The DAM 3D format of Matterport

dam.proto

// type i
message DAMFile {
	repeated Chunk chunk = 1;
	repeated QuantizedChunk quantized_chunk = 2; 
}

// type "o"
message Chunk { 
	required Vertices vertices = 1;
	required Faces faces = 2;
	required string chunk_name = 3;
	required string material_name = 4;
}
// type "h"
message QuantizedChunk{
	required string chunk_name = 1;
	required string material_name = 2;
	required QuantizedVertices vertices = 3;
	repeated QuantizedUVs uvs = 4;
	required Faces faces = 5;
}

// type r
message QuantizedVertices{
	required float quantization = 1;
	repeated float translation = 2 [packed=true];
	repeated sint32 x = 3 [packed=true];
	repeated sint32 y = 4 [packed=true];
	repeated sint32 z = 5 [packed=true];
}


// type n
message Faces{
	repeated int32 faces = 1 [packed=true];
}

// type a
message QuantizedUVs{ 
	required string name = 1;
	required float quantization = 2;
	repeated sint32 u = 3 [packed=true]; 
	repeated sint32 v = 4 [packed=true]; 
}

// type s
message Vertices {
	repeated float xyz = 1 [packed=true];
	repeated float uv = 2 [packed=true];
}

Damn

You were brilliant。
How did you get this file？