DotSpatialMap


在DotSpatial开源类库的基础上开发具有较高实用性、扩展性和技术先进性的GIS软件技术框架,初步实现了地图基本操作、数据读取加载、地图投影及坐标转换等,采用.Net平台, DotSpatial快速入门。
资源截图
代码片段和文件信息
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 DotSpatial.Controls;
using DotSpatial.Data;
using DotSpatial.Topology;
using DotSpatial.Symbology;


namespace WindowsFormsApplication3
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();

            map1.MouseUp += map1_MouseUp;
            map1.FunctionMode = FunctionMode.Pan;
            map1.Legend = legend1;
           // map1.dr

        }

        // Handle the mouse up event
        void map1_MouseUp(object sender MouseEventArgs e)
        {
            // only select polygons with the right button
            if (e.Button != MouseButtons.Right) return;

            // Get the geographic location of the mouse click
            Coordinate c = map1.PixelToProj(e.Location);

            // Return if no data layers exist
            if (map1.layers.Count < 1) return;


            // Also mpl can be used to change the selection color.
            IMapPolygonlayer mpl = map1.layers[0] as IMapPolygonlayer;

            // If the first layer is not a polygon layer exit.
            if (mpl == null) return;

            // Get the featureset that contains the actual polygon data for the layer
            IFeatureSet fs = map1.layers[0].DataSet as IFeatureSet;

            // If this is null or not a featureset exit
            if (fs == null) return;

            // Set up an index 
            int iShape = 0;

            // Cycle through the shapes
            foreach (ShapeRange shape in fs.ShapeIndices)
            {
                // Test if the coordinate is in the polygon
                if (shape.Intersects(c)) //!
                {
                    //!取消全部选择
                    mpl.UnSelectAll();

                    // Select the polygon if the the coordinate intersects.
                    mpl.Select(iShape);

                    IFeature feature = fs.Features[iShape];

                   MessageBox.Show( feature.DataRow[“Class1“].ToString()+feature.DataRow[“Area“].ToString());

                }
                iShape++;
            }
           // MessageBox.Show(iShape.ToString());
        }

        private void buttonloadMap_Click(object sender EventArgs e)
        {
            map1.Addlayer();
        }

        private void buttonZoomOut_Click(object sender EventArgs e)
        {
            map1.ZoomOut();
        }
        private void buttonZoomEx_Click(object sender EventArgs e)
        {
            map1.ZoomToMaxExtent();
            map1.Refresh();
        }

        private void buttonClearMap_Click(object sender EventArgs e)
        {
            map1.Clearlayers();
        }

        private void buttonZoomIn_Click(object sender 

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----

     文件       5120  2014-07-25 02:47  DotSpatialMapincsDotSpatial.Projections.Forms.resources.dll

     文件       8704  2014-07-25 02:47  DotSpatialMapincsDotSpatial.Symbology.Forms.resources.dll

     文件      17920  2014-07-25 02:47  DotSpatialMapindeDotSpatial.Projections.Forms.resources.dll

     文件       9216  2014-07-25 02:47  DotSpatialMapinde-DEDotSpatial.Controls.resources.dll

     文件      47616  2014-07-25 02:47  DotSpatialMapinde-DEDotSpatial.Projections.Forms.resources.dll

     文件     415232  2014-07-25 02:47  DotSpatialMapinde-DEDotSpatial.Symbology.Forms.resources.dll

     文件     805888  2014-07-25 02:47  DotSpatialMapinDotSpatial.Controls.dll

     文件    1025536  2014-07-25 02:47  DotSpatialMapinDotSpatial.Controls.pdb

     文件     521172  2014-07-25 02:47  DotSpatialMapinDotSpatial.Controls.xml

     文件     402432  2014-07-25 02:47  DotSpatialMapinDotSpatial.Data.dll

     文件      70656  2014-07-25 02:47  DotSpatialMapinDotSpatial.Data.Forms.dll

     文件     138752  2014-07-25 02:47  DotSpatialMapinDotSpatial.Data.Forms.pdb

     文件     101010  2014-07-25 02:47  DotSpatialMapinDotSpatial.Data.Forms.xml

     文件    1199616  2014-07-25 02:47  DotSpatialMapinDotSpatial.Data.pdb

     文件    1024669  2014-07-25 02:47  DotSpatialMapinDotSpatial.Data.xml

     文件      10240  2014-07-25 02:47  DotSpatialMapinDotSpatial.Extensions.dll

     文件      19968  2014-07-25 02:47  DotSpatialMapinDotSpatial.Extensions.pdb

     文件       9868  2014-07-25 02:47  DotSpatialMapinDotSpatial.Extensions.xml

     文件      96256  2014-07-25 02:47  DotSpatialMapinDotSpatial.Modeling.Forms.dll

     文件     243200  2014-07-25 02:47  DotSpatialMapinDotSpatial.Modeling.Forms.pdb

     文件     106615  2014-07-25 02:47  DotSpatialMapinDotSpatial.Modeling.Forms.xml

     文件       4608  2014-07-25 02:47  DotSpatialMapinDotSpatial.Mono.dll

     文件      11776  2014-07-25 02:47  DotSpatialMapinDotSpatial.Mono.pdb

     文件        140  2014-07-25 02:47  DotSpatialMapinDotSpatial.Mono.xml

     文件   19782656  2014-07-25 02:47  DotSpatialMapinDotSpatial.Projections.dll

     文件     101376  2014-07-25 02:47  DotSpatialMapinDotSpatial.Projections.Forms.dll

     文件      62976  2014-07-25 02:47  DotSpatialMapinDotSpatial.Projections.Forms.pdb

     文件      15553  2014-07-25 02:47  DotSpatialMapinDotSpatial.Projections.Forms.xml

     文件     744960  2014-07-25 02:47  DotSpatialMapinDotSpatial.Projections.pdb

     文件     273370  2014-07-25 02:47  DotSpatialMapinDotSpatial.Projections.xml

............此处省略116个文件信息

版权声明:本文内容由互联网用户自发贡献,该文观点仅代表作者本人。本站仅提供信息存储空间服务,不拥有所有权,不承担相关法律责任。如发现本站有涉嫌抄袭侵权/违法违规的内容, 请发送邮件举报,一经查实,本站将立刻删除。

发表评论

评论列表(条)