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   源码介绍

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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)
        {

        }
    }
}