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Support for Marshalling to Proto Objects #154

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Support for Marshalling to Proto Objects #154

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12 changes: 11 additions & 1 deletion encoding/mvt/marshal.go
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Original file line number Diff line number Diff line change
Expand Up @@ -41,7 +41,7 @@ func MarshalGzipped(layers Layers) ([]byte, error) {

// Marshal will take a set of layers and encode them into a Mapbox Vector Tile format.
// Features that have a nil geometry, for some reason, will be skipped and not included.
func Marshal(layers Layers) ([]byte, error) {
func MarshalToVectorTile(layers Layers) (*vectortile.Tile, error) {
vt := &vectortile.Tile{
Layers: make([]*vectortile.Tile_Layer, 0, len(layers)),
}
Expand Down Expand Up @@ -70,6 +70,16 @@ func Marshal(layers Layers) ([]byte, error) {
vt.Layers = append(vt.Layers, layer)
}

return vt
}

// Marshal will take a set of layers and encode them into a Mapbox Vector Tile format.
// Features that have a nil geometry, for some reason, will be skipped and not included.
func Marshal(layers Layers) ([]byte, error) {
vt, err := MarshalToVectorTile(layers)
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pretty straight forward, i just moved the guts out into another function right before marshalling to bytes. and leave the proto marshaling here for callers of this function

if err != nil {
return nil, err
}
return proto.Marshal(vt)
}

Expand Down