Daftar Pustaka
http://www.mail-archive.com/programmer-vb@yahoogroups.com/msg13645.html
Amhar, Fahmi. 1999. Mengenal Ortofoto Sejati dan Model Kota 3D, Survey dan Pemetaan, Vol XII No 5, Oktober 1999, . ITB. Bandung. Indonesia, hal 41-50.
ERDAS. 1999. Fifth edition, Revised, Expanded, Field Guide. Atlanta, Georgia. USA.
Herman, Yuliana. 2005. Kajian Ketelitian Planimetrik Citra Satelit Quickbird Dalam Memproduksi Peta Garis Skala Besar. Tugas Akhir, FTSL, ITB. Bandung. Indonesia Hikmat, Agus, Fahmi Amhar, Saeful Rachman, 1999. Analisis Penggunaan Metode Interpolasi
Moving (Weighted) Averages, Survey dan Pemetaan, Vol XII No 5, Oktober 1999, ITB. Bandung. Indonesia, hal 1-12.
Purnamawati, Indry. 2005. Pertimbangan Akuisisi Data 3D Untuk Peta Kota 3D Dari Foto, Tugas Akhir, FTSL, ITB. Bandung. Indonesia
Santoso, Bobby. 2001. Pengantar Fotogrametri. Penerbit ITB. Bandung. Indonesia.
Sujatmiko, Opisar. 1988. Penerapan Overlay Dalam Analisis Nilai Tanah Pedesaan Menuju Sistem Informasi Pertanahan Daerah Pedesaan, Tugas Akhir. ITB. Bandung. Indonesia. Wolf, P. R. 1995. Elemen Fotogrametri. Gadjah Mada University Press. Yogyakarta. Indonesia.
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 = 787820.849999 Yo = 9238465.29411 ResX = 50# ResY = 50# txtXo.Text = Xo txtYo.Text = Yo txtResX.Text = ResX txtResY.Text = ResY Panjang.Text = Panjang_Citra Lebar.Text = Lebar_Citra
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
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 = 787820.849999 Yo = 9238465.29411 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_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
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
dY3 = Abs(Yap - Yp3) * 50 dX4 = Abs(Xap - Xp4) * 50 dY4 = Abs(Yap - Yp4) * 50
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 Next i Loop Close #5 Close #2 Close #1 End Sub
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
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 = 787820.849999 Yo = 9238465.29411 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
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 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 = posisi1 + 0.5 Yp7 = posisi4 - 2.5 Xp8 = posisi2 + 0.5 Yp8 = posisi4 - 2.5 Xp9 = posisi1 - 1.5 Yp9 = posisi3 - 0.5 Xp10 = posisi2 + 0.5 Yp10 = posisi3 - 0.5 Xp11 = posisi1 - 1.5 Yp11 = posisi4 - 0.5 Xp12 = posisi2 + 0.5 Yp12 = posisi4 - 0.5 Xp13 = posisi1 - 1.5 Yp13 = posisi3 + 1.5 Xp14 = posisi2 - 1.5 Yp14 = posisi3 + 1.5 Xp15 = posisi1 + 0.5 Yp15 = posisi4 + 0.5 Xp16 = posisi2 + 0.5 Yp16 = posisi4 + 0.5 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)
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
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
DeltaH = txtTinggiGedung.Text
Write #5, X, Y, TinggiGedungFoto, TinggiDTM, DeltaH Next i Loop Close #2 Close #1 End Sub
