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;
}
private Matrix GetMatrix()
{
if (rg==null || !rg.IsReadFinished())
{
return null;
}
CoordinateTransform ct = new CoordinateTransform();
CoorPoint lt = GetTopLeft();
CoorPoint rb = GetBottomRight(); ;
float w = 0;
float h = 0;
if (BackgroundMapType.GoogleStaticMap == bkImgType)
{
w = GetGridBitmap().Width;
h = GetGridBitmap().Height;
}
else if (BackgroundMapType.ImportImage == bkImgType)
{
w = GetGridBitmap().Width;
h = GetGridBitmap().Height;
}
else //if (BackgroundMapType.None == bkImgType)
{
w = 640 * 2;
h = 640 * 2;
}
if(!rg.IsInMap())
{
double coorW = rb.x - lt.x;
double coorH = lt.y - rb.y;
if (coorW > coorH)
{ //�e�j��
lt.y += (coorW - coorH) / 2;
rb.y -= (coorW - coorH) / 2;
}
else if (coorW < coorH)
{ //���j��e
lt.x -= (coorH - coorW) / 2;
rb.x += (coorH - coorW) / 2;
}
coorW = rb.x - lt.x;
coorH = lt.y - rb.y;
lt.x -= coorW * 0.1;
rb.x += coorW * 0.1;
lt.y += coorH * 0.1;
rb.y -= coorH * 0.1;
}
Matrix m = new Matrix(1f, 0, 0, -1f, 0, 0);
float xScale = w / (float)(rb.x - lt.x);
float yScale = h / (float)(lt.y - rb.y);
m.Scale(xScale, yScale);
m.Translate((float)-lt.x, (float)-lt.y);
return m;
}
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 DownloadGridMap(int coorType, string tl, string tr, string bl, string br)
{
try
{
CoorPoint tlp = topLeft, cp = centerPoint, brp = bottomRight;
if ((GridPictureBox.CoorType)coorType == GridPictureBox.CoorType.TWD64)
{
CoordinateTransform ct = new CoordinateTransform();
tlp = ct.Twd97ToTwd67(topLeft);
cp = ct.Twd97ToTwd67(centerPoint);
brp = ct.Twd97ToTwd67(bottomRight);
}
DownloadStaticMap((topLeft.x + centerPoint.x) / 2, (topLeft.y + centerPoint.y) / 2, zoomScale, br);
DownloadStaticMap((bottomRight.x + centerPoint.x) / 2, (topLeft.y + centerPoint.y) / 2, zoomScale, bl);
DownloadStaticMap((topLeft.x + centerPoint.x) / 2, (bottomRight.y + centerPoint.y) / 2, zoomScale, tr);
DownloadStaticMap((bottomRight.x + centerPoint.x) / 2, (bottomRight.y + centerPoint.y) / 2, zoomScale, tl);
}
catch
{
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);
}
