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WPF界面開發工具DevExpress WPF使用教程：創建綁定到數據的3D圖表控件（第三部分）

翻譯|使用教程|編輯：龔雪|2020-10-28 10:00:32.270|閱讀 362 次

概述：通過DevExpress WPF Controls，您能創建有著強大互動功能的XAML基礎應用程序。本文將為大家介紹如何創建綁定到數據的3D圖表控件的第三部分，DevExpress WPF v20.1.8全新發布，歡迎下載體驗新版！

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通過DevExpress WPF Controls，您能創建有著強大互動功能的XAML基礎應用程序，這些應用程序專注于當代客戶的需求和構建未來新一代支持觸摸的解決方案。

在本教程中，您將完成可視化數據源所需的步驟。

應該執行以下步驟，本文我們將為大家介紹3個步驟及最后結果，更多完整內容歡迎持續關注！

Step 1. 編寫一個應用程序
Step 2. 為圖表和系列綁定添加數據
Step 3. 配置系列視圖
結果

Step 3. 配置系列視圖

本節中系列的外觀將被配置，將分配一個不同的系列視圖。此外，通過點的ColorIndex值對點進行著色的著色器將用于提供顏色。

打開Series Collection Editor然后選擇Series3D，找到屬性并將其設置為.。

展開視圖屬性，找到屬性并將其分配給對象。

然后，展開model屬性，并將其屬性設置為Low，這將提高應用程序性能。

找到屬性并將其設置為。

擴展著色器的屬性并將其設置為-0.4 0.4 1.8 2。

將對象指定為屬性值。

將設置為true。

最后，將設置為新的對象，然后單擊OK關閉編輯器并保存更改。

當前，該系列的XAML標記應如下所示。

<dxc:Series3D DisplayName="Series 1">
<dxc:Series3D.View>
<dxc:Point3DSeriesView>
<dxc:Point3DSeriesView.MarkerModel>
<dxc:Marker3DSpherePointModel SphereDetalizationLevel="Low"/>
</dxc:Point3DSeriesView.MarkerModel>
<dxc:Point3DSeriesView.Colorizer>
<dxc:RangeColorizer3D RangeStops="-0.4 0.4 1.8 2" 
ApproximateColors="True">
<dxc:RangeColorizer3D.ValueProvider>
<dxc:ColorObjectValueProvider3D/>
</dxc:RangeColorizer3D.ValueProvider>
<dxc:RangeColorizer3D.Palette>
<dxc:YellowPalette/>
</dxc:RangeColorizer3D.Palette>
</dxc:RangeColorizer3D>
</dxc:Point3DSeriesView.Colorizer>
</dxc:Point3DSeriesView>
</dxc:Series3D.View>
<!--Point Source Configuration -->
</dxc:Series3D>

結果

下圖演示了已啟動的應用程序。

以下代碼是本入門課程的結果。

Star.cs

namespace GettingStarted2 {
public class Star {
public int HipID { get; private set; }
public string Spectr { get; private set; }
public double Luminocity { get; private set; }
public double ColorIndex { get; private set; }
public double X { get; private set; }
public double Y { get; private set; }
public double Z { get; private set; }

public Star(
int id,
double x,
double y,
double z,
string spectr, 
double luminocity, 
double colorIndex
) {
HipID = id;
X = x;
Y = y;
Z = z;
Spectr = spectr;
Luminocity = luminocity;
ColorIndex = colorIndex;
}
}
}

StarDataViewModel.cs

using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Globalization;
using System.IO;
using System.Windows;
using System.Windows.Resources;

namespace GettingStarted2 {
public class StarStatisticsViewModel {
public IEnumerable<Star> Stars { get; private set; }

public StarStatisticsViewModel() {
Stars = StarStatisticsLoader.Load("/Data/starsdata.csv");
}
}

static class StarStatisticsLoader {
public static IEnumerable<Star> Load(string filepath) {
StreamResourceInfo streamInfo = Application.GetResourceStream(
new Uri(filepath, UriKind.RelativeOrAbsolute)
);
StreamReader reader = new StreamReader(streamInfo.Stream);
Collection<Star> stars = new Collection<Star>();
while (!reader.EndOfStream) {
String dataLine = reader.ReadLine();
String[] serializedValues = dataLine.Split(';');
stars.Add(
new Star(
id: Convert.ToInt32(serializedValues[0], CultureInfo.InvariantCulture),
x: Convert.ToDouble(serializedValues[3], CultureInfo.InvariantCulture),
y: Convert.ToDouble(serializedValues[4], CultureInfo.InvariantCulture),
z: Convert.ToDouble(serializedValues[5], CultureInfo.InvariantCulture),
spectr: serializedValues[1],
luminocity: Convert.ToDouble(serializedValues[6], CultureInfo.InvariantCulture),
colorIndex: Convert.ToDouble(serializedValues[2], CultureInfo.InvariantCulture)
)
);
}

return stars;
}
}
}

StarDataViewModel.vb

Imports System.Collections.ObjectModel
Imports System.Globalization
Imports System.IO
Imports System.Windows.Resources

Public Class StarDataViewModel
Dim mStars As IEnumerable(Of Star)
Public ReadOnly Property Stars As IEnumerable(Of Star)
Get
Return mStars
End Get
End Property

Public Sub New()
mStars = StarStatisticsLoader.Load("/Data/starsdata.csv")
End Sub
End Class

Public Module StarStatisticsLoader
Public Function Load(ByVal filepath As String) As IEnumerable(Of Star)
Dim streamInfo As StreamResourceInfo = Application.GetResourceStream(
New Uri(filepath, UriKind.RelativeOrAbsolute)
)
Dim reader As StreamReader = New StreamReader(streamInfo.Stream)
Dim stars As Collection(Of Star) = New Collection(Of Star)()
While (Not reader.EndOfStream)
Dim dataLine As String = reader.ReadLine()
Dim serializedValues As String() = dataLine.Split(";")
stars.Add(
New Star(
id:=Convert.ToInt32(serializedValues(0), CultureInfo.InvariantCulture),
x:=Convert.ToDouble(serializedValues(3), CultureInfo.InvariantCulture),
y:=Convert.ToDouble(serializedValues(4), CultureInfo.InvariantCulture),
z:=Convert.ToDouble(serializedValues(5), CultureInfo.InvariantCulture),
spectr:=serializedValues(1),
luminocity:=Convert.ToDouble(serializedValues(6), CultureInfo.InvariantCulture),
colorIndex:=Convert.ToDouble(serializedValues(2), CultureInfo.InvariantCulture)
)
)
End While
Return stars
End Function
End Module

Star.vb

Public Class Star
Dim mHipID As Int32
Dim mSpectr As String
Dim mX, mY, mZ, mLuminocity, mColorIndex As Double

Public ReadOnly Property HipID() As Int32
Get
Return mHipID
End Get
End Property

Public ReadOnly Property Spectr() As String
Get
Return mSpectr
End Get
End Property

Public ReadOnly Property X() As Double
Get
Return mX
End Get
End Property

Public ReadOnly Property Y() As Double
Get
Return mY
End Get
End Property

Public ReadOnly Property Z() As Double
Get
Return mZ
End Get
End Property

Public ReadOnly Property Luminocity() As Double
Get
Return mLuminocity
End Get
End Property

Public ReadOnly Property ColorIndex() As Double
Get
Return mColorIndex
End Get
End Property

Public Sub New(
ByVal id As Int32,
ByVal x As Double,
ByVal y As Double,
ByVal z As Double,
ByVal spectr As String,
ByVal luminocity As Double,
ByVal colorIndex As Double)
mHipID = id
mX = x
mY = y
mZ = z
mSpectr = spectr
mLuminocity = luminocity
mColorIndex = colorIndex
End Sub
End Class

MainWindow.xaml(C#)

<Window
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
xmlns:local="clr-namespace:GettingStarted2"
xmlns:dxc="http://schemas.devexpress.com/winfx/2008/xaml/charts" 
x:Class="GettingStarted2.MainWindow"
mc:Ignorable="d"
Title="MainWindow" Height="720" Width="1280">
<Window.DataContext>
<local:StarStatisticsViewModel/>
</Window.DataContext>
<Grid>
<dxc:Chart3DControl>
<dxc:Chart3DControl.Legends>
<dxc:Legend/>
</dxc:Chart3DControl.Legends>
<dxc:Series3DStorage>
<dxc:Series3D DisplayName="Series 1">
<dxc:Series3D.View>
<dxc:Point3DSeriesView>
<dxc:Point3DSeriesView.MarkerModel>
<dxc:Marker3DSpherePointModel SphereDetalizationLevel="Low"/>
</dxc:Point3DSeriesView.MarkerModel>
<dxc:Point3DSeriesView.Colorizer>
<dxc:RangeColorizer3D RangeStops="-0.4 0.4 1.8 2" 
ApproximateColors="True">
<dxc:RangeColorizer3D.ValueProvider>
<dxc:ColorObjectValueProvider3D/>
</dxc:RangeColorizer3D.ValueProvider>
<dxc:RangeColorizer3D.Palette>
<dxc:YellowPalette/>
</dxc:RangeColorizer3D.Palette>
</dxc:RangeColorizer3D>
</dxc:Point3DSeriesView.Colorizer>
</dxc:Point3DSeriesView>
</dxc:Series3D.View>
<dxc:SeriesPoint3DDataSourceAdapter DataSource="{Binding Stars}" 
XArgumentDataMember="X" 
YArgumentDataMember="Y"
ValueDataMember="Z" 
ColorDataMember="ColorIndex"/>
</dxc:Series3D>
</dxc:Series3DStorage>
</dxc:Chart3DControl>
</Grid>
</Window>

MainWindow.xaml(VB.NET)

<Window xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
xmlns:local="clr-namespace:GettingStarted2"
xmlns:dxc="http://schemas.devexpress.com/winfx/2008/xaml/charts" 
x:Class="GettingStarted2.MainWindow"
mc:Ignorable="d"
Title="MainWindow" Height="720" Width="1280">
<Window.DataContext>
<local:StarDataViewModel/>
</Window.DataContext>
<Grid>
<dxc:Chart3DControl>
<dxc:Chart3DControl.Legends>
<dxc:Legend/>
</dxc:Chart3DControl.Legends>
<dxc:Series3DStorage>
<dxc:Series3D DisplayName="Series 1">
<dxc:Series3D.View>
<dxc:Point3DSeriesView>
<dxc:Point3DSeriesView.MarkerModel>
<dxc:Marker3DSpherePointModel SphereDetalizationLevel="Low"/>
</dxc:Point3DSeriesView.MarkerModel>
<dxc:Point3DSeriesView.Colorizer>
<dxc:RangeColorizer3D RangeStops="-0.4 0.4 1.8 2" 
ApproximateColors="True">
<dxc:RangeColorizer3D.ValueProvider>
<dxc:ColorObjectValueProvider3D/>
</dxc:RangeColorizer3D.ValueProvider>
<dxc:RangeColorizer3D.Palette>
<dxc:YellowPalette/>
</dxc:RangeColorizer3D.Palette>
</dxc:RangeColorizer3D>
</dxc:Point3DSeriesView.Colorizer>
</dxc:Point3DSeriesView>
</dxc:Series3D.View>
<dxc:SeriesPoint3DDataSourceAdapter DataSource="{Binding Stars}" 
XArgumentDataMember="X" 
YArgumentDataMember="Y"
ValueDataMember="Z" 
ColorDataMember="ColorIndex"/>
</dxc:Series3D>
</dxc:Series3DStorage>
</dxc:Chart3DControl>
</Grid>
</Window>

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