MAGEONC system user`s manual, third edition, 1987
Contents
1. 9 gt 17 18 18 20 22 CHAPTER 6 MAGEONC UTILITIES 6 1 TOOL PROCEDURE e e 6 2 MGD77 PROCEDURE ees APPENDIX A FILE DESCRIPTIONS APPENDIX B ISIS KEYBOARD FUNCTION APPENDIX C SIMPLIFIED ALGORITHMS ii DEC IBM PC 24 24 24 25 29 30 MAGEONC Software MAGEONC is a database management system for storing and retrieving underway geophysical data from oceanographic cruises eg navigation bathymetry magnetism and gravity The data base management system used at CCOP SOPAC was originally developed by the ORSTOM Noumea to store their cruise data GEOMER data bank It is a Network Pointer Model which T allows fast retrievals for geographical information The Data base covers an area stretching from 90E to 90Wand from 30N to 505 The alphanumeric cruise information taken from MGD77 cruise header is managed by the ISIS documentary data base management system Important note Characters enclosed in lt gt indicate a single keyboard key All along this manual the PC keys are enclosed in The equivalence between the VT220 and PC keyboards is detailed in Annex C The Control key is represented by Ctrl Presently the data extraction can be done only from your login directory To access the documentary software ISIS you must have the following files in your dir2. N North S South Y W West E East Th e coordinates can be input in the same way as the input eld according to the fact that the syntax must be respected an by E OL the syntax is not respected an error message is displayed d you have to re enter the coordinates The facility offered this type of field is that any of the three types of syntax coordinates can be entered 12 Data Extraction Pressing the lt Select gt key changes all types of coordinates calculations are automatic In that way several coordinates each of different types or same can be entered without any difficulty and without any preliminary calculation The missing values are 0 by default figures 4 9 10 Examples E 179 505 for 79 50500000 E 179 30 5 for E 179 30 50000 E 179 30 30 for E 179 30 30 00 4 1 5 Function Keys There is six keys defined to operate the interface figure 1 CR HELP Previous Screen Next Screen FIO Select CR lt return enter key gt This key has two functions In an informative window it makes the text scroll page by page In an input window it makes you move to the next field of the current window if it is pressed in the last field the cursor will take you back to the first field of the window This key has no effect when the
3. CHIEF SCIENTISTS cont NORMARK OBL INGER PONTOISE PRICE REGIER REID SAPHORE SCHINK SHERIDAN SHIPLEY STROEV STROUP TALWANI TAYLOR TRACEY TRUCHAN VENRICK VON DER BORCH WARLOP WATTS WOODROFFE WORZEL PROJECT NAME ALCYONE AMPHITRITE ANTIPODE ARIAONE ARIES ATLAS AUSTRADEC CAPRICORN CATO CHALLENGER PLATEAU CROSSGRAIN DAMPIER DME DOLPHIN DOWNW I ND DSDP EAST PACIFIC RISE STUDY EGMONT SEDIMENTS ENDEAVOUR IS EURYDICE EV1100 EVA08 1000 OPDYKE PAUTOT RAITI RAMSAY RIEDEL ROBERT SCHLANGER SCHOLL SHOR SMITH SULLIVAN SUTTON THEYER TIFFIN TUL IN VACQUIER WEISS WEISSEL WUSTENBERG YEATS GEOVAN 2 EVA800 GEOSECS GEOVAN GYRE HIKURANGI TROUGH IDOE MN74 01 INDOPAC IPOD KK77 03 17 5 KERMADEC RIDGE KERMADEC TRENCH KK7 1 04 26 KK72 11 08 1 KK72 11 08 KK76 01 03 KK77 11 09 KK77 11 08 KK80 01 21 KK82 03 16 LINE IS LORD HOWE RISE LUSIAD MACQARIE BENTHOS 36 VON HERZEN WALL PITMAN POMEROY REA RECY ROSSFELDER ROTTMAN SCLATER SHARMAN SPIESS STACKELBERG TAFT TAKAHASHI TONEY TOOLE VAN DORN VEDER WALSH WINDISCH WINTERER ZACHARIADIS MARATHON MN74 02 MOKAU MONSOON MONSTER CRUISE MAHI 2 70 MULTIPSO MW85 16 MW8612 NORFOLK RIDGE NORPAX F GGE NORTH EAST HYDROLOGY NORTH EAST TASMAN NOVA OPR 476 PAPATUA PLEIADES PROA REFLECT RIG SEISMIC RESEARCH CRUISE 2 RISEPAC SCAN Search Terms Dicti onary nn P
4. Method of applying residual field e g Linear interpolation in 60 miles squar Gravity Digitization rate e g 50 if there is one gravity record stored every five minutes Theoretical gravity formula code 1 1 Heiskenen 1924 2 2 International 1930 3 3 1 system 1967 4 8 other Reference system code local system 1 1 2 2 Postdam system 3 3 System IGSN 71 4 9 Correct Ions app I led Drift tare and b as correct ions app lied e g 0 075 mgal per day 5 2 HOW TO ACCESS THE CRUISE RECORD Retrievable Information Field Some of the fields described above are the access points to the Cruise information record This is the list of those fields that let you access the whole information record Cruise identifier Institution Vessel name Chief Scientist Project Instrumentation code ex SCS MBES Numerical data stored in MAGEONC Structure surveyed ex Louisville ridge Year EEZ Search Language SIS search language is based on boolean algebra To go to Search menu hit S from the main menu or PF3 F3 Type S to enter your query then the program prompts you to enter a boolean expression 20 Cruise Documentary Search Access Points There are three ways of accessing a record precise access point right truncated access point and
5. CR then the cursor will move automatically to the next input Field To get Help message press HELP CHAPTER 2 DATA BASE ORGANIZATION 2 1 GEOGRAPHIC AREA The geographic area covered by the base spreads from 30N to 50S and from 90E to 90W This area is split into square degree called stations used by the storage retrieval algorithm However a vast majority of the cruise NGDC Boulder Colorado and from some other institutions provide from a CCOP SOPAC s area of interest which is from 5N to 40S and from 140E to 130W THE DATA BASE FILES The incorporated data are sh There are a a CROISR DAT general in 57600 quarters of T data received from ared between five files ormation about the incorporated cruises PROFIL DAT general information about the incorporated profiles STAIN DAT information about the station sequentially crossed by the cruises MESxxx DAT files with the data points of the cruise number xxx BASGRA DAT general information about the gravity bases DGNDX DGLST xxx EEZ Croisr Dat so files used by the file management system The file Croisr dat contains general information about each cruise Cruise name 8 characters Cruise incorporation number internal number Dates of the survey format ddmm where mm
6. HAKUHO MARU MOANA WAVE HAKURE I MARU NEI HAKUREI MARU NO 2 NELLA DAN HORIZON NOROIT JEAN CHARCOT OCEANOGRAPHER KANA KEOKI RAVAKAI KNORR RIG SEISMIC Search Terms Dict ionary i E ade VESSELS cont SONNE SURVEYOR TANGAROA TARANUI TAURANGA CHIEF SCIENTISTS ACKHAM BASS BRINTON CAMPBELL COMER DAVEY ERICKSON FISHER GEORGE HALUNEN HAWKINS HERTZLER HUSSONG JOUANNIC KNAUSS LANGSETH LIEBERTZ MALAHOFF MARKL MCGOWEN MIZUNO AITKEN BENNETT BROCHER CANDE COOK DIXON ERLANDSON FOUCHER GERARD HAMMOND HAYES HERZER HUSSONG KARIG KNOX LARSON LONARDI MAMMER I CKX MARLOW MCGREGOR MOBERL Y LEINEN LONSDALE MAUNG ME I JER MORRIS THOMAS WASHINGTON I TUI TUI II UMI TAKA MARU VAUBAN ANDERSON ANDREWS BERELSON BERGER BROECKER BRYAN CARPENTER CHASE COX CRAIG EADE EISSEN EWING EXON FRANCHE TEAU GOLDBERG GREENE HAMPTON HARPER HAYS HEEZEN HESSLER HOLMES HUSSONG HUSSONG KEATING KELLER KORENFELD KROENKE LEWIS LUCAS MANHE IM MAYER MENARD MUDIE 35 EMA VITYAZ WECOMA OSU XI ANGYANGHON AUZENDE BALLARD BISCAYE BREWER BURNE BURNS COLLOT COLWELL CRAMPTON DANIEL EMBLEY EPP FALCONER FALVEY GAUSS GAYMAN GREENSLATE GUINASSO HART HARVEY HELSLEY HENDERSHOT HOUTZ HUSSONG JACKSON JORDO KENNETT KENT LADD LANDMESSER EYDEN LIEBER LUDWIG LUTHER MANN MARGOLIS MCFARLANE MCGOWAN MEYERS MILLER NATLAND NEUMAN Search Terms Dicti onary
7. changes the type of syntax of the coordinates e g geographical limits 4 2 EXTRACTION PROGRAM MAGEONC You access the query program by typing MAGEONC or hitting PF 1 F 1 Note that your result files will be in your logging directory First you select the extraction mode and formulate the query interactively program OQUERY then the query is processed in batch mode program OQUERB Main Menu The main menu is composed of one scrolling field The user can choose an option with the Select f4 key to scroll each option Pressing of the Next Screen f2 key will validate the choice and will display the next window The meaning of the available options is explained in the following paragraphs figure 2 14 Data Extraction 4 2 2 Query Formulation All the requested information will be Input interactively Administrative Information The query number is the recording number of current query in the Demand file DEMAND DAT Query number and date both automatically displayed by the software The user inputs his name company name and geographical area These information will not be used In the data retrieval It s just a general information Selection Mode The scrolling field of this window allows the user to choose among six possible modes of data selection c f 2 3 2 After pressing Next Screen key
8. a new window appears superposed on the last one not erased figure 3 Geographical Window The four limits of the geographical window must be entered Note that if the 180 meridian is in your area the west limit begins by E and the east limit by W The coordinates can be input under three different syntaxes cf 4 1 4 3 To validate your selection press Next Screen f2 A test will be then run by the software to check the syntax of the last input data is checked fig 4 Profile You have to enter the name of the profile as stored In MAGEONC The profile name is made of the five first letters of the cruise name identifier followed by a three digits number figure 5 Cruise You have to give a cruise name as stored In MAGEONC By typing help gt you will get the list of the cruise and some information relative to them figure 5 Data Extraction Cruise And Station The number of the stations are the ones given chronologically to each station quarter of square degree crossed by the cruise The information about these stations are stored in the file ST A TN DAT which can be listed with the Browse program figure 6 Through The Documentary Data Base This option makes you run the documentary software ISIS you need the ISISAC TAB and ISISUC TAB and SYSPAR PAR files in your current directory hit lt S gt
9. always displayed at the bottom of the screen and contains one line of text I t appears mainly in two cases a When the program detects an error e g bad syntax or input missing Then the message indicates the type of error The message disappears after the user has done an interaction new data input ask for help which is valid so doesn t involve a detection of error again b When the program does not need any more information and is running successfully figure 5 4 1 4 Field A field is part of a window dedicated to their input of information Its video state is always reverse or blinking One field will take only one data or information There are three types of field input scrolling input and scrolling It is possible and usual to have several fields of any type in the same window Fach field is in video state reverse except the one you can change that means input a data or make a choice by lt Select gt key If no field is blinking no data is needed and a message informs the user that the program is running fig 5 Data Extraction Input Field Thi s type of field accepts any alphanumeric or numeric data In some circumstances there may De already a default value n E aj ormation could be asked at anytime by Help key Scrolling Field This type of field allows you to make a ch
10. 00L 11 CK782 DM5 B DME24 DOLPAHO DSDP21GC DSDP90GC EL47A ELT19 32 66102602 70042203 72001831 73002311 77110902 7TOWOSWT 82001211 8516TR 8612 AMPHO3AR ARESICWT C0905 Chill C1304 C1713 CAPHCHO CH100L09 CK801 DMEO5B DME28 DSDPO7GC DSDP30GC DSDP91GC EL54A ELT20 67102100 71042603 72110803 74071700 77110901 7TTOWO6GWT 82031602 851SEAPS 87001411 ANTP 1 4MV ARIAOIWT C0906 C1203 C1305 C1714 CATOO2MV CH8003 CK802 06 DNWBABD DSDPO8GC DSDP33GC DSDP92GC EL54B ELT23 Search Terms Dictionary ELT24 ELT31 ELT39 ERDCO2WT ET6001 FGGEO6WC GECSJMV HT6705 INDP14WT KH6804B KI812 L384SP L684SP LH6602 MK6603 ND31 NOVAOGAR NR7601 PN811 POL7101 PROA3BBD RS47 SI811 SOTWO2WT STYXO2AZ ELT26 ELT33 ELT40 ERDCO3WT ETM85F IJ FGGEO7WC GECSKMV HT7701 156604 KH7104 KI813 L582SP L782SP LH7803 MONSO1AR ND32 NOVAO4AR NOVAO7AR NR8302 PN812 PPTUO3WT RAMAO1WT SCANOZAR 51812 SOTWOSWT 5 2 ELT27 ELT34 ELT47 ERDCO4WT EV1000 FGGEOBSWC GH7601 HT7903 KH6705 KI801 KI881 L583HW L783SP LUSI05HO MONSO7AR NOVAO LAR NOVAO4HO NOVAOBAR NU6608 PN813 PPTUOAWT RC2608 SCANOBAR 1813 SOTWO9WT 5 4 2 33 ELT28 ELT36 ELT48 ERDCO9WT EV1100 GECSEMV GH7801 HT8103 KH6804D 2 KNO73L04 L584SP L784SP LUSI106HO MONSOBAR NOVAO2HO NOVAOSAR NOVAOSAR PLDSO3MV POL6702 PPTUOSWT RE7102 S
11. ANY term A search term is any word or group of words recognized by ISIS as an entry point to a record A precise access point is a searchable term or group or words as it is known by the system Be sure of the spelling If you type TONGA you are requesting ISIS to retrieve all the cruise headers having the search term TONGA The response is SET 1 TONGA P 13 Tonga T 13 3 Tonga called the posting count indicates the number of times that term Tonga occurs in the database It is not necessarily the same as the number of records because the same term may occur more than once in some records IF a search term is more than one word long it must be enclosed in double quotation marks Louisville ridge With a right truncated access point you give the First letters of a search term The truncated character is IF you enter TONGAS you get SET 2 TONGA 5 p 13 Tonga 1 1 Tongatapu p 1 Tonga platform p 1 Tonga ridge T 13 5 Tongas T 13 2 5 An ANY term is a collective search term Presently no ANY term has been defined in MAGEONC Logical Operand The main operands are the OR inclusive AND and NOT For a description of the full set of operands please consult the CDS ISIS reference manual chapter IV The OR symbol is AND is NOT is Now follow some examples of complex searches To ger a li
12. CANO9AR S0352 SOTW10WT STYXO5AZ ELT29 ELTI J ELT53 ERDCIIWT EVA800 GECSFMV GH801A HY6601 KH6804A K1803 KR6607 L682SP L883SP MB6301 MRTNOSWT NOVAO2AR NOVAO5HO NOVA LAHO PLDSOAMV POL6725 PPTUOGWT RISPO2BD 1791 0353 SOTW11WT STYXO6AZ ELT30 ELT38 ELT55 ES6609 FB7305 GECSIMV GH801B HY6801 KH6804C KI811 KT7401 L683SP L884SP MH87S MW871 NOVA03AR NOVA06HO NOVA 1 BHO PN791 POL 7008 PROA3ABD RISPO3BD 1792 SOTWO1WT SOTWI2WT 5 2 Search Terms Dict fonary a STYX09AZ SWANIAR TG782 TG791 UM6402A UM6402C 1814 1815 V2105 V2403 V2810 V2811 V3215 V3301 V3401 V3403 V3610 V3611 VIT51 VLCNOSMV WSTG801 X05761 INSTITUTIONS BGI DEFENCE MAPPING AGENCY BMG INST PHYSICS EARTH ACAD SCI BGR BMR CCOP SOPAC CNEXO DSIR GATSH GSJ HIG IFREMER VESSELS ACHERON ALEXANDER AGASSIZ ARGO ATA BAIRD CHAIN CONRAD CORIOLIS DMITRIJ MENDELEEV ELTANIN TA6702 T16303 0 66 1905 2405 2812 V3303 V3506 VA801 VLCNO9MV ZOE100 TETHO2BD 1676 TG771 TI6505 TREPOIAR TT208 UM67 V1812 V1813 V1906 V1907 V2104 V2407 V2408 V2409 V2813 V3210 V3214 V3304 V3313 V3314 V3601 V3602 V3603 VA802 VABO03 49 WS771 WS782 WS791 ZOE200 IFZ AN SSSR LDGO MMAJ MRD NOAA POL ORSTON SCRIPPS SOUTH CHINA SEA SUB BUREAU U OF RHODE IS 34 U OF TOKYO U OF WASHINGTON USGS WHOI ENDEAVOUR LEE GLOMAR MACHIAS CHALLENGER MAHI GYRE MELVILLE
13. CCOP SOPAC TECHNICAL SECRETARIAT DATA MANAGEMENT SECTION MAGEONC SYSTEM User s Manual Third Edition O LEMAIRE 1987 updates H DROPSY 1988 O LEMAIRE 1989 TABLE OF CONTENTS CHAPTER 1 SYSTEM OVERVIEW 1 1 INTERFACE USER SYSTEM Menu gt e s e s 5 5 4 Prompt o 5 Worksheet CHAPTER 2 DATA BASE ORGANIZATION 2 1 GEOGRAPHIC AREA 2 2 THE DATA BASE FILES 2 3 THE PROGRAMS s lt s ese CHAPTER 3 CRUISE INCORPORATION MAIN MENU l 2 3 Administrative Information 4 0 DATA INCORPORATION 5 L LISTING OF THE INCORPORATED 6 B BACKUP ON TK50 we CHAPTER 4 DATA EXTRACTION 74 4 1 INTERFACE COMPUTER USER 4 1 1 Introduction 4 1 2 Window 9 we n 4 1 3 Message Window e 4 1 4 Field 4 1 5 Function Keys 4 2 EXTRACTION PROGRAM MAGEONC 4 2 1 Main Menu 2 7 4 2 2 Query Formulation 4 2 3 Data Extraction 4 3 BROWSE LJ CHAPTER 5 CRUISE DOCUMENTARY SEARCH 5 1 DATA STORED I MERGE SATELLITE AND ESTIME FILES C CRUISE INFORMATION INCORPORATION DATA s o 5 2 HOW TO ACCESS THE CRUISE RECORD 5 3 UTILITIES n n 4 44 4 gt 4 4 o 9 2 e
14. File INFCRO DAT and the system takes you back to the main menu DATA INCORPORATION The Cruise information Function must be executed before the data incorporation CAUTION Once the D key has been hit the system must not interrupted If it is the Data Base should be restored from the TK50 Mageonc backup tape Three windows are displayed on the screen The First one displays the general information about the cruise The system then asks you to give a navigation quality code 0 stands for satellite I mixed or interpolated 2 celestial 3 Type one of these code numbers and the incorporation of the cruise data begins Information about the profile and station which are being incorporated are displayed on the screen When the data incorporation is completed the main menu is displayed again on the screen 3 5 L LISTING OF THE INCORPORATED DATA IF you type L the system will ask for the cruise name you want to get information about So it searches these information through the Cruise profile and station files then you are asked if you want a listing of the numerical data The listed data are stored in a File named PRINT LIS in your default directory To display the data list on the screen type the DCL command PRINT To print data list on paper type SPRINT PRINT Cruise Incorpo
15. I DTB DTF ALOAC 4 PSTA PPRO NP NB NBTM IAN FILE OF GRAVITY BASES CHARACTER 20 1 1 REAL 4 021 REAL 4 DTI CHARACTER 20 1 2 REAL 4 DZ2 REAL 4 DT2 REAL 4 DER cruise name incorporation cruise number starting date of the cruise ending date of the cruise geographic coordinates of the rectangular window including the cruise station pointer to STATN DAT profile pointer to PROF IL DAT number of profiles number of gravimetric bases number of measured points year ee ee harbour name of the first base measured gravity recording date harbour name of the second base gt measured gravity recording date shift 25 File Descriptions DGLST DAT File Spec MAGDIR DGLST DAT 1 File Organization relative Record Format fixed Record Size 8 INTEGER 2 NCROI t cruise incorporation number INTEGER 2 NSTA station incorporation number during the cruise INTEGER 4 NSTAS pointer of the next DGLST record concerning the same station DGNDX DAT File Spec MAGDIR DGNDX DAT I File Organization relative Record Format fixed Record Sizes 4 INFOG DAT This file contains the first list pointers of the DGLST file INFOG contains the information about the state of the files for the next incorporation File Spec MAGDIR INFOG DAT 1 File Organization sequential Record Format fixed Record Siz
16. ROJECT NAME cont SEAPSO SOUTH HIKURANGI SEARISE SOUTHTOW TRIPOD SEVENTOW STYX TUI IS 50352 SWANSONG VITI 0353 TETHYS VULCAN SOLIS 66 THOMASITE ZOE 100 SOLIS 67 TRANSPAC ZOE200 SOLIS 68 TRIPARTITE TOOLS CORING DREDGING GRAVIMETER MAGNE TOME TER MBES MCS NBES PDR PHOTO REFRACTION SATNAV SBP SCS SLC SLS SUBMERSIBLE TANGLE NET GEOGRAPHICAL AREA AMERICAN SAMOA JAPAN AMERICAN TRUST TERRITORY KIRIBATI ARGENT INA MARSHALL IS AUSTRAL IA MEXICO CANADA NEW CALEDONIA CAROLINE IS NEW ZEALAND CHILE PANAMA CHINA PAPUA NEW GUINEA COOK IS PERU COSTA RICA PHILLIPINES EASTER IS SINGAPORE ECUADOR SOLOMON IS FIJI TONGA FRENCH POLYNESIA USA GUAM USSR GUATEMALA VANUATU HAWAI I WESTERN SAMOA INDONESIA 37 TRIPARTITE 2 HEATFLOW SAMPL ING Search Terms Dictionary STRUCTURE SURVEYED CORIOLIS TROUGHS EGMONT SEDIMENTS FIJI PLATEAU HAVRE TROUGH HIKURANGI TROUGH HORIZON GUYOT IPOD NAURU BASIN ISOPOD KERGUELEN PLATEAU KERMADEC RIDGE KERMADEC TRENCH LAU BASIN LINE Is LORD HOWE RISE LOUISVILLE RIDGE LOYALTY RIDGE MANUS BASIN MELANESIAN BOARDERLANDS MOKAU NAURU amp CENTRAL PACIFIC BASINS NAZCA PLATE NECKER RIDGE NEW IRELAND BASIN NORFOLK RIDGE DATA CODE 0 Navigation only l Bathymetry only 2 Bathymetry and gravity Bathymetry and magnetic NORTH FIJI BASIN NORTH OF TONGA NORTH HALF OF TONGA ARC NORTH EAST HYDROLOGY NORTHERN COOK Is NORTHWEST OF
17. SAVAII ISLAND ONTONG JAVA PLATEAU PHOENIX GROUP RENDELL ARCH SANTA CRUZ IS SAVAI I Is SOUTH WEST OF GILBERT CHAIN SOUTH LINE Is SOUTH FIJI BASIN SOUTH FRINGE OF CENTRAL PACIFIC SOUTH amp CENTRAL SOLOMON ISLAND SOUTH VITI LEVU SOUTH HIKURANGI SOUTHERN HALF OF TONGA ARC SOUTHERN COOK IS TONGA RIDGE TONGA PLATFORM UPOLU Is WOODLARK BASIN 4 Bathymetry magnetic and gravity 5 Magnetic only 6 Gravity only 7 Unspecified YEAR the two last digits hint M M E M ee 9 96 32 3 W Acknowledgement We would like to thank the ORSTOM Noumea and especially J RECY and F MISSEGUE who helped us in the understanding or the System and gave us the benefit or their experience The algorithms and the structure or the data base were kept but the system user interface and the Input Output file procedure were deeply recast to speed up the execution using VMS routines and special VMS features Some extraction facilities were added 0000000000000000000 39
18. TION DEC IBM PC Keyboard lt Ctrl w gt CR TAB Ctrli R lt PFI gt F1 PF2 F2 Keypad Keypad Keypad Keypad Keypad Keypad Keypad lt PF3 gt F3 lt PF4 gt F4 Keypad mey Meaning delete word Carriage return Previous Field line ESC restore field value Help Delete field Home End of field Delete character at Cursor Insert replace toggle Back one word forward one word Erase to end of field Mark beginning of cut Cut text from mark to cursor Paste text at cursor When a menu is displayed on the screen the following keys wil perform the special functions indicated below Keypad lt PF3 gt lt F3 gt lt PF4 gt F4 lt PF2 gt lt F2 gt Keypad 29 Enter VAX command Switch to search menu Switch to entry menu Switch to main menu Switch to print menu APPENDIX C DEFINITIONS SIMPLIFIED ALGORITHMS For each new cruise incorporated a file MESxxx dat is created It is filled with the measure points XXX is equal to the amp incorporation number amp NCROI given by the system to the cruise The other riles CROISR OAT STATN DAT OGLST OAT PROFIL OAT OGNOX OAT are not created but updated To speed up the retrieval of data by geographic window or economic zone the area covered by the base is split in 57600 amp stations amp A station is equal to one quarter of square degree Ea
19. ach new incorporation an incorporation number NCROI is given to the new cruise and a File MESxxx DAT is created that contains the measure points data 30 Simplif ied Alogrithms During the incorporation at each station crossed by the cruise is given a station number NSTA and a new record is added at the end of the DGLST dat file If this station has never been crossed by any cruise before then the number of the DGLST record is stored in the right DGNOX record The DGLST record is made or three fields The cruise incorporation number NCROI The sequential station number NSTA The DGLST pointer PLST If this station Has been already crossed by this cruise or another cruise the PLST or this previous passage is updated and made equal to the DGLST record number or the new DGLST record The PLST or the last record is made equal to zero EXTRACTION The elementary algorithm is the extraction or the data contained in one station So we shall only explain here the great lines or this algorithm If the program has to extract a station I the program reads In the DGNDX record numbered I the Index J or first list pointer PLST Then it reads in the DGLST record number J a couple cruise station NCROI NSTA and the next list pointer With NCROI It can read in CROISR OAT the station pointer PSTA PSTAtNSTA is equal to the STATN recor
20. are ISIS E r ho VT sI CRUISE INFORMATION Cruise name Starting date Ending date Year we we we lt we oe lt am me ee The date must be entered as four digits number e g 1306 for 13 June The cruise name must be no more than 8 characters long If the starting year is different from the ending year only the starting year is entered To validate a data input hit CR to move up or down through the worksheet hit PF1 or PF2 Once the worksheet filled in hit Next Screen key to display the next worksheet Profile information The second worksheet collects the information about the profile names and the starting and ending times PROFILE NAME Starting date Ending date t The profile names are eight characters long and must consists of the first five letters as of the Cruise name followed by 3 numerical characters The dates must be given in minutes since t 0 lrst january 00 00 If you do not have any information about the profile you enter the starting and ending date given by the MGD77 utility program 7 Cruise Incorporat ion 3 4 D A new screen is displayed for each profile You can move through the screens with the Prev Screen and Next Screen keys The input is validated with the lt CR gt When you have finished with the input hit the DO key the input information is saved in a temporary
21. by defining its basic concepts The ic software MAP same interface is used by the cartograph This interface is supported by Vax computer under the operating system VMS Virtual Memory System 4 1 2 Window A window is a box on the screen containing information and parameter as requested limited by a border line and option or space to input information Several windows could be displayed on the screen at the same time There are three types of window Input window Help window or informative window Message window Input Window This type of window is dedicated to receive data parameters choice of option or values asked by the software The test and validation of the input value is carried out when the Next Screen F2 key is pressed The cursor will leave the current window to go on to the next one cf 1 4 d figures Data Extraction Help Window This type of window is usually displayed when the user asks for help by pressing the lt Help gt F3 key cf 1 4 b Then a text is displayed superposed on the current window press lt CR gt key to make it scroll It is impossible to input alphanumeric character The only two possible actions are Carriage Return scrolling Help message lt Prev Screen get back to the window where you were before asking for help figure 4 1 3 Message Window This window is
22. ch of these stat ions is associated to a record or the A amp OGNOX amp File The record number I of the OGNOX is associated with the station number 1 A station is the smallest geographical element that can be extracted For each station crossed by a cruise a new record is added to the A amp OGLST amp File cF Annexe A IF the stations never been crossed by any cruise the OGLST record number named OGNOX index is written in the given OGNOX record Each time a cruise enters into a new station the A amp sequential station number amp is incremented by one This sequential station number is recorded in OGLST and STATN The starting station of a cruise gets the sequential number 1 this number is incremented for each new crossed station If a stations crossed twice or more by this cruise it will get two or more different sequential numbers So a amp measured point amp is defined by the three elements the cruise number NCROI the sequential statl0nnumber NSTA and the time T in decimal minute of the measure The amp station pointer amp PSTA is equal to the record number of the first record of a given cruise in the STATN OAT File The amp profile pointer amp PPRO is equal to the record number of the First record of a given cruise in the PROFIL DAT file Both of them are stored in CROISR DAT INCORPORATION For e
23. cruise incorporation and some other functions related to the incorporation 3 1 MAIN MENU The cruise data to be incorporated must be stored in a file named TRSFRT DAT which has the structure described in annex A For its creation read MGD77 utilities manual Access to the cruise incorporation program requires system privileges To run it type at the DCL level prompt the following command RUN SGBD INCORP Then the following menu is displayed F Full incorporation chain I Merge the satellite and estime files C Cruise information incorporation D Data incorporation listing of the incorporation B Backup of the Data Base files on TK50 X Exit The screen cursor is placed at the bottom of the menu Then type one or the option identifier If you hit lt F gt the cruise information incorporation and data incorporation are run sequentially Cruise Incorporation B A a tt 3 2 Is MERGE SATELLITE AND ESTIME FILES This routine merges the two files satellite and estime resulting from previous processing into one file TRSFRT DAT ready for the incorporation 3 3 CRUISE INFORMATION INCORPORATION Administrative Information This routine handles the input of administrative information about the cruise and profile information Information about sensors and other devices can be input through the documentary data base softw
24. d number in which the measure pointer and the number of measure points permit to read in the file MESNCROI DAT all the measure points recorded by the cruise These data are stored in RESUIT DAT Then the PLSTth record or DGLST Is read and the process is iterated The retrieval is finished when PLST is null FOR MORE INFORMATION For more information about the structure or the database and the used algorithms you are invited to read the MAGEONC programmer s manual 31 CRUISE IDENTIFIERS 02580 68101200 71042602 72110807 74090800 79080801 7TOW3BWT 82031605 8525 5 4765 16 ARIAO2WT C1005 C1204 C1306 C2011 CATOO3MV CH8004 CRGNO IWT DME 09 DNWBAHO DSDPO9GC DSDP34GC E881SP EL55A 26180 70042204 71042606 72110801 76010303 79080802 80001511 82031603 853SEAPS ALCYO1MV ANTP17MV ATLSO2MV C1006 C1205 C1501 C2307 CATOO4MV CK761 CRGNO7WT DME18 DNWBBBD DSDP17GC DSDP85GC EI6302 ELTI5 APPENDIX C 36283 70042201 71042605 72110808 76010304 79102901 80001711 82031604 854SEAPS AMPHO 1 AR ARESOAWT C0804 C1007 1211 1502 C2309 CH100L08 CK771 DA6804 DME21 DOLPO2HO DSDP20GC DSDP89GC EL40A ELTI6 SEARCH TERMS DICTIONARY 66102601 70042202 71042604 72110802 77031701 79G602GY 80012101 82031601 855SEAPS AMPHO2AR ARES1BWT C0805 C1110 C1212 C1712 CAPHBHO CH1
25. e 16 INTEGER 2 NCROI XF ILL incorporation number of the next cruise to incorporate INTEGER 4 PSTA station pointer of the next cruise INTEGER 4 PPRO profile pointer of the next cruise INTEGER 4 PLST DGLST pointer of the next crutse MESxxx contains the data of the cruise number xxx each record of this file is filled by a measure point Each record length of this file can be 5 7 or 8 long words depending if the gravity or the magnetism are recorded File Spec MAGDIR MESxxx DAT 1 File Organization sequential Record Format fixed Record Size 5 7 or 8 long words INTEGER 2 NSTA sequential station number in the cruise REAL 4 T time of survey INTEGER 2 CN z navigation code REAL 4 LAT latitude REAL 4 LON longitude REAL 4 B bathymetry 26 File Descriptions eee REAL 4 G gravity INTEGER 2 F gravitmetric anomaly REAL 4 M magnetic field value INTEGER 2 A magnetic anomaly PROF IL DAT File Spec MAGDIR PROF IL DAT 1 File Organization relative Record Format fixed Record Size 24 INTEGER 2 NCROI XFILL cruise incorporation number CHARACTER 8 NPR profile name REAL 4 DTDBP starting time in minute REAL 4 DTFNP ending time INTEGER 2 NSD first station number in the cruise INTEGER 2 NSF tlast station number in the cruise STATN DAT File Spec MAGDIR STATN DAT 1 File Organization relative Record Format fixed Record Size 36 INTEGER 2 NCRO cruise incorp
26. ectory isisuc tab Isisac tab and Syspar par CHAPTER 1 SYSTEM OVERVIEW 1 1 INTERFACE USER SYSTEM The system is written for the handling of the numerical data recorded during the cruises The interface User System is done interactively by use of Menu prompt worksheet Menu A menu is made of a list of options Each option is composed by an Option Identifier which is a letter or a number and by an Option Description which describes executable Function The screen cursor is automatically positioned at the bottom of this list To execute a function the user must hit the key associated to an option identifier If a wrong key is pressed no action is taken Once a Function has been selected the system may need some more information from the user to complete the request Then prompt or worksheet are displayed Prompt A prompt is a character line displayed on the screen asking the user for an information e g Filename 1 Worksheet A worksheet is a screen layout for the input of numeric or character data Some data may have default values that can be modified by the user Some worksheets can be spread on several screen displays To move From one screen display to another press Prev Screen or Next Screen To move the cursor up press the key lt 1 gt to move down press the key lt PF2 gt To validate the input of one data hit
27. l Data Exchange Format MGD77 manual edited by the National Geophysical Data Centre Cruise identifier Internal survey identifier It is this identifier that is used to retrieve the numerical values e g 5bEAP5851 Institutions or agencies funding the survey Vessel name Project leg example project 5EAP50 Leg 1 or Tripartite leg 3 survey departure date and departure port survey arrival date and port year of beginning of the cruise structure surveyed e g Tonga trench Louisville ridge Exclusive Economic Zones entered by that cruise Numerical Data Stored In MAGEONC Code field 50 O Navigation only 1 Bathymetry only 2 Bathymetry and gravity 3 Bathymetry and magnetic 4 Bathymetry magnetic and gravity gt 5 2 Magnetic only 6 Gravity only 7 Unspeci ified data 8 Under request not in MAGEONC 9 Cruise Tools being incorporated in MAGEONC The instrumentation is described in plain language navigation bathymetry 3 5 kHz gravity Lacoste Romberg 5 26 magneti seismic water video submersibl Proton precession mag Geometries G 801 sampling dredging tangle net photo e 18 Cruise Documentary Search A generic code for some type of instrumentation is added which can make the user search easier NBES Narrow Beam Echo Sou
28. month Lower left and upper right limits of cruise Pointers onto the station and profile fi Number of profiles Total number of data points Year of the survey Navigation quality code O satel 2 celestial Structure code of the data file mesxxx dd day the les lite I mixed dat 2 2 2 Data Base Organization Profile Data The file Profile dat contains general information about each profile Cruise incorporation number Profile name 8 characters currently the first 5 characters of the cruise name followed by a three digits number e g ETM85001 for the first profile of the cruise ETM85FIJ Starting date in minute TO OOhOO the 1st January Ending date in minute Sequential number of the starting station of this profile Sequential number of the ending station of this profile Statn Dat The file Statn dat contains information about the stations sequentially crossed by a cruise Cruise incorporation number Arrival time Ts of the ship in the station Departure time Te of the ship from the station Number of data points of the cruise between Ts and Te MESXXX Dat A MESxxx dat file is created for each new cruise Each record of this file is filled with a data point The recorded fields are Time in decimal minutes with t o for the 1st January OOh00 Navigation code internatio
29. nal code cf MGD77 format Latitude Longitude Bathymetry Gravity Gravity anomaly Magnetic T Magnetic anomaly Data Base Organisation 2 3 THE PROGRAMS The system is made of three m ain programs INCORP for cruise incorporation DQUERY for query formu DQUERB which processes There are utility programs which interface data exchange formats lation the extraction in batch mode MGD77 GF3 the listing of the Access to manager The DQUERY program can be run by any directory You just type MAGI j ESULT DAT binary file and allow the translati Data base files the RI INCORP program and needs system privi ion from binary to ASC program BROWS isting of the extracted cruises in your The DQUERY progran extraction 1 2 3 4 5 6 login directory Cruise name Profile name EZ Exclusive is stri leges Range of stations FOR 118 Economic Zones Documentary search Geographical window through ISIS and E ctly reserved to the system user from his login EONC or press lt PFl gt Fl gt which contains extracted data and the DAT file The result are created n lets you choose between six types of CHAPTER 3 CRUISE INCORPORATION The program INCORP executes the
30. nder HBES Multi Beam Echo Sounder e g Seabeam MCS Multi Channel Seismic SCSI Single Channel Seismic SLS Side looking scan Sonar PDR Precision Depth Recorder SBP Sub Bottom Profiler FFG Free Fall Grab 866 Bathymetry Digitization rate e g 50 if there is one bathymetric record stored every five minutes interpolation scheme this field allows for a description of the Interpolation scheme used should some of the data records contain interpolated values e g 5 minutes Interval and peaks and troughs datum code No correction applied sea level Lowest normal low water Mean tower low water Lowest low water Mean lower low water spring Indian spring low water Mean low water spring Mean Sea level Mean low water Equatorial spring low water Tropic lower low water Lowest astronomical tide other C cor PO S con Magnetic Digitization rate e g 50 if there is magnetic record stored every five minutes Reference field code This is the reference Field used to determine the residual magnetic 01 AWC 70 02 AWC 75 03 I GRF 65 04 IGRF 75 05 GSFC 1266 06 GSFC 0674 0674 DK 25 08 0368 09 1068 10 0869 88 other 19 Cruise Documentary Search
31. oice with in several options To be placed on the chosen option press select key to scroll the options one by one The cr or next screen wil eave the current field and go to the next scroll field or to the next window When the user is in a such field the cursor Is at left upper corner of the current window this last note is important because sometime only one option at time is vi wi change of field way to know it is a scrolling sible and looking at the position of the cursor is the only field and not an input field th a default value on it The action available are CR to if another field exists in the same window lt select gt to change of choice and lt help gt lt next screen gt or lt previous window gt as usual figure 2 3 Input And Scrolling Field Thi CO a field has been developed to input the geographical S type of ordinates of an area The aim of such a field is to accept an input of a geographical coordinate in any of the three lowing syntaxes for latitude for longitude type 1 XDDMMSS SS YDDDMMSS SS type 2 XDDMM MMMMM YDDDMM MMMMM type 3 XDD DDDDDDDD YDDD DDDDDDDD With D Degree M Minute S Second are belonging to 0 9 X
32. or lt PF3 gt on DEC keyboard or F3 on PC keyboard Then you are prompted for the data base name enter MAGEON You access the search menu Hit S then enter your request cf ISIS manual Search language You can display the results by hitting lt D gt When you are satisfied with the result you save it hitting P Then by typing P gt save the records in a file called MAG press PFl answer MYPRT to the ISIS prompt some strange things are displayed on the screen don t panic Exit by typing twice lt A gt For more information about this software please refer to the ISIS user s manual Things should be easier with the new ISIS version Exclusive Economic Zone EEZ Select through the EEZ scrolling field a South Pacific State name then all the cruises belonging to its EEZ will be extracted figure 4 2 3 Data Extraction The query is stored in an ASC file PARAM MAG in your login directory The extraction is done in batch mode submitting the program sgbd DQUERB When the process is over the system displays a message onto your screen and rings the terminal bell The data are in the RESULT dat file in your login directory and the information relative to the cruises extracted in the file FOR118 dat 16 Data Extraction A more detailed re
33. oration number INTEGER 2 NSTA z sequential station number REAL 4 DTDBS entry date in minute in the station REAL 4 DTFNS exit date in minute REAL 4 ALOAS 4 rectangular window coordinates of the cruise in the station INTEGER 4 NMES number of measure points inside the station INTEGER 4 IMESU pointer of the station in MESxxx dat File specifications SYS LOGIN RESULT DAT File organization Relative Record format Fixed length 56 byte records Record attributes None Access Cntrl List None First record structure Geographical limits of the file structure iglim integer 4 latmin latmax lonmin lonmax integer 4 Afill1 fi11 fi11 F111 Fil11 F111 Fill fll1 fil1 fill end structure 27 File Descriptions ILL Other records Structure structure mageo character 8 nomprof profilename integer 2 cn Navigation code 1 3 9 integer 2 ian Year real 4 t time in decimal minute real 8 lat lon real 4 z 5 Latitude longitude bathymetry gravity Free air anomaly magnetic magnetic residual integer 4 shpt Shotpoint number dummy field end structure 4e KEYBOARDS CORRESPONDENCE DEC Terminals VT220 VT240 IBM PC or Compatibles lt CR gt 1 CR XHELP H lt F3 gt lt Prev Screen gt F1 Next Screen lt F2 gt Select lt F4 gt gt lt cam lt lt e meee lt lt 28 APPENDIX 6 ISIS KEYBOARD FUNC
34. port of the extracted cruises canbe obtained through ISIS You read From FOR118 dat the cruisenames cruise i then you run ISIS by hitting lt PF3 gt Enter the Following boolean Formulation cruise l cruise 2 cruise N You display the search results hit 0 save then hit lt P go to the print menu gt on the keypad and print it Refer to the ISIS reference manual or to chapter 5 For more T information NB To run ISIS you need the ISISUC TAB ISISAC tab and SYSPAR PAR in your login directory 4 3 BROWSE This command displays the File RESULT DAT on the screen As this option has not been modified from the previous version of the software you have to use the following protocol Next Screen key and Previous Screen key to scroll the data up and down page by page With FIO or lt Ctrl z gt key go back to the Main menu Figure 8 CHAPTER 5 CRUISE DOCUMENTARY SEARCH Various non numerical information about the cruises are accessible through 1515 software This chapter describes which information is s Most of the information are derived tored and how to retrieve it from the Cruise Header in the MGD77 formatted cruise data Please refer to Boulder Colorado 5 1 DATA STORED the Marine Geophysica
35. ration 3 6 B BACKUP ON TK50 This command executes a backup of the update files on a TKSO tape It is executed after you quit the program with the X Exit function To backup your work type B from the menu Then you are asked to load a TKSO tape Gnsert the initialized tape into the TKSO drive and press the red button The files are copied into a saveset labelled with the backup date e g 2SDEC86 SAV The files can be restored with the following DCL command S BACKUP VERIFY MUAO savesetname SAVESET MAGDIR CHAPTER 4 DATA EXTRACTION 4 1 INTERFACE COMPUTER USER 4 1 1 Introduction Extraction routine is slightly The interface of the different from the Incorporation routine The extracti on a D EC terminal as well as from a PC program can be run from computer user is the part or the software which exchanges between the user and its it communicates with the software interface information In other words An involves computer This interface has been developed with rules which are necessary to be known to use the software without any difficulty Those rules are simple and will always be the same The same interface rules are used for the MAP and PROJECTION programs The following headings and sub headings will describe in detail how to use this interface
36. re is only one Field in the window ex Main menu of Mageonc Help This key can be used at any time in an input window It displays an informative window The user cannot ask for help while he is already in an help window only one level of help Previous Screen This key always enables you to go back to the previous window The only case when it is not possible is in the Main menu or the first window because there is no previous window 13 Data Extraction lt Previous Screen gt Fl key is the only way to exit from an informative window Next Screen This key can be used at any time in an input window it enables to continue the processing by passing to the next window If no more data is needed a message is displayed meaning the program is running The passage from a window to the possible next one goes through a validation of data after test the tests are processed by the software and signalled by a message If some data are missing or incorrect a message appears and the user must correct his previous input The program places the user automatically in the field to be corrected F10 This key operates at any time in any input window and allows to exit properly from the program Select This key is enabled in a scrolling or in an input and scrolling field It scrolls the available options one by one in a scrolling field In an input and scrolling field it
37. st of the surveys in the Tonga area from 1970 to 197 enter 21 Cruise Documentary Search Tonga 70 71 72 73 By typing 0 you get a listing of the retrieved cruises 7TOWOSWT project Seventow leg5 and ANTP16MV project Antipode legl6 To get all the cruises with gravity data stored in MAGEONC in the Vanuatu area VANUATU 2 4 6 50 2 4 6 are the data code meaning that the gravity is stored In MAGEONC To bypass search conflicts the 50 suffix indicates that the terms 2 4 6 must belong i 1 field 50 5 3 UTILITIES Listing CROISR DAT This program lists the file croisr dat by alphabetical order or cruise Incorporation number If you want all the cruises to be listed type lt I gt the cruises are displayed by increasing Incorporation number cruisename then the list starts at this You can enter a start from the cruise lf you enter a wrong name the lists cruise having the closest name To run this program type run sgbd tool liscru Editing CROISR DAT During the cruise information input you may have misspelt the cruisename or have done some other minor mistakes After the incorporation you can correct it by editing the croisr dat file You can enter either a cruisename or a cruise incorporation number The information about this cruise is displayed on the screen and you are asked to give the field number to modify then to en
38. te a binary result dat into an ASC File 4 Delete a cruise From MAGEONC 5 Full MAGEONC invertion requires system privileges CR Exit 6 2 MGD77 PROCEDURE Option Description 0 1 execute a DCL command 1 Read a 120 bytesMGD77 and write an input File For MAGEONC 2 Translate a 80 bytes length MGD77 into TRSFRT DAT 3 Read a MGD77 File and write a Result dat file 4 Extract time navigation bathymetry from a MGD77 5 Export a RESULT DAT into MGD77 Format CR Exit 24 APPENDIX A FILE DESCRIPTIONS DEMAND DAT Query recording file File Spec DEMAND 041 1 File Organization relative Record Format fixed Record size 80 bytes INTEGER 2 IDM AFIL query number record number CHARACTER 16 DEMA z name of the querier CHARACTER 16 ORG company CHARACTER 8 DDEM date of the query CHARACTER 20 ZON name of the geographic area REAL 4 FEN 4 geographic coordinates of the CROISR DAT contains the general of the base incorporated cruise cruises window if extraction by window N lat S lat E lon W lon information on al the first record of one File Spec MAGDIR CROISR DAT 1 File Organization relative Record Format fixed Record Size 148 bytes CHARACTER 8 INTEGER 2 REAL 4 REAL 4 REAL 4 INTEGER 4 INTEGER 4 INTEGER 2 INTEGER 2 INTEGER 4 INTEGER 2 NCRO
39. ter the new field value The following fields can be edited 4 1 Cruise name Mageonc id starting date ending date Year Navigation quality code 6 File structure code 22 Cruise Documentary Search When you finish the edition type 0 at the field number prompt To run this program type run sgbdStool edtcru Reinvention of The DATABASE In some unfortunate cases due to a power break or a bug while incorporating the data base integrity can become hazardous because of pointers pointing to wrong records You can detect such a case when your extraction request ends with one of the following messages RROR attempt to access non existent record ST PSTA doesn t point to the right DGLST record ERROR record number outside range DGLST DAT Access violation U pH Fle Don t panic consult the System Manager There are two solutions to recover your data a Retrieve data from the latest Backup file TK50 cartridge using the DCL command RESTORE or b Reinvert the base from the data files MESxxx dat The inversion is done by running sgbd tool INVER exe This program asks for the number of cruises to be reprocessed 23 CHAPTER 6 MAGEONC UTILITIES 6 1 TOOL PROCEDURE Option Description O Help execute a DCL command 1 List CROISR DAT 2 Edit CROISR OAT 3 Transla
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