make distance stuff greate again
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@@ -1,6 +1,9 @@
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package tiles
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import "github.com/paulmach/orb"
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import (
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"github.com/paulmach/orb"
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"github.com/rs/zerolog/log"
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)
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// GridId defines the position of a tile
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// It follows the Valhalla way of handling tiles : https://github.com/Telenav/open-source-spec/blob/master/valhalla/doc/valhalla-tiles-basic.md
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@@ -10,13 +13,17 @@ const tilesize float64 = 1.0
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// PointGridId returns the id on the grid for a given point
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func PointGridId(point orb.Point) GridId {
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log.Debug().Any("Point", point).Msg("PointGridId")
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width := int64(360 / tilesize)
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return GridId(int64((point.Lat()+90)/tilesize)*width + int64((point.Lon()+180)/tilesize))
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gridid := GridId(int64((point.Lat()+90)/tilesize)*width + int64((point.Lon()+180)/tilesize))
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log.Debug().Any("value", gridid).Msg("")
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return gridid
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}
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// LineStringGridIds returns the list of ids on the grid the linestring goes through.
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// In some really specific cases on tile edges, this could be unaccurate if the polyline was too much simplified
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func LineStringGridIds(linestring orb.LineString) []GridId {
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log.Debug().Any("Linestring", linestring).Msg("LineStringGridIds")
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results := []GridId{}
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gidmap := map[int64]bool{}
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