private int CalZoomScale(CoorPoint tl, CoorPoint br)
{
CoordinateTransform coorConv = new CoordinateTransform();
for (int i = 21; i > 1; --i)
{
CoorPoint c2 = coorConv.CalLonLatRadToCoorPixel(tl.x, tl.y, i);
CoorPoint c1 = coorConv.CalLonLatRadToCoorPixel(br.x, br.y, i);
if ((c2.x - c1.x) < 1280 && c2.y - c1.y < 1280)
{
return(i);
}
}
return(0);
}
public Matrix GetMatrix()
{
if (rg == null || !rg.IsReadFinished())
{
return(null);
}
CoordinateTransform ct = new CoordinateTransform();
CoorPoint lt = ct.CalLonLatDegToTwd97(rg.GetTopLeft.x, rg.GetTopLeft.y);
CoorPoint rb = ct.CalLonLatDegToTwd97(rg.GetBottomRight.x, rg.GetBottomRight.y);
Matrix m = new Matrix(1f, 0, 0, -1f, 0, 0);
float xScale = 1280.0f / (float)(rb.x - lt.x);
float yScale = 1280.0f / (float)(lt.y - rb.y);
m.Scale(xScale, yScale);
m.Translate((float)-lt.x, (float)-lt.y);
return(m);
}
public static void FillDataByRiverGrid(CoorPoint[,] inputCoor, DataGridView xv, DataGridView yv, DataGridView zv)
{
}
private CoorPoint GetTopLeft()
{
if(!rg.IsInMap())
{
return new CoorPoint(rg.GetTopLeft.x, rg.GetTopLeft.y);
}
CoordinateTransform ct = new CoordinateTransform();
CoorPoint pt = new CoorPoint();
switch (bkImgType)
{
case BackgroundMapType.None:
pt = ct.CalLonLatDegToTwd97(rg.GetTopLeft.x, rg.GetTopLeft.y);
break;
case BackgroundMapType.GoogleStaticMap:
pt = ct.CalLonLatDegToTwd97(rg.GetTopLeft.x, rg.GetTopLeft.y);
break;
case BackgroundMapType.ImportImage:
pt = topLeft;
break;
}
return pt;
}
public void SetMapBackground(string s, double e, double n, double w, double h)
{
if(s == null || s.Length == 0)
{
bkImgType = BackgroundMapType.None;
DrawGrid();
PicBox.Refresh();
return;
}
importBmp = LoadBitmapWithoutLockFile(s);
if (importBmp == null || importBmp.Width < 100 || importBmp.Height < 100)
{
bkImgType = BackgroundMapType.None;
DrawGrid();
PicBox.Refresh();
return;
}
importBmp.SetResolution(96.0F, 96.0F);
topLeft = new CoorPoint(e, n);
bottomRight = new CoorPoint(e + w, n - h);
bkImgType = BackgroundMapType.ImportImage;
DrawGrid();
PicBox.Refresh();
}
public CoorPoint Twd97ToTwd67(CoorPoint coor97)
{
double x67 = coor97.x - 807.8 - A * coor97.x - B * coor97.y;
double y67 = coor97.y + 248.6 - A * coor97.y - B * coor97.x;
return new CoorPoint(x67, y67);
}
public CoorPoint Twd67ToTwd97(CoorPoint coor67)
{
double x97 = coor67.x + 807.8 + A * coor67.x + B * coor67.y;
double y97 = coor67.y - 248.6 + A * coor67.y + B * coor67.y;
return new CoorPoint(x97, x97);
}
private bool ConvertGrid(CoorPoint[,] grid)
{
_j = grid.GetLength(1);
_i = grid.GetLength(0);
maxX = double.MinValue;
minX = double.MaxValue;
maxY = double.MinValue;
minY = double.MaxValue;
foreach(CoorPoint pt in grid)
{
if (pt.x > maxX)
maxX = pt.x;
if (pt.x < minX)
minX = pt.x;
if (pt.y > maxY)
maxY = pt.y;
if (pt.y < minY)
minY = pt.y;
}
//Finished read
CoordinateTransform ct = new CoordinateTransform();
if (IsInMap())
{
zoomScale = CalZoomScale(ct.CalTwd97ToLatLonCoorRad(maxX, maxY), ct.CalTwd97ToLatLonCoorRad(minX, minY));
}
else
{
zoomScale = 1;
}
if (zoomScale == 0)
{
return false;
}
if (IsInMap())
{
CoorPoint center = ct.CalTwd97ToLatLonCoorRad((maxX + minX) / 2, (maxY + minY) / 2);
bottomRight = ct.CalCenterLatLonToOffsetPixelLonLat(center.x, center.y, 640, 640, zoomScale).RadToDegree();
topLeft = ct.CalCenterLatLonToOffsetPixelLonLat(center.x, center.y, -640, -640, zoomScale).RadToDegree();
centerPoint = center.RadToDegree();
}
else
{
centerPoint = new CoorPoint((maxX + minX) / 2, (maxY + minY) / 2);
bottomRight = new CoorPoint(maxX, minY);
topLeft = new CoorPoint(minX, maxY);
}
return true;
}
private int CalZoomScale(CoorPoint tl, CoorPoint br)
{
CoordinateTransform ct = new CoordinateTransform();
for (int i = 21; i > 1; --i)
{
CoorPoint c2 = ct.CalLonLatRadToCoorPixel(tl.x, tl.y, i);
CoorPoint c1 = ct.CalLonLatRadToCoorPixel(br.x, br.y, i);
if ((c2.x - c1.x) < 1280 && c2.y - c1.y < 1280)
{
return i;
}
}
return 0;
}
public bool ReadInputGridData(DataGridView dx, DataGridView dy, DataGridView dz, int x, int y)
{
try
{
_j = y;
_i = x;
if (inputCoor == null || (inputCoor.GetLength(0) != _i && inputCoor.GetLength(1) != _j))
{
inputCoor = new CoorPoint[_i, _j];
}
int xyZeroCount = 0;
for (int i = 0; i < _i; ++i)
{
for (int j = 0; j < _j; ++j)
{
string s1 = dx[j, i].Value as string;
string s2 = dy[j, i].Value as string;
string s3 = dz[j, i].Value as string;
if ((s1 == null && s2 == null) || (s1.Length == 0 && s2.Length == 0))
{
if(++xyZeroCount > 1)
{
return false;
}
}
inputCoor[i, j] = new CoorPoint(Convert.ToDouble(s1), Convert.ToDouble(s2), Convert.ToDouble(dz[j, i].Value ?? 0));
if (inputCoor[i, j].x > maxX)
maxX = inputCoor[i, j].x;
if (inputCoor[i, j].x < minX)
minX = inputCoor[i, j].x;
if (inputCoor[i, j].y > maxY)
maxY = inputCoor[i, j].y;
if (inputCoor[i, j].y < minY)
minY = inputCoor[i, j].y;
}
}
}
catch
{
return false;
}
ConvertGrid(inputCoor);
return true;
}
public bool ReadInputFile(string path)
{
const int MaxLineWord = 5;
try
{
System.IO.StreamReader file = new System.IO.StreamReader(path);
char[] charSeparators = new char[] { '\t', ' ' };
string line = file.ReadLine();
string[] words = line.Split(charSeparators, MaxLineWord);
_j = Convert.ToInt32(words[0]);
_i = Convert.ToInt32(words[1]);
inputCoor = new CoorPoint[_i, _j];
int i = 0, j = _j - 1;
while ((line = file.ReadLine()) != null)
{
words = line.Split(charSeparators, MaxLineWord);
inputCoor[i, j] = new CoorPoint(Convert.ToDouble(words[0]), Convert.ToDouble(words[1]));
if (words.Length > 3)
{ //Have Z data
inputCoor[i, j].z = Convert.ToDouble(words[3]);
}
if (inputCoor[i, j].x > maxX)
maxX = inputCoor[i, j].x;
if (inputCoor[i, j].x < minX)
minX = inputCoor[i, j].x;
if (inputCoor[i, j].y > maxY)
maxY = inputCoor[i, j].y;
if (inputCoor[i, j].y < minY)
minY = inputCoor[i, j].y;
if (--j < 0)
{
j = _j - 1;
++i;
}
if (i == _i)
{
break;
}
}
ConvertGrid(inputCoor);
}
catch (Exception e)
{
MessageBox.Show(e.Message);
return false;
}
return true;
}
public bool ReadInputFile(string path)
{
const int MaxLineWord = 3;
try
{
System.IO.StreamReader file = new System.IO.StreamReader(path);
char[] charSeparators = new char[] { '\t', ' ' };
string line = file.ReadLine();
string[] words = line.Split(charSeparators, MaxLineWord);
_j = Convert.ToInt32(words[0]);
_i = Convert.ToInt32(words[1]);
inputCoor = new CoorPoint[_i, _j];
int i = 0, j = _j - 1;
while ((line = file.ReadLine()) != null)
{
words = line.Split(charSeparators, MaxLineWord);
inputCoor[i, j] = new CoorPoint(Convert.ToDouble(words[0]), Convert.ToDouble(words[1]));
if (inputCoor[i, j].x > maxX)
{
maxX = inputCoor[i, j].x;
}
if (inputCoor[i, j].x < minX)
{
minX = inputCoor[i, j].x;
}
if (inputCoor[i, j].y > maxY)
{
maxY = inputCoor[i, j].y;
}
if (inputCoor[i, j].y < minY)
{
minY = inputCoor[i, j].y;
}
if (--j < 0)
{
j = _j - 1;
++i;
}
if (i == _i)
{
break;
}
}
//Finished read
CoordinateTransform coorConv = new CoordinateTransform();
//CoorPoint topLeft = coorConv.CalTwd97ToLatLonCoorRad(maxX, maxY);
//CoorPoint bottomRight = coorConv.CalTwd97ToLatLonCoorRad(minX, minY);
zoomScale = CalZoomScale(coorConv.CalTwd97ToLatLonCoorRad(maxX, maxY), coorConv.CalTwd97ToLatLonCoorRad(minX, minY));
if (zoomScale == 0)
{
return(false);
}
CoorPoint center = coorConv.CalTwd97ToLatLonCoorRad((maxX + minX) / 2, (maxY + minY) / 2);
bottomRight = coorConv.CalCenterLatLonToOffsetPixelLonLat(center.x, center.y, 640, 640, zoomScale).RadToDegree();
topLeft = coorConv.CalCenterLatLonToOffsetPixelLonLat(center.x, center.y, -640, -640, zoomScale).RadToDegree();
centerPoint = center.RadToDegree();
}
catch (Exception e)
{
MessageBox.Show(e.Message);
return(false);
}
return(true);
}
