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Preserve minor road labels at zoom 12 and 13 for "long" roads #1217

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@nvkelso

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@nvkelso
  • What did you see?

In rural areas minor roads are the jam and while we add them at zoom 12, they aren't labeled until zoom 14 creating a sparse map.

  • What did you expect to see?

We've had several support tickets to add labels in for these rural minor roads (but no comments about adding them in urban areas).

Right now we include the road names in our database selection, and then in a post-processing step drop them from the entire class of minor_roads.

Instead we could move the drop process after line merging, and then if the line is shorter than X amount in pixel space for that zoom tile we could drop the name.

  • What map location are you having problems with?
  • Missing labels z12: 12/40.3143/-99.3315
  • Missing labels z13: 13/40.3143/-99.3315
  • Okay as-is z14: 14/40.3143/-99.3315
  • Screenshot? Props for animated gifs.

Missing labels z12:

screen shot 2017-04-20 at 21 13 07

Missing labels z13:

screen shot 2017-04-20 at 21 13 00

Okay as-is z14:

screen shot 2017-04-20 at 21 12 53

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