//执行山体阴影操作
public void Init()
{
//遍历子节点读取参数
foreach (XmlNode xnl1 in m_xmlnode.ChildNodes)
{
if (xnl1 is XmlComment)
{
continue;
}
XmlElement xe = (XmlElement)xnl1;
//找到Azimuth节点，读取其参数
if (xe.Name == "Azimuth")
{
m_azimuth = double.Parse(xe.InnerText);
}
//找到ZFactor节点，读取其参数
if (xe.Name == "ZFactor")
{
m_zfactor = double.Parse(xe.InnerText);
}
}
//山体阴影的实现
try
{
//将m_raster转为IRaster接口实行栅格相关操作
IRaster2 raster2 = m_raster as IRaster2;
//使用IHillshadeFunctionArguments接口进行山体阴影操作
IHillshadeFunctionArguments hillshadeFunctionArugments = (IHillshadeFunctionArguments) new HillshadeFunctionArguments();
//设置生成山体阴影所需要的参数Azimuth和ZFactor的值
hillshadeFunctionArugments.Azimuth = m_azimuth;
hillshadeFunctionArugments.ZFactor = m_zfactor;
//设置数据源为该raster
hillshadeFunctionArugments.DEM = raster2;
//创建一个IRasterFunction
IRasterFunction rasterFunction = new HillshadeFunction();
//创建IFunctionRasterDataset以调用Init方法执行函数
IFunctionRasterDataset functionRasterDataset = new FunctionRasterDataset();
//设置IFunctionRasterDataset的相关参数
IFunctionRasterDatasetName functionRasterDatasetName = (IFunctionRasterDatasetName) new FunctionRasterDatasetNameClass();
functionRasterDatasetName.FullName = @"D:\RDB";
functionRasterDataset.FullName = (IName)functionRasterDatasetName;
//调用Init执行
functionRasterDataset.Init(rasterFunction, hillshadeFunctionArugments);
//所得结果转为IRasterDataset
IRasterDataset rasData = functionRasterDataset as IRasterDataset;
//修改m_raster
m_raster = rasData.CreateDefaultRaster();
}
catch (System.Exception ex)//捕获异常，输出异常信息
{
MessageBox.Show(ex.Message, "错误", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
//执行山体阴影操作
public void Init()
{
//遍历子节点读取参数
foreach (XmlNode xnl1 in m_xmlnode.ChildNodes)
{
if (xnl1 is XmlComment)
{
continue;
}
XmlElement xe = (XmlElement)xnl1;
if (xe.Name == "Azimuth")
{
m_azimuth = double.Parse(xe.InnerText);
}
if (xe.Name == "ZFactor")
{
m_zfactor = double.Parse(xe.InnerText);
}
}
//山体阴影的实现
try
{
IRaster2 raster2 = m_raster as IRaster2;
IHillshadeFunctionArguments hillshadeFunctionArugments = (IHillshadeFunctionArguments) new HillshadeFunctionArguments();
hillshadeFunctionArugments.Azimuth = m_azimuth;
hillshadeFunctionArugments.ZFactor = m_zfactor;
hillshadeFunctionArugments.DEM = raster2;
IRasterFunction rasterFunction = new HillshadeFunction();
IFunctionRasterDataset functionRasterDataset = new FunctionRasterDataset();
IFunctionRasterDatasetName functionRasterDatasetName = (IFunctionRasterDatasetName) new FunctionRasterDatasetNameClass();
//随机生成文件名
//Random ran = new Random();
//int rannum = ran.Next(1000);
functionRasterDatasetName.FullName = @"D:\RDB";
functionRasterDataset.FullName = (IName)functionRasterDatasetName;
functionRasterDataset.Init(rasterFunction, hillshadeFunctionArugments);
IRasterDataset rasData = functionRasterDataset as IRasterDataset;
//修改m_raster
m_raster = rasData.CreateDefaultRaster();
}
catch (System.Exception ex)//捕获异常，输出异常信息
{
MessageBox.Show(ex.Message, "错误", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
