Exemple #1
0
        public void DeserializeFeatureTableToJsonTest()
        {
            // arrange
            var positions = new List <Vector3>();

            positions.Add(new Vector3(0, 0, 0));
            positions.Add(new Vector3(1, 1, 1));
            var treeGlb = File.ReadAllBytes(@"testfixtures/barrel.glb");
            var i3dm    = new I3dm.Tile.I3dm(positions, treeGlb);

            i3dm.Positions = positions;

            // act
            var featureTableJson = i3dm.GetFeatureTableJson();
            var serializeOptions = new JsonSerializerOptions()
            {
                IgnoreNullValues = true
            };

            serializeOptions.Converters.Add(new Vector3Converter());
            var featureTable = JsonSerializer.Deserialize <FeatureTable>(featureTableJson, serializeOptions);

            // assert
            Assert.IsTrue(featureTable.InstancesLength == 2);
            Assert.IsTrue(featureTable.IsEastNorthUp == true);
            Assert.IsTrue(featureTable.PositionOffset.offset == 0);
        }
Exemple #2
0
        public static string Write(string path, I3dm i3dm)
        {
            i3dm.FeatureTableJson = i3dm.GetFeatureTableJson();
            var featureTableBinary = new List <byte>();

            featureTableBinary.AddRange(i3dm.Positions.ToBytes());
            if (i3dm.NormalUps != null)
            {
                featureTableBinary.AddRange(i3dm.NormalUps.ToBytes());
            }
            if (i3dm.NormalRights != null)
            {
                featureTableBinary.AddRange(i3dm.NormalRights.ToBytes());
            }
            if (i3dm.ScaleNonUniforms != null)
            {
                featureTableBinary.AddRange(i3dm.ScaleNonUniforms.ToBytes());
            }
            if (i3dm.BatchIdsBytes != null)
            {
                featureTableBinary.AddRange(i3dm.BatchIdsBytes.ToArray());
            }

            i3dm.FeatureTableBinary = featureTableBinary.ToArray();

            var header_length = 28;

            i3dm.I3dmHeader.ByteLength =
                i3dm.GlbData.Length + header_length +
                i3dm.FeatureTableJson.Length +
                i3dm.BatchTableJson.Length +
                i3dm.BatchTableBinary.Length +
                i3dm.FeatureTableBinary.Length;
            i3dm.I3dmHeader.FeatureTableJsonByteLength   = i3dm.FeatureTableJson.Length;
            i3dm.I3dmHeader.BatchTableJsonByteLength     = i3dm.BatchTableJson.Length;
            i3dm.I3dmHeader.FeatureTableBinaryByteLength = i3dm.FeatureTableBinary.Length;
            i3dm.I3dmHeader.BatchTableBinaryByteLength   = i3dm.BatchTableBinary.Length;

            var fileStream   = File.Open(path, FileMode.Create);
            var binaryWriter = new BinaryWriter(fileStream);

            binaryWriter.Write(i3dm.I3dmHeader.AsBinary());
            binaryWriter.Write(Encoding.UTF8.GetBytes(i3dm.FeatureTableJson));
            if (i3dm.FeatureTableBinary != null)
            {
                binaryWriter.Write(i3dm.FeatureTableBinary);
            }
            binaryWriter.Write(Encoding.UTF8.GetBytes(i3dm.BatchTableJson));
            if (i3dm.BatchTableBinary != null)
            {
                binaryWriter.Write(i3dm.BatchTableBinary);
            }
            binaryWriter.Write(i3dm.GlbData);
            binaryWriter.Flush();
            binaryWriter.Close();
            return(fileStream.Name);
        }
        public void DeserializeFeatureTableToJsonTest()
        {
            // arrange
            var i3dm      = new I3dm.Tile.I3dm();
            var positions = new List <Vector3>();

            positions.Add(new Vector3(0, 0, 0));
            positions.Add(new Vector3(1, 1, 1));
            i3dm.Positions = positions;

            // act
            var featureTableJson = i3dm.GetFeatureTableJson();
            var featureTable     = JsonSerializer.Deserialize <FeatureTable>(featureTableJson);

            // assert
            Assert.IsTrue(featureTable.InstancesLength == 2);
            Assert.IsTrue(featureTable.IsEastNorthUp == false);
            Assert.IsTrue(featureTable.PositionOffset.byteOffset == 0);
        }
Exemple #4
0
        private static void UpdateProperties(I3dm i3dm, string batchIdSerializeType)
        {
            var batchIdBytes = new byte[0];

            if (i3dm.BatchIds != null)
            {
                batchIdBytes = GetBatchIdsBytes(i3dm.BatchIds, batchIdSerializeType);
            }

            i3dm.FeatureTableJson = BufferPadding.AddPadding(i3dm.GetFeatureTableJson(batchIdSerializeType, batchIdBytes.Length));

            var featureTableBinary = new List <byte>();

            featureTableBinary.AddRange(i3dm.Positions.ToBytes());
            if (i3dm.NormalUps != null)
            {
                featureTableBinary.AddRange(i3dm.NormalUps.ToBytes());
            }
            if (i3dm.NormalRights != null)
            {
                featureTableBinary.AddRange(i3dm.NormalRights.ToBytes());
            }
            if (i3dm.ScaleNonUniforms != null)
            {
                featureTableBinary.AddRange(i3dm.ScaleNonUniforms.ToBytes());
            }
            if (i3dm.Scales != null)
            {
                featureTableBinary.AddRange(i3dm.Scales.ToBytes());
            }
            if (i3dm.BatchIds != null)
            {
                featureTableBinary.AddRange(batchIdBytes);
            }
            if (i3dm.RtcCenter != null)
            {
                featureTableBinary.AddRange(((Vector3)i3dm.RtcCenter).ToBytes());
            }
            if (i3dm.BatchTableJson != string.Empty)
            {
                i3dm.BatchTableJson = BufferPadding.AddPadding(i3dm.BatchTableJson);
            }
            if (i3dm.BatchTableBinary != null)
            {
                i3dm.BatchTableBinary = BufferPadding.AddPadding(i3dm.BatchTableBinary);
            }

            i3dm.FeatureTableBinary = BufferPadding.AddPadding(featureTableBinary.ToArray());

            var header_length = 28;

            var glbLength = i3dm.I3dmHeader.GltfFormat == 0 ? i3dm.GlbUrl.Length : i3dm.GlbData.Length;

            i3dm.I3dmHeader.ByteLength =
                glbLength + header_length +
                i3dm.FeatureTableJson.Length +
                i3dm.BatchTableJson.Length +
                i3dm.BatchTableBinary.Length +
                i3dm.FeatureTableBinary.Length +
                BitConverter.GetBytes(i3dm.I3dmHeader.GltfFormat).Length;

            i3dm.I3dmHeader.FeatureTableJsonByteLength   = i3dm.FeatureTableJson.Length;
            i3dm.I3dmHeader.BatchTableJsonByteLength     = i3dm.BatchTableJson.Length;
            i3dm.I3dmHeader.FeatureTableBinaryByteLength = i3dm.FeatureTableBinary.Length;
            i3dm.I3dmHeader.BatchTableBinaryByteLength   = i3dm.BatchTableBinary.Length;
        }
Exemple #5
0
        public static string Write(string path, I3dm i3dm, string batchIdSerializeType = "UNSIGNED_SHORT")
        {
            var batchIdBytes = new byte[0];

            if (i3dm.BatchIds != null)
            {
                batchIdBytes = GetBatchIdsBytes(i3dm.BatchIds, batchIdSerializeType);
            }

            i3dm.FeatureTableJson = BufferPadding.AddPadding(i3dm.GetFeatureTableJson(batchIdSerializeType, batchIdBytes.Length));

            var featureTableBinary = new List <byte>();

            featureTableBinary.AddRange(i3dm.Positions.ToBytes());
            if (i3dm.NormalUps != null)
            {
                featureTableBinary.AddRange(i3dm.NormalUps.ToBytes());
            }
            if (i3dm.NormalRights != null)
            {
                featureTableBinary.AddRange(i3dm.NormalRights.ToBytes());
            }
            if (i3dm.ScaleNonUniforms != null)
            {
                featureTableBinary.AddRange(i3dm.ScaleNonUniforms.ToBytes());
            }
            if (i3dm.Scales != null)
            {
                featureTableBinary.AddRange(i3dm.Scales.ToBytes());
            }
            if (i3dm.BatchIds != null)
            {
                featureTableBinary.AddRange(batchIdBytes);
            }
            if (!i3dm.RtcCenter.Equals(Vector3.Zero))
            {
                featureTableBinary.AddRange(i3dm.RtcCenter.ToBytes());
            }
            if (i3dm.BatchTableJson != string.Empty)
            {
                i3dm.BatchTableJson = BufferPadding.AddPadding(i3dm.BatchTableJson);
            }
            if (i3dm.BatchTableBinary != null)
            {
                i3dm.BatchTableBinary = BufferPadding.AddPadding(i3dm.BatchTableBinary);
            }

            i3dm.FeatureTableBinary = BufferPadding.AddPadding(featureTableBinary.ToArray());

            var header_length = 28;

            i3dm.I3dmHeader.ByteLength =
                i3dm.GlbData.Length + header_length +
                i3dm.FeatureTableJson.Length +
                i3dm.BatchTableJson.Length +
                i3dm.BatchTableBinary.Length +
                i3dm.FeatureTableBinary.Length +
                BitConverter.GetBytes(i3dm.I3dmHeader.GltfFormat).Length;

            i3dm.I3dmHeader.FeatureTableJsonByteLength   = i3dm.FeatureTableJson.Length;
            i3dm.I3dmHeader.BatchTableJsonByteLength     = i3dm.BatchTableJson.Length;
            i3dm.I3dmHeader.FeatureTableBinaryByteLength = i3dm.FeatureTableBinary.Length;
            i3dm.I3dmHeader.BatchTableBinaryByteLength   = i3dm.BatchTableBinary.Length;

            var fileStream   = File.Open(path, FileMode.Create);
            var binaryWriter = new BinaryWriter(fileStream);

            binaryWriter.Write(i3dm.I3dmHeader.AsBinary());
            binaryWriter.Write(Encoding.UTF8.GetBytes(i3dm.FeatureTableJson));
            if (i3dm.FeatureTableBinary != null)
            {
                binaryWriter.Write(i3dm.FeatureTableBinary);
            }
            binaryWriter.Write(Encoding.UTF8.GetBytes(i3dm.BatchTableJson));
            if (i3dm.BatchTableBinary != null)
            {
                binaryWriter.Write(i3dm.BatchTableBinary);
            }
            binaryWriter.Write(i3dm.GlbData);
            binaryWriter.Flush();
            binaryWriter.Close();
            return(fileStream.Name);
        }