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There are lots of ways to do heatmaps with Observable Plot. See the raster, contour, and cell marks. https://observablehq.com/plot/marks/raster https://observa

There are lots of ways to do heatmaps with Observable Plot. See the raster, contour, and cell marks. https://observablehq.com/plot/marks/raster https://observablehq.com/plot/marks/raster https://observablehq.com/plot/marks/contour https://observablehq.com/plot/marks/contour https://observablehq.com/plot/marks/cell https://observablehq.com/plot/marks/cell We generally recommend stacked bar charts over pie and donut charts, so we haven’t prioritized those. But you can already implement them using custom marks, and there’s even a hacky way of doing them using Plot’s map projection system. https://observablehq.com/@observablehq/pie-to-donut-chart https://observablehq.com/@observablehq/pie-to-donut-chart I don’t understand your comment about the “D3 example.” If you’re looking for Plot examples, you can find them linked from the Plot documentation and the gallery: https://observablehq.com/@observablehq/plot-gallery https://observablehq.com/@observablehq/plot-gallery Plot is designed to be extended with JavaScript (rather than a non-JavaScript DSL such as Vega-Lite), such as for custom marks and data transforms. So you might occasionally see other libraries being used together with Plot.

kuatroka 3y ago
I'll check the raster, contour, and cell marks. Thanks. "I don’t understand your comment about the “D3 example.”..." 1. When I visit the Plot Gallery https://observablehq.com/@observablehq/plot-gallery https://observablehq.com/@observablehq/plot-gallery 2. Go down the page to "More from Observable creators" 3. Select an example I like, for example - https://observablehq.com/d/3ea4b4458fed9242?page=2&collection=@observablehq/featured-creators https://observablehq.com/d/3ea4b4458fed9242?page=2&collectio... It turns out it's D3, not Plot. I think you just have all possible viz in this section, but for me as a user coming from the Observable Plot page and clicking on "See more..." my expectation is to see only examples of what could be done with Plot, not both D3 and Plot. I need to explicitly click on each link an check if it's Plot based or not. It gets tiresome and the curiosity just wanes away. Thanks.
- mbostock 3y ago
  That “More from Observable creators” is just a standard footer we put across the site for signed-out users to showcase community content across Observable. It’s not part of the notebook. You can ignore everything below the “Appendix”.
- tophtucker 3y ago
  Hah, I just pared down that “More from Observable creators” section the other day to make it less obtrusive, and inadvertently made it more confusingly blend into the notebook contents. This is good feedback; we’ll refine it!

kuatroka 3y ago

I'll check the raster, contour, and cell marks. Thanks. "I don’t understand your comment about the “D3 example.”..." 1. When I visit the Plot Gallery https://observablehq.com/@observablehq/plot-gallery https://observablehq.com/@observablehq/plot-gallery 2. Go down the page to "More from Observable creators" 3. Select an example I like, for example - https://observablehq.com/d/3ea4b4458fed9242?page=2&collection=@observablehq/featured-creators https://observablehq.com/d/3ea4b4458fed9242?page=2&collectio... It turns out it's D3, not Plot. I think you just have all possible viz in this section, but for me as a user coming from the Observable Plot page and clicking on "See more..." my expectation is to see only examples of what could be done with Plot, not both D3 and Plot. I need to explicitly click on each link an check if it's Plot based or not. It gets tiresome and the curiosity just wanes away. Thanks.

mbostock 3y ago
That “More from Observable creators” is just a standard footer we put across the site for signed-out users to showcase community content across Observable. It’s not part of the notebook. You can ignore everything below the “Appendix”.
tophtucker 3y ago
Hah, I just pared down that “More from Observable creators” section the other day to make it less obtrusive, and inadvertently made it more confusingly blend into the notebook contents. This is good feedback; we’ll refine it!