syntax = "proto3";

message Body {
	Meta meta = 1;
	repeated Feature feature = 2;
}

message Meta {
	repeated Tag tags = 1;
}

message Feature {
	enum GeomType {
		UNKNOWN = 0;
		POINT = 1;
		LINE = 2;
		POLYGON = 3;
	}
	enum GeomSerialization {
		WKB = 0;
	}
	GeomType geomtype = 1;
	GeomSerialization geomserial = 2;
	bytes geom = 3;

	// geometry bbox
	double left = 4;
	double right = 5;
	double top = 6;
	double bottom = 7;

	repeated Tag tags = 8;
}

message Tag {
	enum ValueType {
		STRING = 0;
		INT = 1;
		DOUBLE = 2;
	}
	string key = 1;
	bytes value = 2;
	ValueType type = 3;
}