These options control how a tag’s trend lines appear on the plot area.
Data Type: Whether tag data is numeric or text. By default this setting is pulled from the tag source or determined by the trend.
Numeric: Tags with numbers for values.
Text: Tags with text strings for values. The Trend draws a vertical line at each point, with an optional label to show the text value.
Digital Text: For tags that have a array of two values at each timestamp, a numeric value (0 or 1) and a corresponding text value. Depending on the data source, the tag switch /digital=numeric or /digital=text can be used to force one or the other data type.
Mask: A mask for the Current column in the Tag Info Grid, the SmartMouse value, and the Show Value Text. Format masks are primarily used to determine the number of significant figures displayed for a numeric value. The syntax is 0’s for forced digits and #’s for unforced digits. The default mask is determined by the default plot minimum and maximum for a given tag.
Line: How the line is drawn on the trend. This is primarily used when printing black and white to distinguish between trend lines. The available line types are solid, dashed, dotted, dot dash dot, and no line.
Line Marker: Adds a dot at the intersections of the trend line and the grid lines. Also adds a line marker icon based on the selected dot type in the color box of the corresponding tag in the tag info grid. This feature is designed to help users match tags to trend lines when printing in black and white or in cases of color blindness.
Dot: Toggles showing dots for each value.
Dot Type: This setting allows the user to change the shape of the dots on the trend.
Dot Size Multi: The size of the dot.
Draw Mode: How trend lines are drawn. See Draw Mode Options.
Interpolation: How the trend interpolates values between points. This setting affects the values shown on SmartMouse between points and Quick Statistics calculations.
State: Hold the value of the previous point between points.
Continuous: Linearly interpolate values between points.
Manual: When normalizing to a manual tag, interpolate values at times when this tag has values. In this case and otherwise, behaves the same as State.
Line Width: The width of the line on the trend.
These are the draw mode options for trend lines.
Continuous: Draws a direct line from point to point, extending the line from the last data point to the current time.
Square: Draws a horizontal line from one reading to the next. Draws a vertical line to the new value when the original value changes.
Square No Edge: Draws a horizontal line from one reading to the next, building over time. When the value changes, start drawing a horizontal line from the new point.
State: Draws a horizontal line from one reading to the next, extending the line from the last data point to the current time. When the value changes, start drawing a horizontal line from the new point. The last reading will be projected to the current time for updates. Draw a vertical line between horizontal lines.
State No Edge: Draw a horizontal line from one reading to the next, extending the line from the last data point to the current time. When the value changes, start drawing a horizontal line from the new point. The last reading will be projected to the current time for updates.
Exception: Draws a direct line from point to point, but does not extend past the last data point.
Square XY: When a new point comes in, draws a vertical line for the value change and a horizontal line for the time interval. Square XY does not extend past the last data point.
