Diagramm Datenmarker

Diagrammmarker Setzen

Aspose.Slides für C++ bietet eine einfache API, um den Diagrammserienmarker automatisch festzulegen. In der folgenden Funktion erhält jede Diagrammserie automatisch ein unterschiedliches Standardsymbol für den Marker.

Das folgende Codebeispiel zeigt, wie man den Diagrammserienmarker automatisch festlegt.

// The path to the documents directory.
const String outPath = u"../out/DefaultMarkersInChart.pptx";
//Instantiate Presentation class that represents PPTX file
SharedPtr<Presentation> pres = MakeObject<Presentation>();
// Accessing the first slide in presentation
SharedPtr<ISlide> slide = pres->get_Slides()->idx_get(0);
SharedPtr<IChart> chart = slide->get_Shapes()->AddChart(Aspose::Slides::Charts::ChartType::LineWithMarkers, 10, 10, 400, 400);
chart->get_ChartData()->get_Series()->Clear();
chart->get_ChartData()->get_Categories()->Clear();
System::SharedPtr<IChartDataWorkbook> fact = chart->get_ChartData()->get_ChartDataWorkbook();
chart->get_ChartData()->get_Series()->Add(fact->GetCell(0,0,1, System::ObjectExt::Box<System::String>(u"Category 1")),chart->get_Type());
SharedPtr<IChartSeries> series = chart->get_ChartData()->get_Series()->idx_get(0);
chart->get_ChartData()->get_Categories()->Add(fact->GetCell(0, 1, 0, ObjectExt::Box<System::String>(u"C1")));
series->get_DataPoints()->AddDataPointForLineSeries(fact->GetCell(0, 1, 1, System::ObjectExt::Box<int32_t>(24)));
chart->get_ChartData()->get_Categories()->Add(fact->GetCell(0, 2, 0, ObjectExt::Box<System::String>(u"C2")));
series->get_DataPoints()->AddDataPointForLineSeries(fact->GetCell(0, 2, 1, System::ObjectExt::Box<int32_t>(23)));
chart->get_ChartData()->get_Categories()->Add(fact->GetCell(0, 3, 0, ObjectExt::Box<System::String>(u"C3")));
series->get_DataPoints()->AddDataPointForLineSeries(fact->GetCell(0, 3, 1, System::ObjectExt::Box<int32_t>(-10)));
chart->get_ChartData()->get_Categories()->Add(fact->GetCell(0, 4, 0, ObjectExt::Box<System::String>(u"C4")));
series->get_DataPoints()->AddDataPointForLineSeries(fact->GetCell(0, 4, 1, nullptr));
chart->get_ChartData()->get_Series()->Add(fact->GetCell(0, 0, 2, ObjectExt::Box<System::String>(u"Series 2")), chart->get_Type());
//Take second chart series
SharedPtr<IChartSeries> series2 = chart->get_ChartData()->get_Series()->idx_get(1);
//Now populating series data
series2->get_DataPoints()->AddDataPointForLineSeries(fact->GetCell(0, 1, 2, System::ObjectExt::Box<int32_t>(30)));
series2->get_DataPoints()->AddDataPointForLineSeries(fact->GetCell(0, 2, 2, System::ObjectExt::Box<int32_t>(10)));
series2->get_DataPoints()->AddDataPointForLineSeries(fact->GetCell(0, 3, 2, System::ObjectExt::Box<int32_t>(60)));
series2->get_DataPoints()->AddDataPointForLineSeries(fact->GetCell(0, 4, 2, System::ObjectExt::Box<int32_t>(40)));
chart->set_HasLegend(true);
chart->get_Legend()->set_Overlay(false);
pres->Save(outPath, Aspose::Slides::Export::SaveFormat::Pptx);
view raw Examples-SlidesCPP-DefaultMarkersInChart-DefaultMarkersInChart.cpp hosted with ❤ by GitHub

Diagrammmarker-Optionen Setzen

Die Marker können an Diagrammdatenpunkten innerhalb einer bestimmten Serie festgelegt werden. Um die Optionen für Diagrammmarker festzulegen, befolgen Sie bitte die folgenden Schritte:

  • Erstellen Sie eine Presentation Klasse.
  • Erstellen Sie das Standarddiagramm.
  • Setzen Sie das Bild.
  • Nehmen Sie die erste Diagrammserie.
  • Fügen Sie einen neuen Datenpunkt hinzu.
  • Schreiben Sie eine Präsentation auf die Festplatte.

Im folgenden Beispiel haben wir die Diagrammmarker-Optionen auf Ebene der Datenpunkte festgelegt.

For complete examples and data files, please go to https://github.com/aspose-slides/Aspose.Slides-for-C
// The path to the documents directory.
const String outPath = u"../out/MarkerOptions_out.pptx";
//Instantiate Presentation class that represents PPTX file
SharedPtr<Presentation> pres = MakeObject<Presentation>();
//Access first slide
SharedPtr<ISlide> slide = pres->get_Slides()->idx_get(0);
// Add chart with default data
SharedPtr<IChart> chart = slide->get_Shapes()->AddChart(Aspose::Slides::Charts::ChartType::LineWithMarkers, 0, 0, 500, 500);
// Setting Chart Titile
chart->set_HasTitle(true);
chart->get_ChartTitle()->AddTextFrameForOverriding(u"");
SharedPtr<IPortion> chartTitle = chart->get_ChartTitle()->get_TextFrameForOverriding()->get_Paragraphs()->idx_get(0)->get_Portions()->idx_get(0);
chartTitle->set_Text(u"Sample Chart");
chartTitle->get_PortionFormat()->get_FillFormat()->set_FillType(FillType::Solid);
chartTitle->get_PortionFormat()->get_FillFormat()->get_SolidFillColor()->set_Color(System::Drawing::Color::get_Gray());
chartTitle->get_PortionFormat()->set_FontHeight(20);
chartTitle->get_PortionFormat()->set_FontBold(NullableBool::True);
chartTitle->get_PortionFormat()->set_FontItalic(NullableBool::True);
// Setting Major grid lines format for value axis
chart->get_Axes()->get_VerticalAxis()->get_MajorGridLinesFormat()->get_Line()->get_FillFormat()->set_FillType(FillType::Solid);
chart->get_Axes()->get_VerticalAxis()->get_MajorGridLinesFormat()->get_Line()->get_FillFormat()->get_SolidFillColor()->set_Color(System::Drawing::Color::get_Blue());
chart->get_Axes()->get_VerticalAxis()->get_MajorGridLinesFormat()->get_Line()->set_Width(5);
chart->get_Axes()->get_VerticalAxis()->get_MajorGridLinesFormat()->get_Line()->set_DashStyle(LineDashStyle::DashDot);
// Setting Minor grid lines format for value axis
chart->get_Axes()->get_VerticalAxis()->get_MinorGridLinesFormat()->get_Line()->get_FillFormat()->set_FillType(FillType::Solid);
chart->get_Axes()->get_VerticalAxis()->get_MinorGridLinesFormat->get_Line()->get_FillFormat()->get_SolidFillColor()->set_Color(System::Drawing::Color::get_Red());
chart->get_Axes()->get_VerticalAxis()->get_MinorGridLinesFormat->get_Line()->set_Width(3);
// Setting value axis number format
chart->get_Axes()->get_VerticalAxis()->set_IsNumberFormatLinkedToSource(false);
chart->get_Axes()->get_VerticalAxis()->set_DisplayUnit(DisplayUnitType::Thousands);
chart->get_Axes()->get_VerticalAxis()->set_NumberFormat(u"0.0%");
// Setting chart maximum, minimum values
chart->get_Axes()->get_VerticalAxis()->set_IsAutomaticMajorUnit(false);
chart->get_Axes()->get_VerticalAxis()->set_IsAutomaticMaxValue(false);
chart->get_Axes()->get_VerticalAxis()->set_IsAutomaticMinorUnit(false);
chart->get_Axes()->get_VerticalAxis()->set_IsAutomaticMinValue(false);
chart->get_Axes()->get_VerticalAxis()->set_MaxValue(15);
chart->get_Axes()->get_VerticalAxis()->set_MinValue(-2);
chart->get_Axes()->get_VerticalAxis()->set_MinorUnit(0.5);
chart->get_Axes()->get_VerticalAxis()->set_MajorUnit(2.0);
// Setting Value Axis Text Properties
SharedPtr<IChartPortionFormat> txtVal = chart->get_Axes()->get_VerticalAxis()->get_TextFormat()->get_PortionFormat();
txtVal->set_FontBold(NullableBool::True);
txtVal->set_FontHeight(16);
txtVal->set_FontItalic(NullableBool::True);
txtVal->get_FillFormat()->set_FillType(FillType::Solid);
txtVal->get_FillFormat.SolidFillColor.Color(System::Drawing::Color::get_DarkGreen());
//SharedPtr<IFontData> fontData = MakeObject<IFontData>(L"Times New Roman");
txtVal->set_LatinFont(MakeObject<IFontData>(u"Times New Roman"));
// Setting value axis title
chart->get_Axes()->get_VerticalAxis()->set_HasTitle(true);
chart->get_Axes()->get_VerticalAxis()->get_Title->AddTextFrameForOverriding(u"");
SharedPtr<IPortion> valtitle = chart->get_Axes()->get_VerticalAxis()->get_Title()->get_TextFrameForOverriding()->get_Paragraphs()->idx_get(0)->get_Portions()->idx_get(0);
valtitle->set_Text(u"Primary Axis");
valtitle->get_PortionFormat()->get_FillFormat()->set_FillType(FillType::Solid);
valtitle->get_PortionFormat()->get_FillFormat()->get_SolidFillColor()->set_Color(System::Drawing::Color::get_Gray());
valtitle->get_PortionFormat()->set_FontHeight(20);
valtitle->get_PortionFormat()->set_FontBold(NullableBool::True);
valtitle->get_PortionFormat()->set_FontItalic(NullableBool::True);
// Setting Major grid lines format for Category axis
chart->get_Axes()->get_HorizontalAxis()->get_MajorGridLinesFormat()->get_Line()->get_FillFormat()->set_FillType(FillType::Solid);
chart->get_Axes()->get_HorizontalAxis()->get_MajorGridLinesFormat()->get_Line()->get_FillFormat()->get_SolidFillColor()->set_Color(System::Drawing::Color::get_Green());
chart->get_Axes()->get_HorizontalAxis()->get_MajorGridLinesFormat()->get_Line()->set_Width(5);
// Setting Minor grid lines format for Category axis
chart->get_Axes()->get_HorizontalAxis()->get_MinorGridLinesFormat()->get_Line()->get_FillFormat()->set_FillType(FillType::Solid);
chart->get_Axes()->get_HorizontalAxis()->get_MinorGridLinesFormat->get_Line()->get_FillFormat()->get_SolidFillColor()->set_Color(System::Drawing::Color::get_Yellow());
chart->get_Axes()->get_HorizontalAxis()->get_MinorGridLinesFormat->get_Line()->set_Width(3);
// Setting Category Axis Text Properties
SharedPtr<IChartPortionFormat> txtCat = chart->get_Axes()->get_HorizontalAxis()->get_TextFormat()->get_PortionFormat();
txtCat->set_FontBold(NullableBool::True);
txtCat->set_FontHeight(16);
txtCat->set_FontItalic(NullableBool::True);
txtCat->get_FillFormat->se_FillType(FillType::Solid);
txtCat->get_FillFormat.get_SolidFillColor()->set_Color(System::Drawing::Color::get_Blue());
txtCat->set_LatinFont(MakeObject<IFontData>(u"Arial"));
// Setting Category Titile
chart->get_Axes()->get_HorizontalAxis()->set_HasTitle(true);
chart->get_Axes()->get_HorizontalAxis()->get_Title()->AddTextFrameForOverriding(u"");
SharedPtr<IPortion> catTitle = chart->get_Axes()->get_HorizontalAxis()->get_Title()->get_TextFrameForOverriding()->get_Paragraphs()->idx_get(0)->get_Portions()->idx_get(0);
catTitle->set_Text(u"Sample Category");
catTitle->get_PortionFormat->get_FillFormat->set_FillType(FillType::Solid);
catTitle->get_PortionFormat->get_FillFormat->get_SolidFillColor->set_Color(System::Drawing::Color::get_Gray());
catTitle->get_PortionFormat->set_FontHeight(20);
catTitle->get_PortionFormat->set_FontBold(NullableBool::True);
catTitle->get_PortionFormat->set_FontItalic(NullableBool::True);
// Setting category axis lable position
chart->get_Axes()->get_HorizontalAxis()->set_TickLabelPosition(TickLabelPositionType::Low);
// Setting category axis lable rotation angle
chart->get_Axes()->get_HorizontalAxis()->set_TickLabelRotationAngle(45);
// Setting Legends Text Properties
SharedPtr<IChartPortionFormat> txtleg = chart->get_Legend->get_TextFormat()->get_PortionFormat();
txtleg->set_FontBold(NullableBool::True);
txtleg->set_FontHeight(16);
txtleg->set_FontItalic = NullableBool::True;
txtleg->get_FillFormat->set_FillType(FillType::Solid);
txtleg->get_FillFormat->get_SolidFillColor->set_Color(System::Drawing::Color::get_DarkRed());
// Set show chart legends without overlapping chart
chart->get_Legend()->set_Overlay(true);
// Ploting first series on secondary value axis
// Chart.ChartData.Series[0].PlotOnSecondAxis = true;
// Setting chart back wall color
chart->get_BackWall->set_Thickness(1);
chart->get_BackWall()->get_Format()->get_Fill()->set_FillType(FillType::Solid);
chart->get_BackWall.Format.Fill->get_SolidFillColor->set_Color(System::Drawing::Color::get_Orange());
chart->get_Floor->get_Format()->get_Fill()->set_FillType(FillType::Solid);
chart->get_Floor.Format.Fill->get_SolidFillColor->set_Color(System::Drawing::Color::get_Red());
// Setting Plot area color
chart->get_PlotArea->get_Format()->get_Fill()->set_FillType(FillType::Solid);
chart->get_PlotArea.Format.Fill->get_SolidFillColor->set_Color(System::Drawing::Color::get_LightCyan());
// Write the presentation file to disk
pres->Save(outPath, Aspose::Slides::Export::SaveFormat::Pptx);
view raw Examples-SlidesCPP-SetMarkerOptions-SetMarkerOptions.cpp hosted with ❤ by GitHub

Diagrammmarker auf Ebene der Serien-Datenpunkte Setzen

Jetzt können die Marker an Diagrammdatenpunkten innerhalb einer bestimmten Serie festgelegt werden. Um die Optionen für Diagrammmarker festzulegen, befolgen Sie bitte die folgenden Schritte:

  • Erstellen Sie die Präsentationsklasse.
  • Erstellen Sie das Standarddiagramm.
  • Setzen Sie das Bild.
  • Nehmen Sie die erste Diagrammserie.
  • Fügen Sie einen neuen Datenpunkt hinzu.
  • Schreiben Sie eine Präsentation auf die Festplatte.

Im folgenden Beispiel haben wir die Diagrammmarker-Optionen auf Ebene der Datenpunkte festgelegt.

const String outPath = u"../out/SetMarkerOptionsonSeries_out.pptx";
const String ImagePath = u"../templates/Tulips.jpg";
const String ImagePath2 = u"../templates/aspose - logo.jpg";

//Instanziieren Sie die Präsentationsklasse, die die PPTX-Datei darstellt
SharedPtr<Presentation> pres = MakeObject<Presentation>();

//Zugriff auf die erste Folie
SharedPtr<ISlide> slide = pres->get_Slides()->idx_get(0);

// Fügen Sie ein Diagramm mit Standarddaten hinzu
SharedPtr<IChart> chart = slide->get_Shapes()->AddChart(Aspose::Slides::Charts::ChartType::LineWithMarkers, 0, 0, 500, 500);

// Festlegen des Index des Diagrammdatenblatts
int defaultWorksheetIndex = 0;

// Abrufen des Diagrammdatenarbeitsblatts
SharedPtr<IChartDataWorkbook> fact = chart->get_ChartData()->get_ChartDataWorkbook();

// Löschen der standardmäßig generierten Serien und Kategorien
chart->get_ChartData()->get_Series()->Clear();

// Jetzt, Hinzufügen einer neuen Serie
SharedPtr<IChartSeries> series = chart->get_ChartData()->get_Series()->Add(fact->GetCell(defaultWorksheetIndex, 1, 1, ObjectExt::Box<System::String>(u"Serie 1")), chart->get_Type());

// Holen Sie sich das Bild
SharedPtr<IImage> image = Images::FromFile(ImagePath);
SharedPtr<IImage> image2 = Images::FromFile(ImagePath2);

// Bild zur Bildersammlung der Präsentation hinzufügen
SharedPtr<IPPImage> imgx1 = pres->get_Images()->AddImage(image);
SharedPtr<IPPImage> imgx2 = pres->get_Images()->AddImage(image2);

image->Dispose();
image2->Dispose();

// Neuen Punkt (1:3) hinzufügen.
SharedPtr<IChartDataPoint> point = series->get_DataPoints()->AddDataPointForLineSeries(fact->GetCell(defaultWorksheetIndex, 1, 1, ObjectExt::Box<double>(4.5)));
point->get_Marker()->get_Format()->get_Fill()->set_FillType(FillType::Picture);
point->get_Marker()->get_Format()->get_Fill()->get_PictureFillFormat()->get_Picture()->set_Image(imgx1);

point = series->get_DataPoints()->AddDataPointForLineSeries(fact->GetCell(defaultWorksheetIndex, 2, 1, ObjectExt::Box<double>(2.5)));
point->get_Marker()->get_Format()->get_Fill()->set_FillType(FillType::Picture);
point->get_Marker()->get_Format()->get_Fill()->get_PictureFillFormat()->get_Picture()->set_Image(imgx2);

point = series->get_DataPoints()->AddDataPointForLineSeries(fact->GetCell(defaultWorksheetIndex, 3, 1, ObjectExt::Box<double>(3.5)));
point->get_Marker()->get_Format()->get_Fill()->set_FillType(FillType::Picture);
point->get_Marker()->get_Format()->get_Fill()->get_PictureFillFormat()->get_Picture()->set_Image(imgx1);

point = series->get_DataPoints()->AddDataPointForLineSeries(fact->GetCell(defaultWorksheetIndex, 4, 1, ObjectExt::Box<double>(4.5)));
point->get_Marker()->get_Format()->get_Fill()->set_FillType(FillType::Picture);
point->get_Marker()->get_Format()->get_Fill()->get_PictureFillFormat()->get_Picture()->set_Image(imgx2);

// Ändern des Diagrammserienmarkers
series->get_Marker()->set_Size(15);

// Schreiben Sie die Präsentationsdatei auf die Festplatte
pres->Save(outPath, Aspose::Slides::Export::SaveFormat::Pptx);
pres->Dispose();

Farbe auf Datenpunkte Anwenden

Sie können Farbe auf Datenpunkte im Diagramm anwenden, indem Sie Aspose.Slides für C++ verwenden. IChartDataPointLevelsManager und IChartDataPointLevel Klassen wurden hinzugefügt, um Zugriff auf die Eigenschaften von Datenpunkt-Ebenen zu erhalten. Dieser Artikel zeigt, wie Sie auf die Datenpunkte zugreifen und Farbe darauf anwenden können.

const String outPath = u"../out/AddColorToDataPoints.pptx";
System::SharedPtr<Presentation> pres = System::MakeObject<Presentation>();
System::SharedPtr<IChart> chart = pres->get_Slides()->idx_get(0)->get_Shapes()->AddChart(Aspose::Slides::Charts::ChartType::Sunburst, 100.0f, 100.0f, 450.0f, 400.0f);
System::SharedPtr<IChartDataPointCollection> dataPoints = chart->get_ChartData()->get_Series()->idx_get(0)->get_DataPoints();
dataPoints->idx_get(3)->get_DataPointLevels()->idx_get(0)->get_Label()->get_DataLabelFormat()->set_ShowValue(true);
System::SharedPtr<IDataLabel> branch1Label = dataPoints->idx_get(0)->get_DataPointLevels()->idx_get(2)->get_Label();
branch1Label->get_DataLabelFormat()->set_ShowCategoryName(false);
branch1Label->get_DataLabelFormat()->set_ShowSeriesName(true);
branch1Label->get_DataLabelFormat()->get_TextFormat()->get_PortionFormat()->get_FillFormat()->set_FillType(Aspose::Slides::FillType::Solid);
branch1Label->get_DataLabelFormat()->get_TextFormat()->get_PortionFormat()->get_FillFormat()->get_SolidFillColor()->set_Color(System::Drawing::Color::get_Yellow());
System::SharedPtr<IFormat> steam4Format = dataPoints->idx_get(9)->get_DataPointLevels()->idx_get(1)->get_Format();
steam4Format->get_Fill()->set_FillType(Aspose::Slides::FillType::Solid);
steam4Format->get_Fill()->get_SolidFillColor()->set_Color(System::Drawing::Color::FromArgb(255, 0, 176, 240));
pres->Save(outPath, Aspose::Slides::Export::SaveFormat::Pptx);
view raw Examples-SlidesCPP-AddColorToDataPoints-AddColorToDataPoints.cpp hosted with ❤ by GitHub