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|
* Microsoft Windows 95/NT specific README for IBM Visualization Data Explorer
*
*
*
The information contained in this file consists of
architecture-specific hints for using the system, help with functions
that may not be apparent, and last minute updates to the existing
documentation. It is advisable to review this file any time Data
Explorer updates are applied.
IMPORTANT: Please look over 4.4, "Known issues with this version" and
4.5, "Troubleshooting" each time you install Data Explorer.
--------------------------------------------------------------------------------
1.0 Contents
2.0 System configuration . . . . . . . . . . . . . . . . . . . . 1
2.1 Prerequisite Hardware . . . . . . . . . . . . . . . . . . . 1
2.2 Prerequisite Software . . . . . . . . . . . . . . . . . . . 1
3.0 Installation Notes . . . . . . . . . . . . . . . . . . . . . 1
3.1 Data Explorer . . . . . . . . . . . . . . . . . . . . . . . 1
3.2 X Server . . . . . . . . . . . . . . . . . . . . . . . . . . 1
4.0 Running Data Explorer . . . . . . . . . . . . . . . . . . . 1
4.1 Samples . . . . . . . . . . . . . . . . . . . . . . . . . . 1
4.2 To get command line help and Data Explorer options . . . . . 1
4.3 File name specification: / vs. \ and ; vs. : . . . . . . . . 1
4.4 Known issues with this version . . . . . . . . . . . . . . . 1
4.5 Troubleshooting . . . . . . . . . . . . . . . . . . . . . . 1
Starting DX produces warning screen: XLIB - Cannot open connect
stream. . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
The name specified is not recognized as an internal or external
command. . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Can't find file in directory or DXDATA path . . . . . . . . . . 1
Can't find macro ... . . . . . . . . . . . . . . . . . . . . . 1
Trouble double-clicking on items and general mouse interaction
issues . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
X Server complains when you close a window . . . . . . . . . . 1
Images first appear red . . . . . . . . . . . . . . . . . . . . 1
Nothing happens when Start Server-->Options... is clicked. . . 1
Slow startup/execution when off the network. . . . . . . . . . 1
Trouble starting Data Explorer . . . . . . . . . . . . . . . . 1
UI is unable to connect to the Executive . . . . . . . . . . . 1
DXhwddOGL.dll not found . . . . . . . . . . . . . . . . . . . . 1
Visual program doesn't completly load . . . . . . . . . . . . . 1
4.6 Windows Tips . . . . . . . . . . . . . . . . . . . . . . . . 1
How to connect a Windows dx ui to a Unix dx executive . . . . . 1
4.7 Data Explorer registration types . . . . . . . . . . . . . . 1
Visual Programmer . . . . . . . . . . . . . . . . . . . . . . . 1
Visual Programmer with OpenGL . . . . . . . . . . . . . . . . . 1
Runtime . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Developer . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Beta or Trial . . . . . . . . . . . . . . . . . . . . . . . . . 1
4.8 Server and Client installation . . . . . . . . . . . . . . . 1
4.9 Data Explorer Development Version Notes . . . . . . . . . . 1
DXLink specific information . . . . . . . . . . . . . . . . . . 1
Loadable modules (DLL) specific information . . . . . . . . . . 1
4.10 Installing Hummingbird Exceed (and Exceed 3D) from the
included trial diskette. . . . . . . . . . . . . . . . . . . . . 1
4.11 X server settings (for best performance) . . . . . . . . . 1
5.0 Data Explorer Support . . . . . . . . . . . . . . . . . . . 1
--------------------------------------------------------------------------------
2.0 System configuration
2.1 Prerequisite Hardware . . . . . . . . . . . . . . . . . . . 1
2.2 Prerequisite Software . . . . . . . . . . . . . . . . . . . 1
--------------------------
2.1 Prerequisite Hardware
It is recommended that you have at least the following system
configuration:
o 80486 or Pentium PC
o 16 Megabytes RAM (Recommended at least 32 Megabytes)
o 50 Megabytes of hard disk for Data Explorer installation
o Minimum 50 Megabytes of hard disk for swap/page space
--------------------------
2.2 Prerequisite Software
The following are required and must be at or greater than the
specified release level:
o Windows 95, Windows NT 3.51, or later versions of either
o TCP/IP
o X Server
o OpenGL hardware rendering requires Hummingbird Exceed 3D
--------------------------------------------------------------------------------
3.0 Installation Notes
3.1 Data Explorer . . . . . . . . . . . . . . . . . . . . . . . 1
3.2 X Server . . . . . . . . . . . . . . . . . . . . . . . . . . 1
------------------
3.1 Data Explorer
During the installation of Data Explorer you will be prompted for a
user registration key. You may complete the installation without a
key, but Data Explorer will only run for a few minutes at a time if it
is not properly registered. To obtain a registration key, send e-mail
with your name, company's name, and the machine's operating system (95
or NT), and the type of registration (Trial, Beta, Visual Programmer,
Visual Programmer with OpenGL, Runtime, Developer) to
ibmdx@watson.ibm.com.
You may complete the installation and register later by
double-clicking the "Register DX" icon. Make sure to save the
registration key information somewhere safe.
Installing Data Explorer onto a hard drive is done as follows:
1. Place the Data Explorer CD into the CD-ROM drive;
2. From the Windows Start menu, choose "Run..." and enter "D:\setup",
where "D:" is your CD-ROM drive letter;
3. Follow the instructions given.
The install process will create a Data Explorer folder from which you
can immediately start Data Explorer simply by double-clicking on the
DX icon. (This assumes the X server has been installed and configured
correctly.) The Exceed X server need not be started prior to starting
Data Explorer, but Data Explorer will start more quickly if the X
server is already running.
If you intend to start Data Explorer from the command line, you should
configure the environment so that the PATH variable includes d:\dx\bin
(assuming Data Explorer was installed in d:\dx).
-------------
3.2 X Server
Data Explorer has been designed to use the Hummingbird Exceed X
Server, but, properly configured, other PC X servers should work fine
also. The X server configuration notes and troubleshooting below are
specific to the Hummingbird Exceed X server, but may apply to other X
servers in a similar way.
X Server settings: For best performance with the X server, turn off
Window panning in the X configuration window. Furthermore, turn off
"Full Drag" in the NT Desktop configuration window or in the
Plus!Display settings. Finally go to "Window Mode-->Advanced" and
turn "Delay Window Mapping" off. Also "Warn on Exit" should be off.
If you don't intend to use the X server to connect to remote X
clients, go to "Transports" and switch to "Local Only".
The DISPLAY environment variable need not be defined, but if it is
defined it should correspond to 0:0, localhost:0, localpc:0, or
hostname:0 (where hostname is the name of the local or remote display
machine).
If you have the OpenGL version of Data Explorer, you will need to
install Exceed 3D to use OpenGL rendering. Note that even if you don't
have a graphics card, you can still use software based OpenGL.
You should have TCP/IP installed so that you can ping localhost and
localpc at a command line. If you remove the computer from a network,
this may cease to work unless you install the Microsoft Loopback
Adapter (on NT) or DialUp adapter (Win95). If you observe slower
performance when off the network, see troubleshooting below. You
should always be able to ping localhost and localpc from a DOS command
window. If you do not have the "ping" command installed on your
computer, it probably means you have not fully installed TCP/IP.
If you do not have a network adapter card, go to Network settings
under the Control Panel. Using "Add Adapter", add MS Loopback Adapter
(on NT) or DialUp Adapter (Win95).
You may want to define host names localhost and localpc at address
127.0.0.1 if your are using Data Explorer without attachment to a
network. Create a HOSTS file in your windows directory or in your etc
directory if you do not already have one. To confirm that TCP/IP is
working, try pinging localhost, localpc, and 127.0.0.1. If you still
have problems, try defining them also in a lmhosts file in the same
directories.
--------------------------------------------------------------------------------
4.0 Running Data Explorer
4.1 Samples . . . . . . . . . . . . . . . . . . . . . . . . . . 1
4.2 To get command line help and Data Explorer options . . . . . 1
4.3 File name specification: / vs. \ and ; vs. : . . . . . . . . 1
4.4 Known issues with this version . . . . . . . . . . . . . . . 1
4.5 Troubleshooting . . . . . . . . . . . . . . . . . . . . . . 1
Starting DX produces warning screen: XLIB - Cannot open connect
stream. . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
The name specified is not recognized as an internal or external
command. . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Can't find file in directory or DXDATA path . . . . . . . . . . 1
Can't find macro ... . . . . . . . . . . . . . . . . . . . . . 1
Trouble double-clicking on items and general mouse interaction
issues . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
X Server complains when you close a window . . . . . . . . . . 1
Images first appear red . . . . . . . . . . . . . . . . . . . . 1
Nothing happens when Start Server-->Options... is clicked. . . 1
Slow startup/execution when off the network. . . . . . . . . . 1
Trouble starting Data Explorer . . . . . . . . . . . . . . . . 1
UI is unable to connect to the Executive . . . . . . . . . . . 1
DXhwddOGL.dll not found . . . . . . . . . . . . . . . . . . . . 1
Visual program doesn't completly load . . . . . . . . . . . . . 1
4.6 Windows Tips . . . . . . . . . . . . . . . . . . . . . . . . 1
How to connect a Windows dx ui to a Unix dx executive . . . . . 1
4.7 Data Explorer registration types . . . . . . . . . . . . . . 1
Visual Programmer . . . . . . . . . . . . . . . . . . . . . . . 1
Visual Programmer with OpenGL . . . . . . . . . . . . . . . . . 1
Runtime . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Developer . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Beta or Trial . . . . . . . . . . . . . . . . . . . . . . . . . 1
4.8 Server and Client installation . . . . . . . . . . . . . . . 1
4.9 Data Explorer Development Version Notes . . . . . . . . . . 1
DXLink specific information . . . . . . . . . . . . . . . . . . 1
Loadable modules (DLL) specific information . . . . . . . . . . 1
4.10 Installing Hummingbird Exceed (and Exceed 3D) from the
included trial diskette. . . . . . . . . . . . . . . . . . . . . 1
4.11 X server settings (for best performance) . . . . . . . . . 1
------------
4.1 Samples
To run the samples shipped with Data Explorer, simply double click on
the "DX Startup Menu" icon and select Samples, then go to the
/dx/samples/programs directory if you are not already there. A file
dialog will appear with the names of the available program (*.net)
files. Select one by double-clicking on the file name with the left
mouse button. Run the file by selecting Execute-->Once. See the
on-line help for more information on options for running Data
Explorer.
Help is available on-line through the Visual Program Editor (VPE)
"Help" menu, or by placing the cursor over a module and pressing the
F1 key. A description of each sample can be found under
Help-->Application Comment. (You can also view the HTML documentation
files by double-clicking the "DX Help" icon in the Data Explorer
folder, which will launch your current web browser).
Note: Although Data Explorer starts in the samples directory by
default, we strongly recommend doing your own work in a directory
completely separate from the Data Explorer file structure. You might
want to make your own desktop shortcut that starts Data Explorer in
your preferred directory. Follow the instructions that come with
Windows to copy the Data Explorer shortcut from the start menu to the
desktop and change its properties so the "Start in" directory
corresponds to your personal directory.
To run Data Explorer from a DOS command line, make sure the Data
Explorer bin directory (typically d:\dx\bin) has been added to the
Path environment variable. Then just type "dx" to bring up the Data
Explorer Startup panel, or "dx -edit" to bring up the VPE.
Note: The documentation for the Unix platforms suggests typing "dx
&". Note that the "&" is a Unix command option that does not apply to
PC environments. Also note that the documentation refers to directory
"/USR/LPP/DX"; when reading the documentation, regard this as the
directory in which you installed Data Explorer.
The dx.exe file that launches Data Explorer will automatically define
DXDATA and DXMACROS to point to the sample data and macros. If you
define your own macros and data path, the sample data and macros will
be appended to end of the path list so they can always be found.
-------------------------------------------------------
4.2 To get command line help and Data Explorer options
Type:
dx -help
or
dx -morehelp
(assumes "d:\dx\bin" is in the path)
For more help, double-click on the "DX Help" icon which will load the
HTML documentation in your Web browser. For a tutorial on Data
Explorer, double-click on the "DX Tutorial" icon.
-------------------------------------------------
4.3 File name specification: / vs. \ and ; vs. :
Data Explorer uses forward slash path specifiers, such as /usr/lpp/dx.
This is because 1) it helps maintains portability of nets with the
Unix version and 2) in many situations, the "\" character is
interpreted as an escape character. In all the Data Explorer dialog
windows, forward slashes should be used. This also applies to
environment variables, with the exception of those read directly by
the operating system, such as DXROOT.
In addition, multiple path specifiers are separated by ; rather than
:. Thus the following would be a correct way to define DXDATA:
set DXDATA=d:/myfiles/newdata;f:/mydir/mydata
-----------------------------------
4.4 Known issues with this version
Some large .net files have caused the UI to hang due to a problem with
some X servers. A workaround is to start Data Explorer with the option
"-synchronous", which should allow large nets to display. If possible,
convert the large program to one that is "pageified", so that it will
be more organized and display faster. Sometimes the UI may suddenly
stop drawing until prompted by a mouse movement in the VPE window. If
the UI seems to stop, first try moving the mouse in the window.
Import filters will work, but the filter's directory must be in the
PATH environment variable, and the data file used must be fully
specified. This means you must modify the sample program
ImportExternalFilter.net before it will work. (Add d:\dx\samples\data
to the path and specify "Import(!externalfilter
d:/dx/samples/data/external.data)" - assuming you have installed dx in
d:\dx.)
The Data Prompter screen is larger than most laptop screens, making it
difficult to access the bottom options. You should be able to access
the entire window by running the X Configuration routine supplied with
the X server to set Window Panning On, with a value of 50 or so.
Unfortunately this will not allow access to the bottom of the prompter
if you have the Auto Hide feature enabled for the Windows Start menu,
so you must disable this (by right clicking on a blank region of the
Windows start menu and selecting properties). Furthermore, you may
want to turn the panning back off when running Data Explorer if you
observe any artifacts due to the window panning feature. It is easy to
turn panning on and off by clicking on the X server option panel that
appears on the desktop when the X server is running.
--------------------
4.5 Troubleshooting
Starting DX produces warning screen: XLIB - Cannot open connect stream.
The X server is unable to start on its own, so try starting it
manually.
Make sure you can ping localhost from a DOS command line.
The name specified is not recognized as an internal or external command.
Make sure d:\dx\bin has been added to the PATH environment variable if
you are starting Data Explorer from a command line.
Can't find file in directory or DXDATA path
Make sure you have correctly defined DXDATA to include all the data
directories you need to access, either by defining the environment
variable DXDATA or at the command line, "dx -data ..."
Can't find macro ...
Make sure you have correctly defined DXMACROS to include all the macro
directories you need to access, as described for DXDATA above.
Trouble double-clicking on items and general mouse interaction issues
Study the various XConfig options in Exceed and see if you find
settings that work better for you.
X Server complains when you close a window
Find the "Warn on Exit" option in the X server configuration dialog
that comes with Exceed, and turn it off.
Images first appear red
This appears to be related to using 8-bit color depth with a 3D
version of the X server. Change the color depth of the image (using
"Image-->Options-->Image Depth") to 24-bit and the colors will display
correctly.
Nothing happens when Start Server-->Options... is clicked.
See 4.11, "X server settings (for best performance)" and make sure
"Delay Window Mapping" is off.
Slow startup/execution when off the network.
Make sure you can ping localhost from a command line successfully, and
that it is defined as 127.0.0.1. If you still have a problem, try
defining "localpc" (in addition to localhost) as 127.0.0.1 in the
Windows "hosts" file either in the WINDOWS directory or in the ETC
directory under NT. If you do not already have a "hosts" file, look
for "hosts.sam" on your disk and copy it to "hosts", and then make
your modifications in the new hosts file. If your machine has an IP
address, try adding the line:
ip-address machine-name
where "ip-address" is the machine's IP address, and "machine-name" is
the machine's name. If you still have problems, try adding localhost
and localpc to the lmhosts file in the same directory as hosts.
If you are off the network and the X server or Data Explorer takes a
long time to start, you may need to Disable your name server, using
the Windows Control panel-->Network configuration tool.
Trouble starting Data Explorer
If you still seem to be having trouble starting Data Explorer, see if
you are using a socks.cnf file. Check your \windows\system directory
(on Windows 95), or the \etc directory (on Windows NT) for the file
socks.cnf. If you find one, try adding the line:
direct 127.0.0.1 255.255.255.0
towards the bottom of the file where you find other "direct" commands.
This will prevent local TCP/IP communication from trying to go to a
remote socks server.
UI is unable to connect to the Executive
Errors during initialization may be due to incomplete TCP/IP setup.
If the UI comes up but is unable to connect to the Executive, make
sure TCP/IP is set up correctly. Also, make sure you don't already
have a copy of the Executive running.
DXhwddOGL.dll not found
This message occurs when an Image window is trying to display with
hardware rendering, but you do not have a 3D X server installed. To
prevent the error, switch the Image window to software rendering mode
(Options-->Rendering Options-->Software) or install a 3D version of
the X server, along with the OpenGL version of Data Explorer.
Visual program doesn't completly load
Try starting Data Explorer with the "-synchronous" option. Then break
your network into pages.
-----------------
4.6 Windows Tips
How to connect a Windows dx ui to a Unix dx executive
1. Start the executive on the Unix machine with dx -exonly -license
self
2. Note the port number displayed (assume it's 1900)
3. Start the UI on the PC with dx -host unix_host_name -port 1900
4. The Windows UI should then connect to the Unix executive
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4.7 Data Explorer registration types
Visual Programmer
Allows creation of nets (visual programs) but does not allow execution
of a user's own custom modules. It also does not allow the use of
hardware (OpenGL) rendering.
Visual Programmer with OpenGL
Same as Visual Programmer but allows OpenGL rendering. This also
requires Hummingbird Exceed with Exceed 3D. You do not need a 3D
hardware graphics card to use OpenGL, as software-based OpenGL will be
used automatically if no 3D hardware graphics card is found.
Runtime
Allows loading and running of nets and custom modules with OpenGL
support (as long as Exceed 3D is installed as described above) but
does not allow the creation or modification of visual programs.
Developer
Same as Visual Programmer with OpenGL but also allows the creation and
loading of custom modules that incorporate a user's C-code. These
modules are compiled as DLLs that can be loaded by the DX executive.
Beta or Trial
Allows full use of the product and development components but only for
a brief trial period.
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4.8 Server and Client installation
If you have purchased a multi-user registration for Data Explorer you
may install it once on a networked computer. Other computers that have
that computer mounted on a remote drive may perform a quick client
installation that does not install files locally, nor does it require
re-entry of the registration information.
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4.9 Data Explorer Development Version Notes
The Data Explorer Development version allows the use of DXLink to
control Data Explorer from your application. It also allows the
creation of loadable modules as DLLs that extend the functionality of
Data Explorer by incorporating your own C-code. Note that the creation
of loadable modules requires the command "awk", to be available on the
computer.
You should define the following environment variables:
"DXROOT=d:\dx" (or wherever you installed it)
"ARCH=intelnt" (this is the same for NT and Win95)
You should also make sure that d:\dx\bin is in your path.
As indicated in the intelnt Makefiles, the following should be defined
during compilation:
ARCH=intelnt
intelnt
Also, your code should include windows.h and winsock.h as needed.
DXLink specific information
You should include a call to initialize sockets in your application
using
WSAStartup(MAKEWORD(1,1), &wsastartup);
Consult the sample "sealevel.c" for an example of how to do this. We
also recommend using
DXLSetSynchronization(conn, 1);
to run DXLink in synchronized mode.
Loadable modules (DLL) specific information
To avoid a conflict between Data Explorer and Windows header files you
should undefine "ERROR_DATA_INVALID" after loading windows.h.
In order to use the DLL you should start Data Explorer with
dx -modules d:\where_my_dlls_are -mdf d:\my_mdfs\my_mdf.mdf
In other words, -modules should be a directory containing the DLLs and
-mdf shoud be the actual mdf file for the DLLs. Remember that "Visual
Programmer" versions of Data Explorer will not allow use of the DLLs,
but Runtime and Developer versions will.
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4.10 Installing Hummingbird Exceed (and Exceed 3D) from the included trial
diskette.
1. Follow directions on the CD appropriate for your Windows version:
95 or NT.
2. You must install Exceed (or a different X server) in order to use
Data Explorer.
3. If your Data Explorer registration allows OpenGL support (see
above) you should also install Exceed 3D after installing Exceed.
4. For Data Explorer you only need the X server components of the
Hummingbird product suite (i.e. Exceed and, for OpenGL, Exceed 3D)
but you may have other uses for the networking tools.
5. The included Hummingbird trial disk is a free trial that will
expire after installation, but included on the disk are ordering
instructions for purchasing the X server at a discount with your
Data Explorer purchase. You must purchase a licensed version of
Exceed in order to keep it from expiring. If you also need OpenGL
support you should purchase Exceed 3D in addition.
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4.11 X server settings (for best performance)
1. Delay Window mapping should be off
2. Warn On Exit should be off
3. Window panning should be off
4. "Transports" should be local/Network, but if you have trouble when
off a network try setting Transports to local only.
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5.0 Data Explorer Support
If you encounter problems with this version, please contact Data
Explorer Support at dxsupp@watson.ibm.com. In the note, indicate the
version and platform you are using, along with details of the problem
you have encountered. Also be sure to watch our web page at
"http://www.almaden.ibm.com/dx/" for news and updates.
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The following trademarks apply to this information:
IBM is a registered trademark of International Business Machines
Corporation.
OpenGL is a registered trademark of Silicon Graphics, Inc.
Windows NT and Windows 95 are registered trademarks of Microsoft
Corporation.
Exceed X Window System and Exceed 3D are registered trademarks of
Hummingbird Communications Ltd.
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