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    1 DX(1V)                                                     DX(1V)
    2 
    3 
    4 
    5 NNAAMMEE
    6        dx   -  start  the  Data  Explorer  visualization  system.
    7        Optionally directly start the User Interface  (_d_x_u_i),  the
    8        executive  (_d_x_e_x_e_c), the Data Prompter, the Module Builder
    9        or the Tutorial.
   10 
   11 SSYYNNOOPPSSIISS
   12        dx   [ -8bitcmap < private | shared | 0-1 > ]
   13             [ -builder ]
   14             [ -cache < on | off > ]
   15             [ -colors < colors file > ]
   16             [ -connect < host:port > ]
   17             [ -data < path list > ]
   18             [ -directory  < dir > ]
   19             [ -display < display name > ]
   20             [ -dxroot < dir > ]
   21             [ -echo ]
   22             [ -edit ]
   23             [ -encode ]
   24             [ -exec < executable > ]
   25             [ -execonly ]
   26             [ -execute ]
   27             [ -execute_on_change ]
   28             [ -full ]
   29             [ -file < filename > ]
   30             [ -help ]
   31             [ -highlight < on | off > ]
   32             [ -host < host name > ]
   33             [ -hwrender < gl | opengl > ]
   34             [ -image ]
   35             [ -include < path list > ]
   36             [ -key < 64bit hex > ]
   37             [ -license < type > ]
   38             [ -local ]
   39             [ -log < on | off > ]
   40             [ -macros  < path list > ]
   41             [ -mdf < filename > ]
   42             [ -memory < # of Mbytes > ]
   43             [ -menubar ]
   44             [ -metric ]
   45             [ -modules < path list > ]
   46             [ -morehelp ]
   47             [ -nodeid ]
   48             [ -optimize < memory | precision > ]
   49             [ -outboarddebug ]
   50             [ -processors ]
   51             [ -program < filename > ]
   52             [ -prompter ]
   53             [ -readahead < on | off > ]
   54             [ -script [ < script file > ] ]
   55             [ -startup ]
   56             [ -suppress ]
   57             [ -timing < on | off >]
   58             [ -trace < on | off > ]
   59             [ -trialkey ]
   60             [ -tutor ]
   61             [ -uionly | -execonly ]
   62             [ -verbose ]
   63             [ -version]
   64 
   65        dx   -prompter      ( start the Data Prompter )
   66             [ -full ]
   67             [ -file ] [ < header file name > ]
   68 
   69        dx   -builder  ( start the Module Builder )
   70             [-file ] [ < .mb file name > ]
   71 
   72 
   73 
   74 
   75 
   76 
   77 
   78 DDEESSCCRRIIPPTTIIOONN
   79        _d_x is the command that starts the  Data  Explorer  Startup
   80        Window,  and  optionally  starts  the  _D_a_t_a  _E_x_p_l_o_r_e_r _U_s_e_r
   81        _I_n_t_e_r_f_a_c_e, _D_a_t_a _E_x_p_l_o_r_e_r  _E_x_e_c_u_t_i_v_e,  _D_a_t_a  _E_x_p_l_o_r_e_r  _D_a_t_a
   82        _P_r_o_m_p_t_e_r,   _D_a_t_a  _E_x_p_l_o_r_e_r  _M_o_d_u_l_e  _B_u_i_l_d_e_r  or  the  _D_a_t_a
   83        _E_x_p_l_o_r_e_r _T_u_t_o_r_i_a_l.
   84 
   85        The Data Explorer Startup Window  is  an  X  windows/Motif
   86        based  application  which  allows easy access to the other
   87        subsystemes of the Data Explorer visualization system.
   88 
   89        The _D_a_t_a _E_x_p_l_o_r_e_r _U_s_e_r _I_n_t_e_r_f_a_c_e  is  an  X  windows/Motif
   90        based application that provides a visual programming envi-
   91        ronment and an interface to the executive.  The  executive
   92        provides  the computational tools and mechanisms to create
   93        data visualizations.  The
   94 
   95        _D_a_t_a _E_x_p_l_o_r_e_r _D_a_t_a _P_r_o_m_p_t_e_r is an  X  windows/Motif  based
   96        application  that  helps users import data in a variety of
   97        formats, and provides general purpose visual  programs  to
   98        visual  imported  data,  leading  to  a shortened "time to
   99        first picture".
  100 
  101        The _D_a_t_a _E_x_p_l_o_r_e_r _M_o_d_u_l_e _B_u_i_l_d_e_r  is  an  X  windows/Motif
  102        based application that helps users build their own modules
  103        to be included in a custom version of Data Explorer.
  104 
  105        The _D_a_t_a _E_x_p_l_o_r_e_r _T_u_t_o_r_i_a_l is an  application  that  helps
  106        users learn to use Data Explorer by leading them through a
  107        sequence of tasks.  Users can easily skip  around  in  the
  108        tutorial  in  order to concentrate on tasks of most use to
  109        their work.
  110 
  111        For a more complete description of the _D_a_t_a _E_x_p_l_o_r_e_r  _U_s_e_r
  112        _I_n_t_e_r_f_a_c_e  _a_n_d  _E_x_e_c_u_t_i_v_e  see  the IIBBMM VViissuuaalliizzaattiioonn DDaattaa
  113        EExxpplloorreerr UUsseerr''ss GGuuiiddee.  For a more complete description of
  114        the  _D_a_t_a _E_x_p_l_o_r_e_r _D_a_t_a _P_r_o_m_p_t_e_r see the IIBBMM VViissuuaalliizzaattiioonn
  115        DDaattaa EExxpplloorreerr  QQuuiicckkSSttaarrtt  GGuuiiddee.   For  a  more  thorough
  116        description  of  the  _D_a_t_a _E_x_p_l_o_r_e_r _M_o_d_u_l_e _B_u_i_l_d_e_r see the
  117        IIBBMM VViissuuaalliizzaattiioonn DDaattaa EExxpplloorreerr PPrrooggrraammmmeerr''ss RReeffeerreennccee.
  118 
  119 OOPPTTIIOONNSS
  120        With no options the _d_x command starts the Startup  Window,
  121        an  X  windows/Motif program from which the other parts of
  122        the Data Explorer system can be started.  The various com-
  123        mand  line  options and environment variables listed below
  124        can be specified to change the default behavior.
  125 
  126        Options set by including them in  the  DXARGS  environment
  127        variable are placed at the start of the command line, fol-
  128        lowed by any options set by  environment  variables,  fol-
  129        lowed  by explicit command line arguments.  When conflict-
  130        ing options are given, the last option has precedence.
  131 
  132        --88bbiittccmmaapp < private | shared | 0-1  | -1 >
  133               Overrides the DX8BITCMAP environment variable  (see
  134               ENVIRONMENT VARIABLES below).
  135 
  136        --ccaacchhee < on | off >
  137               Turn  on or off the executive caching system.  When
  138               the Data Explorer caching mechanism is enabled  the
  139               Data  Explorer  executive  automatically caches the
  140               intermediate results generated during  its  visual-
  141               ization   computations.   Unlike  standard  caching
  142               mechanisms, these results are accessed by means  of
  143               their functional derivation.  This allows for auto-
  144               matic graph optimization and  helps  to  avoid  the
  145               recomputation of previously utilized intermediates,
  146               especially when  the  Data  Explorer  sequencer  is
  147               being  used.   In certain rare instances, a machine
  148               with a small amount of memory may want  to  disable
  149               this  caching to conserve memory and reduce paging.
  150               Default = on.
  151 
  152        --ccoolloorrss < colors file >
  153               Override DXCOLORS environment variable  (see  ENVI-
  154               RONMENT VARIABLES below).
  155 
  156        --ccoonnnneecctt < host:port >
  157               Start  a distributed executive only (no user inter-
  158               face).
  159 
  160        --ddaattaa < path list >
  161               Override DXDATA environment variable (see  ENVIRON-
  162               MENT VARIABLES below).
  163 
  164        --ddiirreeccttoorryy < dir >
  165               Cause  the  executive to be run in the given direc-
  166               tory.
  167 
  168        --ddiissppllaayy < display name >
  169               Set the name of the X display to  be  used  by  the
  170               user interface and the executive.
  171 
  172        --ddxxrroooott < dir >
  173               Overrides the default dx root directory.
  174 
  175        --eecchhoo < dir >
  176               Echo the command lines without executing them.
  177 
  178        --eeddiitt  Cause  the  user  interface  to be started with the
  179               Visual Program Editor (VPE) window as the top level
  180               window  of the user interface (the top level window
  181               is denoted by an anchor in the upper left hand cor-
  182               ner).  Also see -image, -startup,  and -menubar.
  183 
  184        --eennccooddee < filename >
  185               Encode  the  given file into a binary format with a
  186               key (which must be specified with the -key option).
  187               For example
  188                   dx  -encode  -key  1234567890abcdef foo.net The
  189               resulting file can only be encoded by the  DX  user
  190               interface when the same key is used. For example
  191                   dx -image -key 1234567890abcdef foo-e.net
  192 
  193        --eexxeecc < executive executable >
  194               Use  the given file as a replacement for the execu-
  195               tive.  This option allows a user to build  and  use
  196               his/her own custom executive.
  197 
  198        --eexxeeccoonnllyy
  199               Start the executive in remote mode in which it will
  200               then await a connection from  the  user  interface.
  201               The user interface is not started with this option.
  202               Also see -script.
  203 
  204        --eexxeeccuuttee
  205               Execute once after the user interface  has  made  a
  206               connection with the executive.
  207 
  208        --eexxeeccuuttee__oonn__cchhaannggee
  209               Cause  Data  Explorer  to go into execute-on-change
  210               mode at start up.   Execute-on-change  mode  causes
  211               the  Visual  Program to be executed any time any of
  212               the values (i.e.  module  inupts,  interactor  val-
  213               ues...)  in the program change.
  214 
  215        --ffiillee < filename >
  216               Start  the  Data  Prompter, Module Builder, or Data
  217               Explorer User Interface with the header file  file-
  218               name.
  219 
  220        --ffuullll  When  used  with  -prompter,  starts  the full Data
  221               Prompter.
  222 
  223        --hheellpp  Print a brief listing of options and usage for  _d_x.
  224 
  225        --hhiigghhlliigghhtt < on | off >
  226               Turn  on  or off module execution highlighting.  If
  227               highlighting is turned on, the user interface  will
  228               highlight each module as it is executed.  Default =
  229               on.
  230 
  231        --hhoosstt < host name >
  232               Override DXHOST environment variable (see  ENVIRON-
  233               MENT VARIABLES below).
  234 
  235        --hhwwrreennddeerr < gl | opengl >
  236               Override  the  default hardware rendering choice on
  237               platforms where  both  are  supported.  Default  is
  238               opengl.  Sets  the  DXHWMOD environment variable to
  239               either DXhwdd.o or DXhwddOGL.o.
  240 
  241        --iimmaaggee Cause the user interface to  be  started  with  the
  242               image  window  as  the top level window of the user
  243               interface.  Also, control panels that  are  config-
  244               ured  to  open  automatically are opened.  Also see
  245               -edit, -startup and -menubar.
  246 
  247        --iinncclluuddee < path list >
  248               Override DXINCLUDE environment variable (see  ENVI-
  249               RONMENT VARIABLES below).
  250 
  251        --kkeeyy < 64bit hex >
  252               16  character  hexidecimal  (64bit)  number that is
  253               used to encode and decode .net files. See  -encode.
  254 
  255        --lliicceennssee < type >
  256               Force a specific license for either the user inter-
  257               face or executive.  The following are valid  values
  258               for type:
  259 
  260               runtime:  forces  a  run-time license (UI or execu-
  261               tive).
  262 
  263               timed: forces a timed  (limited  function)  license
  264               (UI only).
  265 
  266               develop:  forces  a developer license (UI or execu-
  267               tive).
  268 
  269        --llooccaall Override the DXHOST environment variable  (if  set)
  270               and  cause  the  executive  to  be run on the local
  271               host.  In the absence  of  the  DXHOST  environment
  272               variable, this is the default.
  273 
  274        --lloogg < on | off >
  275               Turn on or off executive logging.  If logging is on
  276               then the executive logs output to the  file  _d_x_._l_o_g
  277               in  the directory where the executive is executing.
  278               Default = off.
  279 
  280        --mmaaccrrooss < path list >
  281               Override the  DXMACROS  environment  variable  (see
  282               ENVIRONMENT VARIABLES below).
  283 
  284        --mmeennuubbaarr
  285               Start  Data  Explorer  with a menubar as the anchor
  286               window.  Also, control panels that  are  configured
  287               to open automatically are opened.  See also -image,
  288               -edit, and -startup.
  289 
  290        --mmddff < mdf file >
  291               Override the DXMDF environment variable (see  ENVI-
  292               RONMENT VARIABLES below).
  293 
  294        --mmeemmoorryy < # of MB >
  295               Set  the  maximum  amount  of  memory, in megabytes
  296               rounded up to a two  megabyte  boundary,  that  the
  297               executive  is  able  to  allocate.   Default  = the
  298               amount of physical memory minus 8 MB.
  299 
  300        --mmeettrriicc
  301               Have the ui use metric  units  when  possible,  for
  302               example  for  setting  the  image size for printing
  303               postscript images.
  304 
  305        --mmoodduulleess < pathlist >
  306               Set the list of directories to be searched for out-
  307               board modules.
  308 
  309        --mmoorreehheellpp
  310               Displays this information
  311 
  312        --nnooddeeiidd
  313               print  out the node id of the machine that the com-
  314               mand is run on.  The node id is used when  generat-
  315               ing a license.
  316 
  317        --ooppttiimmiizzee < memory | precision >
  318               Select  whether to minimize memory usage or produce
  319               more color-accurate images.  When memory  is  opti-
  320               mized,   image   objects   are  generated  with  24
  321               bits/pixel instead of 96, and ReadImage  will  pro-
  322               duce  delayed color images if supported by the for-
  323               mat. The default is precision.
  324 
  325        --oouuttbbooaarrddddeebbuugg
  326               Enable user to start outboard modules manually  for
  327               debugging when they are called in a visual program.
  328 
  329        --pprroocceessssoorrss
  330               For  Data  Explorer  SMP,  sets   the   number   of
  331               processors to use.
  332 
  333        --pprrooggrraamm < programname >
  334               Start  the  user  interface with the visual program
  335               filename.
  336 
  337        --pprroommpptteerr
  338               Start the data prompter.
  339 
  340        --rreeaaddaahheeaadd < on | off >
  341               Specify whether or not the executive reads ahead in
  342               its  input  stream before executing the commands it
  343               receives from the stream.  If this is  turned  off,
  344               then  the  executive will execute each command line
  345               as it is received.   This  is  useful  for  certain
  346               debugging  purposes, such as memory leak detection.
  347               Default = on.
  348 
  349        --ssccrriipptt [ < script file > ]
  350               Run just the executive in script mode.  If  a  file
  351               name  is provided then the executive reads and exe-
  352               cutes commands from the given script and then  ter-
  353               minates.   If  a file is not provided then when the
  354               executive starts  up  it  enters  _i_n_t_e_r_a_c_t_i_v_e  mode
  355               where it waits for script commands.  Also see -exe-
  356               conly.
  357 
  358        --ssttaarrttuupp
  359               Start Data Explorer with the startup window as  the
  360               initial  window.  This  is  the  default.  See also
  361               -image, -edit, and -menubar.
  362 
  363        --ssuupppprreessss
  364               Do not open any control panels at start-up. This is
  365               used in -image mode and -menubar mode only.
  366 
  367        --ttiimmeedd Start DX using a timed license.
  368 
  369        --ttiimmiinngg < on | off >
  370               Turn  on or off the executive timing mechanism.  If
  371               enabled, then when the executive exits it will list
  372               on  standard  output  or  the  logging  file timing
  373               statistics for each module that was used during the
  374               course of execution.  Default = off.
  375 
  376        --ttrraaccee < on | off >
  377               Turn on or off the executive trace mechanism.  When
  378               tracing is enabled the executive displays  informa-
  379               tive  messages  about  the  execution  sequence  on
  380               either standard output or the log file  if  logging
  381               is enabled.  Default = off.
  382 
  383        --ttrriiaallkkeeyy
  384               Determines the information necessary for generating
  385               a trialkey.
  386 
  387        --ttuuttoorr Start the Data Explorer tutorial.
  388 
  389        --uuiioonnllyy
  390               Cause the user interface to be started without mak-
  391               ing a connection to an executive.
  392 
  393        --vveerrbboossee
  394               Echo  commands  in  the  _d_x script as they are exe-
  395               cuted.
  396 
  397        --vveerrssiioonn
  398               Print version numbers of various executables.
  399 
  400 EENNVVIIRROONNMMEENNTT VVAARRIIAABBLLEESS
  401        The following environment variables provide  an  alternate
  402        way  to  set certain of the command line options, or alter
  403        the default behavior of Data Explorer in some way. Options
  404        set  with environment variables are overridden if the same
  405        option is also specified on the command line.  Options set
  406        with  DXARGS  are overridden by both environment variables
  407        and explicit command line options.
  408 
  409        DDXX88BBIITTCCMMAAPP
  410               When Data Explorer displays images  in  8-bit  win-
  411               dows,  it  makes every effort to create an accurate
  412               representation of the image using the default  col-
  413               ormap  shared  among  applications using 8-bit win-
  414               dows.  If the colors required by Data Explorer  are
  415               not  present  in  the  colormap  and  there are not
  416               enough free color cells  available  in  the  shared
  417               color  map for their allocation, Data Explorer will
  418               find  approximations  among  the  colors  that  are
  419               available.   However, in certain circumstances, the
  420               difference  between  the  desired  color  and   the
  421               approximation  is  found  to  be  too  great  to be
  422               acceptable.  In such circumstances, DX  will  allo-
  423               cate  a private colormap for more accurate results.
  424               In this case, depending on your X server,  you  may
  425               need  to move the mouse to select the Image or Dis-
  426               play window in order  for  the  correct  colors  to
  427               appear.  The -8bitcmap flag sets the level at which
  428               the change to using a  private  colormap  is  made.
  429               The  value  of  this  parameter  should be a number
  430               between 0 and 1, or "private" or "shared",  and  it
  431               repressents  the  Euclidean  distance  in RGB color
  432               space, normalized to 1,  for  the  maximum  allowed
  433               discrepancy.   If you set this parameter to 1, then
  434               a private colormap will never be used. If  you  set
  435               it  to  -1,  then a private colormap will always be
  436               used. The default is 0.1.
  437 
  438        DDXXAARRGGSS This contains the default set of arguments used  by
  439               the  _d_x  script.   The  arguments  are prepended to
  440               those given to _d_x on the command line.  This  vari-
  441               able  allows  for  the _d_x command to be easily cus-
  442               tomized.
  443 
  444        DDXXAAXXEESSMMAAXXWWIIDDTTHH
  445               Sets the number of digits in axes  tick  labels  at
  446               which  a switch to scientific notation is made. The
  447               default is 7.
  448 
  449        DDXXCCOOLLOORRSS
  450               This contains the name of an alternate   file  that
  451               contains  mappings  of  color  names to red, green,
  452               blue triplets in a format like that of the  default
  453               color file found in /usr/lpp/dx/lib/colors.txt.
  454 
  455        DDXXDDAATTAA This contains a colon separated list of directories
  456               in which the executive will search for data  files.
  457               Also see the -data option.
  458 
  459        DDXXDDEELLAAYYEEDDCCOOLLOORRSS
  460               If  set to anything other than 0, enables ReadImage
  461               to create delayed color images if the  image  is  a
  462               tiff  format  image  saved  in a byte-with-colormap
  463               format or a gif image.
  464 
  465        DDXXEEXXEECC Specifies an executive to be run at start-up.
  466 
  467        DDXXFFLLIINNGG
  468               If DXFLING is set to 1, then for  hardware-rendered
  469               images,  in  rotation  mode  and  execute-on-change
  470               mode, if you drag the mouse across the  image,  and
  471               release  the  mouse  button  outside the image, the
  472               object in the image will begin to rotate, and  will
  473               continue  to  rotate  until  you  click  inside the
  474               image.  The direction and speed of the mouse motion
  475               before  release  will affect the rotation direction
  476               and rotation speed of the object in the window.
  477 
  478        DDXXGGAAMMMMAA
  479               Sets the  gamma  correction  for  software-rendered
  480               images  displayed  to  the screen using the Display
  481               and Image tools.  The default value  is  2,  except
  482               for 8-bit windows on the sgi architecture.
  483 
  484        DDXXGGAAMMMMAA__88BBIITT,,
  485               DDXXGGAAMMMMAA__1122BBIITT,, DDXXGGAAMMMMAA__2244BBIITT sets the gamma correc-
  486               tion factor for software-rendered  images  for  the
  487               windows with the indicated window depth.  Overrides
  488               the value set by DXGAMMA.
  489 
  490        DDXXHHOOSSTT This contains the name of  the  host  machine  that
  491               will  run the executive.  If this is not set then a
  492               default of "localhost" is used,  unless  the  local
  493               host  is a PVS console in which case the default is
  494               to run the executive on  the  PVS.   Also  see  the
  495               -host, -local and -server options.
  496 
  497        DDXXHHWWGGAAMMMMAA
  498               Sets  the  gamma  correction  for hardware-rendered
  499               images displayed to the screen  using  the  Display
  500               and Image tools.  The default value is 2.
  501 
  502        DDXXHHWWMMOODD
  503               Specifies   the  name  of  the  hardware  rendering
  504               library to use when more  than  one  is  supported.
  505               Should be either DXhwdd.o or DXhwddOGL.o.
  506 
  507        DDXXIINNCCLLUUDDEE
  508               This contains a colon separated list of directories
  509               in which the executive will search  for  "included"
  510               scripts.  Also see the -include option.
  511 
  512        DDXXMMAACCRROOSS
  513               This contains a colon separated list of directories
  514               in which the user  interface  searches  for  macros
  515               that will be automatically loaded.  When running in
  516               script mode one must "include" all  the  macros  by
  517               hand  prior  to  referencing  them.   Also  see the
  518               -macros option.
  519 
  520        DDXXMMDDFF  This contains the name of a module description file
  521               (mdf) that contains user defined modules for a cus-
  522               tomized version of the  executive.   Also  see  the
  523               -mdf option.
  524 
  525        DDXXMMEEMMOORRYY
  526               sets  the  amount of memory (in megabytes) that can
  527               be used by the executive.
  528 
  529        DDXXMMOODDUULLEESS
  530               This contains a colon separated list of directories
  531               in  which  the executive searches for outboard mod-
  532               ules.  Also see the -modules option.
  533 
  534        DDXX__NNEESSTTEEDD__LLOOOOPPSS
  535               For faces, loops, and edges data,  if  set,  allows
  536               loops  other  than the enclosing loop for a face to
  537               be listed first. However,  there  is  a  consequent
  538               decrease  in  performance if this environment vari-
  539               able is set.
  540 
  541        DDXXNNOO__BBAACCKKIINNGG__SSTTOORREE
  542               If set to anything, disables framebuffer readbacks.
  543               Setting  this environment variable may improve per-
  544               formance  of  interaction  with  hardware  rendered
  545               images,  especially for machines for which readback
  546               is slow. The default behavior is  that  framebuffer
  547               readbacks  are enabled. If you set this environment
  548               variable, not  that  some  interactions  using  the
  549               Image  tool  will  result  in  a  black image while
  550               interaction is taking place. However,  if  you  are
  551               not  using  the  Image  tool, it is strongly recom-
  552               mended that you set this environment variable.
  553 
  554        DDXXPPIIXXEELLTTYYPPEE
  555               sets the image type to either 24-bit  color  images
  556               or    floating-point-based   96-bit   images   (the
  557               default). This affects the behavior of  Render  and
  558               ReadImage.   This  variable  can  be  set to either
  559               DXByte (24 bits) or  DXFloat  (96  bits).   Setting
  560               this  variable to DXByte will result in images tak-
  561               ing up less memory.
  562 
  563        DDXXPPRROOCCEESSSSOORRSS
  564               Sets the number of processors to be used  for  Data
  565               Explorer SMP.
  566 
  567        DDXXRRSSHH  Specifies the remote shell command to use when con-
  568               necting to other systems (such as those when  using
  569               distributed execution). The default is the the path
  570               to rsh.
  571 
  572        DDXXRRSSHH__NNOOEENNVV
  573               Prevents the remote  "invoke  dxexec"  script  from
  574               being  written with a full carbon copy of the local
  575               environment (only DISPLAY is set).
  576 
  577        DDXXRROOOOTT Specifies the top-level directory for all the files
  578               and directories needed by Data Explorer.
  579 
  580        DDXXSSHHMMEEMM
  581               If  set  to  anything  other than -1, forces shared
  582               memory to be used (if allowed by the architecture).
  583               If set to -1, (if allowed by the architecture) will
  584               cause the  data  segment  to  simply  be  extended.
  585               Please  see  Appendix  C  of the Data Explorer User
  586               Guide for more information.
  587 
  588        DDXX__SSOOCCKKEETT__BBUUFFSSIIZZEE
  589               Allows the user to specify the size of the send and
  590               recieve  buffers  for the socket connection between
  591               the UI and the exec. This value is clamped  to  the
  592               max  allowed  by the system. This can fix a problem
  593               where the executive and UI hang involving  a  dead-
  594               lock  situation  in  the  socket communication. The
  595               value assigned to it is passed as the parameter  to
  596               setsockopt for SOL_SNDBUF and SOL_RCVBUF. A typcial
  597               increased value may be 262144.
  598 
  599        DDXX__UUSSEERR__IINNTTEERRAACCTTOORR__FFIILLEE
  600               Specifies a file containing  user  interactors  for
  601               use  by the SuperviseState and SuperviseWindow mod-
  602               ules.
  603 
  604        DDXX__WWEEBB__BBRROOWWSSEERR
  605               Under UNIX specifies the web browser to launch  for
  606               viewing  the  HTML documentation. Under Windows and
  607               MacOS X  setting  this  environment  variable  will
  608               launch the systems default web browser.
  609 
  610 EEXXAAMMPPLLEESS
  611        The  next few examples assume that none of the DX environ-
  612        ment variables have been set.
  613 
  614        1. To start both the user interface and the executive with
  615        the network named _c_f_d_._n_e_t:
  616               dx -edit -program cfd
  617 
  618 
  619        2.  To  start  and  execute  the visual program _c_f_d_._n_e_t in
  620        image mode with /usr/users/me and /usr/data as data direc-
  621        tories:
  622               dx  -image -execute -data '/usr/users/me:/usr/data'
  623               cfd
  624 
  625        3. To run just the executive on the script named _f_1_5_w_i_n_g:
  626 
  627               dx -script -file f15wing
  628 
  629        4. To start the user interface and execute the  user  cus-
  630        tomized  executive  named _m_y_d_x_e_x_e_c containing user defined
  631        modules described in _c_u_s_t_o_m_._m_d_f:
  632 
  633               dx -edit -mdf custom.mdf -exec mydxexec
  634 
  635        5. To start the Data Prompter :
  636 
  637               dx -prompter
  638 
  639        6. To start the Module Builder :
  640 
  641               dx -builder
  642        7. To start the Tutorial :
  643 
  644               dx -tutorial
  645 
  646 
  647 SSEEEE AALLSSOO
  648        README* - The README file(s) found in the dx
  649               installation  directory  are  an  added  source  of
  650               information.   html/allguide.htm contains html ver-
  651               sions of the documentation.
  652 
  653 
  654 
  655 IBM Visualization Data Explorer                            DX(1V)