private void toolKM_Click_1(object sender, EventArgs e)
{
////变化单位时重新显示数据 xisheng 20111118
//if (m_Units == esriUnits.esriMeters)
//{
// this.m_Units = esriUnits.esriKilometers;
// if (lblResult.Text.Trim() != "")
// {
// if (toolMeasureArea.Checked)
// ShowResult(2, false);
// else if (toolMeasureLine.Checked)
// ShowResult(1, false);
// }
//}
////***************************************end
//toolKM.Checked = true; toolM.Checked = false;
//变化单位时重新显示数据 xisheng 20111118
this.m_MyUnits = enumMyUnits.KiloMeters;
if (lblResult.Text.Trim() != "")
{
if (toolMeasureArea.Checked)
{
ShowResult(2, false);
}
else if (toolMeasureLine.Checked)
{
ShowResult(1, false);
}
}
toolKM.Checked = true;
toolMu.Checked = false;
toolHectares.Checked = false;
toolM.Checked = false;
}
private void toolHectares_Click(object sender, EventArgs e)
{
//变化单位时重新显示数据 xisheng 20111118
this.m_MyUnits = enumMyUnits.Hectares;
if (lblResult.Text.Trim() != "")
{
if (toolMeasureArea.Checked)
{
ShowResult(2, false);
}
else if (toolMeasureLine.Checked)
{
ShowResult(1, false);
}
}
toolKM.Checked = false;
toolMu.Checked = false;
toolHectares.Checked = true;
toolM.Checked = false;
}
private string GetMyAreaUnitsName(enumMyUnits pUnit)
{
switch (pUnit)
{
case enumMyUnits.Meters:
return("平方米");
case enumMyUnits.KiloMeters:
return("平方千米");
case enumMyUnits.Mu:
return("亩");
case enumMyUnits.Hectares:
return("公顷");
default:
return("平方米");
break;
}
}
public void ShowResult(int meaType, bool start)
{
string sResult = "";
string sUnit_len = "";
string sUnit_Area = "";
sUnit_len = this.GetMyLenUnitsName(m_MyUnits);
sUnit_Area = this.GetMyAreaUnitsName(m_MyUnits);
enumMyUnits pToUnit = m_MyUnits;
////////////////////判断坐标单位是否一致////////////////////////
double dSum = this.dblSumLength;
double bCurrentlen = this.dblSegLength;
double dlen = this.dblLength;
//xs针对单位变化的时候来调整数据的 xisheng 2011117
double area = dblArea;
double sumarea = dblSumArea;
double show_curCirclelen = dlen;
double show_curlen = bCurrentlen;
double show_sumlen = dSum;
double show_curarea = area;
double show_sumarea = sumarea;
if (pToUnit == enumMyUnits.Meters)
{
if (arealast != 0)
{
area = arealast;
sumarea = sumarealast;
}
else
{
arealast = area;
sumarealast = sumarea;
//dblSumArea = dblSumArea * 1000000;
}
}
else if (pToUnit == enumMyUnits.KiloMeters)
{
if (arealast != 0)
{
area = arealast;
sumarea = sumarealast;
}
else
{
arealast = area;
sumarealast = sumarea;
//dblSumArea = dblSumArea / 1000000;
}
show_curCirclelen = show_curCirclelen / 1000;
show_curlen = show_curlen / 1000;
show_sumlen = show_sumlen / 1000;
show_curarea = show_curarea / 1000000;
show_sumarea = show_sumarea / 1000000;
}
else if (pToUnit == enumMyUnits.Mu)
{
if (arealast != 0)
{
area = arealast;
sumarea = sumarealast;
}
else
{
arealast = area;
sumarealast = sumarea;
//dblSumArea = dblSumArea / 1000000;
}
show_curarea = show_curarea * 3 / 2000;
show_sumarea = show_sumarea * 3 / 2000;
}
else if (pToUnit == enumMyUnits.Hectares)
{
if (arealast != 0)
{
area = arealast;
sumarea = sumarealast;
}
else
{
arealast = area;
sumarealast = sumarea;
//dblSumArea = dblSumArea / 1000000;
}
show_curarea = show_curarea / 10000;
show_sumarea = show_sumarea / 10000;
}
//xs***************************************************end
if (meaType == 1)
{
sResult = "线段测量结果：\n当前弧段长度：" + Math.Round(show_curCirclelen, 3) + sUnit_len
+ "\n当前线段长度：" + Math.Round(show_curlen, 3) + sUnit_len;
if (this.m_bShowSum == true)
{
sResult += "\n\n总长度：" + Math.Round(show_sumlen, 3) + sUnit_len;
}
}
else if (meaType == 2)
{
sResult = "多边形测量结果：\n当前弧段长度：" + Math.Round(show_curCirclelen, 3) + sUnit_len
+ "\n当前多边形周长：" + Math.Round(show_curlen, 3) + sUnit_len
+ "\n当前多边形面积：" + Math.Round(show_curarea, 3) + sUnit_Area;
if (this.m_bShowSum == true)
{
sResult += "\n\n总周长：" + Math.Round(show_sumlen, 3) + sUnit_len
+ "\n总面积：" + Math.Round(show_sumarea, 3) + sUnit_Area;
}
}
else if (meaType == 3)
{
sResult = "和X正轴夹角：" + ang.ToString("f2") + "°";
}
if (start)
{
//重新画了之后把之前的面积置于0 xisheng 20111118
sumarealast = 0;
arealast = 0;
}
this.lblResult.Text = sResult;
}
//显示结果到窗体上
public void ShowResult(double segLen, double len, double SumLen, double Area, double SumArea, bool IsLine)
{
string sResult = "";
string sUnit_len = "";
string sUnit_Area = "";
sUnit_len = this.GetMyLenUnitsName(m_MyUnits);
sUnit_Area = this.GetMyAreaUnitsName(m_MyUnits);
////////////////////判断坐标单位是否一致////////////////////////
double dSum = SumLen;
double bCurrentlen = segLen;
double dlen = len;
enumMyUnits pToUnit = m_MyUnits;
double show_curCirclelen = dlen;
double show_curlen = bCurrentlen;
double show_sumlen = dSum;
double show_curarea = Area;
double show_sumarea = SumArea;
if (pToUnit == enumMyUnits.Meters)
{
}
else if (pToUnit == enumMyUnits.KiloMeters)
{
show_curCirclelen = show_curCirclelen / 1000;
show_curlen = show_curlen / 1000;
show_sumlen = show_sumlen / 1000;
show_curarea = show_curarea / 1000000;
show_sumarea = show_sumarea / 1000000;
}
else if (pToUnit == enumMyUnits.Mu)
{
show_curarea = show_curarea * 3 / 2000;
show_sumarea = show_sumarea * 3 / 2000;
}
else if (pToUnit == enumMyUnits.Hectares)
{
show_curarea = show_curarea / 10000;
show_sumarea = show_sumarea / 10000;
}
//原有代码
//if (this.m_Displayunit != esriUnits.esriUnknownUnits)
//{
// if (this.m_Displayunit != this.m_Units)
// {
// dSum = UnitConvert(dSum);
// bCurrentlen = UnitConvert(bCurrentlen);
// dlen = UnitConvert(dlen);
// //Area = UnitConvert(Area);
// //SumArea = UnitConvert(SumArea);
// }
//}
////////////////////////////////////////////////////////////////
//xisheng 20111118 end************************************end
if (IsLine == true)
{
sResult = "线段测量结果：\n当前弧段长度：" + Math.Round(show_curCirclelen, 3) + sUnit_len
+ "\n当前线段长度：" + Math.Round(show_curlen, 3) + sUnit_len;
if (this.m_bShowSum == true)
{
sResult += "\n\n总长度：" + Math.Round(show_sumlen, 3) + sUnit_len;
}
}
else
{
sResult = "多边形测量结果：\n当前弧段长度：" + Math.Round(show_curlen, 3) + sUnit_len
+ "\n当前多边形周长：" + Math.Round(show_curCirclelen, 3) + sUnit_len
+ "\n当前多边形面积：" + Math.Round(show_curarea, 3) + sUnit_Area;
if (this.m_bShowSum == true)
{
sResult += "\n\n总周长：" + Math.Round(show_sumlen, 3) + sUnit_len
+ "\n总面积：" + Math.Round(show_sumarea, 3) + sUnit_Area;
}
}
this.lblResult.Text = sResult;
}
