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Be careful not to generate empty layers in tile-join.

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Add a test of filtering during tile-join.
Bump version number.
This commit is contained in:
Eric Fischer
2017-09-05 13:33:10 -07:00
parent d349b7700d
commit bdd95af8b2
7 changed files with 551 additions and 18 deletions
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README.md
+6 -6
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@@ -163,6 +163,12 @@ resolution is obtained than by using a smaller _maxzoom_ or _detail_.
* `-j` *filter* or `--feature-filter`=*filter*: Check features against a per-layer filter (as defined in the [Mapbox GL Style Specification](https://www.mapbox.com/mapbox-gl-js/style-spec/#types-filter)) and only include those that match. Any features in layers that have no filter specified will be passed through. Filters for the layer `"*"` apply to all layers.
* `-J` *filter-file* or `--feature-filter-file`=*filter-file*: Like `-j`, but read the filter from a file.
Example: to find the Natural Earth countries with low `scalerank` but high `LABELRANK`:
```
tile-join -o filtered.mbtiles -j '{ "ne_10m_admin_0_countries": [ "all", [ "<", "scalerank", 3 ], [ ">", "LABELRANK", 5 ] ] }' ne_10m_admin_0_countries.mbtiles
```
### Dropping a fixed fraction of features by zoom level
* `-r` _rate_ or `--drop-rate=`_rate_: Rate at which dots are dropped at zoom levels below basezoom (default 2.5).
@@ -488,12 +494,6 @@ The options are:
* `-j` *filter* or `--feature-filter`=*filter*: Check features against a per-layer filter (as defined in the [Mapbox GL Style Specification](https://www.mapbox.com/mapbox-gl-js/style-spec/#types-filter)) and only include those that match. Any features in layers that have no filter specified will be passed through. Filters for the layer `"*"` apply to all layers.
* `-J` *filter-file* or `--feature-filter-file`=*filter-file*: Like `-j`, but read the filter from a file.
Example: to find the Natural Earth countries with low `scalerank` but high `LABELRANK`:
```
tile-join -o filtered.mbtiles -j '{ "ne_10m_admin_0_countries": [ "all", [ "<", "scalerank", 3 ], [ ">", "LABELRANK", 5 ] ] }' ne_10m_admin_0_countries.mbtiles
```
### Setting or disabling tile size limits
* `-pk` or `--no-tile-size-limit`: Don't skip tiles larger than 500K.