/// <summary>
/// 添加分段标签专题图层
/// Add the theme of label range
/// </summary>
public void AddThemeLabelLayer()
{
m_pointDataset = m_workspace.Datasources[0].Datasets["BaseMap_P"] as DatasetVector;
// 初始化构建子项对象属性的数组
// Initialize the array of property
if (SuperMap.Data.Environment.CurrentCulture != "zh-CN")
{
m_itemNames = new String[4] {
"First class city", "Second class city", "Third class city", "Fourth class city"
};
}
else
{
m_itemNames = new String[4] {
"第一等级城市", "第二等级城市", "第三等级城市", "第四等级城市"
};
}
m_itemForeColors = new Color[4] {
Color.Red, Color.Green, Color.Black, Color.Blue
};
m_itemBackColors = new Color[4] {
Color.FromArgb(255, 235, 189), Color.YellowGreen, Color.White, Color.LightGray
};
try
{
// 创建分段标签专题图层，设置标签表达式和分段表达式
//Create the theme of label range, set the label expression and range expression
ThemeLabel themeLabel = new ThemeLabel();
if (SuperMap.Data.Environment.CurrentCulture != "zh-CN")
{
themeLabel.LabelExpression = "name_en";
}
else
{
themeLabel.LabelExpression = "name";
}
themeLabel.RangeExpression = "ADCLASS";
for (Int32 i = 0; i < m_itemNames.Length; i++)
{
// 通过内部方法构建子项，并添加到标签专题图
// Create items and add them into the theme
themeLabel.AddToTail(AddItemToThemeLabel(i));
}
// 添加专题图层到地图
// Add the theme layer into the map
Layer layer = m_mapControl.Map.Layers.Add(m_pointDataset, themeLabel, true);
m_themeLayerName = layer.Name;
}
catch (Exception ex)
{
Trace.WriteLine(ex.Message);
}
}
private void UiSettingsShow()
{
ThemeLabel.Show();
ForestButton.Show();
DesertButton.Show();
MountainsButton.Show();
CityButton.Show();
SunsetButton.Show();
mDivider1.Show();
LanguageLabel.Show();
RussianButton.Show();
EnglishButton.Show();
}
/// <summary>
/// 设置专题图的属性，添加专题图图层到地图
/// Set the property of the theme and add the theme to the map
/// </summary>
public void AddUniformStyleThemeLabelLayer()
{
try
{
ThemeLabel themeLabel = new ThemeLabel();
TextStyle textStyle = new TextStyle();
textStyle.ForeColor = Color.FromArgb(115, 0, 74);
textStyle.BackColor = Color.FromArgb(231, 227, 231);
textStyle.Bold = true;
textStyle.Outline = true;
textStyle.FontHeight = 8;
if (SuperMap.Data.Environment.CurrentCulture == "zh-CN")
{
themeLabel.LabelExpression = "Name";
}
else
{
themeLabel.LabelExpression = "Name_en";
}
// 设置统一风格
// Set the UniformStyle value
themeLabel.UniformStyle = textStyle;
// 将制作好的专题图添加到地图中显示
// Display the theme layer in the map
Layer themeLayer = m_mapControl.Map.Layers.Add(m_dataset, themeLabel, true);
m_themeLayerName = themeLayer.Name;
m_mapControl.Map.Refresh();
}
catch (Exception ex)
{
Trace.WriteLine(ex.Message);
}
}
