Trend The trend displayer is placed in a picture , and it allows to display displaying the time flow of the values of objects. One trend is able to display values for up to four objects.
The following figure shows an example of a trend. Two red horizontal lines represents represent limits defined for the trend.
To create a Trend displayer
- In the Drawing toolbar, click the button Trend
. - Point the mouse cursor to the position of the first trend corner and click.
- Point the mouse cursor to the position of the diagonal trend corner and click.
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Object nr. 1 up to Object nr. 12
Each displayer of the Trend type can display the values of as many as 12 objects. So the tab Objects contains input edit boxes allowing to define 12 objects. To define the objects to display in the displayer either enter its their names or select them from a list opened by clicking the button placed right from the input box.
Color for displaying given object is defined by clicking the button placed left from the input box.
For an object of the Structured variable type, there must be a defined column name (the parameter Column) and row number (the parameter Row). For an object of the Value array, you must define a an item (the button L), whose value will be displayed.
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The parameters placed on the tab are identical with to the parameters on the tab Control of the Connect object palette.
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Specifies the name of the displayer in the form of a reference variable for use in the picture script.
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Assignment of application data (metadata) to a graphic object. If the object contains some metadata, the name of the first record will be displayed in on the button. Multiple records are indicated by ",...".
Event
The listbox allows the user to select an active picture event for the displayer. The listbox contains the following active picture events:
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Text to display as a tooltip when the user points the mouse cursor to the displayer in the picture opened in process the D2000 HI process.
Possibility to use the Dictionary (to open press CTRL+L).
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Definition of URL address to open a web page from a picture. The address may also be set also in the picture script by the function %HI_SetOBJURL.
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Definition of limits of the trend. To define limits, it is necessary to check the button placed left. Then you can enter the values of the limits. Clicking the color sample placed right opens the color palette to select the colors of the limits.
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The parameter defines the range of the time axis (horizontal axis).
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Shift
It defines a shift of the time axis when the drawing of flows reaches the right margin of the time axis.
Thick lines
If the parameter is checked, flows displayed in the trend will be drawn by a thick line.
Look
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Appearance The appearance of the displayer is being configured in the tab Look.
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Definition of a style of the trend.
 | Trend The trend is drawn with the frame and background. |
 | 3D effect - sunken trend. |
 | 3D effect - raised trend. |
 | Trend The trend is drawn with a 3D frame. |
Frame and Background
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The parameters Frame and Background allows to define allow defining colors for the parts (frame and background) of the trend. Color is defined by selecting from the color palette opened by clicking the button placed right from the color sample of a correspondent parameter.
Note relating to D2000 Thin Client
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Trend displayer is not implemented in Thin Client.
For more rules see the page Drawing rules and object properties for the D2000 Thin Client.
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