LineGraph

LineGraph - Generates a line chart (PNG)

Generates a line chart image of the PNG format based on input data.
For the flow example that uses this component, please refer to "Example of flow using various chart components".
This component uses BFO library.

Chart sample

Stream Information

Input	Format	Record
	Number of Inputs	1
	Description	Field is pre-defined for this chart. This is read-only. For definitions, please refer to following topic "Input stream definition".
Output	Format	Binary
Output	Description	Outputs the chart image of the PNG format.

Output Stream Variables

Name	Data Type	Description
AreaTags	String	Don't output from this component.

Component Properties

Name

Data Type

Mapping

Description

Width

int

In & Out

Specifies the width of chart image by pixel.

Height

int

In & Out

Specifies the height of chart image by pixel.

Title

string

In & Out

Specifies the label of top of the chart.

Key

choice

In & Out

Specifies the position to display item names.

none []	-	Don't display
top [top]	-	Display on top of chart
bottom [bottom]	-	Display on bottom of chart
left [left]	-	Display on left of chart
right [right]	-	Display on right of chart

LabelFormat

choice

In & Out

Specifies the date format of axis X.

date(yyyy/MM) [date(yyyy/MM)]: Display in the format <year>/<month>
date(yyyy/MM/dd) [date(yyyy/MM/dd)]: Display in the format <year>/<month>/<day>
date(MM/dd) [date(MM/dd)]: Display in the format <month>/<day>

boolean

In & Out

Specifies if enables chart 3D.

true [true]	-	3D
false [false]	-	Not 3D

LabelRotate

int

In & Out

Specifies the inclination of the label of the chart.
If specifies "-20", The label becomes a right shoulder going up. To display the label vertically, specifies like "90" or "-90"

AxisSetting

group

Properties for specifies axis information.

LeftMin

int

In & Out

Specifies minimum of axis Y.

LeftMax

int

In & Out

Specifies maximum of axis Y.

LeftLabel

string

In & Out

Specifies label of axis Y.

BottomLabel

string

In & Out

Specifies label of axis X.

BackwallPaint

choice

In & Out

Specifies a background of the chart.

none []: No background
cross [stripe(#EEEEEE,line=black,axis=left,altaxis=bottom)]: Lattice
stripe [stripe(#DDDDDD, #EEEEEE, line=#AAAAAA, axis=bottom, altaxis=left)]: Stripe
gradation [gradient(#CCCCFF,white)]: Blue gradation

Standard Colors

string

In & Out

Specifies colors or patterns to use in a chart.
36 of deefault colors are defined. These are used periodically. When clicking the field, the "Select default colors" dialog is displayed. Click the color, edit it, click the "Set" button, then the color is changed.

Transaction

Commit	Do nothing
Rollback	Do nothing

Exceptions

Type	Parameter	Stream for error handling flow	Error Code	Description
Exception	None	This component's input stream	-	When failed to generate a chart
RecordNotFoundException	None	This component's input stream	2	When no record is input

Input stream definition

Input stream of this component is defined as follows.

Field Name	Type	Required	Description
LineName	String	Yes	Line name.
Key	DateTime	Yes	Chart date.
Value	Decimal	Yes	Item value.
Color	String	No	Line color. If specified, use specified color instead of the color specified by Colors .

Replacing component

This component can be replaced with the following components. Click "Replacing component" of the menu when right-clicking the compoent.

AreaGraph component

Generates an area chart. The input stream is the same. It can be replaced each other.

Graph component

If you want to customize a chart more, you can customize further details by replacing with Graph component. You can customize chart more by modifying the template in Graph component. For details, please refer to Graph component's help
After replacing with Graph component, you can not replace it with this component again.