/// <summary>
/// Override operator less than or equal between a station data and a double data
/// </summary>
/// <param name="aStData">a station data</param>
/// <param name="aData">a double data</param>
/// <returns>result station data</returns>
public static StationData operator <=(StationData aStData, double aData)
{
StationData cStData = new StationData(aStData);
for (int i = 0; i < aStData.Stations.Count; i++)
{
double aValue = aStData.Data[2, i];
if (MIMath.DoubleEquals(aValue, aStData.MissingValue))
{
cStData.Data[2, i] = aStData.MissingValue;
}
else
{
if (aValue <= aData)
{
cStData.Data[2, i] = 1;
}
else
{
cStData.Data[2, i] = 0;
}
}
}
return(cStData);
}
private Image getImageFromGridData(GridData gdata, LegendScheme als)
{
int width, height, breakNum;
width = gdata.XNum;
height = gdata.YNum;
breakNum = als.BreakNum;
double[] breakValue = new double[breakNum];
Color[] breakColor = new Color[breakNum];
Color undefColor = Color.White;
for (int i = 0; i < breakNum; i++)
{
breakValue[i] = Convert.ToDouble(als.LegendBreaks[i].EndValue);
breakColor[i] = als.LegendBreaks[i].Color;
if (als.LegendBreaks[i].IsNoData)
{
undefColor = als.LegendBreaks[i].Color;
}
}
Color defaultColor = breakColor[breakNum - 1]; //Set default as last color
Bitmap aBitmap = new Bitmap(width, height);
aBitmap.MakeTransparent();
double oneValue;
Color oneColor = defaultColor;
for (int i = 0; i < height; i++)
{
for (int j = 0; j < width; j++)
{
oneValue = gdata.Data[i, j];
if (MIMath.DoubleEquals(oneValue, gdata.MissingValue))
{
oneColor = undefColor;
}
else
{
oneColor = defaultColor;
for (int k = 0; k < breakNum - 1; k++)
{
if (oneValue < breakValue[k])
{
oneColor = breakColor[k];
break;
}
}
}
aBitmap.SetPixel(j, height - i - 1, oneColor);
}
}
Image aImage = (Image)aBitmap;
return(aImage);
}
/// <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);
}
/// <summary>
/// Determine if the polyline is closed
/// </summary>
/// <returns>if is closed</returns>
public bool IsClosed()
{
PointD sPoint = _pointList[0];
PointD ePoint = _pointList[_pointList.Count - 1];
if (MIMath.DoubleEquals(sPoint.X, ePoint.X) && MIMath.DoubleEquals(sPoint.Y, ePoint.Y))
{
return(true);
}
else
{
return(false);
}
}
private Image getImageFromGridData_Bak1(GridData gdata, LegendScheme als)
{
int width, height, breakNum;
width = gdata.XNum;
height = gdata.YNum;
breakNum = als.BreakNum;
Color defaultColor = als.LegendBreaks[breakNum - 1].Color; //默认颜色为最后一个颜色
Bitmap aBitmap = new Bitmap(width, height);
aBitmap.MakeTransparent();
for (int i = 0; i < height; i++)
{
for (int j = 0; j < width; j++)
{
double oneValue = gdata.Data[i, j];
Color oneColor = defaultColor;
for (int k = 0; k < breakNum; k++)
{
if (als.LegendBreaks[k].StartValue.ToString() == als.LegendBreaks[k].EndValue.ToString())
{
if (MIMath.DoubleEquals(oneValue, Double.Parse(als.LegendBreaks[k].EndValue.ToString())))
{
oneColor = als.LegendBreaks[k].Color;
break;
}
}
else
{
if (oneValue >= Double.Parse(als.LegendBreaks[k].StartValue.ToString()) && oneValue < Double.Parse(als.LegendBreaks[k].EndValue.ToString()))
{
oneColor = als.LegendBreaks[k].Color;
break;
}
}
}
aBitmap.SetPixel(j, height - i - 1, oneColor);
}
}
Image aImage = (Image)aBitmap;
return(aImage);
}
/// <summary>
/// Save as CSV data file
/// </summary>
/// <param name="aFile">file path</param>
/// <param name="fieldName">data field name</param>
/// <param name="saveUndefData">if save undefine data</param>
public void SaveAsCSVFile(string aFile, string fieldName, bool saveUndefData)
{
StreamWriter sw = new StreamWriter(aFile, false, Encoding.Default);
string aStr = "Stid,Latitude,Lontitude," + fieldName;
sw.WriteLine(aStr);
for (int i = 0; i < Data.GetLength(1); i++)
{
if (!saveUndefData)
{
if (MIMath.DoubleEquals(Data[2, i], MissingValue))
{
continue;
}
}
aStr = Stations[i] + "," + Data[0, i].ToString() + "," + Data[1, i].ToString() + "," + Data[2, i].ToString();
sw.WriteLine(aStr);
}
sw.Close();
}
/// <summary>
/// Read station model data
/// </summary>
/// <param name="timeIdx">Time index</param>
/// <param name="levelIdx">Level index</param>
/// <returns>Station data</returns>
public StationModelData GetStationModelData(int timeIdx, int levelIdx)
{
StationModelData smData = new StationModelData();
string aStid;
int i;
Single lon, lat;
List <string> dataList = new List <string>();
List <StationModel> smList = new List <StationModel>();
double[,] DiscreteData = new double[10, DataList.Count];
Single minX, maxX, minY, maxY;
minX = 0;
maxX = 0;
minY = 0;
maxY = 0;
for (i = 0; i < DataList.Count; i++)
{
dataList = DataList[i];
aStid = (string)dataList[0];
lon = Convert.ToSingle(dataList[1]);
lat = Convert.ToSingle(dataList[2]);
//if (lon < 0)
//{
// lon += 360;
//}
StationModel sm = new StationModel();
sm.StationIdentifer = aStid;
sm.Longitude = lon;
sm.Latitude = lat;
sm.WindDirection = Convert.ToDouble(dataList[6]); //Wind direction
sm.WindSpeed = Convert.ToDouble(dataList[7]); //Wind speed
sm.Visibility = Convert.ToDouble(dataList[17]); //Visibility
sm.Weather = Convert.ToDouble(dataList[18]); //Weather
sm.CloudCover = Convert.ToDouble(dataList[5]); //Cloud cover
sm.Temperature = Convert.ToDouble(dataList[19]); //Temperature
sm.DewPoint = Convert.ToDouble(dataList[16]); //Dew point
//Pressure
double press = Convert.ToDouble(dataList[8]);
if (MIMath.DoubleEquals(press, this.MissingValue))
{
sm.Pressure = press;
}
else
{
if (press > 800)
{
sm.Pressure = press / 10 + 900;
}
else
{
sm.Pressure = press / 10 + 1000;
}
}
smList.Add(sm);
if (i == 0)
{
minX = lon;
maxX = minX;
minY = lat;
maxY = minY;
}
else
{
if (minX > lon)
{
minX = lon;
}
else if (maxX < lon)
{
maxX = lon;
}
if (minY > lat)
{
minY = lat;
}
else if (maxY < lat)
{
maxY = lat;
}
}
}
Extent dataExtent = new Extent();
dataExtent.minX = minX;
dataExtent.maxX = maxX;
dataExtent.minY = minY;
dataExtent.maxY = maxY;
smData.Data = smList;
smData.DataExtent = dataExtent;
smData.MissingValue = this.MissingValue;
return(smData);
}
/// <summary>
/// Get discrete data from MICAPS 1 data info
/// </summary>
/// <param name="vIdx">variable index</param>
/// <param name="stations">ref stations</param>
/// <param name="dataExtent">ref data extent</param>
/// <returns>discreted data</returns>
public double[,] GetDiscreteData(int vIdx, ref List <string> stations, ref Extent dataExtent)
{
vIdx += 3;
//if (vIdx >= 22)
//{
// vIdx += 2;
//}
string aStid;
int i;
Single lon, lat, t;
List <string> dataList = new List <string>();
double[,] DiscreteData = new double[3, DataList.Count];
Single minX, maxX, minY, maxY;
minX = 0;
maxX = 0;
minY = 0;
maxY = 0;
stations.Clear();
for (i = 0; i < DataList.Count; i++)
{
dataList = DataList[i];
aStid = (string)dataList[0];
lon = Convert.ToSingle(dataList[1]);
lat = Convert.ToSingle(dataList[2]);
t = Convert.ToSingle(dataList[vIdx]);
if (vIdx == 8) //Pressure
{
if (!MIMath.DoubleEquals(t, MissingValue))
{
if (t > 800)
{
t = t / 10 + 900;
}
else
{
t = t / 10 + 1000;
}
}
}
//if (lon < 0)
//{
// lon += 360;
//}
stations.Add(aStid);
DiscreteData[0, i] = lon;
DiscreteData[1, i] = lat;
DiscreteData[2, i] = t;
if (i == 0)
{
minX = lon;
maxX = minX;
minY = lat;
maxY = minY;
}
else
{
if (minX > lon)
{
minX = lon;
}
else if (maxX < lon)
{
maxX = lon;
}
if (minY > lat)
{
minY = lat;
}
else if (maxY < lat)
{
maxY = lat;
}
}
}
dataExtent.minX = minX;
dataExtent.maxX = maxX;
dataExtent.minY = minY;
dataExtent.maxY = maxY;
return(DiscreteData);
}