Introduce type parameter for plot points #76
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@lucasmerlin @emilk could you have a look at it? |
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@emilk Could you have a look at it again - I think I fixed everything now :-) |
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This pull request introduces a new "Userdata" demo panel to the plot demo, showcasing how custom per-point user data can be attached and accessed during label formatting. It also refactors the plot item geometry to include an optional
Id, allowing label formatters to receive both the item identifier and point index for richer tooltip customization. Several snapshot images are updated to reflect these demo and API changes.Userdata demo and API enhancements:
Userdatademo panel toPlotDemo, demonstrating how to associate custom information with each plotted point and display it in tooltips using the label formatter.PlotGeometry::Pointsto carry an optionalId, enabling identification of the plot item during hover interactions.(Id, index), allowing tooltips to display custom per-point data.Line,Polygon,Points,Arrows) to provide theirIdin the geometry for correct user data association.These changes make it easier to build interactive plots with custom per-point data and tooltips, and provide a clear demo for users to follow.
Reopening emilk/egui#4719