/// <summary>
/// 获取图幅号
/// </summary>
/// <param name="L">经度</param>
/// <param name="B">纬度</param>
/// <returns></returns>
public static string GetTFH(double L, double B, MapScaleObject scaleObj)
{
string result = string.Empty;
//计算1:100万的横和列 我国的百万比例尺计算公式
//h(横)=[B/diffb]+1; []为取整
//l(列)=[L/diffl]+31;[]为取整
double diffb = TFH100WMapScaleObject.DiffB;
double diffl = TFH100WMapScaleObject.DiffL;
int h, l;
h = (int)Math.Floor(B / diffb) + 1;
l = (int)Math.Floor(L / diffl) + 31;
if (!scaleObj.Scale.Equals(TFH100WMapScaleObject.Scale))
{
//获取指定比例尺的行列号
//h1(横)=diffb/scaleObj.DiffB-[(B/diffb)/scaleObj.DiffB] []取整 ()取余数
//l1(列)=[(L/diffl)/scaleObj.DiffL]+1 []取整 ()取余数
int h1, l1;
h1 = (int)(diffb / scaleObj.DiffB - Math.Floor((B % diffb) / scaleObj.DiffB));
l1 = (int)(Math.Floor((L % diffl) / scaleObj.DiffL) + 1);
result = string.Format("{0}{1}{2}{3}{4}", ((Scale100w)h).ToString(), string.Format("{0:##00}", l), scaleObj.Key, string.Format("{0:###000}", h1), string.Format("{0:###000}", l1));
}
else
{
result = string.Format("{0}{1}", ((Scale100w)h).ToString(), string.Format("{0:##00}", l));
}
return(result);
}
/// <summary>
/// 根据图幅号获取左上角坐标
/// </summary>
/// <param name="TFH"></param>
/// <param name="LTL"></param>
/// <param name="LTB"></param>
/// <param name="RBL"></param>
/// <param name="RBB"></param>
public static void GetLTRBPoints(string TFH, out MapScaleObject scaleObj, out double LTL, out double LTB, out double RBL, out double RBB)
{
LTL = 0;
LTB = 0;
RBL = 0;
RBB = 0;
scaleObj = null;
if (TFH.Length == 3 || TFH.Length == 10)
{
//计算1:100万的横和列 我国的百万比例尺计算公式
//h(横)=[B/diffb]+1; []为取整
//l(列)=[L/diffl]+31;[]为取整
double diffb = TFH100WMapScaleObject.DiffB;
double diffl = TFH100WMapScaleObject.DiffL;
int h, l, h1, l1;
string tfh100wH = TFH.Substring(0, 1);
string tfh100wL = TFH.Substring(1, 2);
h = (int)(Enum.Parse(typeof(Scale100w), tfh100wH));
l = int.Parse(tfh100wL);
if (TFH.Length == 10)
{
//B=h*diffb-(h1-1)*scaleObj.DiffB
//L=(l-31)*diffl+(l1-1)*scaleObj.DiffL
string tfhscale = TFH.Substring(3, 1);
string tfhh1 = TFH.Substring(4, 3);
h1 = int.Parse(tfhh1);
string tfhl1 = TFH.Substring(7, 3);
l1 = int.Parse(tfhl1);
foreach (MapScaleObject obj in TFHMapScaleList)
{
if (obj.Key.ToUpper().Equals(tfhscale.ToUpper()))
{
scaleObj = obj;
}
}
LTB = h * diffb - (h1 - 1) * scaleObj.DiffB;
LTL = (l - 31) * diffl + (l1 - 1) * scaleObj.DiffL;
RBB = LTB - scaleObj.DiffB;
RBL = LTL + scaleObj.DiffL;
}
else
{
scaleObj = TFH100WMapScaleObject;
//B=(h-1)*diffb;
//L=(l-31)*diffl;
LTB = (h - 1) * diffb;
LTL = (l - 31) * diffl;
RBB = LTB - diffb;
RBL = LTL + diffl;
}
}
}
public static TFHObject GetTFHObject(string tfh)
{
TFHObject result = new TFHObject();
result.TFH = tfh;
MapScaleObject mapscaleObj = null;
double ltl, rbl, rbb, ltb;
GetLTRBPoints(result.TFH, out mapscaleObj, out ltl, out ltb, out rbl, out rbb);
string extent = string.Format("{0},{1},{2},{3}", ltl, ltb, rbl, rbb);
result.Extent = extent;
return(result);
}
private static List <MapScaleObject> GetMapScaleList()
{
List <MapScaleObject> result = new List <MapScaleObject>();
double diffb = 0;
double diffl = 0;
//1:100万
MapScaleObject a = new MapScaleObject();
a.Key = "A";
a.Label = "1:100万";
CommonUtility.DDDMSHelper.DMS2DD(4, 0, 0, out diffb);
a.DiffB = diffb;
CommonUtility.DDDMSHelper.DMS2DD(6, 0, 0, out diffl);
a.DiffL = diffl;
a.Scale = 1000000;
a.TFNumber = 1;
result.Add(a);
//1:50万
MapScaleObject b = new MapScaleObject();
b.Key = "B";
b.Label = "1:50万";
CommonUtility.DDDMSHelper.DMS2DD(2, 0, 0, out diffb);
b.DiffB = diffb;
CommonUtility.DDDMSHelper.DMS2DD(3, 0, 0, out diffl);
b.DiffL = diffl;
b.Scale = 500000;
b.TFNumber = 4;
result.Add(b);
//1:25万
MapScaleObject c = new MapScaleObject();
c.Key = "C";
c.Label = "1:25万";
CommonUtility.DDDMSHelper.DMS2DD(1, 0, 0, out diffb);
c.DiffB = diffb;
CommonUtility.DDDMSHelper.DMS2DD(1, 30, 0, out diffl);
c.DiffL = diffl;
c.Scale = 250000;
c.TFNumber = 16;
result.Add(c);
//1:10万
MapScaleObject d = new MapScaleObject();
d.Key = "D";
d.Label = "1:10万";
CommonUtility.DDDMSHelper.DMS2DD(0, 20, 0, out diffb);
d.DiffB = diffb;
CommonUtility.DDDMSHelper.DMS2DD(0, 30, 0, out diffl);
d.DiffL = diffl;
d.Scale = 100000;
d.TFNumber = 144;
result.Add(d);
//1:5万
MapScaleObject e = new MapScaleObject();
e.Key = "E";
e.Label = "1:5万";
CommonUtility.DDDMSHelper.DMS2DD(0, 10, 0, out diffb);
e.DiffB = diffb;
CommonUtility.DDDMSHelper.DMS2DD(0, 15, 0, out diffl);
e.DiffL = diffl;
e.Scale = 50000;
e.TFNumber = 576;
result.Add(e);
//1:2.5万
MapScaleObject f = new MapScaleObject();
f.Key = "F";
f.Label = "1:2.5万";
CommonUtility.DDDMSHelper.DMS2DD(0, 5, 0, out diffb);
f.DiffB = diffb;
CommonUtility.DDDMSHelper.DMS2DD(0, 7, 30, out diffl);
f.DiffL = diffl;
f.Scale = 25000;
f.TFNumber = 2304;
result.Add(f);
//1:1万
MapScaleObject g = new MapScaleObject();
g.Key = "G";
g.Label = "1:1万";
CommonUtility.DDDMSHelper.DMS2DD(0, 2, 30, out diffb);
g.DiffB = diffb;
CommonUtility.DDDMSHelper.DMS2DD(0, 3, 45, out diffl);
g.DiffL = diffl;
g.Scale = 10000;
g.TFNumber = 9216;
result.Add(g);
//1:5000
MapScaleObject h = new MapScaleObject();
h.Key = "H";
h.Label = "1:5000";
CommonUtility.DDDMSHelper.DMS2DD(0, 1, 15, out diffb);
h.DiffB = diffb;
CommonUtility.DDDMSHelper.DMS2DD(0, 1, 52.5, out diffl);
h.DiffL = diffl;
h.Scale = 5000;
h.TFNumber = 36864;
result.Add(h);
return(result);
}
public static List <TFHObject> GetTFHList(string startTFH, string endTFH, out string msg)
{
List <TFHObject> result = new List <TFHObject>();
msg = string.Empty;
if (startTFH.Length == endTFH.Length)
{
if (startTFH.Length == 3 || startTFH.Length == 10)
{
if (startTFH.ToUpper().Equals(endTFH.ToUpper()))
{
TFHObject obj = GetTFHObject(startTFH);
result.Add(obj);
}
else
{
string hStr100wStart = startTFH.Substring(0, 1);
string hStr100wEnd = endTFH.Substring(0, 1);
string lStr100wStart = startTFH.Substring(1, 2);
string lStr100wEnd = endTFH.Substring(1, 2);
int hstart = (int)(Enum.Parse(typeof(Scale100w), hStr100wStart));
int hend = (int)(Enum.Parse(typeof(Scale100w), hStr100wEnd));
int lstart = int.Parse(lStr100wStart);
int lend = int.Parse(lStr100wEnd);
if (startTFH.Length == 3)
{
for (int i = hend; i <= hstart; i++)
{
for (int j = lstart; j <= lend; j++)
{
TFHObject obj = GetTFHObject(i, j, string.Empty, 0, 0);
result.Add(obj);
}
}
}
else//获取四点的图幅号 左上：hs ls B h1s l1s 左下：he ls B h1e l1s 右上：hs le B h1s l1e 右下：he le B h1e l1e
{
string startTFHScaleStr = startTFH.Substring(3, 1);
string endTFHScaleStr = endTFH.Substring(3, 1);
int h1start = int.Parse(startTFH.Substring(4, 3));
int l1start = int.Parse(startTFH.Substring(7, 3));
int h1end = int.Parse(endTFH.Substring(4, 3));
int l1end = int.Parse(endTFH.Substring(7, 3));
if (startTFHScaleStr.ToUpper().Equals(endTFHScaleStr.ToUpper()))
{
MapScaleObject tmpMapScaleObj = null;
foreach (MapScaleObject m in TFHMapScaleList)
{
if (m.Key.ToUpper().Equals(startTFHScaleStr.ToUpper()))
{
tmpMapScaleObj = m;
break;
}
}
if (tmpMapScaleObj != null)
{
int tfnumberHorL = (int)Math.Sqrt(tmpMapScaleObj.TFNumber);
if (hstart == hend && lstart == lend)//hstart==hend && lstart==lend 百万比例尺：同行同列
{
for (int i = h1start; i <= h1end; i++)
{
for (int j = l1start; j <= l1end; j++)
{
TFHObject obj = GetTFHObject(hstart, lstart, startTFHScaleStr, i, j);
result.Add(obj);
}
}
}
else if (hstart == hend && lstart != lend)//hstart==hend && lstart!=lend 百万比例尺：同行不同列
{
//获取四点的图幅号 左上：hs ls B h1s l1s 左下：he ls B h1e l1s 右上：hs le B h1s l1e 右下：he le B h1e l1e
for (int i = lstart; i <= lend; i++)
{
if (i == lstart)//第一格
{
for (int j = h1start; j <= h1end; j++)
{
for (int k = l1start; k <= tfnumberHorL; k++)
{
TFHObject obj = GetTFHObject(hstart, i, startTFHScaleStr, j, k);
result.Add(obj);
}
}
}
else if (i == lend)//最后一格
{
for (int j = h1start; j <= h1end; j++)
{
for (int k = 1; k <= l1end; k++)
{
TFHObject obj = GetTFHObject(hstart, i, startTFHScaleStr, j, k);
result.Add(obj);
}
}
}
else//中间
{
for (int j = h1start; j <= h1end; j++)
{
for (int k = 1; k <= tfnumberHorL; k++)
{
TFHObject obj = GetTFHObject(hstart, i, startTFHScaleStr, j, k);
result.Add(obj);
}
}
}
}
}
else if (hstart != hend && lstart == lend)//hstart!=hend && lstart==lend 百万比例尺：同列不同行
{
//获取四点的图幅号 左上：hs ls B h1s l1s 左下：he ls B h1e l1s 右上：hs le B h1s l1e 右下：he le B h1e l1e
for (int i = hend; i <= hstart; i++)
{
if (i == hstart) //在第一格
{
for (int j = h1start; j <= tfnumberHorL; j++) //循环行号
{
for (int k = l1start; k <= l1end; k++)
{
TFHObject obj = GetTFHObject(i, lstart, startTFHScaleStr, j, k);
result.Add(obj);
}
}
}
else if (i == hend)//最后一格
{
for (int j = 1; j <= h1end; j++)
{
for (int k = l1start; k <= l1end; k++)
{
TFHObject obj = GetTFHObject(i, lstart, startTFHScaleStr, j, k);
result.Add(obj);
}
}
}
else//中间
{
for (int j = 1; j <= tfnumberHorL; j++)
{
for (int k = l1start; k <= l1end; k++)
{
TFHObject obj = GetTFHObject(i, lstart, startTFHScaleStr, j, k);
result.Add(obj);
}
}
}
}
}
else//hstart!=hend && lstart!=lend 百万比例尺：不同行不同列
{
//获取四点的图幅号 左上：hs ls B h1s l1s 左下：he ls B h1e l1s 右上：hs le B h1s l1e 右下：he le B h1e l1e
for (int i = hend; i <= hstart; i++)
{
if (i == hstart)
{
for (int j = lstart; j <= lend; j++)
{
if (j == lstart)
{
for (int k = h1start; k <= tfnumberHorL; k++)
{
for (int l = l1start; l <= tfnumberHorL; l++)
{
TFHObject obj = GetTFHObject(i, j, startTFHScaleStr, k, l);
result.Add(obj);
}
}
}
else if (j == lend)
{
for (int k = h1start; k <= tfnumberHorL; k++)
{
for (int l = 1; l <= l1end; l++)
{
TFHObject obj = GetTFHObject(i, j, startTFHScaleStr, k, l);
result.Add(obj);
}
}
}
else
{
for (int k = h1start; k <= tfnumberHorL; k++)
{
for (int l = 1; l <= tfnumberHorL; l++)
{
TFHObject obj = GetTFHObject(i, j, startTFHScaleStr, k, l);
result.Add(obj);
}
}
}
}
}
else if (i == hend)
{
for (int j = lstart; j <= lend; j++)
{
if (j == lstart)
{
for (int k = 1; k <= h1end; k++)
{
for (int l = l1start; l <= tfnumberHorL; l++)
{
TFHObject obj = GetTFHObject(i, j, startTFHScaleStr, k, l);
result.Add(obj);
}
}
}
else if (j == lend)
{
for (int k = 1; k <= h1end; k++)
{
for (int l = 1; l <= l1end; l++)
{
TFHObject obj = GetTFHObject(i, j, startTFHScaleStr, k, l);
result.Add(obj);
}
}
}
else
{
for (int k = 1; k <= h1end; k++)
{
for (int l = 1; l <= tfnumberHorL; l++)
{
TFHObject obj = GetTFHObject(i, j, startTFHScaleStr, k, l);
result.Add(obj);
}
}
}
}
}
else
{
for (int j = lstart; j <= lend; j++)
{
if (j == lstart)
{
for (int k = 1; k <= tfnumberHorL; k++)
{
for (int l = l1start; l <= tfnumberHorL; l++)
{
TFHObject obj = GetTFHObject(i, j, startTFHScaleStr, k, l);
result.Add(obj);
}
}
}
else if (j == lend)
{
for (int k = 1; k <= tfnumberHorL; k++)
{
for (int l = 1; l <= l1end; l++)
{
TFHObject obj = GetTFHObject(i, j, startTFHScaleStr, k, l);
result.Add(obj);
}
}
}
else
{
for (int k = 1; k <= tfnumberHorL; k++)
{
for (int l = 1; l <= tfnumberHorL; l++)
{
TFHObject obj = GetTFHObject(i, j, startTFHScaleStr, k, l);
result.Add(obj);
}
}
}
}
}
}
}
}
else
{
msg = string.Format(string.Format("找不到对应比例尺 请检查输入图幅号：{0}——{1}", startTFH, endTFH));
}
}
else
{
msg = string.Format(string.Format("图幅号比例尺不对 请检查输入图幅号：{0}——{1}", startTFH, endTFH));
}
}
}
}
else
{
msg = string.Format(string.Format("图幅号长度不对 请检查输入图幅号：{0}——{1}", startTFH, endTFH));
}
}
else
{
msg = string.Format(string.Format("图幅号长度不一致 请检查输入图幅号：{0}——{1}", startTFH, endTFH));
}
//排序
var orders = from tfh in result orderby tfh.H descending, tfh.H1 ascending, tfh.L ascending, tfh.L1 ascending select tfh;
result = orders.ToList <TFHObject>();
return(result);
}