this block group with high index is not highlighted

[mikelmaron]

[tmcw]

This is definitely a data issue, the block-highlights layer is totally different than the dissolved layer:

The block-highlights layer appears to have overlapping geometries and different boundaries than the dissolve copy layer, so we can't expect this interaction pattern to work reliably.

[mikelmaron]

I should explain the layers in the Mapbox Style -- they aren't well labeled (and yes give them better labels later on)

• ejscreen-2020-ca-d-pm25-2-dissolve copy or dissolveLayer contains dissolved polygons of neighboring block groups with similar index values. Meant for visualization at low zooms, this layer is present between zooms 0 and 11. It's also used for the hover popup at low zooms
• cali-projected-6z3k79 copy or targetLayer is block group level data of the index. this layer is present at zoom 9 and above. There's overlap with the dissolveLayer, so that there's a smooth visual transition. It's used for the hover popup at higher zooms.
• tabblock2010-06-pophu-blockgr-biqw81 or populationLayer is used only to calculate population numbers. Opacity is zero.
• block-highlights uses the same tileset source as cali-projected-6z3k79 copy. So at zoom 9 or above, expect the rendering, the popup, and the highlight to all have the same value.

Sorry for the confusing labels -- but does this make sense? Because block-highlights and cali-projected-6z3k79 copy use the same source, expect the rendering of the fill and the filtering of the boundary would match up.

[mikelmaron]

I think I spotted what's up. The min / max domain value for the slider is set to -15000/15000. So block groups that exceed will always be excluded by the filter. The range of D_PM25_2 is the (arbitrary seeming) -18063.444039 <> 61,374