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README
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T O P D R A W E R
Version 5. 12
on
L I N U X
Release 1.4c
H. Okamura
Department of Physics
University of Tokyo
This is a port of Topdrawer 5.12 to Linux with a number of en-
hanced features (most of them are the revival of ones lost in the
FNAL version). Please report problems to okamu-
ra@timshel.riken.go.jp. This is a private release and is NOT of-
ficially supported by Univ. of Tokyo or by RIKEN.
See the bottom of this document for the resent upgrade. The lat-
est release is available from ftp://iris.riken.go.jp/pub/topdraw-
er/ .
1. Introduction
Topdrawer is a keyword-driven interface designed to produce
physics graphs with minimal specifications. It was originally
developed by R.B. Chaffee at SLAC. The Unified Graphics System
(UGS), which was also developed at SLAC by R.C. Beach, was used
for the graphics primitives and thus the various platforms were
supported at that time.
Later the function was significantly enhanced by J. Clement at
Bonner Lab., RICE University. A number of fancy features such as
3-dimensional plot and function-fitting were introduced. This
new version was implemented on VAX/VMS making most of its ad-
vanced system libraries, but deteriorating the portability at the
same time.
As the major operating system had shifted from VAX/VMS to UNIX on
RISC workstations, Topdrawer 5.12, the latest version in 1993,
was ported to UNICES by A.E. Kreymer at FNAL. It is a great task
(imagine, the device-dependent module for the X Window System was
written by Fortran in the original version !!) but some impor-
tant features, such as interactive execution, were omitted.
In the present port to Linux, some features lost in the FNAL ver-
sion have been restored. Also some enhancements which were made
at KEK and at University of Tokyo for the VMS version have been
incorporated. Consideration has been paid also for the portabil-
ity. The source can be compiled by f2c and g77 (f2c is enough
for most part). The device-dependent module for the X Window
System has been extensively re-written and the Motif widget, the
use of which requires the license, has been excluded. The plat-
form-dependence is solved by using Imake, like the most GNU-ori-
ented softwares. The program has been exported back to OSF/1
(Digital Unix) and to SunOS. I expect ports to other platforms
will be also easy and straightforward.
This document has not been completed. For a quick survey, some
enhanced features will be demonstrated by invoking
% td $(TOPDRAW_DIR)/examples/whatsnew.top
The complete description of Topdrawer 5.12 can be found in $(TOP-
DRAW_DIR)/doc/topdrawer.{doc,html}. But please note they are for
the VMS (Bonner Lab.) version and some parts contradict with the
present version.
The interactive execution and the online help have been incorpo-
rated by using a part of GNUPLOT source. I desire to express my
appreciation to the authors of GNUPLOT.
2. Functions restored from FNAL version
o Interactive execution
The present version of topdrawer can be invoked in the following
three ways:
% td # command-name alone
% td file-spec # command-name followed by a filename
% td < file-spec # redirecting stdin
In the first case, topdrawer is invoked in an interactive-mode
and the prompting string "TD: " will appear. Ordinary editing
controls by arrow keys, various control characters such as ^A, ^E
etc, as well as history recall, are available. If you feel the
prompting string is annoying in "cut & paste" work, it can be set
to null by the command
SET PROMPT MAIN ""
In the second case, topdrawer is invoked in a batch mode and the
content of file will be executed. It pauses, however, at the
page break which is specified by NEW_FRAME or EXIT command if X
Window System or Tektronix 4010 is used as a plotting device. A
prompting string "PAUSE: " will appear on the tty. The execution
will be continued simply by pressing RETURN or by entering CON-
TINUE command, and will be stopped by entering EXIT or HALT com-
mand.
In the third case, topdrawer is invoked in a batch mode but does
not pause at the page break (*). On X Window System, all figures
are drawn successively and you will not be able to catch up de-
tails before the window is closed :-< This type of invoke-method
was prepared not for using the topdrawer in a stand-alone mode
but for using it as a subprocess of another interpreter. In
Tcl/Tk, for example, all the drawing ability of topdrawer can be
utilized in the following way:
set fd [open |td w]
puts $fd <topdrawer-commands>
(*) This feature can be modified by '-w' option. If the device
is an interactive one such as X11, topdrawer will wait for SIG-
NALs when it encounters a NEW_FRAME command or an EOF of input.
SIGUSR1 is used for CONTINUE and SIGUSR2 for STOP. Other SIGNALs
will be ignored (if it is maskable). "-w" is used in Emacs-Lisp
"td.el" which allows one to invoke td from within Emacs without
saving buffers. See contrib/elisp/README.elisp for details.
o Online help
Type HELP to invoke online help. The location of the help file
"topdrawer.gih" has to be specified by the environment variable
TD_HELP, and the pager by PAGER.
o SPAWN (invoking sub-shell)
A sub-shell, which is specified by the environment variable
SHELL, is invoked simply by typing SPAWN. If any argument is
provided, it will be executed in the sub-shell. The argument can
consists of several words but do NOT enclose them by quotation
marks (""). The "pseudo pipe" described later will be practical-
ly more useful in many cases.
It should be noted that the command delimiter ";" for ordinary
shells is also a delimiter (command terminator) for the topdrawer
by default. In order to execute several shell commands at a
time, the command terminator of topdrawer has to be modified like
in the following way:
SET CHARACTER TERMINATOR "&" (new terminator is &)
SET CHARACTER SPECIAL ";" (SPECIAL means meaningless :-)
BTW, SET CHARACTER command is also useful in modifying comment
characters, the default of which is a pair of "(" and ")", e.g.
SET CHARACTER COMMENT "!" (like VMS DCL)
SET CHARACTER COMMENT "#" (like UNIX script)
SET CHARACTER COMMENT "*" (like FORTRAN free format)
SET CHARACTER COMMENT "{" (like Pascal)
SET CHARACTER ENDCOMMENT "}"
But let me suggest you that the most practical method to comment
out some block of statements is to use the (ridiculous) IF state-
ment:
IF 0 .NE. 0 THEN
....
ENDIF
o Command definition
Local commands can be defined like in the following way:
DEFINE COMMAND INCLUDE "SET FILE INPUT="
By this declaration, INCLUDE <filename> works in the same way as
SET FILE INPUT=<filename>. The same job can be done by defining
an environment variable before invoking td, e.g.
% setenv TD_C_INCLUDE "SET FILE INPUT=" (csh)
$ export TD_C_INCLUDE "SET FILE INPUT=" (bsh)
Local commands currently defined are listed by
SHOW COMMAND
Unfortunately, abbreviation of the local command, which was
available in the VMS version, does not work. Namely, the defini-
tion
DEFINE COMMAND INC*LUDE "SET FILE INPUT="
which used to allow both the command INCLUDE and INC, is not
available.
The argument for the local command can be referred to in the same
way as for the alias command on the Unix shell, i.e. by using
!:n n-th argument
!^ 1-st argument
!$ last argument
!* all arguments
o Lexical definition
Local variables (referred to as LEXICAL according to VMS DCL) can
be defined by DEFINE VALUE for a numeric value, and by DEFINE
STRING for a character string, e.g.
DEFINE VALUE THETA=0
DEFINE STRING NAME="Yumiko"
By these declarations, their contents can be referred to like in
the following way:
SET LIMIT X FROM V_THETA TO 360
TITLE TOP 'My name is ' S_NAME
It should be noted that lexicals defined by DEFINE VALUE command
can be referred also as strings by prefixing 'S_', for example,
DEFINE VALUE TMP=<SIN(30)>
TYPE S_TMP
prints the value of sine 30-degree.
Like the local command, lexicals can be also defined by environ-
ment variables of the shell:
% setenv TD_V_THETA .0
% setenv TD_S_NAME Yumiko
Lexicals currently defined are listed by
SHOW VALUES
SHOW STRINGS
But they do NOT show the "system" variables, which are listed by
HELP LEXICAL_VALUES LIST_OF_NAMES
It should be noted that values can be set to the system variables
which will lead to unexpected results.
Lexicals can be used anywhere constant values/strings are allowed
to be placed. In addition, a formula enclosed by a pair of an-
gle-brackets (< >) is evaluated before it is referred to. For
example,
REPEAT "V_THETA <SIN(THETA)>; -
DEFINE VALUE THETA=<THETA+1>" 361
creates a set of data for the sine function. As can be seen from
example, the prefix 'V_' is not required for referring lexicals
in the angle-brackets calculation. Please note the "-" at the
end of a line stands for the continuing mark, like in VMS DCL.
Also "\" can be used, like in Unix shells. However, the length
of command line is limited to be less than 512 characters.
Please use DEFINE COMMAND to give a longer command line, but the
length of strings fed to DEFINE COMMAND is also limited to be
less than 512 characters.
o Initialization
The file ~/.topdrawrc, if it exists, will be executed at the time
td is invoked. It is convenient to modify the default values,
such as the comment character, or to define some local commands.
o Cursor readout
An interactive method for obtaining the logical/physical coordi-
nate is provided, but only for X Window System. Type
SHOW CURSOR
and see what happens. Look up the reference manual to see ad-
vanced usages of the mouse-cursor.
o Bitmap font on X Window System
Although the DUPLEX font has better quality in the PostScript
output, the BITMAP (raw) font, in X Window System, has advantages
in the drawing speed and in the readability for small figures.
Enter the commands
SET FONT BASIC
SET MODE VECTOR=OFF
and see the raw font is used. X font can be modified by editing
the resource file (see below). Currently it can not be dynami-
cally changed. In a strict sense, the font "pattern" is speci-
fied in the resource file. A specific font is automatically se-
lected depending on the character size required by UGS.
Unlike the original X11 library, the raw font can be drawn at any
angles. This feature is implemented by using xvertext-5.0 con-
tained in X11R5/contrib, as well as its patch made in xfig-3.x.
I express my appreciation to the authors of these free-wares.
o Scatter plot of 2-dimensional histogram
Some serious bugs (both in FNAL and Bonner Lab. implementations)
have been fixed. Try
SET THREE OFF
PLOT RANDOM=10
and see it works fine for 2-dimensional data.
3. Special features
o Enhanced duplex fonts
Following 'CASE' specifications have been newly introduced, using
"Hershey database" by Alan Hershey. They are available, however,
only for DUPLEX font. It should be noted that these case-modifi-
cations can be applied BOTH for the lower and upper case charac-
ters, unlike the original ones which should be used only for up-
per case characters.
I italic
J script
1 sans-serif
2 gothic
3 bold-roman
4 bold-italic
BTW the hyphen, i.e. short "-", has been introduced as "-" case-
modified by "1", because the ordinary "-" sign is too long for a
hyphen.
In addition, the default font (including numeric labels) can be
specified by the SECOND argument of "set font" command, but only
"I", "J", "1", "2", "3", and "4" are valid values. For example,
SET FONT DUPLEX I
sets the default font to be italic.
o X resource specification
Like the most X-applications, the resource can be modified by
$(X11)/app-defaults/Ugs or ~/.Xdefaults. The resource names and
their default values are following:
Ugs*width: 768 # window size.
Ugs*height: 585
Ugs*white: White # color palette.
Ugs*red: Red # valid keyword is
Ugs*green: Green # names in xrgb
Ugs*blue: Blue # or #RRGGBB(hex)
Ugs*yellow: Yellow
Ugs*magenta: Magenta
Ugs*cyan: Cyan
Ugs*background: Black
Ugs*fontPattern:
-adobe-helvetica-medium-r-normal--*-*-75-75-*
Ugs*title: UGS on X Window System # title bar
Ugs*iconName: UGS
Ugs*geometry: (null) # +0+0 means upper-left corner
Unlike ordinary X-applications, the resource specification from
the command line is not supported.
o Additional symbols
In addition to ordinary symbols specified by [0-9] case-modified
by "P" (SLAC-convention) or by "O" (Bonner-Lab.), following new
symbols have been introduced. Closed symbols are supported only
for the X Window System and PostScript.
A closed circle
B open circle
C closed square
D open square
E closed rhomb
F open rhomb
G closed triangle
H open triangle
I closed reverse-triangle
J open reverse-triangle
K closed star
L open star
X scale-break mark for X-axis
Y scale-break mark for Y-axis
It should be noted that the open symbol is not a simple skeleton
but its inner part is filled with the background color, so that
overlapping symbols appear preferable.
o Escape sequence for switching VT100 <=> TEK4010 for Xterm
o Command line options for Lexicals
Lexicals can be pre-defined in the command line options, -V for
numerical values and -S for character strings, like in the fol-
lowing way:
% td -V value=0.1 -S name="Yumiko"
Be careful not to insert any space before or after "=". Essen-
tially the same job can be done by defining environment variables
of the shell, but this method is more convenient because you
don't have to care about the case of variable name (upper case
character have to be used for environment variable).
o Pseudo pipe input
If the file name specified by SET FILE INPUT='...' command begins
with '|', the remaining string is passed to sub-shell and the re-
sultant stream is read in as topdrawer commands. A useful exam-
ple is to use gzip:
SET FILE INPUT='| gunzip -c filename.dat.gz'
Another somewhat tricky example is to get full-path of the cur-
rent directory and draw as a title:
SET FILE INPUT='| echo define string dir=\"`pwd`\"'
TITLE TOP S_DIR "/filename.tdr"
"Pseudo" means that this feature is not implemented as an ordi-
nary UNIX pipe, but in a DOS-like manner by using the temporary
file created by OPEN(STATUS="SCRATCH"...) Fortran statement...
o Additional color BLACK
BLACK stands for the background color. Combining with FILL com-
mand, this allows you to place a "PasteIt" on the figure. Unfor-
tunately, BLACK is useless in the drawing commands (JOIN, PLOT,
etc) and SET command since 3-bit encoding is used for color in
these commands. BLACK is adequate only in SET COLOR command and,
exceptionally, in TITLE command.
o Intensity (line-width) range
The original range of line-width, 1-5, has been extended like in
the following:
SET INTENSITY command ..... 1-9
INTENSITY modifier in drawing commands,
such as JOIN and HISTOGRAM ..... 1-7
The intensity 8 and 9, however, can be troublesome in some cases.
o Extended device-dependent commands for PostScript
Following device-dependent commands have been introduced for the
POSTSCR device:
FONT=<font>
WHITE=<rgb>
RED=<rgb>
GREEN=.... and so on
Here, <rgb> stands for 6- or 12-digit hexadecimal character
string describing RGB color and <font> should be one of the fol-
lowing strings:
Times-Roman
Times-Italic
Times-Bold
Times-BoldItalic
Helvetica
Helvetica-Oblique
Helvetica-Bold
Helvetica-BoldOblique
Courier
Courier-Oblique
Courier-Bold
Courier-BoldOblique
Symbol
<font> and <rgb> are case-blind. Their default values are:
FONT=Helvetia,
WHITE=FFFFFF, RED=FF0000, GREEN=00FF00, BLUE=0000FF,
YELLOW=FFFF00, MAGENTA=FF00FF, CYAN=00FFFF, BLACK=000000.
These commands should be used in the device specification. With-
in the topdrawer, for example,
SET DEVICE POSTSCR "FONT=HELVETICA-OBLIQUE,RED=FF2211"
It should be noted that the device-dependent commands have to be
enclosed by quotation marks ("). In the command line option, you
have to ESCAPE the quotation mark like in the following way:
% td -d postscr,\"font=times-roman,cyan=11eeee\"
because the shell interprets the quotation mark.
<font> is the hardware font generated in the PostScript printer,
so you have to declare the followings to use them:
SET FONT BASIC
SET MODE VECTOR=OFF
4. Change of some conventions
o Device specification
Like ordinary Unix commands, the device is specified by using an
option "-d":
% td -d <DEV>
Available <DEV>s are
xwindow, xw, or simply x : X Window System
tek4010, tek, or simply t : Tektronix 4010
postscr, ps : PostScript
epsf , ep : see below
The default device, if -d is omitted, is X Window System.
The device name can be followed by some options which are allowed
in SET DEVICE command. Options have to be separated by comma (,)
and NEVER insert any white space. For example,
% td -d postscr,sideways
o File-name specified in topdrawer
Interpretation of environment variables (strings beginning with
$) and ~ (tilde: home-directory specified by $HOME) has been in-
corporated.
o CASE
The convention of case-modification has been changed back to be
compatible with the original SLAC version !! (I have a pretty
amount of inheritance using this ...) It is easily switched to
be compatible with Bonner Lab. version, namely UGS convention,
by invoking td with an option "-b":
% td -b
o SIDEWAYS
SET SIDEWAYS (and/or ROTATE, PORTRAIT etc) rotates the figure
counterclockwise, while the rotation was clockwise in the origi-
nal version. This is preferable in previewing the figure with
GhostScript and in including the figure to TeX file with
eclepsf.sty.
BTW, the use of SET SIZE SIDEWAYS is recommended instead of SET
DEVICE SIDEWAYS. If SET DEVICE is used without specifying any
device, a confusion of file name will be caused for the
PostScript output.
o EPSF device
This device is the same as POSTSCR escept for the figure is drawn
in the lower half of the portrait paper shrinked by 0.7 and ro-
tated counterclockwise. This is essentially the same as
POSTSCR,SIDEWAYS.
o Default resolution of the PostScript driver
The default resolution has been changed from 300 dpi to 600 dpi,
leading to the better expression particularly of duplex fonts and
circle symbols. Also a bug which causes a dependence of the line
width on the resolution has been fixed. The unit line width
specified by SET INTENSITY 1 is set to be 1/300 in. for compati-
bility. FYI, The device-dependent parameters and their default
values, concerning the resolution and drawing area, are the fol-
lowing:
RUCMX = 600/2.54 RUCMY = 600/2.54 ; Rusters/cm
XMIN = 300 YMIN = 300 ; Minimum in ruster unit
XMAX = 6300 YMAX = 4800 ; Maximum in ruster unit
5. Limitations inherited from FNAL version
o Supported devices are only X Window System, PostScript and
Tektronix 4010.
o HBOOK or HandyPak file can not be treated.
o Shared memory is not supported.
o Data storage area is statically allocated.
The size of current version is extended to 1 mega bytes.
o Subroutine library (TDHIST, TDJOIN, etc.) is not supported.
For a Fortran-callable graphics library, I would like to
recommend PGPLOT which is more powerful and widely distributed
rather than Topdrawer.
o Some known bugs (?)
6. Change log
o Release 0.1 10-Sep-95
Release of the first version. It also worked on OSF/1.
o Release 0.2--0.4 ?????
o Release 0.5 20-Jan-96
Enhancement of X resource specification.
o Release 0.6 3-Feb-96
A number of bugs, originating from the difference between VMS-
and Unix-Fortrans, have been fixed. Significantly improved sta-
bility.
o Release 0.7 25-Feb-96
Straight make by using Imakefile. Prepared some documents (IN-
STALL, topdrawer.html etc).
o Release 0.8 19-May-96
Straight make for Linux-ELF system (thanks to g77-0.5.18 !!). A
number of minor bugs are fixed. Prepared of case.html.
o Release 0.9 31-Jul-96
Command line options for Lexicals. Fixed a small (but fatal) bug
for SunOS Imakefile. Preparation of English document (this file
:-).
o Release 1.0 16-Aug-96
Intensity level has been increased from 5 to 9 (7). Device-de-
pendent commands for PostScript (FONT, WHITE,...) have been in-
troduced.
o Release 1.1 23-Aug-96
Concerning files read in td, meaningless default has been deleted
and interpretation of environment variables as well as ~ (tilde)
has been incorporated.
o Release 1.1a 13-Sep-96
Dependence of the extended symbols (circle, square, etc.) on the
texture has been excluded.
o Release 1.2 20-Nov-96
Fixed a bug deteriorating the lexical definition on OSF/1 (that
was introduced in the original Bonner Lab. version). Inhibit the
upper-case conversion of the file name given by DDNAME. "-w" op-
tion to wait for SIGNALs, when td is invoked with redirecting
stdin, has been introduced so that the Emacs-Lisp "td.el" works.
td.el, contributed by Ohnishi, Univ. of Tokyo, is located under
contrib/elisp/.
o Release 1.2a 23-Nov-96
Fixed a bug of "td.el" in specifying a complete path for
PostScript output file. The device-dependent description for
EPSF driver has been fixed.
o Release 1.2b 30-Nov-96
The limit of filename-length (80-char for topdrawer, 64-char for
UGS) has been extended to 256-char. Updated the HTML version of
reference manual (into small pieces of files, using FRAME). Up-
dated "td.el" (kill old process at invoking \C-t\C-d twice, sup-
port descriptions of the Bonner Lab. CASE convention and the com-
plete path of executable).
o Release 1.2c 11-Dec-96
Fixed a bug deteriorating the continuation mark '-' at End-Of-
Line in case for using stdin. Fixed a bug of SET FILL ANGLE com-
mand (change unit from radian to degree ;-). Fixed a bug deteri-
orating FILL modifier for ARROW, BOX... commands in a logarithmic
scale. All these bugs originated in Bonner Lab. version.
o Release 1.3 14-Dec-96
The X11 driver of UGS has been refined. Eventually
* Cursor bug on SunOS has been fixed.
* CPU load for processing exposure-event becomes smaller.
* Open symbols with error bars are drawn "as expected" without
using any tricks.
o Release 1.3a 28-Dec-96
The default resolution of the PostScript driver has been changed
from 300 dpi to 600 dpi. Fixed a bug which causes the dependence
of the line width on the resolution. Fixed a bug for treating
".ps" or ".eps" extension in case that the original extension is
not ".top" or ".tdr" (introduced since the release 1.2b).
o Release 1.3b 7-Jan-97
Fixed a bug of the PostScript driver producing a broken Bounding
Box for the resolution other than 300dpi. Fixed a bug of td.el
for PostScript output in case that the file name contains a de-
limiter such as hyphen.
o Release 1.3c 19-May-97
Fixed bugs of "SHOW DATA" and "SHOW CURSOR" commands, originating
from Bonner Lab. version. Support of SunOS5 (Solaris) has start-
ed, though no modification of source was required.
o Release 1.3d 24-May-97
Fixed a bug of td.el causing error in output of PostScript for
unnamed buffer. Broken doc/topdrawer.tex has been restored.
doc/topdrawer4.0.hlp and doc/doc2gih.f have been modified so that
bold and/or underlined characters are properly displayed.
o Release 1.3e 27-May-97
Fixed a bug for BOX, CIRCLE, ELLIPSE, and DIAMOND commands in
case that coordinates for FROM|TO are given in data system.
o Release 1.3f 17-Aug-97
Fixed bugs for arguments passed to a command defined by DEFINE
COMMAND and for inverse of trigonometric functions.
o Release 1.3g 22-Aug-97
Changed argument-passing scheme to a command defined by DEFINE
COMMAND, allowing use of multi-statements.
o Release 1.3h 18-Sep-97
Fixed a bug (introduced in 1.3g) specifying the name 'ugde-
vice.xx' in case that no filename is given for PostScript output.
Corrected wrong grammars of html document.
o Release 1.4 20-Sep-97
Rotation of X11-bitmap font and extended symbols has been sup-
ported.
o Release 1.4a 26-Sep-97
Implemented pseudo pipe.
o Release 1.4b 23-Jan-98
Fixed a bug (originating from Bonner Lab. version) of SET SHIELD
which does not work properly for SIDEWAYS/ROTATED/ORIENTA-
TION=1,2,3.
o Release 1.4c 20-Mar-98
Workaround to avoid problems of SIGNAL-processing in STDIO, for
OSF1, Solaris, and Linux with libc-5.4.38 and later. Libc-5.4.38
itself, however, is buggy and STRONGLY recommended to replace to
5.4.44 or later.