ix
DAFTAR ISI
HALAMAN JUDUL ............................................................................................ i LEMBAR PENGESAHAN PEMBIMBING ........ Error! Bookmark not defined. LEMBAR PENGESAHAN PENGUJI ................. Error! Bookmark not defined. HALAMAN PERSEMBAHAN ........................................................................... ii MOTTO............................................................................................................... v KATA PENGANTAR ........................................................................................ vi ABSTRAK ....................................................................................................... viii DAFTAR ISI ...................................................................................................... ix DAFTAR GAMBAR ......................................................................................... xii DAFTAR TABEL ............................................................................................ xiv BAB I PENDAHULUAN .................................................................................... 1 1.1.
Latar Belakang ................................................................................... 1
1.2.
Rumusan Masalah .............................................................................. 2
1.3.
Batasan Masalah ................................................................................ 2
1.4.
Tujuan Tugas Akhir ........................................................................... 2
1.5.
Manfaat Tugas Akhir.......................................................................... 2
1.6.
Sistematika Penulisan ......................................................................... 3
BAB II LANDASAN TEORI .............................................................................. 4 2.1. 2.1.1. 2.2.
Reverse Engineering .......................................................................... 4 3D Laser Scanning .......................................................................... 5 Laser .................................................................................................. 7
2.2.1.
Laser Pointer .................................................................................. 8
2.2.2.
Jenis Laser Pointer .......................................................................... 9
2.3.
Pengaruh Warna terhadap Intensitas Sinar Laser .............................. 11
2.4.
Camcorder ....................................................................................... 12
2.5.
Citra Digital ..................................................................................... 13
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2.6.
Video ............................................................................................... 13
2.7.
Xilsoft Video Converter ................................................................... 14
2.8.
Free Video to JPG Converter ............................................................ 14
2.9.
Img2CAD ........................................................................................ 15
2.10.
Dasar-dasar Gambar 3-D pada CAD ................................................. 16
2.11.
Proses Pembentukan 3-D pada CAD ................................................ 17
2.12.
AutoCAD ......................................................................................... 18
2.13.
Basis Data CAD ............................................................................... 18
2.14.
PowerSHAPE................................................................................... 19
BAB III METODOLOGI PENELITIAN............................................................ 21 3.1.
Diagram Alir Perancangan ............................................................... 21
3.2.
Kriteria Pemilihan Objek Perancangan ............................................. 22
3.3.
Setting Peralatan Scan ...................................................................... 23
3.4.
Pemilihan Jenis Laser ....................................................................... 24
3.5.
Pemilihan Tabung Gelas Kaca .......................................................... 24
3.6.
Batang Gelas Kaca ........................................................................... 25
3.7.
Meja Putar........................................................................................ 26
3.8.
Pengambilan Data ............................................................................ 27
3.9.
Pengolahan Data pada Software Converter ....................................... 29
3.10.
Rekonstruksi pada Software CAD .................................................... 30
BAB IV PEMBAHASAN .................................................................................. 31 4.1.
Langkah Awal dalam Pengambilan Data .......................................... 31
4.1.1.
Penentuan Objek Perancangan ...................................................... 31
4.1.2.
Penyusunan dan Pemasangan Peralatan Scan ................................ 32
4.1.3.
Pengambilan Data pada Objek Perancangan .................................. 33
4.2.
Pengolahan Data Video kedalam Gambar ......................................... 36
4.2.1.
Pengolahan Video menjadi Per-frame ........................................... 36
4.2.2.
Pengolahan Video menjadi Setiap Detik ....................................... 37
4.2.3.
Pengolahan Video menjadi Setiap Frame ...................................... 39
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4.3.
Konversi Video ................................................................................ 40
4.4.
Pembuatan Vektor ............................................................................ 41
4.5.
Perpindahan Data Antar Software CAD ............................................ 46
4.6.
Pengolahan Data pada Software CAD............................................... 46
4.6.1.
Pengolahan Data pada AutoCAD .................................................. 47
4.7.
Pengolahan Data pada PowerSHAPE ............................................... 50
4.8.
Kelebihan dan Kekurangan Laser Scanning ...................................... 53
BAB V PENUTUP ............................................................................................ 55 5.1.
Kesimpulan ...................................................................................... 55
5.2.
Saran ................................................................................................ 56
DAFTAR PUSTAKA ........................................................................................ 57 LAMPIRAN ...................................................................................................... 59
xii
DAFTAR GAMBAR
Gambar 2.1. Kamera vivid dan Prinsip Kerjanya ................................................ 5 Gambar 2.2. Skema kedudukan kamera vivid dalam reverse engineering ........... 6 Gambar 2.3. Gambaran tentang laser scanning ................................................... 7 Gambar 2.4. Sinar Laser ..................................................................................... 8 Gambar 2.5. Spesifikasi teknik Laser Pointer...................................................... 9 Gambar 2.6. Jenis laser pointer berdasarkan warna .......................................... 10 Gambar 2.7. camcorder sony DCR-SR47 ......................................................... 13 Gambar 2.8. Tampilan umum software xilsoft video converter. ........................ 14 Gambar 2.9. Tampilan software Img2CAD....................................................... 15 Gambar 2.10. Beberapa bentuk wire-frame yang rancu ..................................... 16 Gamabr 2.11. Tampilan umum AutoCAD ........................................................ 18 Gambar 2.12. Data pada software CAD ............................................................ 19 Gambar 2.13. Tampilan umum software PowerSHAPE. ................................... 20 Gambar 3.1. Diagram Alir Perancangan ........................................................... 21 Gambar 3.2. Kriteria Objek Penelitian .............................................................. 22 Gambar 3.3. Mensejajarkan antara tali dengan pemutar benda dan Laser .......... 23 Gambar 3.4. Ilustrasi Proses pembiasan sinar laser ........................................... 26 Gambar 3.5. Meja putar. ................................................................................... 27 Gambar 3.6. Peletakkan benda kerja pada lilin mainan ..................................... 28 Gambar 3.7. Hasil rekonstruksi......................................................................... 30 Gambar 3.8. Surface primitif dan Surface hasil rekonstruksi ............................. 30 Gambar 4.1. Objek scanning sebelum dan sesudah pewarnaan ......................... 32 Gambar 4.2. Pemasangan gelas dan laser pada alat pemegang .......................... 32 Gambar 4.3. Skema Set-up peralatan Laser Scanner. ........................................ 33 Gambar 4.4. Proses konversi total frame pada software .................................... 36 Gambar 4.5. Hasil konversi video menjadi gambar total frame ......................... 37 Gambar 4.6. Proses konversi setiap detik pada software ................................... 38 Gambar 4.7. Hasil konversi video menjadi gambar setiap detik ........................ 38
xiii
Gambar 4.8. Proses konversi setiap frame pada software .................................. 39 Gambar 4.9.Hasil konversi video menjadi gambar setiap frame ....................... 40 Gambar 4.10. Tampilan umum dan pengaturan pada software img2CAD ......... 41 Gambar 4.11. Proses pembuatan vektor pada guci ............................................ 42 Gambar 4.12. Proses pembuatan vektor pada pipa paralon ................................ 42 Gambar 4.13. Proses pembuatan vektor ke-1 pada mika sein ............................ 43 Gambar 4.14. Vektor ke-2 dan ke-3 .................................................................. 43 Gambar 4.15. Vektor ke-4 dan ke-5 .................................................................. 44 Gambar 4.16. Vektor ke-6 dan ke-7 .................................................................. 44 Gambar 4.17. Vektor ke-8 dan ke-9 .................................................................. 44 Gambar 4.18. Vektor ke-10 dan ke-11 .............................................................. 45 Gambar 4.19. Vektor ke-12 dan ke-13 .............................................................. 45 Gambar 4.20. Transfer antar software CAD ...................................................... 46 Gambar 4.21. Proses running file vektor ........................................................... 47 Gambar 4.22. File wblock dan hasil rekonstruksi .............................................. 48 Gambar 4.23. Proses running vektor pada pipa paralon..................................... 48 Gambar 4.24. File wblock dan hasil rekonstruksi .............................................. 49 Gambar 4.25. Susunan vektor yang di-running pada AutoCAD ........................ 49 Gambar 4.26. Hasil rekonstruksi pada mika sein sepeda motor ......................... 50 Gambar 4.27. Proses pembuatan surface pada guci ........................................... 50 Gambar 4.28. Proses pembuatan kurva ............................................................. 51 Gambar 4.29. Proses pembuatan surface pada pipa paralon .............................. 51 Gambar 4.30. Proses pembuatan surface pada mika sein................................... 52 Gambar 4.31. Hasil akhir surface ..................................................................... 53
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DAFTAR TABEL
Tabel 2.1. Pengaruh warna permukaan terhadap intensitas sinar laser ................ 11 Tabel 3.1. Karakteristik Laser Pointer Warna Merah ......................................... 24 Tabel 3.2. Kriteria gelas wine sebagai alat pembias cahaya ............................... 25 Tabel 4.2. Data ukuran dari setting peralatan scan. ............................................ 33 Tabel 4.3. Hasil pengambilan data pada guci kecil ............................................. 34 Tabel 4.4. Hasil pengambilan data pada Paralon ................................................ 34 Tabel 4.5. Hasil pengambilan data pada sein sepedamotor ................................. 35
