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A general purpose polygon series would be nice, the idea being to show multiple regions with an assigned 'value'. Each region comprises one or more polygons.
These are increasingly popular for showing metric data regarding geographic regions (e.g. GDP by country) even in the absence of a proper GIS context, and provide a nice way to implement non-regular (e.g. hex or non-axis-aligned) heat maps. (I long ago implemented a similar thing for a hexagonal heatmap for a cellular model, so that's the use-case from which I'm coming to this)
We should be able to attach a label to each poly (e.g. name of geographic region)
Should polys have a user-specified logical center? (e.g. for tracker snapping; this makes sense for e.g. non-regular heatmaps where the value is sampled at a particular point but represented over an area)
How can we support polys with holes in them?
Other:
Would be nice to have a geographical example, but I've not bothered to track down any open data
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@Jonarw we seem to have mostly got through the outstanding PRs, so naturally I feel compelled to open some more. Worth providing a polygon series if we can come up with some sensible examples?
Sure, feel free to make a PR if you have time!
I might even have an example for a real-world application for this: Wafermaps with non-rectangular dies - I can see if I can find an example graphic tomorrow.
This can of course be done using a ScatterSeries and custom markers (this is how this plot was created), but the correct Marker size is not immediately obvious - with a PolygonSeries this would be more straightforward.
A general purpose polygon series would be nice, the idea being to show multiple regions with an assigned 'value'. Each region comprises one or more polygons.
These are increasingly popular for showing metric data regarding geographic regions (e.g. GDP by country) even in the absence of a proper GIS context, and provide a nice way to implement non-regular (e.g. hex or non-axis-aligned) heat maps. (I long ago implemented a similar thing for a hexagonal heatmap for a cellular model, so that's the use-case from which I'm coming to this)
A basic implementation is at https://github.com/VisualMelon/oxyplot/tree/PolygonSeries
Open design issues:
Other:
The text was updated successfully, but these errors were encountered: