private void button11_Click(object sender, EventArgs e)
{
layer = GISMyFile.ReadFile(@"D:\mygisfile\mygisfile.jkgeo");
MessageBox.Show("read " + layer.FeatureCount() + " objects.");
view.UpdateExtent(layer.Extent);
UpdateMap();
}
private void button1_Click(object sender, EventArgs e)
{
GISShapefile sf = new GISShapefile();
layer = sf.ReadShapefile(@"D:\课程\大三上\地理信息系统底层开发\data\china_cities_gdf_prj.shp");
layer.DrawAttributeOrNot = false;
MessageBox.Show("read " + layer.FeatureCount() + " point objects");
}
public Form2(GISLayer layer)
{
InitializeComponent();
for (int i = 0; i < layer.Fields.Count; i++) //添加一系列的列
{
dataGridView1.Columns.Add(layer.Fields[i].name, layer.Fields[i].name);
}
for (int i = 0; i < layer.FeatureCount(); i++)
{
dataGridView1.Rows.Add();
for (int j = 0; j < layer.Fields.Count; j++)
{
dataGridView1.Rows[i].Cells[j].Value = layer.GetFeature(i).getAttribute(j);
}
}
}
private void button1_Click(object sender, EventArgs e)
{
OpenFileDialog openFileDialog = new OpenFileDialog();
openFileDialog.Filter = "Shapefile文件|*.shp";
openFileDialog.RestoreDirectory = true;
openFileDialog.FilterIndex = 1;
openFileDialog.Multiselect = false;
if (openFileDialog.ShowDialog() != DialogResult.OK)
{
return;
}
layer = GISShapefile.ReadShapefile(openFileDialog.FileName);
layer.DrawAttributeOrNot = false;
MessageBox.Show("read " + layer.FeatureCount() + "objects");
view.UpdateExtent(layer.Extent);
UpdateMap();
}
private void FillValue()//初始化DataGridView的部分移动到了此函数中
{
//增加ID列
dataGridView1.Columns.Add("ID", "ID");
//增加其他列 用以记录所有字段
for (int i = 0; i < Layer.Fields.Count; i++)
{
dataGridView1.Columns.Add(Layer.Fields[i].name, Layer.Fields[i].name);
}
//增加行
for (int i = 0; i < Layer.FeatureCount(); i++)
{
dataGridView1.Rows.Add();
//增加ID值
dataGridView1.Rows[i].Cells[0].Value = Layer.GetFeature(i).ID;
//增加其他属性值
for (int j = 0; j < Layer.Fields.Count; j++)
{
dataGridView1.Rows[i].Cells[j + 1].Value = Layer.GetFeature(i).getAttribute(j);
}
//确定每行的选择状态
dataGridView1.Rows[i].Selected = Layer.GetFeature(i).Selected;
}
}