/*公共渲染接口/函数
*
*/
/// <summary>
/// 层渲染函数
/// </summary>
/// <param name="layer">特征层</param>
/// <param name="symbol">渲染符号</param>
public void RendLayer(ref ILayer layer, ISymbol symbol)
{
IGeoFeatureLayer pGeoFeatureL = null;
if (layer == null)
{
return;
}
else
{
pGeoFeatureL = layer as IGeoFeatureLayer;
}
ISimpleRenderer pSimpleRenderer = new SimpleRendererClass();
if (symbol == null)
{
pSimpleRenderer.Symbol = SymbolWorker.CreateSimpleLineSymbol() as ISymbol;
}
else
{
pSimpleRenderer.Symbol = symbol;
}
pSimpleRenderer.Description = "USA";
pSimpleRenderer.Label = "SimpleRenderer";
ITransparencyRenderer pTransRenderer = pSimpleRenderer as ITransparencyRenderer;
pTransRenderer.TransparencyField = "POP1999";
pGeoFeatureL.Renderer = pTransRenderer as IFeatureRenderer;
}
//*********************************************************************************
//** 函 数 名：FunReadTrans
//** 输 入：
//** 输 出：
//** 功能描述：读取透明填充Render
//** 全局变量：
//** 调用模块：
//*********************************************************************************
private void FunReadTrans()
{
IFeatureRenderer pRenderer;
IGeoFeatureLayer pGeoFeatureLayer;
pGeoFeatureLayer = (IGeoFeatureLayer)m_FeatureLayer;
pRenderer = pGeoFeatureLayer.Renderer;
m_TransparencyRenderer = (ITransparencyRenderer)pRenderer;
if (m_TransparencyRenderer != null)
{
if (m_TransparencyRenderer.TransparencyField != "")
{
this.CmbField.Text = m_TransparencyRenderer.TransparencyField;
}
else
{
this.CmbField.Text = "<无>";
}
}
}
