public void setThemeGraphBar3DVisible(Workspace workspaceN)
{
Workspace wp = workspaceN;
m_layerThemeGraphBar3D = null;
try
{
if (m_layerThemeGraphBar3D == null)
{
m_datasetVector = wp.Datasources[0].Datasets["盘锦行政区划"] as DatasetVector;
//构造统计专题图
ThemeGraph graphBar3D = new ThemeGraph();
//初始化子项，及子项的风格
GeoStyle geoStyle = new GeoStyle();
geoStyle.LineWidth = 0.1;
geoStyle.FillGradientMode = FillGradientMode.Linear;
ThemeGraphItem item0 = new ThemeGraphItem();
item0.GraphExpression = dilei + "00";
geoStyle.FillForeColor = Color.FromArgb(231, 154, 0);
item0.UniformStyle = geoStyle;
ThemeGraphItem item1 = new ThemeGraphItem();
item1.GraphExpression = dilei + "09";
geoStyle.FillForeColor = Color.FromArgb(70, 153, 255);
item1.UniformStyle = geoStyle;
//添加子项
graphBar3D.Add(item0);
graphBar3D.Add(item1);
//设置偏移量，和非固定偏移，即随图偏移
//graphBar3D.IsOffsetFixed = false;
//graphBar3D.OffsetY = "13000";
////设置非流动显示
//graphBar3D.IsFlowEnabled = false;
////设置非避让方式显示
//graphBar3D.IsOverlapAvoided = false;
////设置统计图显示的最大值和最小值,和非固定大小，即随图缩放
//graphBar3D.MaxGraphSize = 10000000.0000;
//graphBar3D.MinGraphSize = 0.0000;
////显示统计图文本，并设置文本显示模式
//graphBar3D.IsGraphTextDisplayed = true;
//graphBar3D.GraphTextFormat = ThemeGraphTextFormat.Value;
//设置统计图类型
graphBar3D.GraphType = ThemeGraphType.Bar3D;
TextStyle textStyle = graphBar3D.GraphTextStyle;
textStyle.IsSizeFixed = false;
textStyle.FontHeight = 10000;
//添加三维柱状统计图图层
m_layerThemeGraphBar3D = mapControl1.Map.Layers.Add(m_datasetVector, graphBar3D, true);
}
//设置图层是否可显示，并刷新地图
m_layerThemeGraphBar3D.IsVisible = true;
mapControl1.Map.Refresh();
}
catch (Exception ex)
{
Trace.WriteLine(ex.Message);
}
}
/// <summary>
/// 设置是否显示三维柱状统计图
/// Whether to display the theme of Bar3D graph or not
/// </summary>
/// <param name="value"></param>
public void addThemeGraphBar3DVisible()
{
// 将等待光标设置为无效
// IsWaitCursorEnabled property is set to be false
m_mapControl.IsWaitCursorEnabled = false;
// 设置反走样
// IsAntialias property is set to be true
m_mapControl.Map.IsAntialias = true;
// 设置压盖时仍然显示
// IsOverlapDisplayed property is set to be true
m_mapControl.Map.IsOverlapDisplayed = true;
// 打开地图即可同时显示三维柱状图,饼图,三维玫瑰图
// Display the theme graphs in the map
Boolean value = true;
try
{
if (m_layerThemeGraphBar3D == null)
{
// 构造统计专题图
// Create the theme layer of Pie graph
ThemeGraph graphBar3D = new ThemeGraph();
// 初始化子项，及子项的风格
// Initialize the theme items and set the style
GeoStyle geoStyle = new GeoStyle();
geoStyle.LineWidth = 0.1;
geoStyle.FillGradientMode = FillGradientMode.Linear;
ThemeGraphItem item0 = new ThemeGraphItem();
item0.GraphExpression = "Pop_Rate95";
geoStyle.FillForeColor = Color.FromArgb(231, 154, 0);
item0.UniformStyle = geoStyle;
ThemeGraphItem item1 = new ThemeGraphItem();
item1.GraphExpression = "Pop_Rate99";
geoStyle.FillForeColor = Color.FromArgb(70, 153, 255);
item1.UniformStyle = geoStyle;
// 添加子项
// Add the items into the theme
graphBar3D.Add(item0);
graphBar3D.Add(item1);
// 设置偏移量，和非固定偏移，即随图偏移
// Set the offset value
graphBar3D.IsOffsetFixed = false;
graphBar3D.OffsetY = "13000";
// 设置非流动显示
//IsFlowEnabled property is set to be false
graphBar3D.IsFlowEnabled = false;
// 设置非避让方式显示
// IsOverlapAvoided property is set to be true
graphBar3D.IsOverlapAvoided = true;
// 设置统计图显示的最大值和最小值,和非固定大小，即随图缩放
// Set the MaxGraphSize and MinGraphSize property
graphBar3D.MaxGraphSize = 100000.0000;
graphBar3D.MinGraphSize = 50000.0000;
// 显示统计图文本，并设置文本显示模式
// Display the text of theme graph
graphBar3D.IsGraphTextDisplayed = true;
graphBar3D.GraphTextFormat = ThemeGraphTextFormat.Value;
// 设置统计图类型
// Set the type of theme graph
graphBar3D.GraphType = ThemeGraphType.Bar3D;
TextStyle textStyle = graphBar3D.GraphTextStyle;
textStyle.IsSizeFixed = false;
textStyle.FontHeight = 10000;
// 添加三维柱状统计图图层
// Add the theme layer of Pie graph into the map
m_layerThemeGraphBar3D = m_mapControl.Map.Layers.Add(m_dataset, graphBar3D, true);
}
// 设置图层是否可显示，并刷新地图
// Whether to display the theme layer or not .Refresh the map
m_layerThemeGraphBar3D.IsVisible = value;
this.m_mapControl.Map.Refresh();
}
catch (Exception ex)
{
Trace.WriteLine(ex.Message);
}
}