${REST_ThemeLabel_Title}
${REST_ThemeLabel_Description}
internal static ThemeLabel FromJson(JsonObject json)
{
if (json == null) return null;
ThemeLabel themeLabel = new ThemeLabel();
ThemeLabelAlongLine alongLine = new ThemeLabelAlongLine();
if (json["alongLineDirection"] != null)
{
alongLine.AlongLineDirection = (AlongLineDirection)Enum.Parse(typeof(AlongLineDirection), json["alongLineDirection"].GetStringEx(), true);
}
else
{
//不处理null的情况
}
alongLine.AngleFixed = json["angleFixed"].GetBooleanEx();
alongLine.IsAlongLine = json["alongLine"].GetBooleanEx();
alongLine.LabelRepeatInterval = json["labelRepeatInterval"].GetNumberEx();
alongLine.RepeatedLabelAvoided = json["repeatedLabelAvoided"].GetBooleanEx();
alongLine.RepeatIntervalFixed = json["repeatIntervalFixed"].GetBooleanEx();
themeLabel.AlongLine = alongLine;
ThemeLabelBackSetting backSetting = new ThemeLabelBackSetting();
if (json["backStyle"] != null)
{
backSetting.BackStyle = ServerStyle.FromJson(json["backStyle"].GetObjectEx());
}
if (json["labelBackShape"] != null)
{
backSetting.LabelBackShape = (LabelBackShape)Enum.Parse(typeof(LabelBackShape), json["labelBackShape"].GetStringEx(), true);
}
else
{
//不处理null的情况
}
themeLabel.BackSetting = backSetting;
ThemeFlow flow = new ThemeFlow();
flow.FlowEnabled = json["flowEnabled"].GetBooleanEx();
flow.LeaderLineDisplayed = json["leaderLineDisplayed"].GetBooleanEx();
if (json["leaderLineStyle"] != null)
{
flow.LeaderLineStyle = ServerStyle.FromJson(json["leaderLineStyle"].GetObjectEx());
}
themeLabel.Flow = flow;
List<ThemeLabelItem> items = new List<ThemeLabelItem>();
if (json["items"].ValueType != JsonValueType.Null && json["items"].GetArray().Count > 0)
{
for (int i = 0; i < json["items"].GetArray().Count; i++)
{
items.Add(ThemeLabelItem.FromJson(json["items"].GetArray()[i].GetObjectEx()));
}
}
themeLabel.Items = items;
themeLabel.LabelExpression = json["labelExpression"].GetStringEx();
if (json["labelOverLengthMode"].ValueType != JsonValueType.Null)
{
themeLabel.LabelOverLengthMode = (LabelOverLengthMode)Enum.Parse(typeof(LabelOverLengthMode), json["labelOverLengthMode"].GetStringEx(), true);
}
else
{
//不处理null的情况
}
//themeLabel.MatrixCells
if (json["matrixCells"].ValueType != JsonValueType.Null)
{
int rowCount = (json["matrixCells"].GetArray()).Count;
int columnCount = ((json["matrixCells"].GetArray())[0].GetArray()).Count;
LabelMatrixCell[,] matrixCells = new LabelMatrixCell[columnCount, rowCount];
for (int column = 0; column < (json["matrixCells"].GetArray()).Count; column++)
{
JsonArray cells = (json["matrixCells"].GetArray())[column].GetArray();
for (int row = 0; row < cells.Count; row++)
{
if (cells[row].GetObjectEx().ContainsKey("height") && cells[row].GetObjectEx().ContainsKey("pathField") && cells[row].GetObjectEx().ContainsKey("rotation") && cells[row].GetObjectEx().ContainsKey("sizeFixed") && cells[row].GetObjectEx().ContainsKey("width"))
{
matrixCells[row, column] = (LabelImageCell.FromJson(cells[row].GetObjectEx()));
}
else if (cells[row].GetObjectEx().ContainsKey("style") && cells[row].GetObjectEx().ContainsKey("symbolIDField"))
{
matrixCells[row, column] = (LabelSymbolCell.FromJson(cells[row].GetObjectEx()));
}
else if (cells[row].GetObjectEx().ContainsKey("themeLabel"))
{
matrixCells[row, column] = (LabelThemeCell.FromJson(cells[row].GetObjectEx()["themeLabel"].GetObjectEx()));
}
}
}
themeLabel.MatrixCells = matrixCells;
}
themeLabel.MaxLabelLength = (int)json["maxLabelLength"].GetNumberEx();
themeLabel.NumericPrecision = (int)json["numericPrecision"].GetNumberEx();
themeLabel.Offset = ThemeOffset.FromJson(json);
themeLabel.OverlapAvoided = json["overlapAvoided"].GetBooleanEx();
themeLabel.RangeExpression = json["rangeExpression"].GetStringEx();
themeLabel.SmallGeometryLabeled = json["smallGeometryLabeled"].GetBooleanEx();
themeLabel.Text = ThemeLabelText.FromJson(json);
return themeLabel;
}
//点击生成专题图触发事件
private async void commit_Click(object sender, RoutedEventArgs e)
{
ThemeLabel labelTheme = new ThemeLabel
{
BackSetting = new ThemeLabelBackSetting
{
BackStyle = new ServerStyle
{
FillForeColor = new Color
{
R = 124,
G = 193,
B = 225
},
LineWidth = 0.1,
MarkerSize = 1,
},
},
Flow = new ThemeFlow
{
FlowEnabled = true,
LeaderLineDisplayed = false,
},
LabelExpression = "Capital",
LabelOverLengthMode = LabelOverLengthMode.NONE,
Offset = new ThemeOffset
{
OffsetX = "0.1",
OffsetY = "0.1",
OffsetFixed = false,
},
Text = new ThemeLabelText
{
UniformStyle = new ServerTextStyle
{
Align = SuperMap.WinRT.REST.TextAlignment.MIDDLECENTER,
FontHeight = 4,
FontWidth = 0,
FontWeight = 10,
}
},
};
//专题图参数设置
ThemeParameters themeLabelParam = new ThemeParameters
{
//数据集名称
DatasetName = "Countries",
//数据源名称
DataSourceName = "World",
Themes = new List<Theme> { labelTheme }
};
//与服务器交互
try
{
ThemeService themeLableService = new ThemeService(url);
var result = await themeLableService.ProcessAsync(themeLabelParam);
//显示专题图。专题图在服务端为一个资源，每个资源都有一个 ID 号和一个 url
//要显示专题图即将资源结果的 ID 号赋值给图层的 layersID 属性即可
themeLayer.LayersID = result.ResourceInfo.NewResourceID;
if (!this.MyMap.Layers.Contains(themeLayer))
{
//加载专题图图层
this.MyMap.Layers.Add(themeLayer);
}
if (!themeLayer.IsVisible)
{
themeLayer.IsVisible = true;
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
internal static string ToJson(ThemeLabel themeLabel)
{
string json = "{";
List<string> list = new List<string>();
if (themeLabel.AlongLine != null)
{
list.Add(ThemeLabelAlongLine.ToJson(themeLabel.AlongLine));
}
else
{
list.Add(string.Format("\"alongLineDirection\":\"{0}\"", AlongLineDirection.ALONG_LINE_NORMAL));
list.Add("\"labelRepeatInterval\":0.0");
}
if (themeLabel.BackSetting != null)
{
list.Add(ThemeLabelBackSetting.ToJson(themeLabel.BackSetting));
}
else
{
list.Add(string.Format("\"backStyle\":{0}", ServerStyle.ToJson(new ServerStyle())));
list.Add("\"labelBackShape\":\"ROUNDRECT\"");
}
if (themeLabel.Flow != null)
{
list.Add(ThemeFlow.ToJson(themeLabel.Flow));
}
else
{
list.Add(string.Format("\"leaderLineStyle\":{0}", ServerStyle.ToJson(new ServerStyle())));
}
if (themeLabel.Items != null && themeLabel.Items.Count > 1)
{
List<string> itemList = new List<string>();
foreach (var item in themeLabel.Items)
{
itemList.Add(ThemeLabelItem.ToJson(item));
}
list.Add(string.Format("\"items\":[{0}]", string.Join(",", itemList.ToArray())));
}
else
{
list.Add("\"items\":[]");
}
if (!string.IsNullOrEmpty(themeLabel.LabelExpression))
{
list.Add(string.Format("\"labelExpression\":\"{0}\"", themeLabel.LabelExpression));
}
else
{
list.Add("\"labelExpression\":\"\"");
}
list.Add(string.Format("\"labelOverLengthMode\":\"{0}\"", themeLabel.LabelOverLengthMode));
list.Add(string.Format("\"maxLabelLength\":{0}", themeLabel.MaxLabelLength.ToString()));
list.Add(string.Format("\"numericPrecision\":{0}", themeLabel.NumericPrecision.ToString()));
if (themeLabel.Offset != null)
{
list.Add(ThemeOffset.ToJson(themeLabel.Offset));
}
else
{
list.Add("\"offsetX\":\"\"");
list.Add("\"offsetY\":\"\"");
}
list.Add(string.Format("\"overlapAvoided\":{0}", themeLabel.OverlapAvoided.ToString().ToLower()));
if (!string.IsNullOrEmpty(themeLabel.RangeExpression))
{
list.Add(string.Format("\"rangeExpression\":\"{0}\"", themeLabel.RangeExpression));
}
else
{
list.Add("\"rangeExpression\":\"\"");
}
list.Add(string.Format("\"smallGeometryLabeled\":{0}", themeLabel.SmallGeometryLabeled.ToString().ToLower()));
if (themeLabel.Text != null)
{
list.Add(ThemeLabelText.ToJson(themeLabel.Text));
}
else
{
list.Add("\"minTextHeight\":0");
list.Add("\"maxTextWidth\":0");
list.Add("\"minTextWidth\":0");
list.Add("\"maxTextHeight\":0");
list.Add(string.Format("\"uniformStyle\":{0}", ServerTextStyle.ToJson(new ServerTextStyle())));
list.Add("\"uniformMixedStyle\":null");
}
if (themeLabel.MatrixCells != null)
{
List<string> cellList = new List<string>();
for (int column = 0; column < themeLabel.MatrixCells.GetLength(1); column++) //列
{
List<string> columnList = new List<string>();
for (int row = 0; row < themeLabel.MatrixCells.GetLength(0); row++) //行
{
if (themeLabel.MatrixCells[row, column] is LabelImageCell)
{
columnList.Add(LabelImageCell.ToJson((LabelImageCell)themeLabel.MatrixCells[row, column]));
}
else if (themeLabel.MatrixCells[row, column] is LabelSymbolCell)
{
columnList.Add(LabelSymbolCell.ToJson((LabelSymbolCell)themeLabel.MatrixCells[row, column]));
}
else if (themeLabel.MatrixCells[row, column] is LabelThemeCell)
{
columnList.Add(LabelThemeCell.ToJson((LabelThemeCell)themeLabel.MatrixCells[row, column]));
}
}
cellList.Add(string.Format("[{0}]", string.Join(",", columnList.ToArray())));
}
list.Add(string.Format("\"matrixCells\":[{0}]", string.Join(",", cellList.ToArray())));
}
else
{
list.Add("\"matrixCells\":null");
}
if (themeLabel.MemoryData != null)
{
list.Add("\"memoryData\":" + themeLabel.ToJson(themeLabel.MemoryData));
}
else
{
list.Add("\"memoryData\":null");
}
list.Add("\"type\":\"LABEL\"");
json += string.Join(",", list.ToArray());
json += "}";
return json;
}
