aspose.cells

Classes

Constants

Class Trendline

Represents a trendline in a chart.

Example:

//Instantiating a Workbook object
$workbook = new cells\Workbook();
//Adding a new worksheet to the Excel object
$sheetIndex = $workbook->getWorksheets()->add();
//Obtaining the reference of the newly added worksheet by passing its sheet index
$worksheet = $workbook->getWorksheets()->get($sheetIndex);
//Adding a sample value to "A1" cell
$worksheet->getCells()->get("A1")->putValue(50);
//Adding a sample value to "A2" cell
$worksheet->getCells()->get("A2")->putValue(100);
//Adding a sample value to "A3" cell
$worksheet->getCells()->get("A3")->putValue(150);
//Adding a sample value to "A4" cell
$worksheet->getCells()->get("A4")->putValue(200);
//Adding a sample value to "B1" cell
$worksheet->getCells()->get("B1")->putValue(60);
//Adding a sample value to "B2" cell
$worksheet->getCells()->get("B2")->putValue(32);
//Adding a sample value to "B3" cell
$worksheet->getCells()->get("B3")->putValue(50);
//Adding a sample value to "B4" cell
$worksheet->getCells()->get("B4")->putValue(40);
//Adding a sample value to "C1" cell as category data
$worksheet->getCells()->get("C1")->putValue("Q1");
//Adding a sample value to "C2" cell as category data
$worksheet->getCells()->get("C2")->putValue("Q2");
//Adding a sample value to "C3" cell as category data
$worksheet->getCells()->get("C3")->putValue("Y1");
//Adding a sample value to "C4" cell as category data
$worksheet->getCells()->get("C4")->putValue("Y2");
//Adding a chart to the worksheet
$chartIndex = $worksheet->getCharts()->add(cells\ChartType::COLUMN, 5, 0, 15, 5);
//Accessing the instance of the newly added chart
$chart = $worksheet->getCharts()->get($chartIndex);
//Adding NSeries (chart data source) to the chart ranging from "A1" cell to "B4"
$chart->getNSeries()->add("A1:B4", true);
//Setting the data source for the category data of NSeries
$chart->getNSeries()->setCategoryData("C1:C4");
//adding a linear trendline
$index = $chart->getNSeries()->get(0)->getTrendLines()->add(cells\TrendlineType::LINEAR);
$trendline = $chart->getNSeries()->get(0)->getTrendLines()->get($index);
//Setting the custom name of the trendline
$trendline->setName("Linear");
//Displaying the equation on chart
$trendline->setDisplayEquation(true);
//Displaying the R-Squared value on chart
$trendline->setDisplayRSquared(true);

Property Getters/Setters Summary
`function`	`getBackward()`
`function`	`setBackward(value)`
	Returns or sets the number of periods (or units on a scatter chart) that the trendline extends backward. The number of periods must be greater than or equal to zero. If the chart type is column ,the number of periods must be between 0 and 0.5
`function`	`getBeginArrowLength()`
`function`	`setBeginArrowLength(value)`
	Specifies the length of the arrowhead for the begin of a line. The value of the property is MsoArrowheadLength integer constant.
`function`	`getBeginArrowWidth()`
`function`	`setBeginArrowWidth(value)`
	Specifies the width of the arrowhead for the begin of a line. The value of the property is MsoArrowheadWidth integer constant.
`function`	`getBeginType()`
`function`	`setBeginType(value)`
	Specifies an arrowhead for the begin of a line. The value of the property is MsoArrowheadStyle integer constant.
`function`	`getCapType()`
`function`	`setCapType(value)`
	Specifies the ending caps. The value of the property is LineCapType integer constant.
`function`	`getColor()`
`function`	`setColor(value)`
	Represents the `com.aspose.cells.Color` of the line.
`function`	`getCompoundType()`
`function`	`setCompoundType(value)`
	Specifies the compound line type The value of the property is MsoLineStyle integer constant.
`function`	`getDashType()`
`function`	`setDashType(value)`
	Specifies the dash line type The value of the property is MsoLineDashStyle integer constant.
`function`	`getDataLabels()`
	Represents the DataLabels object for the specified series.
`function`	`getDisplayEquation()`
`function`	`setDisplayEquation(value)`
	Represents if the equation for the trendline is displayed on the chart (in the same data label as the R-squared value). Setting this property to True automatically turns on data labels.
`function`	`getDisplayRSquared()`
`function`	`setDisplayRSquared(value)`
	Represents if the R-squared value of the trendline is displayed on the chart (in the same data label as the equation). Setting this property to True automatically turns on data labels.
`function`	`getEndArrowLength()`
`function`	`setEndArrowLength(value)`
	Specifies the length of the arrowhead for the end of a line. The value of the property is MsoArrowheadLength integer constant.
`function`	`getEndArrowWidth()`
`function`	`setEndArrowWidth(value)`
	Specifies the width of the arrowhead for the end of a line. The value of the property is MsoArrowheadWidth integer constant.
`function`	`getEndType()`
`function`	`setEndType(value)`
	Specifies an arrowhead for the end of a line. The value of the property is MsoArrowheadStyle integer constant.
`function`	`getFormattingType()`
`function`	`setFormattingType(value)`
	Gets or sets format type. The value of the property is ChartLineFormattingType integer constant.
`function`	`getForward()`
`function`	`setForward(value)`
	Returns or sets the number of periods (or units on a scatter chart) that the trendline extends forward. The number of periods must be greater than or equal to zero.
`function`	`getGradientFill()`
	Represents gradient fill.
`function`	`getIntercept()`
`function`	`setIntercept(value)`
	Returns or sets the point where the trendline crosses the value axis.
`function`	`isAuto()`
`function`	`setAuto(value)`
	Indicates whether this line style is auto assigned.
`function`	`isAutomaticColor()`
	Indicates whether the color of line is automatic assigned.
`function`	`isNameAuto()`
`function`	`setNameAuto(value)`
	Returns if Microsoft Excel automatically determines the name of the trendline.
`function`	`isVisible()`
`function`	`setVisible(value)`
	Represents whether the line is visible.
`function`	`getJoinType()`
`function`	`setJoinType(value)`
	Specifies the joining caps. The value of the property is LineJoinType integer constant.
`function`	`getLegendEntry()`
	Gets the legend entry according to this trendline
`function`	`getName()`
`function`	`setName(value)`
	Returns the name of the trendline.
`function`	`getOrder()`
`function`	`setOrder(value)`
	Returns or sets the trendline order (an integer greater than 1) when the trendline type is Polynomial. The order must be between 2 and 6.
`function`	`getPeriod()`
`function`	`setPeriod(value)`
	Returns or sets the period for the moving-average trendline.
`function`	`getStyle()`
`function`	`setStyle(value)`
	Represents the style of the line. The value of the property is LineType integer constant.
`function`	`getThemeColor()`
`function`	`setThemeColor(value)`
	Gets and sets the theme color.
`function`	`getTransparency()`
`function`	`setTransparency(value)`
	Returns or sets the degree of transparency of the line as a value from 0.0 (opaque) through 1.0 (clear).
`function`	`getType()`
	Returns the trendline type. The value of the property is TrendlineType integer constant.
`function`	`getWeight()`
`function`	`setWeight(value)`
	Gets or sets the WeightType of the line. The value of the property is WeightType integer constant.
`function`	`getWeightPt()`
`function`	`setWeightPt(value)`
	Gets or sets the weight of the line in unit of points.
`function`	`getWeightPx()`
`function`	`setWeightPx(value)`
	Gets or sets the weight of the line in unit of pixels.

Method Summary
`function`	`isInterceptAuto()`
`function`	Indicates whether Microsoft Workbook automatically determines the intercept of the trendline.
`function`	`setInterceptAuto(isInterceptAuto)`
`function`	Sets whether Microsoft Workbook automatically determines the intercept of the trendline.

- Property Getters/Setters Detail
  - isNameAuto/setNameAuto : boolean
```
function isNameAuto() / function setNameAuto(value)
```
    Returns if Microsoft Excel automatically determines the name of the trendline.
  - getType : Number
```
function getType()
```
    Returns the trendline type. The value of the property is TrendlineType integer constant.
  - getName/setName : String
```
function getName() / function setName(value)
```
    Returns the name of the trendline.
  - getOrder/setOrder : Number
```
function getOrder() / function setOrder(value)
```
    Returns or sets the trendline order (an integer greater than 1) when the trendline type is Polynomial. The order must be between 2 and 6.
  - getPeriod/setPeriod : Number
```
function getPeriod() / function setPeriod(value)
```
    Returns or sets the period for the moving-average trendline.
    This value should be between 2 and 255. And it must be less than the number of the chart points in the series
  - getForward/setForward : Number
```
function getForward() / function setForward(value)
```
    Returns or sets the number of periods (or units on a scatter chart) that the trendline extends forward. The number of periods must be greater than or equal to zero.
  - getBackward/setBackward : Number
```
function getBackward() / function setBackward(value)
```
    Returns or sets the number of periods (or units on a scatter chart) that the trendline extends backward. The number of periods must be greater than or equal to zero. If the chart type is column ,the number of periods must be between 0 and 0.5
  - getDisplayEquation/setDisplayEquation : boolean
```
function getDisplayEquation() / function setDisplayEquation(value)
```
    Represents if the equation for the trendline is displayed on the chart (in the same data label as the R-squared value). Setting this property to True automatically turns on data labels.
  - getDisplayRSquared/setDisplayRSquared : boolean
```
function getDisplayRSquared() / function setDisplayRSquared(value)
```
    Represents if the R-squared value of the trendline is displayed on the chart (in the same data label as the equation). Setting this property to True automatically turns on data labels.
  - getIntercept/setIntercept : Number
```
function getIntercept() / function setIntercept(value)
```
    Returns or sets the point where the trendline crosses the value axis.
  - getDataLabels : DataLabels
```
function getDataLabels()
```
    Represents the DataLabels object for the specified series.
  - getLegendEntry : LegendEntry
```
function getLegendEntry()
```
    Gets the legend entry according to this trendline
  - getCompoundType/setCompoundType : Number
```
function getCompoundType() / function setCompoundType(value)
```
    Specifies the compound line type The value of the property is MsoLineStyle integer constant.
  - getDashType/setDashType : Number
```
function getDashType() / function setDashType(value)
```
    Specifies the dash line type The value of the property is MsoLineDashStyle integer constant.
  - getCapType/setCapType : Number
```
function getCapType() / function setCapType(value)
```
    Specifies the ending caps. The value of the property is LineCapType integer constant.
  - getJoinType/setJoinType : Number
```
function getJoinType() / function setJoinType(value)
```
    Specifies the joining caps. The value of the property is LineJoinType integer constant.
  - getBeginType/setBeginType : Number
```
function getBeginType() / function setBeginType(value)
```
    Specifies an arrowhead for the begin of a line. The value of the property is MsoArrowheadStyle integer constant.
  - getEndType/setEndType : Number
```
function getEndType() / function setEndType(value)
```
    Specifies an arrowhead for the end of a line. The value of the property is MsoArrowheadStyle integer constant.
  - getBeginArrowLength/setBeginArrowLength : Number
```
function getBeginArrowLength() / function setBeginArrowLength(value)
```
    Specifies the length of the arrowhead for the begin of a line. The value of the property is MsoArrowheadLength integer constant.
  - getEndArrowLength/setEndArrowLength : Number
```
function getEndArrowLength() / function setEndArrowLength(value)
```
    Specifies the length of the arrowhead for the end of a line. The value of the property is MsoArrowheadLength integer constant.
  - getBeginArrowWidth/setBeginArrowWidth : Number
```
function getBeginArrowWidth() / function setBeginArrowWidth(value)
```
    Specifies the width of the arrowhead for the begin of a line. The value of the property is MsoArrowheadWidth integer constant.
  - getEndArrowWidth/setEndArrowWidth : Number
```
function getEndArrowWidth() / function setEndArrowWidth(value)
```
    Specifies the width of the arrowhead for the end of a line. The value of the property is MsoArrowheadWidth integer constant.
  - getThemeColor/setThemeColor : ThemeColor
```
function getThemeColor() / function setThemeColor(value)
```
    Gets and sets the theme color.
    If the foreground color is not a theme color, NULL will be returned.
  - getColor/setColor : Color
```
function getColor() / function setColor(value)
```
    Represents the com.aspose.cells.Color of the line.
  - getTransparency/setTransparency : Number
```
function getTransparency() / function setTransparency(value)
```
    Returns or sets the degree of transparency of the line as a value from 0.0 (opaque) through 1.0 (clear).
  - getStyle/setStyle : Number
```
function getStyle() / function setStyle(value)
```
    Represents the style of the line. The value of the property is LineType integer constant.
  - getWeight/setWeight : Number
```
function getWeight() / function setWeight(value)
```
    Gets or sets the WeightType of the line. The value of the property is WeightType integer constant.
  - getWeightPt/setWeightPt : Number
```
function getWeightPt() / function setWeightPt(value)
```
    Gets or sets the weight of the line in unit of points.
  - getWeightPx/setWeightPx : Number
```
function getWeightPx() / function setWeightPx(value)
```
    Gets or sets the weight of the line in unit of pixels.
  - getFormattingType/setFormattingType : Number
```
function getFormattingType() / function setFormattingType(value)
```
    Gets or sets format type. The value of the property is ChartLineFormattingType integer constant.
  - isAutomaticColor : boolean
```
function isAutomaticColor()
```
    Indicates whether the color of line is automatic assigned.
  - isVisible/setVisible : boolean
```
function isVisible() / function setVisible(value)
```
    Represents whether the line is visible.
  - isAuto/setAuto : boolean
```
function isAuto() / function setAuto(value)
```
    Indicates whether this line style is auto assigned.
  - getGradientFill : GradientFill
```
function getGradientFill()
```
    Represents gradient fill.
- Method Detail
  - isInterceptAuto
```
function isInterceptAuto()
```
    Indicates whether Microsoft Workbook automatically determines the intercept of the trendline.
  - setInterceptAuto
```
function setInterceptAuto(isInterceptAuto)
```
    Sets whether Microsoft Workbook automatically determines the intercept of the trendline.

aspose.cells

Classes

Constants

Class Trendline

Property Getters/Setters Detail

isNameAuto/setNameAuto : boolean

getType : Number

getName/setName : String

getOrder/setOrder : Number

getPeriod/setPeriod : Number

getForward/setForward : Number

getBackward/setBackward : Number

getDisplayEquation/setDisplayEquation : boolean

getDisplayRSquared/setDisplayRSquared : boolean

getIntercept/setIntercept : Number

getDataLabels : DataLabels

getLegendEntry : LegendEntry

getCompoundType/setCompoundType : Number

getDashType/setDashType : Number

getCapType/setCapType : Number

getJoinType/setJoinType : Number

getBeginType/setBeginType : Number

getEndType/setEndType : Number

getBeginArrowLength/setBeginArrowLength : Number

getEndArrowLength/setEndArrowLength : Number

getBeginArrowWidth/setBeginArrowWidth : Number

getEndArrowWidth/setEndArrowWidth : Number

getThemeColor/setThemeColor : ThemeColor

getColor/setColor : Color

getTransparency/setTransparency : Number

getStyle/setStyle : Number

getWeight/setWeight : Number

getWeightPt/setWeightPt : Number

getWeightPx/setWeightPx : Number

getFormattingType/setFormattingType : Number

isAutomaticColor : boolean

isVisible/setVisible : boolean

isAuto/setAuto : boolean

getGradientFill : GradientFill

Method Detail

isInterceptAuto

setInterceptAuto