internal static string ToJson(ThemeGraphItem themeGraphItem)
{
if (themeGraphItem == null)
{
return null;
}
string json = "{";
List<string> list = new List<string>();
if (themeGraphItem.GraphExpression != null)
{
list.Add(string.Format("\"graphExpression\":\"{0}\"", themeGraphItem.GraphExpression));
}
if (themeGraphItem.UniformStyle != null)
{
list.Add(string.Format("\"uniformStyle\":{0}", ServerStyle.ToJson(themeGraphItem.UniformStyle)));
}
if (themeGraphItem.Caption != null)
{
list.Add(string.Format("\"caption\":\"{0}\"", themeGraphItem.Caption));
}
if (themeGraphItem.RangeSetting != null)
{
list.Add(string.Format("\"rangeSetting\":\"{0}\"", ThemeRange.ToJson(themeGraphItem.RangeSetting)));
}
json += string.Join(",", list.ToArray());
json += "}";
return json;
}
/// <summary>${iServer2_ThemeGraphItem_method_FromJson_D}</summary>
/// <returns>${iServer2_ThemeGraphItem_method_FromJson_return}</returns>
/// <param name="jsonObject">${iServer2_ThemeGraphItem_method_FromJson_param_jsonObject}</param>
public static ThemeGraphItem FromJson(JsonObject jsonObject)
{
if (jsonObject == null)
{
return null;
}
ThemeGraphItem result = new ThemeGraphItem();
result.Caption = (string)jsonObject["caption"];
result.GraphExpression = (string)jsonObject["graphExpression"];
result.UniformStyle = ServerStyle.FromJson((JsonObject)jsonObject["uniformStyle"]);
result.RangeSetting = ThemeRange.FromJson((JsonObject)jsonObject["rangeSetting"]);
return result;
}
//制作统计专题图
private void commit_Click(object sender, RoutedEventArgs e)
{
//设置了二个子项
ThemeGraphItem item1 = new ThemeGraphItem()
{
Caption = "面积",
GraphExpression = "SmArea",
UniformStyle = new ServerStyle() { FillForeColor = new ServerColor(255, 209, 173) },
};
ThemeGraphItem item2 = new ThemeGraphItem()
{
Caption = "人口",
GraphExpression = "Pop_1994",
UniformStyle = new ServerStyle() { FillForeColor = new ServerColor(233, 150, 127) },
};
SuperMap.Web.iServerJava2.ThemeGraph themeGraph = new SuperMap.Web.iServerJava2.ThemeGraph()
{
Items = new List<ThemeGraphItem>() { item1, item2 },
AxesColor = new ServerColor(255, 0, 0),
GraduatedMode = GraduatedMode.Constant,
GraphTextFormat = GraphTextFormat.Caption,
GraphType = GraphType.Bar3D,
IsGraphTextDisplayed = true,
IsFlowEnabled = false,
IsLeaderLineDisplayed = true,
LeaderLineStyle = new ServerStyle
{
LineColor = new ServerColor { Red = 0, Green = 255, Blue = 0 }
},
};
ThemeParameters parameters = new ThemeParameters()
{
LayerName = "World@world",
MapName = "World",
Theme = themeGraph,
};
//与服务器交互
ThemeService themeService = new ThemeService(url) { DisableClientCaching = true };
themeService.ProcessAsync(parameters);
themeService.ProcessCompleted += new EventHandler<ThemeEventArgs>(themeService_ProcessCompleted);
themeService.Failed += new EventHandler<ServiceFailedEventArgs>(themeService_Failed);
}
