gemma: pkg/mesh/meshserialize

annotate pkg/mesh/meshserialize_v1.go @ 5688:6281c18b109f sr-v2

Finsh serializing v2 meshes.

author	Sascha L. Teichmann <sascha.teichmann@intevation.de>
date	Mon, 12 Feb 2024 02:27:41 +0100
parents	8ff842858434
children	da9720b4aa42

rev	line source
5675 b8da63027b48 Started to separate mesh serialisation in different files. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1 // This is Free Software under GNU Affero General Public License v >= 3.0
b8da63027b48 Started to separate mesh serialisation in different files. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	2 // without warranty, see README.md and license for details.
b8da63027b48 Started to separate mesh serialisation in different files. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	3 //
b8da63027b48 Started to separate mesh serialisation in different files. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	4 // SPDX-License-Identifier: AGPL-3.0-or-later
b8da63027b48 Started to separate mesh serialisation in different files. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	5 // License-Filename: LICENSES/AGPL-3.0.txt
b8da63027b48 Started to separate mesh serialisation in different files. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	6 //
b8da63027b48 Started to separate mesh serialisation in different files. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	7 // Copyright (C) 2024 by via donau
b8da63027b48 Started to separate mesh serialisation in different files. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	8 // – Österreichische Wasserstraßen-Gesellschaft mbH
b8da63027b48 Started to separate mesh serialisation in different files. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	9 // Software engineering by Intevation GmbH
b8da63027b48 Started to separate mesh serialisation in different files. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	10 //
b8da63027b48 Started to separate mesh serialisation in different files. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	11 // Author(s):
b8da63027b48 Started to separate mesh serialisation in different files. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	12 // * Sascha L. Teichmann <sascha.teichmann@intevation.de>
b8da63027b48 Started to separate mesh serialisation in different files. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	13
b8da63027b48 Started to separate mesh serialisation in different files. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	14 package mesh
b8da63027b48 Started to separate mesh serialisation in different files. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	15
b8da63027b48 Started to separate mesh serialisation in different files. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	16 import (
5676 d56e043bbbca More code moving. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5675 diff changeset	17 "bufio"
5675 b8da63027b48 Started to separate mesh serialisation in different files. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	18 "encoding/binary"
b8da63027b48 Started to separate mesh serialisation in different files. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	19 "io"
b8da63027b48 Started to separate mesh serialisation in different files. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	20 "math"
b8da63027b48 Started to separate mesh serialisation in different files. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	21
b8da63027b48 Started to separate mesh serialisation in different files. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	22 "gemma.intevation.de/gemma/pkg/log"
b8da63027b48 Started to separate mesh serialisation in different files. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	23 )
b8da63027b48 Started to separate mesh serialisation in different files. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	24
b8da63027b48 Started to separate mesh serialisation in different files. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	25 func (s *STRTree) serializeV1(w io.Writer) error {
b8da63027b48 Started to separate mesh serialisation in different files. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	26 if err := s.tin.serializeV1(w); err != nil {
b8da63027b48 Started to separate mesh serialisation in different files. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	27 return err
b8da63027b48 Started to separate mesh serialisation in different files. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	28 }
b8da63027b48 Started to separate mesh serialisation in different files. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	29 if err := binary.Write(w, binary.LittleEndian, uint8(s.Entries)); err != nil {
b8da63027b48 Started to separate mesh serialisation in different files. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	30 return err
b8da63027b48 Started to separate mesh serialisation in different files. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	31 }
b8da63027b48 Started to separate mesh serialisation in different files. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	32 if err := s.serializeIndexV1(w); err != nil {
b8da63027b48 Started to separate mesh serialisation in different files. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	33 return err
b8da63027b48 Started to separate mesh serialisation in different files. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	34 }
5687 8ff842858434 More stubs for serializing v2. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5677 diff changeset	35 return s.serializeBBoxesV1(w)
5675 b8da63027b48 Started to separate mesh serialisation in different files. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	36 }
b8da63027b48 Started to separate mesh serialisation in different files. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	37
b8da63027b48 Started to separate mesh serialisation in different files. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	38 func (s *STRTree) serializeBBoxesV1(w io.Writer) error {
b8da63027b48 Started to separate mesh serialisation in different files. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	39
b8da63027b48 Started to separate mesh serialisation in different files. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	40 if err := binary.Write(w, binary.LittleEndian, int32(len(s.bboxes))); err != nil {
b8da63027b48 Started to separate mesh serialisation in different files. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	41 return err
b8da63027b48 Started to separate mesh serialisation in different files. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	42 }
b8da63027b48 Started to separate mesh serialisation in different files. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	43
b8da63027b48 Started to separate mesh serialisation in different files. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	44 var err error
b8da63027b48 Started to separate mesh serialisation in different files. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	45
b8da63027b48 Started to separate mesh serialisation in different files. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	46 write := func(v float64) {
b8da63027b48 Started to separate mesh serialisation in different files. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	47 if err == nil {
b8da63027b48 Started to separate mesh serialisation in different files. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	48 err = binary.Write(w, binary.LittleEndian, math.Float64bits(v))
b8da63027b48 Started to separate mesh serialisation in different files. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	49 }
b8da63027b48 Started to separate mesh serialisation in different files. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	50 }
b8da63027b48 Started to separate mesh serialisation in different files. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	51 for _, box := range s.bboxes {
b8da63027b48 Started to separate mesh serialisation in different files. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	52 write(box.X1)
b8da63027b48 Started to separate mesh serialisation in different files. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	53 write(box.Y1)
b8da63027b48 Started to separate mesh serialisation in different files. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	54 write(box.X2)
b8da63027b48 Started to separate mesh serialisation in different files. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	55 write(box.Y2)
b8da63027b48 Started to separate mesh serialisation in different files. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	56 }
b8da63027b48 Started to separate mesh serialisation in different files. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	57
b8da63027b48 Started to separate mesh serialisation in different files. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	58 return err
b8da63027b48 Started to separate mesh serialisation in different files. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	59 }
b8da63027b48 Started to separate mesh serialisation in different files. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	60
b8da63027b48 Started to separate mesh serialisation in different files. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	61 func (s *STRTree) serializeIndexV1(w io.Writer) error {
b8da63027b48 Started to separate mesh serialisation in different files. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	62
b8da63027b48 Started to separate mesh serialisation in different files. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	63 if err := binary.Write(w, binary.LittleEndian, int32(len(s.index))); err != nil {
b8da63027b48 Started to separate mesh serialisation in different files. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	64 return err
b8da63027b48 Started to separate mesh serialisation in different files. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	65 }
b8da63027b48 Started to separate mesh serialisation in different files. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	66
b8da63027b48 Started to separate mesh serialisation in different files. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	67 var buf [binary.MaxVarintLen32]byte
b8da63027b48 Started to separate mesh serialisation in different files. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	68
b8da63027b48 Started to separate mesh serialisation in different files. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	69 var last int32
b8da63027b48 Started to separate mesh serialisation in different files. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	70 var written int
b8da63027b48 Started to separate mesh serialisation in different files. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	71
b8da63027b48 Started to separate mesh serialisation in different files. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	72 for _, x := range s.index {
b8da63027b48 Started to separate mesh serialisation in different files. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	73 delta := x - last
b8da63027b48 Started to separate mesh serialisation in different files. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	74 n := binary.PutVarint(buf[:], int64(delta))
b8da63027b48 Started to separate mesh serialisation in different files. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	75 for p := buf[:n]; len(p) > 0; p = p[n:] {
b8da63027b48 Started to separate mesh serialisation in different files. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	76 var err error
b8da63027b48 Started to separate mesh serialisation in different files. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	77 if n, err = w.Write(p); err != nil {
b8da63027b48 Started to separate mesh serialisation in different files. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	78 return err
b8da63027b48 Started to separate mesh serialisation in different files. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	79 }
b8da63027b48 Started to separate mesh serialisation in different files. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	80 written += n
b8da63027b48 Started to separate mesh serialisation in different files. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	81 }
b8da63027b48 Started to separate mesh serialisation in different files. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	82 last = x
b8da63027b48 Started to separate mesh serialisation in different files. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	83 }
b8da63027b48 Started to separate mesh serialisation in different files. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	84
b8da63027b48 Started to separate mesh serialisation in different files. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	85 log.Infof("compressed index in bytes: %d %.2f (%d %.2f)\n",
b8da63027b48 Started to separate mesh serialisation in different files. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	86 written,
b8da63027b48 Started to separate mesh serialisation in different files. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	87 float64(written)/(1024*1024),
b8da63027b48 Started to separate mesh serialisation in different files. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	88 4*len(s.index),
b8da63027b48 Started to separate mesh serialisation in different files. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	89 float64(4len(s.index))/(10241024),
b8da63027b48 Started to separate mesh serialisation in different files. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	90 )
b8da63027b48 Started to separate mesh serialisation in different files. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	91
b8da63027b48 Started to separate mesh serialisation in different files. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	92 return nil
b8da63027b48 Started to separate mesh serialisation in different files. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	93 }
b8da63027b48 Started to separate mesh serialisation in different files. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	94
b8da63027b48 Started to separate mesh serialisation in different files. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	95 func (t *Tin) serializeV1(w io.Writer) error {
b8da63027b48 Started to separate mesh serialisation in different files. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	96
b8da63027b48 Started to separate mesh serialisation in different files. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	97 if err := binary.Write(w, binary.LittleEndian, t.EPSG); err != nil {
b8da63027b48 Started to separate mesh serialisation in different files. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	98 return err
b8da63027b48 Started to separate mesh serialisation in different files. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	99 }
b8da63027b48 Started to separate mesh serialisation in different files. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	100
b8da63027b48 Started to separate mesh serialisation in different files. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	101 if err := t.Min.Write(w); err != nil {
b8da63027b48 Started to separate mesh serialisation in different files. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	102 return err
b8da63027b48 Started to separate mesh serialisation in different files. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	103 }
b8da63027b48 Started to separate mesh serialisation in different files. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	104 if err := t.Max.Write(w); err != nil {
b8da63027b48 Started to separate mesh serialisation in different files. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	105 return err
b8da63027b48 Started to separate mesh serialisation in different files. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	106 }
b8da63027b48 Started to separate mesh serialisation in different files. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	107
b8da63027b48 Started to separate mesh serialisation in different files. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	108 if err := binary.Write(
b8da63027b48 Started to separate mesh serialisation in different files. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	109 w, binary.LittleEndian, uint32(len(t.Vertices))); err != nil {
b8da63027b48 Started to separate mesh serialisation in different files. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	110 return err
b8da63027b48 Started to separate mesh serialisation in different files. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	111 }
b8da63027b48 Started to separate mesh serialisation in different files. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	112
b8da63027b48 Started to separate mesh serialisation in different files. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	113 var err error
b8da63027b48 Started to separate mesh serialisation in different files. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	114 vwrite := func(v float64) {
b8da63027b48 Started to separate mesh serialisation in different files. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	115 if err == nil {
b8da63027b48 Started to separate mesh serialisation in different files. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	116 err = binary.Write(w, binary.LittleEndian, math.Float64bits(v))
b8da63027b48 Started to separate mesh serialisation in different files. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	117 }
b8da63027b48 Started to separate mesh serialisation in different files. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	118 }
b8da63027b48 Started to separate mesh serialisation in different files. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	119
b8da63027b48 Started to separate mesh serialisation in different files. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	120 for _, v := range t.Vertices {
b8da63027b48 Started to separate mesh serialisation in different files. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	121 vwrite(v.X)
b8da63027b48 Started to separate mesh serialisation in different files. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	122 vwrite(v.Y)
b8da63027b48 Started to separate mesh serialisation in different files. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	123 vwrite(v.Z)
b8da63027b48 Started to separate mesh serialisation in different files. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	124 }
b8da63027b48 Started to separate mesh serialisation in different files. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	125
b8da63027b48 Started to separate mesh serialisation in different files. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	126 if err != nil {
b8da63027b48 Started to separate mesh serialisation in different files. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	127 return err
b8da63027b48 Started to separate mesh serialisation in different files. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	128 }
b8da63027b48 Started to separate mesh serialisation in different files. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	129 log.Infof("vertices %d (%d)\n", len(t.Vertices), len(t.Vertices)38)
b8da63027b48 Started to separate mesh serialisation in different files. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	130
b8da63027b48 Started to separate mesh serialisation in different files. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	131 if err := binary.Write(
b8da63027b48 Started to separate mesh serialisation in different files. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	132 w, binary.LittleEndian, uint32(len(t.Triangles))); err != nil {
b8da63027b48 Started to separate mesh serialisation in different files. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	133 return err
b8da63027b48 Started to separate mesh serialisation in different files. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	134 }
b8da63027b48 Started to separate mesh serialisation in different files. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	135
b8da63027b48 Started to separate mesh serialisation in different files. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	136 var buf [binary.MaxVarintLen32]byte
b8da63027b48 Started to separate mesh serialisation in different files. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	137 var written int
b8da63027b48 Started to separate mesh serialisation in different files. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	138 var last int32
b8da63027b48 Started to separate mesh serialisation in different files. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	139 for _, triangle := range t.Triangles {
b8da63027b48 Started to separate mesh serialisation in different files. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	140 for _, idx := range triangle {
b8da63027b48 Started to separate mesh serialisation in different files. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	141 value := idx - last
b8da63027b48 Started to separate mesh serialisation in different files. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	142 n := binary.PutVarint(buf[:], int64(value))
b8da63027b48 Started to separate mesh serialisation in different files. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	143 for p := buf[:n]; len(p) > 0; p = p[n:] {
b8da63027b48 Started to separate mesh serialisation in different files. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	144 var err error
b8da63027b48 Started to separate mesh serialisation in different files. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	145 if n, err = w.Write(p); err != nil {
b8da63027b48 Started to separate mesh serialisation in different files. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	146 return err
b8da63027b48 Started to separate mesh serialisation in different files. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	147 }
b8da63027b48 Started to separate mesh serialisation in different files. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	148 written += n
b8da63027b48 Started to separate mesh serialisation in different files. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	149 }
b8da63027b48 Started to separate mesh serialisation in different files. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	150 last = idx
b8da63027b48 Started to separate mesh serialisation in different files. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	151 }
b8da63027b48 Started to separate mesh serialisation in different files. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	152 }
b8da63027b48 Started to separate mesh serialisation in different files. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	153 log.Infof("compressed tin indices in bytes: %d (%d)\n",
b8da63027b48 Started to separate mesh serialisation in different files. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	154 written, 34len(t.Triangles))
b8da63027b48 Started to separate mesh serialisation in different files. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	155
b8da63027b48 Started to separate mesh serialisation in different files. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	156 return nil
b8da63027b48 Started to separate mesh serialisation in different files. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	157 }
5676 d56e043bbbca More code moving. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5675 diff changeset	158
d56e043bbbca More code moving. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5675 diff changeset	159 func (s STRTree) deserializeBBoxesV1(r bufio.Reader) error {
d56e043bbbca More code moving. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5675 diff changeset	160
d56e043bbbca More code moving. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5675 diff changeset	161 var numBBoxes int32
d56e043bbbca More code moving. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5675 diff changeset	162 if err := binary.Read(r, binary.LittleEndian, &numBBoxes); err != nil {
d56e043bbbca More code moving. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5675 diff changeset	163 return err
d56e043bbbca More code moving. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5675 diff changeset	164 }
d56e043bbbca More code moving. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5675 diff changeset	165
d56e043bbbca More code moving. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5675 diff changeset	166 bboxes := make([]Box2D, numBBoxes)
d56e043bbbca More code moving. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5675 diff changeset	167 s.bboxes = bboxes
d56e043bbbca More code moving. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5675 diff changeset	168
d56e043bbbca More code moving. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5675 diff changeset	169 var err error
d56e043bbbca More code moving. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5675 diff changeset	170
d56e043bbbca More code moving. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5675 diff changeset	171 read := func(v *float64) {
d56e043bbbca More code moving. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5675 diff changeset	172 if err == nil {
d56e043bbbca More code moving. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5675 diff changeset	173 err = binary.Read(r, binary.LittleEndian, v)
d56e043bbbca More code moving. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5675 diff changeset	174 }
d56e043bbbca More code moving. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5675 diff changeset	175 }
d56e043bbbca More code moving. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5675 diff changeset	176
d56e043bbbca More code moving. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5675 diff changeset	177 for i := range bboxes {
d56e043bbbca More code moving. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5675 diff changeset	178 read(&bboxes[i].X1)
d56e043bbbca More code moving. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5675 diff changeset	179 read(&bboxes[i].Y1)
d56e043bbbca More code moving. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5675 diff changeset	180 read(&bboxes[i].X2)
d56e043bbbca More code moving. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5675 diff changeset	181 read(&bboxes[i].Y2)
d56e043bbbca More code moving. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5675 diff changeset	182 }
d56e043bbbca More code moving. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5675 diff changeset	183
d56e043bbbca More code moving. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5675 diff changeset	184 return err
d56e043bbbca More code moving. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5675 diff changeset	185 }
d56e043bbbca More code moving. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5675 diff changeset	186
d56e043bbbca More code moving. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5675 diff changeset	187 func (s STRTree) deserializeIndexV1(r bufio.Reader) error {
d56e043bbbca More code moving. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5675 diff changeset	188 var numIndex int32
d56e043bbbca More code moving. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5675 diff changeset	189 if err := binary.Read(r, binary.LittleEndian, &numIndex); err != nil {
d56e043bbbca More code moving. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5675 diff changeset	190 return err
d56e043bbbca More code moving. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5675 diff changeset	191 }
d56e043bbbca More code moving. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5675 diff changeset	192 index := make([]int32, numIndex)
d56e043bbbca More code moving. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5675 diff changeset	193 s.index = index
d56e043bbbca More code moving. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5675 diff changeset	194
d56e043bbbca More code moving. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5675 diff changeset	195 var last int32
d56e043bbbca More code moving. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5675 diff changeset	196 for i := range index {
d56e043bbbca More code moving. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5675 diff changeset	197 v, err := binary.ReadVarint(r)
d56e043bbbca More code moving. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5675 diff changeset	198 if err != nil {
d56e043bbbca More code moving. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5675 diff changeset	199 return err
d56e043bbbca More code moving. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5675 diff changeset	200 }
d56e043bbbca More code moving. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5675 diff changeset	201 value := int32(v) + last
d56e043bbbca More code moving. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5675 diff changeset	202 index[i] = value
d56e043bbbca More code moving. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5675 diff changeset	203 last = value
d56e043bbbca More code moving. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5675 diff changeset	204 }
d56e043bbbca More code moving. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5675 diff changeset	205
d56e043bbbca More code moving. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5675 diff changeset	206 return nil
d56e043bbbca More code moving. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5675 diff changeset	207 }
d56e043bbbca More code moving. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5675 diff changeset	208
d56e043bbbca More code moving. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5675 diff changeset	209 func (s STRTree) deserializeV1(r bufio.Reader) error {
d56e043bbbca More code moving. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5675 diff changeset	210 s.tin = new(Tin)
d56e043bbbca More code moving. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5675 diff changeset	211 if err := s.tin.deserializeV1(r); err != nil {
d56e043bbbca More code moving. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5675 diff changeset	212 return err
d56e043bbbca More code moving. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5675 diff changeset	213 }
d56e043bbbca More code moving. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5675 diff changeset	214 var numEntries uint8
d56e043bbbca More code moving. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5675 diff changeset	215 if err := binary.Read(r, binary.LittleEndian, &numEntries); err != nil {
d56e043bbbca More code moving. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5675 diff changeset	216 return err
d56e043bbbca More code moving. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5675 diff changeset	217 }
d56e043bbbca More code moving. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5675 diff changeset	218 s.Entries = int(numEntries)
d56e043bbbca More code moving. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5675 diff changeset	219
d56e043bbbca More code moving. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5675 diff changeset	220 if err := s.deserializeIndexV1(r); err != nil {
d56e043bbbca More code moving. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5675 diff changeset	221 return err
d56e043bbbca More code moving. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5675 diff changeset	222 }
d56e043bbbca More code moving. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5675 diff changeset	223
d56e043bbbca More code moving. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5675 diff changeset	224 return s.deserializeBBoxesV1(r)
d56e043bbbca More code moving. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5675 diff changeset	225 }
d56e043bbbca More code moving. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5675 diff changeset	226
d56e043bbbca More code moving. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5675 diff changeset	227 // deserializeV1 restores a TIN from a binary representation.
d56e043bbbca More code moving. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5675 diff changeset	228 func (t Tin) deserializeV1(r bufio.Reader) error {
d56e043bbbca More code moving. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5675 diff changeset	229
d56e043bbbca More code moving. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5675 diff changeset	230 if err := binary.Read(r, binary.LittleEndian, &t.EPSG); err != nil {
d56e043bbbca More code moving. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5675 diff changeset	231 return err
d56e043bbbca More code moving. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5675 diff changeset	232 }
d56e043bbbca More code moving. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5675 diff changeset	233
d56e043bbbca More code moving. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5675 diff changeset	234 log.Infof("EPSG: %d\n", t.EPSG)
d56e043bbbca More code moving. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5675 diff changeset	235
d56e043bbbca More code moving. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5675 diff changeset	236 if err := t.Min.Read(r); err != nil {
d56e043bbbca More code moving. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5675 diff changeset	237 return err
d56e043bbbca More code moving. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5675 diff changeset	238 }
d56e043bbbca More code moving. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5675 diff changeset	239
d56e043bbbca More code moving. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5675 diff changeset	240 if err := t.Max.Read(r); err != nil {
d56e043bbbca More code moving. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5675 diff changeset	241 return err
d56e043bbbca More code moving. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5675 diff changeset	242 }
d56e043bbbca More code moving. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5675 diff changeset	243
d56e043bbbca More code moving. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5675 diff changeset	244 log.Infof("BBOX: [[%f, %f, %f], [%f, %f, %f]]\n",
d56e043bbbca More code moving. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5675 diff changeset	245 t.Min.X, t.Min.Y, t.Min.Z,
d56e043bbbca More code moving. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5675 diff changeset	246 t.Max.X, t.Max.Y, t.Max.Z)
d56e043bbbca More code moving. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5675 diff changeset	247
d56e043bbbca More code moving. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5675 diff changeset	248 var numVertices uint32
d56e043bbbca More code moving. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5675 diff changeset	249 if err := binary.Read(r, binary.LittleEndian, &numVertices); err != nil {
d56e043bbbca More code moving. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5675 diff changeset	250 return err
d56e043bbbca More code moving. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5675 diff changeset	251 }
d56e043bbbca More code moving. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5675 diff changeset	252
d56e043bbbca More code moving. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5675 diff changeset	253 log.Infof("vertices: %d\n", numVertices)
d56e043bbbca More code moving. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5675 diff changeset	254
d56e043bbbca More code moving. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5675 diff changeset	255 vertices := make([]Vertex, numVertices)
d56e043bbbca More code moving. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5675 diff changeset	256 t.Vertices = vertices
d56e043bbbca More code moving. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5675 diff changeset	257
d56e043bbbca More code moving. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5675 diff changeset	258 for i := range vertices {
d56e043bbbca More code moving. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5675 diff changeset	259 if err := vertices[i].Read(r); err != nil {
d56e043bbbca More code moving. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5675 diff changeset	260 return err
d56e043bbbca More code moving. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5675 diff changeset	261 }
d56e043bbbca More code moving. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5675 diff changeset	262 }
d56e043bbbca More code moving. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5675 diff changeset	263
d56e043bbbca More code moving. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5675 diff changeset	264 var numTriangles uint32
d56e043bbbca More code moving. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5675 diff changeset	265 if err := binary.Read(r, binary.LittleEndian, &numTriangles); err != nil {
d56e043bbbca More code moving. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5675 diff changeset	266 return err
d56e043bbbca More code moving. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5675 diff changeset	267 }
d56e043bbbca More code moving. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5675 diff changeset	268
d56e043bbbca More code moving. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5675 diff changeset	269 log.Infof("triangles: %d\n", numTriangles)
d56e043bbbca More code moving. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5675 diff changeset	270
d56e043bbbca More code moving. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5675 diff changeset	271 indices := make([]int32, 3*numTriangles)
d56e043bbbca More code moving. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5675 diff changeset	272 triangles := make([][]int32, numTriangles)
d56e043bbbca More code moving. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5675 diff changeset	273 t.Triangles = triangles
d56e043bbbca More code moving. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5675 diff changeset	274
d56e043bbbca More code moving. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5675 diff changeset	275 var last int32
d56e043bbbca More code moving. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5675 diff changeset	276
d56e043bbbca More code moving. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5675 diff changeset	277 for i := range triangles {
d56e043bbbca More code moving. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5675 diff changeset	278 tri := indices[:3]
d56e043bbbca More code moving. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5675 diff changeset	279 indices = indices[3:]
d56e043bbbca More code moving. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5675 diff changeset	280 triangles[i] = tri
d56e043bbbca More code moving. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5675 diff changeset	281 for j := range tri {
d56e043bbbca More code moving. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5675 diff changeset	282 v, err := binary.ReadVarint(r)
d56e043bbbca More code moving. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5675 diff changeset	283 if err != nil {
d56e043bbbca More code moving. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5675 diff changeset	284 return err
d56e043bbbca More code moving. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5675 diff changeset	285 }
d56e043bbbca More code moving. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5675 diff changeset	286 value := int32(v) + last
d56e043bbbca More code moving. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5675 diff changeset	287 tri[j] = value
d56e043bbbca More code moving. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5675 diff changeset	288 last = value
d56e043bbbca More code moving. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5675 diff changeset	289 }
d56e043bbbca More code moving. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5675 diff changeset	290 }
d56e043bbbca More code moving. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5675 diff changeset	291
d56e043bbbca More code moving. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5675 diff changeset	292 return nil
d56e043bbbca More code moving. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5675 diff changeset	293 }

Mercurial > gemma

annotate pkg/mesh/meshserialize_v1.go @ 5688:6281c18b109f sr-v2