|
message Point {
|
|
required int32 x = 1;
|
|
required int32 y = 2;
|
|
optional string label = 3;
|
|
}
|
|
|
|
message Line {
|
|
required Point start = 1;
|
|
required Point end = 2;
|
|
optional string label = 3;
|
|
}
|
|
|
|
message Polyline {
|
|
repeated Point point = 1;
|
|
optional string label = 2;
|
|
} |