/// <summary>
/// Set image by grid data
/// </summary>
public void SetImageByGridData()
{
ColorPalette cPal = null;
if (Image != null)
{
cPal = Image.Palette;
}
int xNum = GridData.XNum;
int yNum = GridData.YNum;
byte[] imageBytes = new byte[xNum * yNum];
for (int i = 0; i < yNum; i++)
{
for (int j = 0; j < xNum; j++)
{
imageBytes[i * xNum + j] = (byte)GridData.Data[i, j];
}
}
Image = DrawMeteoData.CreateBitmap(imageBytes, xNum, yNum);
if (cPal != null)
{
Image.Palette = cPal;
}
}
/// <summary>
/// Update image
/// </summary>
public void UpdateImage()
{
int xNum = GridData.XNum;
int yNum = GridData.YNum;
byte[] imageBytes = new byte[xNum * yNum];
for (int i = 0; i < yNum; i++)
{
for (int j = 0; j < xNum; j++)
{
int value = -1;
int b;
for (b = 0; b < LegendScheme.LegendBreaks.Count - 1; b++)
{
ColorBreak aCB = LegendScheme.LegendBreaks[b];
if (aCB.StartValue.ToString() == aCB.EndValue.ToString())
{
if (GridData.Data[i, j] == double.Parse(aCB.StartValue.ToString()))
{
value = b;
break;
}
}
else
{
if (GridData.Data[i, j] >= double.Parse(aCB.StartValue.ToString()) && GridData.Data[i, j] < double.Parse(aCB.EndValue.ToString()))
{
value = b;
break;
}
}
}
if (value == -1)
{
value = b;
if (LegendScheme.LegendBreaks[LegendScheme.BreakNum - 1].IsNoData)
{
if (!MIMath.DoubleEquals(GridData.Data[i, j], LegendScheme.MissingValue))
{
value = b - 1;
}
}
}
imageBytes[i * xNum + j] = (byte)value;
}
}
Image = DrawMeteoData.CreateBitmap(imageBytes, xNum, yNum);
List <Color> colors = LegendScheme.GetColors();
DrawMeteoData.SetPalette(colors, Image);
}