private void mapCtl_Station_Tracked(object sender, TrackedEventArgs e)
{
if (mapCtl_Station.Action == Action.CreatePolyline)
{
XtraMessageBox.Show(string.Format("量算距离为：{0:.00}米", e.Length), "距离量算");
}
else if (mapCtl_Station.Action == Action.CreatePolygon)
{
XtraMessageBox.Show(string.Format("量算距离为：{0:.00}平方米", e.Area), "面积量算");
}
}
/// <summary>
//跟踪层绘制事件，用于添加文本对象---绘制完几何对象后，判断 是否要继续绘制文本 或者 绘制沿线文本
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void m_mapControl_Tracked(Object sender, TrackedEventArgs e)
{
try
{
//绘制文本
if (mMapControl.Action.Equals(SuperMap.UI.Action.CreateText)) //若 地图操作状态为添加注记
{
GeoText geoText = e.Geometry as GeoText; //获取刚刚绘制完成的几何图形 转为 GeoText文本类
geoText.TextStyle.ForeColor = Color.Green; //设置文本风格--前景色
geoText.TextStyle.FontHeight = 32; //文本字体的高度为32
if (mTextLayer.IsEditable) //若 文本类图层 可编辑
{
String text = Microsoft.VisualBasic.Interaction.InputBox("请输入文本", "绘制文本", "", mMapControl.Size.Width / 2 - 150, mMapControl.Size.Height / 2);
// public static string InputBox(string Prompt, string Title = "", string DefaultResponse = "", int XPos = -1, int YPos = -1);
geoText[0].Text = text;//文本内容赋值
}
}
//绘制沿线文本
if (mMapControl.Action == SuperMap.UI.Action.CreateAlongLineText) //若 地图操作状态为添加沿线标注
{
GeoCompound geoCompound = e.Geometry as GeoCompound; //转为 复合几何对象类
if (mTextLayer.IsEditable) //若 文本类图层 可编辑
{
String text = Microsoft.VisualBasic.Interaction.InputBox("请输入沿线文本", "绘制沿线文本", "", mMapControl.Size.Width / 2 - 150, mMapControl.Size.Height / 2);
GeoText geoText = geoCompound[0] as GeoText;
geoText.TextStyle.ForeColor = Color.Green;
geoText.TextStyle.FontHeight = 32;
geoText[0].Text = text;
}
}
mMapControl.Map.Refresh();//重新绘制当前地图
}
catch (Exception ex)
{
Trace.WriteLine(ex.Message);
}
}
private void TrackedHandler(object sender, TrackedEventArgs e)
{
try
{
switch (m_myAction)
{
case MeasureAction.Distance:
{
String totalLength = String.Format("{0}{1}{2}", m_length, Math.Round(Convert.ToDecimal(e.Length), 2), m_meter);
m_textBoxResult.Text = totalLength;
}
break;
case MeasureAction.Area:
{
String totalArea = String.Format("{0}{1}{2}", m_area, Math.Round(Convert.ToDecimal(e.Area), 2), m_squareMeter);
m_textBoxResult.Text = totalArea;
}
break;
case MeasureAction.Angle:
{
String currentAzimuth = String.Format("{0}{1}{2}", m_azimuth, Math.Round(Convert.ToDecimal(e.Azimuth), 2), m_degree);
String currentAngle = String.Format("{0}{1}{2}", m_angle, Math.Round(Convert.ToDecimal(e.Angle), 2), m_degree);
m_textBoxResult.Text = currentAzimuth + ", " + currentAngle;
}
break;
default:
break;
}
}
catch (Exception ex)
{
Trace.WriteLine(ex.Message);
}
}
private void mapCtl_Station_Tracked(object sender, TrackedEventArgs e)
{
if(mapCtl_Station.Action==Action.CreatePolyline)
{
XtraMessageBox.Show(string.Format("量算距离为：{0:.00}米", e.Length), "距离量算");
}
else if(mapCtl_Station.Action==Action.CreatePolygon)
{
XtraMessageBox.Show(string.Format("量算距离为：{0:.00}平方米", e.Area), "面积量算");
}
}
