public void RemoveFeaure(MLFeature feature)
{
//更新要素列表
for (int i = 0; i != features.Count; ++i)
{
if (feature.ID == features[i].ID)
{
RemoveFeaure(i);
return;
}
}
}
/// <summary>
/// 向要素类中添加要素
/// </summary>
/// <param name="curFea">要素</param>
/// <param name="values">要素对应的属性信息</param>
public void AddFeaure(MLFeature curFea, object[] values = null)
{
//更新要素列表
features.Add(curFea);
//更新mbr
if (mbr != null)//features已经存在
{
mbr[0] = Math.Min(mbr[0], curFea.XMin);
mbr[1] = Math.Max(mbr[1], curFea.XMax);
mbr[2] = Math.Min(mbr[2], curFea.YMin);
mbr[3] = Math.Max(mbr[3], curFea.YMax);
}
else//add第一个feature时
{
mbr = new double[4];
mbr[0] = curFea.XMin;
mbr[1] = curFea.XMax;
mbr[2] = curFea.YMin;
mbr[3] = curFea.YMax;
}
//更新属性表
attributeData.BeginLoadData();
if (values != null)
{
object[] curValues = new object[values.Length - 1];
curValues[0] = values[0];
curValues[1] = featureType;
Array.Copy(values, 3, curValues, 2, values.Length - 3);
attributeData.LoadDataRow(curValues, true);
}
else
{
object[] curValues = new object[attributeData.Columns.Count];
curValues[0] = (uint)attributeData.Rows.Count;
curValues[1] = featureType;
attributeData.LoadDataRow(curValues, true);
}
attributeData.EndLoadData();
}
private void mlMap_TrackingFinished(object sender, MLFeature feature) //追踪结束的事件，由MLMap里双击事件触发
{
dataFrame.layers[dataFrame.index].featureClass.AddFeaure(feature); //将新的要素添加到要素类中
mlMap.Refresh();
}
