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Tag: CoordinateMode

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0 votes
9k views

Hi,

I am currently adding a Vertical Slice Modifier with just on Vertical Line inside of it.
The idea is to create a vertical cursor to display Y values for a given X value.
As my chart is a real time chart, I don’t want my cursor position changed expect on user interaction, I set to Relative the CoordinateMode property of my Annotation.

<s:VerticalSliceModifier Name="sliceModifier" ShowTooltipOn="Always" IsEnabled="True">
                    <s:VerticalSliceModifier.VerticalLines>
                        <s:VerticalLineAnnotation IsEditable="True" X1="0.5" Stroke="#D62D15" CoordinateMode="Relative"/>
                    </s:VerticalSliceModifier.VerticalLines>
                </s:VerticalSliceModifier>

The vertical line is correctly displayed at the centre of the surface but point markers and tooltips are not displayed at the line position, it seems the relative coordinate mode is not handle on this area.

Thanks for your help
Jean-Charles

2 votes
13k views

I want to have a BoxAnnotation where Y1 (- double.Infinity) and Y2 (+ double.Infinity). Basically I wanna specify only X1 and X2. And the behaviour must ensure always the box annotations Y1 & Y2 stretch to visible area even when I resize (zoomout) the chart.

In the screen shot its not stretched.

1 vote
14k views

Hi, I’m trying to position vertical line annotations on a chart. I want to position them on a visible part of the chart, but I need to use the Absolute coordinate mode as I want the annotation to move with the data as the chart is panned or zoomed.

My question is then: how can I find the currently visible extents of the X axis? If the chart is zoomed or panned I need to know what the left and rightmost visible X-axis values are (independent of the data).

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