private void button1_Click(object sender, EventArgs e)
{
double x = Convert.ToDouble(textBox1.Text);
double y = Convert.ToDouble(textBox2.Text);
GISVertex onevertex = new GISVertex(x, y);
GISPoint onepoint = new GISPoint(onevertex);
//获取属性信息
string attribute = textBox3.Text;
GISAttribute oneattribute = new GISAttribute();
oneattribute.AddValue(attribute);
//新建一个GISFeature 并添加到features数组中
GISFeature onefeature = new GISFeature(onepoint, oneattribute);
features.Add(onefeature);
//画出这个GISFeature
Graphics graphics = this.CreateGraphics();
onefeature.draw(graphics, true, 0);
//参数分别是画笔 是否绘制属性 属性列表values的索引
}
private void button4_Click(object sender, EventArgs e)
{
//获取属性信息
string attribute = textBox3.Text;
GISAttribute oneattribute = new GISAttribute();
oneattribute.AddValue(attribute);
GISLine oneline = new GISLine(linevertexes); //创建line作为空间对象找到endnode作为属性绘制的位置
Graphics graphics = this.CreateGraphics();
oneattribute.draw(graphics, oneline.endNode(), 0);
}
private void button5_Click(object sender, EventArgs e)
{
//获取属性信息
string attribute = textBox3.Text;
GISAttribute oneattribute = new GISAttribute();
oneattribute.AddValue(attribute);
GISPolygon onepoly = new GISPolygon(polyvertexes);
Graphics graphics = this.CreateGraphics();
oneattribute.draw(graphics, onepoly.endNode(), 0);
}
public GISAttribute attributepart; //空间与属性信息
public GISFeature(GISSpatial spatial, GISAttribute attribute) //构造函数传入空间与属性信息
{
spatialpart = spatial;
attributepart = attribute;
}