${IS6_ThemeDotDensity_Title}
${IS6_ThemeDotDensity_Description}
${IS6_ThemeDotDensity_Description_1}
internal static string ToJson(ThemeDotDensity param)
{
if (param == null)
{
return null;
}
string json = "{";
List<string> list = new List<string>();
if (param.DotStyle != null)
{
list.Add(string.Format("\"dotStyle\":{0}", ServerStyle.ToJson(param.DotStyle)));
}
list.Add(string.Format("\"dotValue\":{0}", param.DotValue));
if (!string.IsNullOrEmpty(param.Expression))
{
list.Add(string.Format("\"expression\":\"{0}\"", param.Expression));
}
json += string.Join(",", list.ToArray());
json += ",";
json += Theme.AddList(param);
json += "}";
return json;
}
//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);
}
//点密度专题图
private void commit_Click(object sender, RoutedEventArgs e)
{
//如果字段表达式为空则用下拉列表中选择字段来制作单值专题图
string str;
if (!string.IsNullOrEmpty(filterField.Text) && !(filterField.Text == ""))
{
str = filterField.Text;
}
else
{
str = setField.SelectedItem.ToString();
}
ThemeDotDensity dotDensity = new ThemeDotDensity()
{
Caption = "点密度专题图",
Expression = str,
DotStyle = new ServerStyle()
{
SymbolSize = 20,
SymbolStyle = 1,
},
DotValue = Convert.ToDouble(baseValue.Text)
};
ThemeParameters parameters = new ThemeParameters()
{
MapName = "World",
Theme = dotDensity,
LayerNames = layerNames,
ThemeLayer = "World@world"
};
//与服务器交互
ThemeService service = new ThemeService("http://localhost/IS/AjaxDemo");
service.ProcessAsync(parameters);
service.Failed += new EventHandler<ServiceFailedEventArgs>(service_Failed);
service.ProcessCompleted += new EventHandler<ThemeEventArgs>(service_ProcessCompleted);
}