Oh maaf saya tdk tahu beliau ahli geodesi. Setahu saya ditahun 1990an hampir semua software mapping manapun program utk mengkonversi dari satu sistem kordinat ke sistim lainnya sdh tersedia Pernah iseng2 menkonversi sistim kordinat suatu map dari Bessel 1842 ke WGS74 lalu ke WGS82 dgn mudah dan cepat. Betul tidaknya hanya orang geodesi yg tahu. Tapi Percaya aja deh kan mereka ahlinya.
Jadi menurut saya apapun sistem kordinatnya....... minumnya tetap teh botol.???maksud saya tak usah khawatir gitu loh. Witan -------------------------- Sent from my BlackBerry Wireless Handheld, Hosted by Petrodata System -----Original Message----- From: Nur Darodjat <[EMAIL PROTECTED]> To: [email protected] <[email protected]> Sent: Mon Jan 02 11:48:41 2006 Subject: RE: [iagi-net-l] coordinate system Kang, Sebenarnya sudah ada yang komentar dari Alumni Geodesi ITB di diskusi ini,, Ayo kang Harry ditambah lagi komentarnya, biar lebih jelas buat semuanya Nur -----Original Message----- From: Witan Ardjakusumah [mailto:[EMAIL PROTECTED] Sent: Monday, January 02, 2006 10:59 AM To: [email protected] Subject: Re: [iagi-net-l] coordinate system Kayaknya kita perlu ahli geodesi utk mencerahkan diskusi ini, kalau tak salah ada salah satu pakarnya di milis HAGI ( pak Rais?) Witan -------------------------- Sent from my BlackBerry Wireless Handheld, Hosted by Petrodata System -----Original Message----- From: [EMAIL PROTECTED] <[EMAIL PROTECTED]> To: [email protected] <[email protected]> Sent: Mon Jan 02 10:26:21 2006 Subject: RE: [iagi-net-l] coordinate system System proyeksi yang umum dipakai dan mejaga bentuk paling baik adalah UTM. Karena Indonesia bujurnya terbentang 45 derajat terpaksa dibagi jadi 45/6 = 7 zone mestinya, karena zonanya UTM itu 6 derajat .... Yang saya tahu kami di Bpn pakai zone ke 50 UTM Berhubung karena pada awalnya penzonaan si UTM ini pakai derajat maka dia tergantung pada long lat tertentu, artinya dia harus mengacu pada ellipsoid dan datum tertentu. Jadi hati hati, UTM maupun long lat tergantung pada ellipsoid dan datum yang dipakai. Gicu ceunah ....... |---------+----------------------------> | | "Bambang Murti" | | | <[EMAIL PROTECTED]> | | | | | | 02/01/2006 10:21 | | | AM | | | Please respond to| | | iagi-net | | | | |---------+----------------------------> >--------------------------------------------------------------------------- ----------------------------------------| | | | To: <[email protected]> | | cc: | | Subject: RE: [iagi-net-l] coordinate system | >--------------------------------------------------------------------------- ----------------------------------------| Bisa aja Frans, cuman jangan kaget kalau ntar Sumatrah dan Papuah jadi mengkeret. Tinggal mau naruh Central Meridian-nya dimana he he he .. -----Original Message----- From: Franciscus B Sinartio [mailto:[EMAIL PROTECTED] Sent: Sunday, January 01, 2006 8:35 AM To: [email protected] Subject: Re: [iagi-net-l] coordinate system ( was RE: [iagi-net-l] need koordinat tambang freeport) Hallo semuanya, saya mau nanya pertanyaan yang sangat sederhana. apakah pemakaian satu sistem projeksi bisa dipakai untuk wilayah Indonesia yang terbentang lebih dari 45 derajat bujur (ini bahasa Indonesia loh, bukan bahasa Sunda). fbs nb: Sunu, kumpeni mu sekarang mau beli tambang logam ya? tidak cost recovery loh ke Lapindo (he... he...) --------------------------------------------------------------------- To unsubscribe, send email to: iagi-net-unsubscribe[at]iagi.or.id To subscribe, send email to: iagi-net-subscribe[at]iagi.or.id Visit IAGI Website: http://iagi.or.id IAGI-net Archive 1: http://www.mail-archive.com/iagi-net%40iagi.or.id/ IAGI-net Archive 2: http://groups.yahoo.com/group/iagi Komisi Sedimentologi (FOSI) : Ratna Asharina (Ratna.Asharina[at]santos.com)-http://fosi.iagi.or.id Komisi SDM/Pendidikan : Edy Sunardi(sunardi[at]melsa.net.id) Komisi Karst : Hanang Samodra(hanang[at]grdc.dpe.go.id) Komisi Sertifikasi : M. 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