update

Author: hj

b3dm.go

@@ -130,6 +130,7 @@ func (m *B3dm) GetBatchTable() *BatchTable {
 }
 
 func (m *B3dm) CalcSize() int64 {
+	m.FeatureTable.encode = B3dmFeatureTableEncode
 	return m.Header.CalcSize() + m.FeatureTable.CalcSize(m.GetHeader()) + m.BatchTable.CalcSize(m.GetHeader()) + calcGltfSize(m.Model, 8)
 }
 

composite.go

@@ -9,6 +9,16 @@ const (
 	CMPT_MAGIC = "cmpt"
 )
 
+func NewCmpt() *Cmpt {
+	m := &Cmpt{}
+	mg := []byte(CMPT_MAGIC)
+	m.Header.Magic[0] = mg[0]
+	m.Header.Magic[1] = mg[1]
+	m.Header.Magic[2] = mg[2]
+	m.Header.Magic[3] = mg[3]
+	return m
+}
+
 type CmptHeader struct {
 	Magic       [4]byte
 	Version     uint32
@@ -100,6 +110,9 @@ func (m *Cmpt) Read(reader io.ReadSeeker) error {
 
 func (m *Cmpt) Write(writer io.Writer) error {
 	m.Header.TilesLength = uint32(len(m.Tiles))
+	for i := range m.Tiles {
+		m.Header.ByteLength += uint32(m.Tiles[i].CalcSize())
+	}
 
 	err := binary.Write(writer, littleEndian, m.Header)
 

i3dm.go

@@ -436,6 +436,7 @@ func (m *I3dm) CalcSize() int64 {
 	} else {
 		panic("GltfFormat must 0 or 1")
 	}
+	m.FeatureTable.encode = I3dmFeatureTableEncode
 	return m.Header.CalcSize() + m.FeatureTable.CalcSize(m.GetHeader()) + m.BatchTable.CalcSize(m.GetHeader()) + int64(gltfSize)
 }
 

pnts.go

@@ -446,6 +446,7 @@ func (m *Pnts) GetBatchTable() *BatchTable {
 }
 
 func (m *Pnts) CalcSize() int64 {
+	m.FeatureTable.encode = PntsFeatureTableEncode
 	return m.Header.CalcSize() + m.FeatureTable.CalcSize(m.GetHeader()) + m.BatchTable.CalcSize(m.GetHeader())
 }