public List <double> SpecialEcoIndexCal()
{
if (speIndexName.Count <= 0)
{
return(speEcoIndexResult);
}
specialIndexFla = new IndexFormula(zoneClassArea);
double LD_Weight = 0;
double CD_Weight = 0;
double LCD_Weight = 0;
double SYSD_Weight = 0;
double GDJSYD_Weight = 0;
double[] SYHY_Weight = new double[4];
string strGNQ = string.Empty;
#region 生态功能区生态环境状况评价指标计算系数
string str = speIndexName[0].Substring(0, speIndexName[0].IndexOf("_"));
if (str == "防风固沙生态功能区")
{
LCD_Weight = 105.4407423028;
SYSD_Weight = 824.4023083265;
GDJSYD_Weight = 165.0437365902;
}
else if (str == "水土保持生态功能区")
{
LCD_Weight = 104.5696957022;
SYSD_Weight = 1418.4397163121;
GDJSYD_Weight = 150.6477854776;
}
else if (str == "水源涵养生态功能区")
{
LD_Weight = 104.4277360067;
CD_Weight = 120.5836247438;
SYSD_Weight = 321.4400514304;
GDJSYD_Weight = 102.7221366204;
SYHY_Weight = new double[] { 526.7925984400, 0.45, 0.35, 0.20 };
}
else if (str == "生物多样性维护生态功能区")
{
LD_Weight = 113.3915409910;
CD_Weight = 130.9414691633;
SYSD_Weight = 329.9241174530;
GDJSYD_Weight = 116.2115049390;
}
#endregion
#region 指标计算
for (int j = 0; j < speIndexName.Count; j++)
{
str = speIndexName[j].Substring(speIndexName[j].IndexOf("_") + 1);
#region 根据所选指标调用公式
switch (str)
{
case "林地覆盖率":
speEcoIndexResult.Add(specialIndexFla.ForestAreaRatio(LD_Weight));
break;
case "草地覆盖率":
speEcoIndexResult.Add(specialIndexFla.GrassAreaRatio(CD_Weight));
break;
case "耕地和建设用地面积比":
speEcoIndexResult.Add(specialIndexFla.FarmConstructionAreaRatio(GDJSYD_Weight));
break;
case "水域湿地面积比":
speEcoIndexResult.Add(specialIndexFla.WaterAreaRatio(SYSD_Weight));
break;
case "林草地覆盖率":
speEcoIndexResult.Add(specialIndexFla.ForestGrassAreaRatio(LCD_Weight));
break;
case "水源涵养指数":
speEcoIndexResult.Add(specialIndexFla.SYHYIndex(SYHY_Weight));
break;
case "受保护区域面积比":
speEcoIndexResult.Add(specialIndexFla.ProtectAreaRatio());
break;
default:
break;
}
#endregion
}
#endregion
return(speEcoIndexResult);
}
