实例介绍
【实例简介】
【实例截图】
【核心代码】
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using ESRI.ArcGIS.Geodatabase;
using ESRI.ArcGIS.DataSourcesGDB;
using ESRI.ArcGIS.Carto;
using ESRI.ArcGIS.SystemUI;
using ESRI.ArcGIS.DataSourcesRaster;
namespace 实习1
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
IWorkspace pWorkspace = null;
ILayer pLayer = null;
private void Form1_Load(object sender, EventArgs e)
{
//第一种方法
//axMapControl1.AddShapeFile(@"E:\朱泰峰_GIS程序设计\实习数据\实习数据库.gdb", "桔园5万");
//在mapcontrol控件的属性中添加地图文档
//第三种调用类方法
string workspacename = @"..\..\..\实习数据库.gdb";
string featureclasssname = "桔园5万";
IFeatureLayer pFeatureLayer = Accessor.AddfileGDBfeatureclasstomapcontrol(workspacename, featureclasssname);
axMapControl1.AddLayer(pFeatureLayer as ILayer);
//将query添加到ToolbarControl
axToolbarControl1.AddItem(new query(axMapControl1,datatable2 = new DataTable(),datatable1 = new DataTable()), -1, -1, false, 0,esriCommandStyles.esriCommandStyleIconAndText);
string[] rastername = {"有效磷插值","速效钾插值" ,"NH4插值"};
for (int i=0; i< rastername.Length; i )
{
IRaster2 praster2 = Accessor.LoadRasterfromfileGDB(workspacename, rastername[i]);
IRasterLayer rasterLayer = new RasterLayerClass();
rasterLayer.CreateFromRaster(praster2 as IRaster);
pLayer = rasterLayer as ILayer;
axMapControl1.AddLayer(pLayer);
}
#region//初始化datagridview1
dataGridView1.RowHeadersVisible = false;
dataGridView1.AllowUserToAddRows = false;
dataGridView1.Enabled = false;
//初始化datatable1
datatable1.Columns.Add("项", typeof(string));
datatable1.Columns.Add("数值", typeof(double));
DataRow pdataRow = datatable1.NewRow();
pdataRow[0] = "土壤含氮量";
datatable1.Rows.Add(pdataRow);
pdataRow = datatable1.NewRow();
pdataRow[0] = "土壤含钾量";
datatable1.Rows.Add(pdataRow);
pdataRow = datatable1.NewRow();
pdataRow[0] = "土壤含磷量";
datatable1.Rows.Add(pdataRow);
// 设置datagridview数据源
dataGridView1.DataSource = datatable1;
dataGridView1.ClearSelection();
#endregion
#region//初始化datagridview2
dataGridView2.RowHeadersVisible = false;
dataGridView2.AllowUserToAddRows = false;
dataGridView2.Enabled = false;
//初始化datatable1
datatable2.Columns.Add("项", typeof(string));
datatable2.Columns.Add("铵态氮", typeof(double));
datatable2.Columns.Add("速效钾", typeof(double));
datatable2.Columns.Add("高效磷", typeof(double));
DataRow dataRow = datatable2.NewRow();
dataRow[0] = "施肥总量";
datatable2.Rows.Add(dataRow);
dataRow = datatable2.NewRow();
dataRow[0] = "春肥";
datatable2.Rows.Add(dataRow);
dataRow = datatable2.NewRow();
dataRow[0] = "壮果肥";
datatable2.Rows.Add(dataRow);
dataRow = datatable2.NewRow();
dataRow[0] = "冬肥";
datatable2.Rows.Add(dataRow);
// 设置datagridview数据源
dataGridView2.DataSource = datatable2;
dataGridView2.ClearSelection();
#endregion
label1.Text = "目标产量：1000公斤";
trackBar1.Minimum = 1000;
trackBar1.Maximum = 4000;
}
private void button1_Click(object sender, EventArgs e)
{
//第二种
/*string filePath = @"..\..\实习数据\实习数据库.gdb";
IWorkspaceFactory pWorkspaceFactory = new FileGDBWorkspaceFactoryClass();
pWorkspace = pWorkspaceFactory.OpenFromFile(filePath, 0);
IEnumDataset pEDataset = pWorkspace.get_Datasets(esriDatasetType.esriDTAny);//获取所有独立的数据集的集合
IDataset pDataset = pEDataset.Next();//获取下一个数据集
IFeatureWorkspace pfws = pWorkspace as IFeatureWorkspace;
while (pDataset != null)
{
if (pDataset.Type == esriDatasetType.esriDTFeatureClass)
{
IFeatureClass pFClass = null;
IFeatureLayer pFLayer = new FeatureLayerClass();
ILayer pLayer = null;
pFClass = pfws.OpenFeatureClass(pDataset.Name);
pFLayer.FeatureClass = pFClass;
pFLayer.Name = pDataset.Name;
pLayer = pFLayer as ILayer;
axMapControl1.AddLayer(pLayer);
}
else if (pDataset.Type == esriDatasetType.esriDTFeatureDataset)
{
IEnumDataset pSubEDataset = pDataset.Subsets;//获取包含在要素数据集pDataset中的子数据集的集合
IDataset pSubDataset = pSubEDataset.Next();
while (pSubDataset != null)//遍历数据集的集合
{
IFeatureClass pFClass = null;
IFeatureLayer pFLayer = new FeatureLayerClass();
ILayer pLayer = null;
pFClass = pfws.OpenFeatureClass(pDataset.Name);
pFLayer.FeatureClass = pFClass;
pFLayer.Name = pDataset.Name;
pLayer = pFLayer as ILayer;
axMapControl1.AddLayer(pLayer);
pSubDataset = pSubEDataset.Next();
}
}
pDataset = pEDataset.Next();
}
}
}*/
}
private void trackBar1_Scroll(object sender, EventArgs e)
{
StringBuilder str_yield = new StringBuilder("目标产量：");
str_yield.Append(trackBar1.Value);
str_yield.Append("公斤");
label1.Text = trackBar1.Value.ToString();
double N_adjust = shifeihanshu.Nadjust(Convert.ToDouble(datatable1.Rows[0][1].ToString()));
double K_adjust = shifeihanshu.Kadjust(Convert.ToDouble(datatable1.Rows[1][1].ToString()));
double P_adjust = shifeihanshu.Padjust(Convert.ToDouble(datatable1.Rows[2][1].ToString()));
Console.WriteLine("氮：" N_adjust "钾：" K_adjust " 磷：" P_adjust);
double[] adjust = new double[3];
adjust[0] = N_adjust;
adjust[1] = K_adjust;
adjust[2] = P_adjust;
double[] sum = shifeihanshu.FertilizingAmount(trackBar1, adjust);
for(int i=0; i<sum.Length; i )
{
dataGridView2.Rows[0].Cells[i 1].Value = sum[i];
}
//计算分量
double[,] proportion = new double[3, 3]
{
{ 0.3, 0.3, 0.3 },
{ 0.4, 0.4, 0.4 },
{ 0.3, 0.3, 0.3 }
};
double[,] component = shifeihanshu.FertilizingComponent(sum, proportion);
for (int i = 0; i < sum.Length; i )
{
for (int k = 0; k < sum.Length; k )
{
dataGridView2.Rows[k 1].Cells[i 1].Value = component[k, i];
}
}
}
private void label1_Click(object sender, EventArgs e)
{
}
}
}
标签： 计算
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