iOS & macOS Charting Documentation - SciChart iOS & macOS Charts SDK v4.x
SciChart features a Cursor or Crosshair modifier provided by the
It allows to display a crosshair at the touch-point and
SCICursorModifier is also able to display an aggregated tooltip (all series in one tooltip).
NOTE: Examples of the
SCICursorModifierusage can be found in the SciChart iOS Examples Suite as well as on GitHub:
SCICursorModifier allows inspecting RenderableSeries at a touch point.
For convenience, the actual hit-test point is located a bit upper.
Tooltips will appear to the side of it, showing the hit-test result for all RenderableSeries above the cursor horizontal line.
SCICursorModifier shows labels on axes for its horizontal, vertical lines.
For hit-testing series parts that are close to the chart boundaries, a multi-touch finger drag can be used:
Besides the SCICursorModifier specific features, there are some common features which are shared between SCITooltipModifier, SCIRolloverModifier and SCICursorModifier via common
||Allows to hide or show modifier’s Tooltips.|
||Allows to show interpolated values between data points. It is a
||Allows to specify which
||Specifies how far the hit-test point is from the actual touch point. This value will be used for either
||Specifies how far the hit-test point is from the actual touch point. As opposed to
||Allows to specify the position of the hit-test point relative to the touch point, e.g. Left, Top, etc… Expects a member of the
||Allows to specify the position of modifier’s Tooltips relative to the hit-test point, e.g. TopLeft, BottomRight, etc…. Expects a member of the
||Allows to specify
Adding a SCICursorModifier to a Chart
Any Chart Modifier can be added to a
SCIChartSurface via the
ISCIChartSurface.chartModifiers property and
SCICursorModifier with no difference:
NOTE: To learn more about features available, please visit the Chart Modifier APIs article.