz_resolution[2] + Environment.NewLine;
txtOutput.Text += "Elavation Array Szie: " + _mDem.ARecord.northings_rows + " x " + _mDem.ARecord.eastings_cols + Environment.NewLine;
txtOutput.Text += "Percentage void: " + _mDem.ARecord.percent_void + Environment.NewLine;
txtOutput.Text += "SW Coord: " + _mDem.ARecord.sw_coord[0] + ", " + _mDem.ARecord.sw_coord[1] + Environment.NewLine;
txtOutput.Text += "NW Coord: " + _mDem.ARecord.nw_coord[0] + ", " + _mDem.ARecord.nw_coord[1] + Environment.NewLine;
txtOutput.Text += "NE Coord: " + _mDem.ARecord.ne_coord[0] + ", " + _mDem.ARecord.ne_coord[1] + Environment.NewLine;
txtOutput.Text += "SE Coord: " + _mDem.ARecord.se_coord[0] + ", " + _mDem.ARecord.se_coord[1] + Environment.NewLine;
DrawImage();
}
}
}
