} // end of RestoreInitialImage
private bool GetNewData()
{
string strinputfile, text;
ArrayList coorddata = new ArrayList();
ArrayList linesdata = new ArrayList();
OpenFileDialog opendlg = new OpenFileDialog();
opendlg.Title = "Choose File with Coordinates of Points";
if (opendlg.ShowDialog() == DialogResult.OK)
{
strinputfile = opendlg.FileName;
FileInfo coordfile = new FileInfo(strinputfile);
StreamReader reader = coordfile.OpenText();
do
{
text = reader.ReadLine();
if (text != null)
{
coorddata.Add(text);
}
} while (text != null);
reader.Close();
coorddata.RemoveAt(coorddata.Count - 1);
DecodeCoords(coorddata);
}
else
{
MessageBox.Show("***Failed to Open Coordinates File***");
return(false);
}
opendlg.Title = "Choose File with Data Specifying Lines";
if (opendlg.ShowDialog() == DialogResult.OK)
{
strinputfile = opendlg.FileName;
FileInfo linesfile = new FileInfo(strinputfile);
StreamReader reader = linesfile.OpenText();
do
{
text = reader.ReadLine();
if (text != null)
{
linesdata.Add(text);
}
} while (text != null);
reader.Close();
DecodeLines(linesdata);
}
else
{
MessageBox.Show("***Failed to Open Line Data File***");
return(false);
}
_scrnpts = new double[_numpts, 4];
Transformations.SetIdentity(_tnet, 4, 4); //initialize transformation matrix to identity
return(true);
} // end of GetNewData
private void RestoreInitialImage()
{
//create the screen coordinates:
// scrnpts = vertices*ctrans
if (_gooddata)
{
Transformations.SetIdentity(_tnet, 4, 4);
_tnet = Transformations.TranslateToOrigin(_vertices, _tnet);
_tnet = Transformations.ReflectOnYAxis(_tnet);
_tnet = Transformations.ScaleToIntial(_vertices, _tnet, this.ClientRectangle.Height);
_tnet = Transformations.TranslateToCenter(_tnet, this.ClientRectangle.Width, this.ClientRectangle.Height);
Transformations.PrintMatrix(_tnet);
Invalidate();
}
} // end of RestoreInitialImage