// 计算“植被覆盖”图层范围内的坡度和坡向 - 事件入口
private void btn_AnalysisFillArr_Click(object sender, EventArgs e)
{
#region # 按钮操作流程控制
if (btn_AnalysisFillArr.BackColor == Color.White)
{
MessageBox.Show("坡度和坡向计算已完成");
return;
}
#endregion
try
{
FromSchedule schedule = new FromSchedule(4);
schedule.Show();
ILayer pLayer_DEM = GetLayerFromName("DEM");
ILayer pLayer_vagetable = GetLayerFromName("植被覆盖");
schedule.GO("正在提取植被覆盖图层范围内的DEM数据"); // = 1
ILayer pLayer_dem = GetLayerFromName("研究区DEM");
if (pLayer_dem == null)
{
string out_dem = DATADIR + "Database.gdb\\研究区DEM";
ExtractByMask(pLayer_DEM, pLayer_vagetable, out_dem);
AddRasterFromGDB("研究区DEM");
pLayer_dem = GetLayerFromName("研究区DEM");
}
schedule.GO("正在提取研究区DEM坡度"); // = 2
pLayer_DEM = GetLayerFromName("研究区DEM");
string out_slope = DATADIR + "Database.gdb\\坡度";
Slope(pLayer_DEM, out_slope);
schedule.GO("正在提取研究区DEM坡向"); // = 3
string out_aspect = DATADIR + "Database.gdb\\坡向";
Aspect(pLayer_DEM, out_aspect);
schedule.GO("正在可视化结果"); // = 4
AddRasterFromGDB("坡向", "坡度");
SetLayersVisibleStatus(true, GetLayerFromName("坡向"), GetLayerFromName("坡度"));
schedule.OK();
#region # 按钮操作流程控制
btn_AnalysisFillArr.BackColor = Color.White;
if (btn_GetWater.BackColor == Color.White)
{
SetButtonsEnableStatus(true, btn_classify);
}
#endregion
}
catch (Exception ex)
{
MessageBox.Show(ex.ToString(), "错误信息");
}
}
// 加权叠加生成生态因子敏感度等级分布 - 事件入口
private void btn_weightedOverlay_Click(object sender, EventArgs e)
{
#region # 按钮操作流程控制
if (btn_weightedOverlay.BackColor == Color.White)
{
MessageBox.Show("生态因子敏感性等级分类已完成");
return;
}
#endregion
FromSchedule schedule = new FromSchedule(1);
schedule.Show();
schedule.GO("正在执行加权叠加生成生态因子敏感度等级分布计算"); // = 1
ILayer pLayer_reSlope = GetLayerFromName("reclassify_坡度");
ILayer pLayer_reDEM = GetLayerFromName("reclassify_研究区DEM");
ILayer pLayer_reAspect = GetLayerFromName("reclassify_坡向");
ILayer pLayer_reVagetable = GetLayerFromName("reclassify_植被覆盖");
ILayer pLayer_reWater = GetLayerFromName("reclassify_水系");
ILayer pLayer_reWaterBfr = GetLayerFromName("reclassify_河流缓冲");
ESRI.ArcGIS.SpatialAnalystTools.WeightedOverlay pTool = new ESRI.ArcGIS.SpatialAnalystTools.WeightedOverlay()
{
in_weighted_overlay_table = @"('D:\gitproj\GIS-8-Competition-CH\ArcGISEngine\Temp_1110_4_3\Temp_1110_4_3\bin\Debug\Data\Database.gdb\reclassify_坡度' 20 'Value' (1 1; 2 2; 3 3; 4 4; 5 5;NODATA NODATA); 'D:\gitproj\GIS-8-Competition-CH\ArcGISEngine\Temp_1110_4_3\Temp_1110_4_3\bin\Debug\Data\Database.gdb\reclassify_研究区DEM' 10 'Value' (1 1; 2 2; 3 3;NODATA NODATA); 'D:\gitproj\GIS-8-Competition-CH\ArcGISEngine\Temp_1110_4_3\Temp_1110_4_3\bin\Debug\Data\Database.gdb\reclassify_坡向' 10 'Value' (1 1; 2 2; 3 3; 4 4; 5 5;NODATA NODATA); 'D:\gitproj\GIS-8-Competition-CH\ArcGISEngine\Temp_1110_4_3\Temp_1110_4_3\bin\Debug\Data\Database.gdb\reclassify_植被覆盖' 30 'Value' (1 1; 4 4;NODATA NODATA); 'D:\gitproj\GIS-8-Competition-CH\ArcGISEngine\Temp_1110_4_3\Temp_1110_4_3\bin\Debug\Data\Database.gdb\reclassify_水系' 20 'Value' (1 1; 4 4;NODATA NODATA); 'D:\gitproj\GIS-8-Competition-CH\ArcGISEngine\Temp_1110_4_3\Temp_1110_4_3\bin\Debug\Data\Database.gdb\reclassify_河流缓冲' 10 'Value' (1 1; 2 2; 3 3; 4 4; 5 5;NODATA NODATA));1 5 1",
out_raster = DATADIR + "Database.gdb\\生态环境敏感度等级"
};
GP.Execute(pTool, null);
AddRasterFromGDB("生态环境敏感度等级");
SetLayersVisibleStatus(true, GetLayerFromName("生态环境敏感度等级"));
schedule.OK();
#region # 按钮操作流程控制
btn_weightedOverlay.BackColor = Color.White;
SetButtonsEnableStatus(true, btn_ExportMap);
#endregion
}
// 生态因子敏感性等级分类 - 事件入口
private void btn_classify_Click(object sender, EventArgs e)
{
#region # 按钮操作流程控制
if (btn_classify.BackColor == Color.White)
{
MessageBox.Show("生态因子敏感性等级分类已完成");
return;
}
#endregion
try
{
FromSchedule schedule = new FromSchedule(7);
schedule.Show();
schedule.GO("正在获取图层数据"); // = 1
ILayer pLayer_Slope = GetLayerFromName("坡度"); // 地形因子 - 坡度
string reclass_slope = DATADIR + "Database.gdb\\reclassify_坡度";
ILayer pLayer_DEM = GetLayerFromName("研究区DEM"); // 地形因子 - 高程
string reclass_dem = DATADIR + "Database.gdb\\reclassify_研究区DEM";
ILayer pLayer_Aspect = GetLayerFromName("坡向"); // 地形因子 - 坡向
string reclass_aspect = DATADIR + "Database.gdb\\reclassify_坡向";
ILayer pLayer_Vagetable = GetLayerFromName("植被覆盖"); // 植被因子 - 植被
string reclass_vagetable = DATADIR + "Database.gdb\\reclassify_植被覆盖";
ILayer pLayer_Water = GetLayerFromName("流量"); // 水体因子 - 水系
string reclass_water = DATADIR + "Database.gdb\\reclassify_水系";
ILayer pLayer_WaterBfr = GetLayerFromName("河流缓冲"); // 水体因子 - 河流缓冲
string reclass_waterbfr = DATADIR + "Database.gdb\\reclassify_河流缓冲";
schedule.GO("正在进行地形因子（坡度）敏感度等级分类"); // = 2
Reclassify(pLayer_Slope, "Value", "0 10 1;10 25 2;25 45 3;45 60 4;60 75.30560302734375 5", reclass_slope);
AddRasterFromGDB("reclassify_坡度");
schedule.GO("正在进行地形因子（高程）敏感度等级分类"); // = 3
Reclassify(pLayer_DEM, "Value", "999 1000 1;1000 1500 2;1500 2500 3;2500 3000 4;3000 2403 5", reclass_dem);
AddRasterFromGDB("reclassify_研究区DEM");
schedule.GO("正在进行地形因子（坡向）敏感度等级分类"); // = 4
Reclassify(pLayer_Aspect, "Value", "-1 0 1;0 22.5 5;22.5 67.5 4;67.5 112.5 3;112.5 156.5 2;156.5 202.5 1;202.5 248.5 2;248.5 292.5 3;292.5 337.5 4;337.5 360 5", reclass_aspect);
AddRasterFromGDB("reclassify_坡向");
schedule.GO("正在进行地形因子（植被）敏感度等级分类"); // = 5
Reclassify(pLayer_Vagetable, "Value", "-1 1;-1 0 4", reclass_vagetable);
AddRasterFromGDB("reclassify_植被覆盖");
schedule.GO("正在进行地形因子（水系）敏感度等级分类"); // = 6
Reclassify(pLayer_Water, "Value", "0 1000 1;1000 122577 4", reclass_water);
AddRasterFromGDB("reclassify_水系");
schedule.GO("正在进行地形因子（河流缓冲）敏感度等级分类"); // = 7
Reclassify(pLayer_WaterBfr, "Value", "0 25 5;25 50 4;50 100 3;100 150 2;150 1782.037842 1", reclass_waterbfr);
AddRasterFromGDB("reclassify_河流缓冲");
schedule.OK();
#region # 按钮操作流程控制
btn_classify.BackColor = Color.White;
SetButtonsEnableStatus(true, btn_weightedOverlay);
#endregion
}
catch (Exception ex)
{
MessageBox.Show(ex.ToString(), "错误信息");
}
}
// 提取“植被覆盖”图层范围内的河流数据 - 事件入口
private void btn_GetWater_Click(object sender, EventArgs e)
{
#region # 按钮操作流程控制
if (btn_GetWater.BackColor == Color.White)
{
MessageBox.Show("河流数据提取已完成");
return;
}
#endregion
try
{
FromSchedule schedule = new FromSchedule(6);
schedule.Show();
ILayer pLayer_dem = GetLayerFromName("研究区DEM");
if (pLayer_dem == null)
{
ILayer pLayer_DEM = GetLayerFromName("DEM");
ILayer pLayer_vagetable = GetLayerFromName("植被覆盖");
string out_dem = DATADIR + "Database.gdb\\研究区DEM";
ExtractByMask(pLayer_DEM, pLayer_vagetable, out_dem);
AddRasterFromGDB("研究区DEM");
pLayer_dem = GetLayerFromName("研究区DEM");
}
schedule.GO("正在填挖研究区DEM"); // = 1
string out_filldem = DATADIR + "Database.gdb\\填挖研究区DEM";
Fill(pLayer_dem, out_filldem);
AddRasterFromGDB("填挖研究区DEM");
schedule.GO("正在提取流向数据"); // = 2
pLayer_dem.Visible = false;
pLayer_dem = GetLayerFromName("填挖研究区DEM");
string out_flowdir = DATADIR + "Database.gdb\\流向";
FlowDirection(pLayer_dem, out_flowdir);
AddRasterFromGDB("流向");
schedule.GO("正在提取流量数据"); // = 3
ILayer pLayer_flowdir = GetLayerFromName("流向");
string out_flowacc = DATADIR + "Database.gdb\\流量";
FlowAccumulation(pLayer_flowdir, out_flowacc);
AddRasterFromGDB("流量");
schedule.GO("正在提取河流数据"); // = 4
ILayer pLayer_flowacc = GetLayerFromName("流量");
string out_river = DATADIR + "Database.gdb\\河流";
ExtractByAttributes(pLayer_flowacc, out_river, "Value >= 1000");
AddRasterFromGDB("河流");
schedule.GO("正在计算河流距离"); // = 5
ILayer pLayer_river = GetLayerFromName("河流");
string out_riverdis = DATADIR + "Database.gdb\\河流距离";
EuclideanDistance(pLayer_river, out_riverdis);
schedule.GO("河流距离数据淹没"); // = 6
string out_riverDis = DATADIR + "Database.gdb\\河流缓冲";
ExtractByMask(out_riverdis, pLayer_dem, out_riverDis);
AddRasterFromGDB("河流缓冲");
SetLayersVisibleStatus(true, GetLayerFromName("河流"), GetLayerFromName("河流缓冲"));
schedule.OK();
#region # 按钮操作流程控制
btn_GetWater.BackColor = Color.White;
if (btn_AnalysisFillArr.BackColor == Color.White)
{
SetButtonsEnableStatus(true, btn_classify);
}
#endregion
}
catch (Exception ex)
{
MessageBox.Show(ex.ToString(), "错误信息");
}
}
