/// <summary>
/// 文字图层
/// </summary>
/// <param name="text">显示的文字</param>
private void TextTitle(string text)
{
if (layerScreenText != null)
{
//清除其中所有要素
layerScreenText.RemoveAllFeature();
GSOGeoScreenText overlayTextTitle = new GSOGeoScreenText(); //创建屏幕文字
GSOTextStyle textStyle = new GSOTextStyle(); //设置属性
textStyle.ForeColor = Color.White;
textStyle.FontSize = 36;
overlayTextTitle.TextStyle = textStyle;
overlayTextTitle.Align = EnumAlign.TopLeft; //设置文字对齐方式
overlayTextTitle.PosAlign = EnumAlign.BottomRight; //设置文字位置
overlayTextTitle.Name = "ScreenTextTitle";
overlayTextTitle.SetOffset(180, 60); //设置文字偏移量
overlayTextTitle.Text = text; //设置文字
GSOFeature feature_ScreenTextTitle = new GSOFeature(); //创建要素
feature_ScreenTextTitle.Geometry = overlayTextTitle; //赋予要素
layerScreenText.AddFeature(feature_ScreenTextTitle);
layerScreenText.Save();
}
}
/// <summary>
/// 跟随鼠标图层
/// </summary>
/// <param name="text">显示文字</param>
private void SetScreenText(string text)
{
//如果要素存在就删除
if (feature_ScreenText != null)
{
feature_ScreenText.Delete();
}
if (text != "" && layerScreenText != null)
{
overlayText = new GSOGeoScreenText(); //创建对象
GSOTextStyle textStyle = new GSOTextStyle(); //创建样式
textStyle.ForeColor = Color.White; //字体颜色
textStyle.FontSize = 9; //字体大小
overlayText.TextStyle = textStyle; //赋予字体样式
overlayText.Align = EnumAlign.TopLeft; //字体对其方式
overlayText.Name = "ScreenText"; //字体对象名称
overlayText.SetOffset(20, 0); //字体偏移量
overlayText.Text = text; //显示文字
feature_ScreenText = new GSOFeature(); //创建要素
feature_ScreenText.Geometry = overlayText; //赋予要素
layerScreenText.AddFeature(feature_ScreenText); //添加要素到图层
}
}
