//制作满足条件国家的人口密度专题图，并显示国家标签
private void commit_Click(object sender, RoutedEventArgs e)
{
//标签专题图
ThemeLabel label = new ThemeLabel()
{
Caption = "标签专题图",
Expression = "Country",
Display = new ServerTextStyle()
{
FontHeight = 10,
FontWidth = 0,
Color = new ServerColor(0, 0, 0),
FontName = "微软雅黑"
},
Filter = "SmID > 220",
};
ThemeDotDensity dotDensity = new ThemeDotDensity()
{
Caption = "点密度专题图",
Expression = "Pop_1994",
DotStyle = new ServerStyle()
{
SymbolSize = 20,
SymbolStyle = 1,
},
DotValue = 11281396.89000,
Filter = "SmID > 220",
};
CompositeParam composite = new CompositeParam()
{
ThemeLayer = "World@world",
Themes = new List<Theme> { label, dotDensity },
};
CompositeThemeParameters parameters = new CompositeThemeParameters()
{
LayerNames = layerNames,
MapName = "World",
ParamList = new List<CompositeParam>(){composite},
};
//与服务器交互
CompositeThemeService service = new CompositeThemeService("http://localhost/IS/AjaxDemo");
service.ProcessAsync(parameters);
service.Failed += new EventHandler<ServiceFailedEventArgs>(service_Failed);
service.ProcessCompleted += new EventHandler<ThemeEventArgs>(service_ProcessCompleted);
}
//移除专题图，即生成一个空的专题图
private void remove_Click(object sender, RoutedEventArgs e)
{
CompositeThemeParameters clearThemeParameters = new CompositeThemeParameters()
{
LayerNames = layerNames,
MapName = "World",
ParamList = null,
};
//与服务器交互
CompositeThemeService service = new CompositeThemeService("http://localhost/IS/AjaxDemo");
service.ProcessAsync(clearThemeParameters);
service.Failed += new EventHandler<ServiceFailedEventArgs>(service_Failed);
service.ProcessCompleted += new EventHandler<ThemeEventArgs>(service_ProcessCompleted);
}