' Membaca Citra Dim Buffer(5228, 1269) As Single Open "K:\Visual_Basic\Data\darisurfer6" For Binary Access Read As #1

Transkripsi

1 Daftar Pustaka Amhar, Fahmi Mengenal Ortofoto Sejati dan Model Kota 3D, Survey dan Pemetaan, Vol XII No 5, Oktober 1999,. ITB. Bandung. Indonesia, hal ERDAS Fifth edition, Revised, Expanded, Field Guide. Atlanta, Georgia. USA. Herman, Yuliana Kajian Ketelitian Planimetrik Citra Satelit Quickbird Dalam Memproduksi Peta Garis Skala Besar. Tugas Akhir, FTSL, ITB. Bandung. Indonesia Hikmat, Agus, Fahmi Amhar, Saeful Rachman, Analisis Penggunaan Metode Interpolasi Moving (Weighted) Averages, Survey dan Pemetaan, Vol XII No 5, Oktober 1999, ITB. Bandung. Indonesia, hal Purnamawati, Indry Pertimbangan Akuisisi Data 3D Untuk Peta Kota 3D Dari Foto, Tugas Akhir, FTSL, ITB. Bandung. Indonesia Santoso, Bobby Pengantar Fotogrametri. Penerbit ITB. Bandung. Indonesia. Sujatmiko, Opisar Penerapan Overlay Dalam Analisis Nilai Tanah Pedesaan Menuju Sistem Informasi Pertanahan Daerah Pedesaan, Tugas Akhir. ITB. Bandung. Indonesia. Wolf, P. R Elemen Fotogrametri. Gadjah Mada University Press. Yogyakarta. Indonesia. xii

2 1. Modul Metode Nearest Neighbor Private Sub Form_Load() Dim Xo As Single Dim Yo As Single Dim XaUTM As Single Dim YaUTM As Single Dim ResX As Single Dim ResY As Single Dim XaPixel As Long Dim YaPixel As Long Dim TinggiGedungFoto As Single Dim TinggiDTM As Single Dim Panjang_Citra As Integer Dim Lebar_Citra As Integer Dim DeltaH As Single ' Membaca Citra Dim Buffer(5228, 1269) As Single Open "K:\Visual_Basic\Data\darisurfer6" For Binary Access Read As #1 Panjang_Citra = 18 Lebar_Citra = 21 For i = 0 To Panjang_Citra - 1 For j = 0 To Lebar_Citra - 1 Get #1,, Buffer(i, j) Next j Next i 'Untuk menutup file Close #1 Xo = Yo = ResX = 50# ResY = 50# txtxo.text = Xo txtyo.text = Yo txtresx.text = ResX txtresy.text = ResY Panjang.Text = Panjang_Citra Lebar.Text = Lebar_Citra L- 1

3 Dim X As Double Dim Y As Double Dim IDGD As Integer Dim JmlhPojok As Integer Open "K:\Visual_Basic\Data\Input.txt" For Input As #2 Open "K:\Visual_Basic\Hasil\Hasil_NearestNeighbour.txt" For Output As #5 Do While Not EOF(2) ' Loop until end of file. Input #2, IDGD, JmlhPojok Write #5, IDGD, JmlhPojok For i = 1 To JmlhPojok Input #2, X, Y, TinggiGedungFoto XaUTM = X YaUTM = Y txtxautm.text = XaUTM txtyautm.text = YaUTM txttinggigedungfoto.text = TinggiGedungFoto TinggiGedungFoto = txttinggigedungfoto.text txtxapixel.text = Round((XaUTM - Xo) / ResX) txtyapixel.text = Round((Yo - YaUTM) / ResY) txttinggidtm.text = Buffer(txtXaPixel.Text, txtyapixel.text) txttinggigedung.text = txttinggigedungfoto.text - txttinggidtm.text TinggiDTM = txttinggidtm.text DeltaH = txttinggigedung.text Write #5, X, Y, TinggiGedungFoto, TinggiDTM, DeltaH Next i Loop Close #5 Close #2 Close #1 End Sub L- 2

4 2. Modul Metode Cubic Interpolation Private Sub Form_Load() Dim Xo As Single Dim Yo As Single Dim XaUTM As Single Dim YaUTM As Single Dim ResX As Single Dim ResY As Single Dim XaPixel As Long Dim YaPixel As Long Dim TinggiGedungFoto As Double Dim TinggiDTM As Single Dim Panjang_Citra As Integer Dim Lebar_Citra As Integer Dim DeltaH As Single 'Membaca citra Dim Buffer(5228, 1269) As Single Open "K:\Visual_Basic\Data\darisurfer6" For Binary Access Read As #1 Panjang_Citra = 18 Lebar_Citra = 21 For i = 0 To Panjang_Citra - 1 For j = 0 To Lebar_Citra - 1 Get #1,, Buffer(i, j) Next j Next i 'Untuk menutup file Close #1 Xo = Yo = ResX = 50# ResY = 50# txtxo.text = Xo txtyo.text = Yo txtresx.text = ResX txtresy.text = ResY Panjang.Text = Panjang_Citra Lebar.Text = Lebar_Citra L- 3

5 'Pembacaan data input/output Dim X As Double Dim Y As Double Dim IDGD As Integer Dim JmlhPojok As Integer Open "K:\Visual_Basic\Data\Input.txt" For Input As #2 Open "K:\Visual_Basic\Hasil\Hasil_Cubic.txt" For Output As #5 'Loop until end of file Do While Not EOF(2) Input #2, IDGD, JmlhPojok Write #5, IDGD, JmlhPojok For i = 1 To JmlhPojok Input #2, X, Y, TinggiGedungFoto XaUTM = X YaUTM = Y txtxautm.text = XaUTM txtyautm.text = YaUTM txttinggigedungfoto.text = TinggiGedungFoto TinggiGedungFoto = txttinggigedungfoto.text txtxapixel.text = (XaUTM - Xo) / ResX txtyapixel.text = (Yo - YaUTM) / ResY 'Pendefinisian letak jatuhnya titik objek di piksel Dim Nx, Ny As Variant Dim posisi1, posisi2, posisi3, posisi4 As Integer Dim rangex, rangey As Integer rangex = Mid(txtXaPixel, InStr(txtXaPixel, ".")) rangey = Mid(txtYaPixel, InStr(txtYaPixel, ".")) Nx = Split(Str(txtXaPixel), ".") Ny = Split(Str(txtYaPixel), ".") If rangex < 0.5 Then posisi1 = Nx(0) posisi2 = Nx(0) + 1 Text1.Text = posisi1 Text2.Text = posisi2 Else posisi1 = Nx(0) + 1 L- 4

6 posisi2 = Nx(0) + 2 Text1.Text = posisi1 Text2.Text = posisi2 End If If rangey < 0.5 Then posisi3 = Ny(0) posisi4 = Ny(0) + 1 Text3.Text = posisi3 Text4.Text = posisi4 Else posisi3 = Ny(0) + 1 posisi4 = Ny(0) + 2 Text3.Text = posisi3 Text4.Text = posisi4 End If 'Pendefisinian koordinat tengah tiap posisi pixel Dim Xp1, Yp1, Xp2, Yp2, Xp3, Yp3, Xp4, Yp4 As Single Dim Z1, Z2, Z3, Z4 As Integer Dim Xap, Yap As Integer Dim dx1, dy1, dx2, dy2, dx3, dy3, dx4, dy4, D As Single Xp1 = posisi1-0.5 Yp1 = posisi3-0.5 Xp2 = posisi2-0.5 Yp2 = posisi3-0.5 Xp3 = posisi1-0.5 Yp3 = posisi4-0.5 Xp4 = posisi2-0.5 Yp4 = posisi4-0.5 Z1 = Buffer(Xp1, Yp1) Z2 = Buffer(Xp2, Yp2) Z3 = Buffer(Xp3, Yp3) Z4 = Buffer(Xp4, Yp4) Xap = txtxapixel.text Yap = txtyapixel.text D = txtresx.text D = txtresy.text dx1 = Abs(Xap - Xp1) * 50 dy1 = Abs(Yap - Yp1) * 50 dx2 = Abs(Xap - Xp2) * 50 dy2 = Abs(Yap - Yp2) * 50 dx3 = Abs(Xap - Xp3) * 50 L- 5

7 dy3 = Abs(Yap - Yp3) * 50 dx4 = Abs(Xap - Xp4) * 50 dy4 = Abs(Yap - Yp4) * 50 Next i Loop Close #5 Close #2 Close #1 End Sub txttinggidtm.text = (((D - dx1) * (D - dy1) * Z1) + ((D - dx2) * (D - dy2) * Z2) + ((D - dx3) * (D - dy3) * Z3) + ((D - dx4) * (D - dy4) * Z4)) / D ^ 2 txttinggigedung.text = txttinggigedungfoto.text - txttinggidtm.text TinggiDTM = txttinggidtm.text DeltaH = txttinggigedung.text Write #5, X, Y, TinggiGedungFoto, TinggiDTM, DeltaH 3. Modul Metode BiCubic Interpolation Private Sub Form_Load() Dim Xo As Single Dim Yo As Single Dim XaUTM As Single Dim YaUTM As Single Dim ResX As Single Dim ResY As Single Dim XaPixel As Long Dim YaPixel As Long Dim TinggiGedungFoto As Double Dim TinggiDTM As Single Dim Panjang_Citra As Integer Dim Lebar_Citra As Integer Dim DeltaH As Single 'Membaca citra Dim Buffer(5228, 1269) As Single L- 6

8 Open "K:\Visual_Basic\Data\darisurfer6" For Binary Access Read As #1 Panjang_Citra = 18 Lebar_Citra = 21 For i = 0 To Panjang_Citra - 1 For J = 0 To Lebar_Citra - 1 Get #1,, Buffer(i, J) Next J Next i 'Untuk menutup file Close #1 Xo = Yo = ResX = 50# ResY = 50# txtxo.text = Xo txtyo.text = Yo txtresx.text = ResX txtresy.text = ResY Panjang.Text = Panjang_Citra Lebar.Text = Lebar_Citra 'Pembacaan data input/output Dim X As Double Dim Y As Double Dim IDGD As Integer Dim JmlhPojok As Integer Open "K:\Visual_Basic\Data\Input.txt" For Input As #2 Open "K:\Visual_Basic\Hasil\Hasil_BiCubic.txt" For Output As #5 'Loop until end of file Do While Not EOF(2) Input #2, IDGD, JmlhPojok Write #5, IDGD, JmlhPojok For i = 1 To JmlhPojok Input #2, X, Y, TinggiGedungFoto XaUTM = X YaUTM = Y txtxautm.text = XaUTM L- 7

9 txtyautm.text = YaUTM txttinggigedungfoto.text = TinggiGedungFoto TinggiGedungFoto = txttinggigedungfoto.text txtxapixel.text = (XaUTM - Xo) / ResX txtyapixel.text = (Yo - YaUTM) / ResY 'Pendefinisian letak jatuhnya titik objek di piksel Dim Nx, Ny As Variant Dim posisi1, posisi2, posisi3, posisi4 As Integer Dim rangex, rangey As Integer rangex = Mid(txtXaPixel, InStr(txtXaPixel, ".")) rangey = Mid(txtYaPixel, InStr(txtYaPixel, ".")) Nx = Split(Str(txtXaPixel), ".") Ny = Split(Str(txtYaPixel), ".") If rangex < 0.5 Then posisi1 = Nx(0) posisi2 = Nx(0) + 1 Text1.Text = posisi1 Text2.Text = posisi2 Else posisi1 = Nx(0) + 1 posisi2 = Nx(0) + 2 Text1.Text = posisi1 Text2.Text = posisi2 End If If rangey < 0.5 Then posisi3 = Ny(0) posisi4 = Ny(0) + 1 Text3.Text = posisi3 Text4.Text = posisi4 Else posisi3 = Ny(0) + 1 posisi4 = Ny(0) + 2 Text3.Text = posisi3 Text4.Text = posisi4 End If 'Pendefisinian koordinat tengah tiap posisi pixel Dim Xp1, Yp1, Xp2, Yp2, Xp3, Yp3, Xp4, Yp4, Xp5, Yp5, Xp6, Yp6, Xp7, Yp7, Xp8, Yp8, Xp9, Yp9, Xp10, Yp10, Xp11, Yp11, Xp12, Yp12, Xp13, Yp13, Xp14, Yp14, Xp15, Yp15, Xp16, Yp16 As Single Dim Z1, Z2, Z3, Z4, Z5, Z6, Z7, Z8, Z9, Z10, Z11, Z12, Z13, Z14, Z15, Z16 As Integer Dim Xap, Yap As Integer L- 8

10 Dim L1, L2, L3, L4, L5, L6, L7, L8, L9, L10, L11, L12, L13, L14, L15, L16, L As Single Dim W1, W2, W3, W4, W5, W6, W7, W8, W9, W10, W11, W12, W13, W14, W15, W16, W As Single Xp1 = posisi1-0.5 Yp1 = posisi3-0.5 Xp2 = posisi2-0.5 Yp2 = posisi3-0.5 Xp3 = posisi1-0.5 Yp3 = posisi4-0.5 Xp4 = posisi2-0.5 Yp4 = posisi4-0.5 Xp5 = posisi1-1.5 Yp5 = posisi3-1.5 Xp6 = posisi2-1.5 Yp6 = posisi3-1.5 Xp7 = posisi Yp7 = posisi4-2.5 Xp8 = posisi Yp8 = posisi4-2.5 Xp9 = posisi1-1.5 Yp9 = posisi3-0.5 Xp10 = posisi Yp10 = posisi3-0.5 Xp11 = posisi1-1.5 Yp11 = posisi4-0.5 Xp12 = posisi Yp12 = posisi4-0.5 Xp13 = posisi1-1.5 Yp13 = posisi Xp14 = posisi2-1.5 Yp14 = posisi Xp15 = posisi Yp15 = posisi Xp16 = posisi Yp16 = posisi Z1 = Buffer(Xp1, Yp1) Z2 = Buffer(Xp2, Yp2) Z3 = Buffer(Xp3, Yp3) Z4 = Buffer(Xp4, Yp4) Z5 = Buffer(Xp5, Yp5) Z6 = Buffer(Xp6, Yp6) Z7 = Buffer(Xp7, Yp7) Z8 = Buffer(Xp8, Yp8) Z9 = Buffer(Xp9, Yp9) L- 9

11 Z10 = Buffer(Xp10, Yp10) Z11 = Buffer(Xp11, Yp11) Z12 = Buffer(Xp12, Yp12) Z13 = Buffer(Xp13, Yp13) Z14 = Buffer(Xp14, Yp14) Z15 = Buffer(Xp15, Yp15) Z16 = Buffer(Xp16, Yp16) Xap = txtxapixel.text Yap = txtyapixel.text D = txtresx.text D = txtresy.text L1 = (((Xap - Xp1) ^ 2 + (Yap - Yp1) ^ 2) ^ 0.5) L2 = (((Xap - Xp2) ^ 2 + (Yap - Yp2) ^ 2) ^ 0.5) L3 = (((Xap - Xp3) ^ 2 + (Yap - Yp3) ^ 2) ^ 0.5) L4 = (((Xap - Xp4) ^ 2 + (Yap - Yp4) ^ 2) ^ 0.5) L5 = (((Xap - Xp5) ^ 2 + (Yap - Yp5) ^ 2) ^ 0.5) L6 = (((Xap - Xp6) ^ 2 + (Yap - Yp6) ^ 2) ^ 0.5) L7 = (((Xap - Xp7) ^ 2 + (Yap - Yp7) ^ 2) ^ 0.5) L8 = (((Xap - Xp8) ^ 2 + (Yap - Yp8) ^ 2) ^ 0.5) L9 = (((Xap - Xp9) ^ 2 + (Yap - Yp9) ^ 2) ^ 0.5) L10 = (((Xap - Xp10) ^ 2 + (Yap - Yp10) ^ 2) ^ 0.5) L11 = (((Xap - Xp11) ^ 2 + (Yap - Yp11) ^ 2) ^ 0.5) L12 = (((Xap - Xp12) ^ 2 + (Yap - Yp12) ^ 2) ^ 0.5) L13 = (((Xap - Xp13) ^ 2 + (Yap - Yp13) ^ 2) ^ 0.5) L14 = (((Xap - Xp14) ^ 2 + (Yap - Yp14) ^ 2) ^ 0.5) L15 = (((Xap - Xp15) ^ 2 + (Yap - Yp15) ^ 2) ^ 0.5) L16 = (((Xap - Xp16) ^ 2 + (Yap - Yp16) ^ 2) ^ 0.5) L = L1 + L2 + L3 + L4 + L5 + L6 + L7 + L8 + L9 + L10 + L11 + L12 + L13 + L14 + L15 + L16 W1 = L1 / L W2 = L2 / L W3 = L3 / L W4 = L4 / L W5 = L5 / L W6 = L6 / L W7 = L7 / L W8 = L8 / L W9 = L9 / L W10 = L10 / L W11 = L11 / L W12 = L12 / L W13 = L13 / L W14 = L14 / L W15 = L15 / L W16 = L16 / L L- 10

12 W = W1 + W2 + W3 + W4 + W5 + W6 + W7 + W8 + W9 + W10 + W11 + W12 + W13 + W14 + W15 + W16 txttinggidtm.text = ((Z1 * W1) / (Z2 * W2) + (Z3 * W3) + (Z4 * W4) + (Z5 * W5) + (Z6 * W6) + (Z7 * W7) + (Z8 * W8) + (Z9 * W9) + (Z10 * W10) + (Z11 * W11) + (Z12 * W12) + (Z13 * W13) + (Z14 * Wd14) + (Z15 * W15) + (Z16 * W16)) txttinggigedung.text = txttinggigedungfoto.text - txttinggidtm.text TinggiDTM = txttinggidtm.text Next i Loop Close #2 Close #1 End Sub DeltaH = txttinggigedung.text Write #5, X, Y, TinggiGedungFoto, TinggiDTM, DeltaH L- 11