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1#!perl 1#!perl
2################################################################################ 2################################################################################
3# WeBWorK mod_perl (c) 1995-2002 WeBWorK Team, Univeristy of Rochester 3# WeBWorK Online Homework Delivery System
4# $Id: global.conf.dist,v 1.3 2002-11-26 21:49:51 sh002i Exp $ 4# Copyright © 2000-2003 The WeBWorK Project, http://openwebwork.sf.net/
5# $CVSHeader: webwork2/conf/global.conf.dist,v 1.110 2004/10/20 17:00:46 sh002i Exp $
6#
7# This program is free software; you can redistribute it and/or modify it under
8# the terms of either: (a) the GNU General Public License as published by the
9# Free Software Foundation; either version 2, or (at your option) any later
10# version, or (b) the "Artistic License" which comes with this package.
11#
12# This program is distributed in the hope that it will be useful, but WITHOUT
13# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
14# FOR A PARTICULAR PURPOSE. See either the GNU General Public License or the
15# Artistic License for more details.
5################################################################################ 16################################################################################
6 17
7# This file is used to set up the default WeBWorK course environment for all 18# This file is used to set up the default WeBWorK course environment for all
8# requests. Values may be overwritten by the course.conf for a specific course. 19# requests. Values may be overwritten by the course.conf for a specific course.
9# All package variables set in this file are added to the course environment. 20# All package variables set in this file are added to the course environment.
10# If you wish to set a variable here but omit it from the course environment, 21# If you wish to set a variable here but omit it from the course environment,
11# use the "my" keyword. The following variables are available to this file: 22# use the "my" keyword. The $webwork_dir variable is set in the WeBWorK Apache
12# 23# configuration file (webwork.apache-config) and is available for use here. In
13# $webworkRoot directory that contains the WeBWorK distribution 24# addition, the $courseName variable holds the name of the current course.
14# $courseName name of the course being used
15 25
16################################################################################ 26################################################################################
17# WeBWorK settings 27# Seed variables
18################################################################################ 28################################################################################
19 29
20%webworkDirs = ( 30# Set these variables to correspond to your configuration and preferences. You
21 root => "$webworkRoot", 31# will need to restart the webserver to reset the variables in this section
22 bin => "$webworkRoot/bin", 32
23 conf => "$webworkRoot/conf", 33# URL of WeBWorK handler.
24 courses => "$webworkRoot/courses", 34$webwork_url = "/webwork2";
25 lib => "$webworkRoot/lib", 35
26 logs => "$webworkRoot/logs", 36# Root directory of PG.
27 macros => "$webworkRoot/macros", 37$pg_dir = "/opt/pg";
28 tmp => "$webworkRoot/tmp", 38
39# URL and path to htdocs directory.
40$webwork_htdocs_url = "/webwork2_files";
41$webwork_htdocs_dir = "$webwork_dir/htdocs";
42
43# URL and path to courses directory.
44$webwork_courses_url = "/webwork2_course_files";
45$webwork_courses_dir = "$webwork_dir/courses";
46
47################################################################################
48# Paths to external programs
49################################################################################
50
51$externalPrograms{mkdir} = "/bin/mkdir";
52$externalPrograms{mysql} = "/usr/local/bin/mysql";
53
54$externalPrograms{latex} = "/usr/local/bin/latex";
55$externalPrograms{pdflatex} = "/usr/local/bin/pdflatex --shell-escape"; # allows pdflatex to handle .eps files
56$externalPrograms{dvipng} = "/usr/local/bin/dvipng";
57$externalPrograms{tth} = "/usr/local/bin/tth";
58
59################################################################################
60# Mail settings
61################################################################################
62
63# Mail sent by the PG system and the mail merge and feedback modules will be
64# sent via this SMTP server.
65$mail{smtpServer} = 'mail.yourschool.edu';
66
67# When connecting to the above server, WeBWorK will send this address in the
68# MAIL FROM command. This has nothing to do with the "From" address on the mail
69# message. It can really be anything, but some mail servers require it contain
70# a valid mail domain, or at least be well-formed.
71$mail{smtpSender} = 'webwork@yourserver.yourschool.edu';
72
73# AllowedRecipients defines addresses that the PG system is allowed to send mail
74# to. this prevents subtle PG exploits. This should be set in course.conf to the
75# addresses of professors of each course. Sending mail from the PG system (i.e.
76# questionaires, essay questions) will fail if this is not set somewhere (either
77# here or in course.conf).
78$mail{allowedRecipients} = [
79 #'prof1@yourserver.yourdomain.edu',
80 #'prof2@yourserver.yourdomain.edu',
81];
82
83# If defined, feedbackRecipients overrides the list of recipients for feedback
84# email. It's appropriate to set this in the course.conf for specific courses,
85# but probably not in global.conf. if not defined, mail is sent to all
86# professors and TAs for a given course
87#$mail{feedbackRecipients} = [
88# 'prof1@yourserver.yourdomain.edu',
89# 'prof2@yourserver.yourdomain.edu',
90#];
91
92# feedbackVerbosity:
93# 0: send only the feedback comment and context link
94# 1: as in 0, plus user, set, problem, and PG data
95# 2: as in 1, plus the problem environment (debugging data)
96$mail{feedbackVerbosity} = 1;
97
98# Defines the size of the Mail Merge editor window
99# FIXME: should this be here? it's UI, not mail
100# FIXME: replace this with the auto-size method that TWiki uses
101$mail{editor_window_rows} = 15;
102$mail{editor_window_columns} = 100;
103
104################################################################################
105# System-wide locations (directories and URLs)
106################################################################################
107
108# The root directory, set by webwork_root variable in Apache configuration.
109$webworkDirs{root} = "$webwork_dir";
110
111# Location of system-wide data files.
112$webworkDirs{DATA} = "$webworkDirs{root}/DATA";
113
114# Used for temporary storage of uploaded files.
115$webworkDirs{uploadCache} = "$webworkDirs{DATA}/uploads";
116
117# Location of utility programs.
118$webworkDirs{bin} = "$webworkDirs{root}/bin";
119
120# Location of configuration files, templates, snippets, etc.
121$webworkDirs{conf} = "$webworkDirs{root}/conf";
122
123# Location of course directories.
124$webworkDirs{courses} = "$webwork_courses_dir" || "$webworkDirs{root}/courses";
125
126# Contains log files.
127$webworkDirs{logs} = "$webworkDirs{root}/logs";
128
129# Contains non-web-accessible temporary files, such as TeX working directories.
130$webworkDirs{tmp} = "$webworkDirs{root}/tmp";
131
132##### The following locations are web-accessible.
133
134# The root URL (usually /webwork2), set by <Location> in Apache configuration.
135$webworkURLs{root} = "$webwork_url";
136
137# Location of system-wide web-accessible files, such as equation images, and
138# help files.
139$webworkDirs{htdocs} = "$webwork_htdocs_dir" || "$webworkDirs{root}/htdocs";
140$webworkURLs{htdocs} = "$webwork_htdocs_url";
141
142# Location of web-accessible temporary files, such as equation images.
143$webworkDirs{htdocs_temp} = "$webworkDirs{htdocs}/tmp";
144$webworkURLs{htdocs_temp} = "$webworkURLs{htdocs}/tmp";
145
146# Location of cached equation images.
147$webworkDirs{equationCache} = "$webworkDirs{htdocs_temp}/equations";
148$webworkURLs{equationCache} = "$webworkURLs{htdocs_temp}/equations";
149
150# Contains context-sensitive help files.
151$webworkDirs{local_help} = "$webworkDirs{htdocs}/helpFiles";
152$webworkURLs{local_help} = "$webworkURLs{htdocs}/helpFiles";
153
154# URL of general WeBWorK documentation.
155$webworkURLs{docs} = "http://webhost.math.rochester.edu/webworkdocs/docs";
156
157# URL of WeBWorK 1.x profLogin.pl script, for access to old professor pages.
158# Note that both systems must share a single "courses" directory for this to be
159# useful. Leave this blank to disable
160$webworkURLs{oldProf} = "/webwork1/profLogin.pl";
161
162# URL of WeBWorK Bugzilla database.
163$webworkURLs{bugReporter} = "http://bugs.webwork.rochester.edu/";
164
165# Location of jsMath script, used for the jsMath display mode.
166$webworkURLs{jsMath} = "$webworkURLs{htdocs}/jsMath/jsMath.js";
167
168# Location of ASCIIMathML script, used for the asciimath display mode.
169$webworkURLs{asciimath} = "$webworkURLs{htdocs}/ASCIIMathML/ASCIIMathML.js";
170
171################################################################################
172# Defaults for course-specific locations (directories and URLs)
173################################################################################
174
175# The root directory of the current course. (The ID of the current course is
176# available in $courseName.)
177$courseDirs{root} = "$webworkDirs{courses}/$courseName";
178
179# Location of course-specific data files, such as WW1 (GDBM) database files.
180$courseDirs{DATA} = "$courseDirs{root}/DATA";
181
182# Location of authentication data files when using a WW1 (GDBM) database.
183$courseDirs{auth_DATA} = "$courseDirs{DATA}/.auth";
184
185# Location of course HTML files, passed to PG.
186$courseDirs{html} = "$courseDirs{root}/html";
187$courseURLs{html} = "$webwork_courses_url/$courseName";
188
189# Location of course image files, passed to PG.
190$courseDirs{html_images} = "$courseDirs{html}/images";
191
192# Location of web-accessible, course-specific temporary files, like static and
193# dynamically-generated PG graphics.
194$courseDirs{html_temp} = "$courseDirs{html}/tmp";
195$courseURLs{html_temp} = "$courseURLs{html}/tmp";
196
197# Location of course-specific logs, like the transaction log.
198$courseDirs{logs} = "$courseDirs{root}/logs";
199
200# Location of scoring files.
201$courseDirs{scoring} = "$courseDirs{root}/scoring";
202
203# Location of PG templates and set definition files.
204$courseDirs{templates} = "$courseDirs{root}/templates";
205
206# Location of course-specific macro files.
207$courseDirs{macros} = "$courseDirs{templates}/macros";
208
209# Location of mail-merge templates.
210$courseDirs{email} = "$courseDirs{templates}/email";
211
212################################################################################
213# System-wide files
214################################################################################
215
216# Location of this file.
217$webworkFiles{environment} = "$webworkDirs{conf}/global.conf";
218
219# Flat-file database used to protect against MD5 hash collisions. TeX equations
220# are hashed to determine the name of the image file. There is a tiny chance of
221# a collision between two TeX strings. This file allows for that. However, this
222# is slow, so most people chose not to worry about it. Set this to "" if you
223# don't want to use the equation cache file.
224$webworkFiles{equationCacheDB} = ""; # "$webworkDirs{DATA}/equationcache";
225
226##### Hardcopy snippets are used in constructing a TeX file for hardcopy output.
227##### They should contain TeX code unless otherwise noted.
228
229# The preamble is the first thing in the TeX file.
230$webworkFiles{hardcopySnippets}{preamble} = "$webworkDirs{conf}/snippets/hardcopyPreamble.tex";
231
232# The setHeader preceeds each set. It is a PG file.
233$webworkFiles{hardcopySnippets}{setHeader} = "$webworkDirs{conf}/snippets/setHeader.pg"; # hardcopySetHeader.pg",
234
235# The problem divider goes between problems.
236$webworkFiles{hardcopySnippets}{problemDivider} = "$webworkDirs{conf}/snippets/hardcopyProblemDivider.tex";
237
238# The set footer goes after each set. Is is a PG file.
239$webworkFiles{hardcopySnippets}{setFooter} = "$webworkDirs{conf}/snippets/hardcopySetFooter.pg";
240
241# The set divider goes between sets (in multiset output).
242$webworkFiles{hardcopySnippets}{setDivider} = "$webworkDirs{conf}/snippets/hardcopySetDivider.tex";
243
244# The user divider does between users (in multiuser output).
245$webworkFiles{hardcopySnippets}{userDivider} = "$webworkDirs{conf}/snippets/hardcopyUserDivider.tex";
246
247# The postabmle is the last thing in the TeX file.
248$webworkFiles{hardcopySnippets}{postamble} = "$webworkDirs{conf}/snippets/hardcopyPostamble.tex";
249
250##### Screen snippets are used when displaying problem sets on the screen.
251
252# The set header is displayed on the problem set page. It is a PG file.
253$webworkFiles{screenSnippets}{setHeader} = "$webworkDirs{conf}/snippets/setHeader.pg"; # screenSetHeader.pg"
254
255################################################################################
256# Course-specific files
257################################################################################
258
259# The course configuration file.
260$courseFiles{environment} = "$courseDirs{root}/course.conf";
261
262# File contents are displayed after login, on the problem sets page. Path given
263# here is relative to the templates directory.
264$courseFiles{course_info} = "course_info.txt";
265
266# File contents are displayed on the login page. Path given here is relative to
267# the templates directory.
268$courseFiles{login_info} = "login_info.txt";
269
270# Additional library buttons can be added to the Library Browser (SetMaker.pm)
271# by adding the libraries you want to the following line. For each key=>value
272# in the list, if a directory (or link to a directory) with name 'key' appears
273# in the templates directory, then a button with name 'value' will be placed at
274# the top of the problem browser. (No button will appear if there is no
275# directory or link with the given name in the templates directory.) For
276# example,
277#
278# $courseFiles{problibs} = {rochester => "Rochester", asu => "ASU"};
279#
280# would add two buttons, one for the Rochester library and one for the ASU
281# library, provided templates/rochester and templates/asu exists either as
282# subdirectories or links to other directories.
283#
284$courseFiles{problibs} = {
285# rochesterLibrary => "Rochester",
286# asuLibrary => "Arizona State",
287# dcdsLibrary => "Detroit CDS",
288# dartmouthLibrary => "Dartmouth",
289# indianaLibrary => "Indiana",
290# osuLibrary => "Ohio State",
291# capaLibrary => "CAPA",
292};
293
294################################################################################
295# Database options
296################################################################################
297
298# Several database are defined in the file conf/database.conf and stored in the
299# hash %dbLayouts.
300include "conf/database.conf";
301
302# Select the default database layout. This can be overridden in the course.conf
303# file of a particular course. If you choose "gdbm", WeBWorK will be able to
304# use courses from WeBWorK 1 without first adding course.conf files to them.
305# However, the recommended database layout for new courses is "sql_single". This
306# can be set when creating a course.
307$dbLayoutName = "sql_single"; # or "gdbm" or "sql"
308
309# This sets the symbol "dbLayout" as an alias for the selected database layout.
310*dbLayout = $dbLayouts{$dbLayoutName};
311
312################################################################################
313# Problem library options
314################################################################################
315
316# The directory containing the problem library files. Set to "" if no problem
317# library is installed.
318$problemLibrary{root} = "";
319
320# The name of the SQL database containing problem metadata
321$problemLibrary{sourceSQL} = "ProblemLibrary";
322
323# The user name to use when connecting to the problem library database
324$problemLibrary{userSQL} = "webworkRead";
325
326# The password to use when connecting to the problem library database
327$problemLibrary{passwordSQL} = "";
328
329################################################################################
330# Logs
331################################################################################
332
333# FIXME: take logs out of %webworkFiles/%courseFiles and give them their own
334# top-level hash.
335
336# Logs data about how long it takes to process problems. (Do not confuse this
337# with the /other/ timing log which can be set by WeBWorK::Timing and is used
338# for benchmarking system performance in general. At some point, this timing
339# mechanism will be deprecated in favor of the WeBWorK::Timing mechanism.)
340$webworkFiles{logs}{timing} = "$webworkDirs{logs}/timing.log";
341
342# Logs courses created via the web-based Course Administration module.
343$webworkFiles{logs}{hosted_courses} = "$webworkDirs{logs}/hosted_courses.log";
344
345# The transaction log contains data from each recorded answer submission. This
346# is useful if the database becomes corrupted.
347$webworkFiles{logs}{transaction} = "$courseDirs{logs}/transaction.log";
348
349# The answer log stores a history of all users' submitted answers.
350$courseFiles{logs}{answer_log} = "$courseDirs{logs}/answer_log";
351
352################################################################################
353# More paths to external programs
354################################################################################
355
356# These image conversion utilities are included in the WeBWorK distribution.
357$externalPrograms{gif2eps} = "$webworkDirs{bin}/gif2eps";
358$externalPrograms{png2eps} = "$webworkDirs{bin}/png2eps";
359$externalPrograms{gif2png} = "$webworkDirs{bin}/gif2png";
360
361################################################################################
362# Site defaults (FIXME: what other things could be "site defaults"?)
363################################################################################
364
365# Status strings -- lists valid status values and their names. If your site uses
366# additional values, add them here.
367$siteDefaults{status} = {
368 A => "Audit",
369 a => "Audit",
370 audit => "Audit",
371 D => "Drop",
372 d => "Drop",
373 drop => "Drop",
374 withdraw => "Drop",
375 C => "Enrolled",
376 c => "Enrolled",
377 current => "Enrolled",
378 enrolled => "Enrolled",
379};
380
381# Set the default timezone of courses on this server. To get a list of valid
382# timezones, run:
383#
384# perl -MDateTime::TimeZone -e 'print join "\n", DateTime::TimeZone::all_names'
385#
386# To get a list of valid timezone "links" (deprecated names), run:
387#
388# perl -MDateTime::TimeZone -e 'print join "\n", DateTime::TimeZone::links'
389#
390# If left blank, the system timezone will be used. This is usually what you
391# want. You might want to set this if your server is NOT in the same timezone as
392# your school. If just a few courses are in a different timezone, set this in
393# course.conf for the affected courses instead.
394#
395$siteDefaults{timezone} = "";
396
397################################################################################
398# Frontend options
399################################################################################
400
401%templates = (
402 system => "$webworkDirs{conf}/templates/ur.template",
29); 403);
30 404
31%webworkFiles = ( 405################################################################################
32 environment => "$webworkDirs{conf}/global.conf", 406# Authorization system
33 hardcopySnippets => { 407################################################################################
34 preamble => "$webworkDirs{conf}/hardcopyPreamble.tex", 408
35 setHeader => "$webworkDirs{conf}/hardcopySetHeader.pg", 409# This lets you specify a minimum permission level needed to perform certain
36 problemDivider => "$webworkDirs{conf}/hardcopyProblemDivider.tex", 410# actions. In the current system, >=10 will allow a professor to perform the
37 setFooter => "$webworkDirs{conf}/hardcopySetFooter.pg", 411# action, >=5 will allow a TA to, and >=0 will allow a student to perform an
38 setDivider => "$webworkDirs{conf}/hardcopySetDivider.tex", 412# action (almost never what you want).
39 postamble => "$webworkDirs{conf}/hardcopyPostamble.tex", 413
40 }, 414my $student = 0;
41 screenSnippets => { 415my $ta = 5;
42 setHeader => "$webworkDirs{conf}/screenSetHeader.pg", 416my $professor = 10;
43 }, 417my $nobody = undef;
44 logs => { 418
45 timing => "$webworkDirs{logs}/timing.log", 419%permissionLevels = (
46 transaction => "$courseDirs{logs}/transaction.log", 420 report_bugs => $student,
47 }, 421 submit_feedback => $student,
422 change_password => $student,
423 change_email_address => $student,
424
425 view_multiple_sets => $ta,
426 view_unopened_sets => $ta,
427 view_unpublished_sets => $ta,
428 view_answers => $ta,
429
430 become_student => $professor,
431 access_instructor_tools => $ta,
432 score_sets => $professor,
433 send_mail => $professor,
434 receive_feedback => $ta,
435
436 create_and_delete_problem_sets => $professor,
437 assign_problem_sets => $professor,
438 modify_problem_sets => $professor,
439 modify_student_data => $professor,
440 modify_classlist_files => $professor,
441 modify_set_def_files => $professor,
442 modify_scoring_files => $professor,
443 modify_problem_template_files => $professor,
444
445 create_and_delete_courses => $professor,
446 fix_course_databases => $professor,
447
448 ##### Behavior of the interactive problem processor #####
449
450 show_correct_answers_before_answer_date => $ta,
451 show_solutions_before_answer_date => $ta,
452 avoid_recording_answers => $ta,
453 check_answers_before_open_date => $ta,
454 check_answers_after_open_date_with_attempts => $ta,
455 check_answers_after_open_date_without_attempts => $student,
456 check_answers_after_due_date => $student,
457 check_answers_after_answer_date => $student,
458 record_answers_when_acting_as_student => $nobody,
459 # "record_answers_when_acting_as_student" takes precedence
460 # over the following for professors acting as students:
461 record_answers_before_open_date => $nobody,
462 record_answers_after_open_date_with_attempts => $student,
463 record_answers_after_open_date_without_attempts => $nobody,
464 record_answers_after_due_date => $nobody,
465 record_answers_after_answer_date => $nobody,
466 dont_log_past_answers => $professor,
467
468 ##### Behavior of the Hardcopy Processor #####
469
470 download_hardcopy_multiuser => $ta,
471 download_hardcopy_multiset => $ta,
472 download_hardcopy_format_tex => $ta,
48); 473);
49 474
50my $webworkURLRoot = "/webwork"; # *** # this should be detected!
51%webworkURLs = (
52 root => "$webworkURLRoot",
53 htdocs => "/webwork_files",
54 docs => "http://webhost.math.rochester.edu/webworkdocs/docs",
55);
56
57################################################################################ 475################################################################################
58# Default course-specific settings 476# Session options
59################################################################################ 477################################################################################
60
61my $courseRoot = "$webworkDirs{courses}/$courseName";
62%courseDirs = (
63 root => "$courseRoot",
64 DATA => "$courseRoot/DATA",
65 auth_DATA => "$courseRoot/DATA/.auth",
66 html => "$courseRoot/html",
67 html_images => "$courseRoot/html/images",
68 html_temp => "$courseRoot/html/tmp",
69 logs => "$courseRoot/logs",
70 scoring => "$courseRoot/scoring",
71 templates => "$courseRoot/templates",
72 macros => "$courseRoot/templates/macros",
73);
74
75%courseFiles = (
76 environment => "$courseDirs{root}/course.conf",
77);
78
79my $courseURLRoot = "$webworkURLs{htdocs}/courses/$courseName";
80%courseURLs = (
81 base => "$courseURLRoot", # *** # this should be "root"?
82 html => "$courseURLRoot",
83 html_temp => "$courseURLRoot/tmp",
84);
85
86################################################################################
87# Other site-specific options
88################################################################################
89
90%mail = (
91 smtpServer => "mail.math.rochester.edu",
92 smtpSender => "webwork\@math.rochester.edu",
93);
94
95%externalPrograms = (
96 mv => "/bin/mv", # *** is this used? probably not...
97 tth => "/usr/local/bin/tth",
98 pdflatex => "/usr/local/bin/pdflatex",
99 latex => "/usr/local/bin/latex",
100 dvipng => "/usr/local/bin/dvipng -mode ljfivemp -D600 -Q6 -x1000.5 -bgTransparent",
101 gif2eps => "$webworkDirs{bin}/gif2eps",
102 png2eps => "$webworkDirs{bin}/png2eps",
103 gif2png => "$webworkDirs{bin}/gif2png",
104);
105
106################################################################################
107# Frontend options
108################################################################################
109
110%templates = (
111 system => "$webworkDirs{conf}/barebones.template",
112);
113 478
114# $sessionKeyTimeout defines seconds of inactivity before a key expires 479# $sessionKeyTimeout defines seconds of inactivity before a key expires
115$sessionKeyTimeout = 60*30; 480$sessionKeyTimeout = 60*30;
481
482# $sessionKeyLength defines the length (in characters) of the session key
483$sessionKeyLength = 40;
484
485# @sessionKeyChars lists the legal session key characters
486@sessionKeyChars = ('A'..'Z', 'a'..'z', '0'..'9', '.', '^', '/', '!', '*');
116 487
117# Practice users are users who's names start with $practiceUser 488# Practice users are users who's names start with $practiceUser
118# (you can comment this out to remove practice user support) 489# (you can comment this out to remove practice user support)
119$practiceUserPrefix = "practice"; 490$practiceUserPrefix = "practice";
120 491
… …
123# kindof a backdoor to the practice user system, since he doesn't have a 494# kindof a backdoor to the practice user system, since he doesn't have a
124# password. Come to think of it, why do we even have this?! 495# password. Come to think of it, why do we even have this?!
125#$debugPracticeUser = "practice666"; 496#$debugPracticeUser = "practice666";
126 497
127################################################################################ 498################################################################################
128# Database and session 499# PG subsystem options
129################################################################################ 500################################################################################
130 501
131%dbInfo = ( 502# List of enabled display modes. Comment out any modes you don't wish to make
132 auth_type => "GDBM", 503# available for use.
133 auth_passwd_file => "$courseDirs{auth_DATA}/$courseName\_password_DB", 504$pg{displayModes} = [
134 auth_perm_file => "$courseDirs{auth_DATA}/$courseName\_permissions_DB", 505 "plainText", # display raw TeX for math expressions
135 auth_keys_file => "$courseDirs{auth_DATA}/keys", 506 "formattedText", # format math expressions using TtH
136 wwdb_type => "GDBM", 507 "images", # display math expressions as images generated by dvipng
137 wwdb_file => "$courseDirs{DATA}/$courseName\_webwork_DB", 508 "jsMath", # render TeX math expressions on the client side using jsMath
138 cldb_type => "GDBM", 509 "asciimath", # render TeX math expressions on the client side using ASCIIMathML
139 cldb_file => "$courseDirs{DATA}/$courseName\_classlist_DB", 510];
140 psvn_digits => 5,
141);
142 511
143# This lets you specify a minimum permission level needed to perform 512#### Default settings for the PG translator
144# certain actions. In the current system, >=10 will allow a professor
145# to perform the action, >=5 will allow a TA to, and >=0 will allow a
146# student to perform an action (almost never what you want).
147%permissionLevels = (
148 "become_student" => 10,
149);
150 513
151################################################################################ 514# Default display mode. Should be listed above.
152# PG translation options
153################################################################################
154
155%pg = (
156 options => {
157 # default translation options
158 displayMode => "images", 515$pg{options}{displayMode} = "images";
159 showOldAnswers => 1, 516
160 showCorrectAnswers => 0, 517# The default grader to use, if a problem doesn't specify.
161 showHints => 0, 518$pg{options}{grader} = "avg_problem_grader";
162 showSolutions => 0, 519
163 catchWarnings => 1, 520# Fill in answer blanks with the student's last answer by default?
164 # default grader 521$pg{options}{showOldAnswers} = 1;
165 grader => "avg_problem_grader", 522
523# Show correct answers (when allowed) by default?
524$pg{options}{showCorrectAnswers} = 0;
525
526# Show hints (when allowed) by default?
527$pg{options}{showHints} = 0;
528
529# Show solutions (when allowed) by default?
530$pg{options}{showSolutions} = 0;
531
532# Catch translation warnings internally by default? (We no longer need to do
533# this, since there is a global warnings handler. So this should be off.)
534$pg{options}{catchWarnings} = 0;
535
536##### Currently-selected renderer
537
538# Only the local renderer is supported in this version.
539$pg{renderer} = "WeBWorK::PG::Local";
540
541# The remote renderer connects to an XML-RPC PG rendering server.
542#$pg{renderer} = "WeBWorK::PG::Remote";
543
544##### Renderer-dependent options
545
546# The remote renderer has one option:
547$pg{renderers}{"WeBWorK::PG::Remote"} = {
548 # The "proxy" server to connect to for remote rendering.
549 proxy => "http://localhost:21000/RenderD",
550};
551
552##### Settings for various display modes
553
554# "images" mode has several settings:
555$pg{displayModeOptions}{images} = {
556 # Determines the method used to align images in output. Can be
557 # "baseline", "absmiddle", or "mysql".
558 dvipng_align => 'baseline',
559
560 # If we choose mysql, we need information on connecting to the
561 # database. Whatever you use here, you have to create the database
562 # and grant read/write priveleges to the user listed here. To create
563 # the database in mysql, as root use:
564 #
565 # CREATE DATABASE DvipngDepths;
566 # USE DvipngDepths;
567 # CREATE TABLE depths (md5 CHAR(33) NOT NULL, depth SMALLINT, PRIMARY KEY (md5));
568 # GRANT ALL ON DvipngDepths.* TO webworkWrite;
569 #
570 # In the last statement, "webworkWrite" should match the user below.
571 # FIXME: this database can become a table in the 'webwork' database
572 dvipng_depth_db => {
573 dbsource => 'dbi:mysql:DvipngDepths',
574 user => $dbLayouts{sql}->{password}->{params}->{usernameRW},
575 passwd => $dbLayouts{sql}->{password}->{params}->{passwordRW},
166 }, 576 },
167 # modules lists module names and the packages each contains 577};
168 modules => [ 578
579##### Directories used by PG
580
581# The root of the PG directory tree (from pg_root in Apache config).
582$pg{directories}{root} = "$pg_dir";
583$pg{directories}{lib} = "$pg{directories}{root}/lib";
584$pg{directories}{macros} = "$pg{directories}{root}/macros";
585
586##### "Special" PG environment variables. (Stuff that doesn't fit in anywhere else.)
587
588# Users for whom to print the file name of the PG file being processed.
589$pg{specialPGEnvironmentVars}{PRINT_FILE_NAMES_FOR} = [ "professor", ];
590
591# Locations of CAPA resources. (Only necessary if you need to use converted CAPA
592# problems.)
593$pg{specialPGEnvironmentVars}{CAPA_Tools} = "$courseDirs{macros}/CAPA_Tools/",
594$pg{specialPGEnvironmentVars}{CAPA_MCTools} = "$courseDirs{macros}/CAPA_MCTools/",
595$pg{specialPGEnvironmentVars}{CAPA_GraphicsDirectory} = "$courseDirs{html}/CAPA_Graphics/",
596$pg{specialPGEnvironmentVars}{CAPA_Graphics_URL} = "$courseURLs{html}/CAPA_Graphics/",
597
598# Size in pixels of dynamically-generated images, i.e. graphs.
599$pg{specialPGEnvironmentVars}{onTheFlyImageSize} = 400,
600
601##### PG modules to load
602
603# The first item of each list is the module to load. The remaining items are
604# additional packages to import.
605
606${pg}{modules} = [
169 [qw(DynaLoader)], 607 [qw(DynaLoader)],
170 [qw(Exporter)], 608 [qw(Exporter)],
171 [qw(GD)], 609 [qw(GD)],
172 610
173 [qw(AlgParser AlgParserWithImplicitExpand Expr ExprWithImplicitExpand)], 611 [qw(AlgParser AlgParserWithImplicitExpand Expr ExprWithImplicitExpand)],
174 [qw(AnswerHash AnswerEvaluator)], 612 [qw(AnswerHash AnswerEvaluator)],
175 [qw(WWPlot)], # required by Circle (and others) 613 [qw(WWPlot)], # required by Circle (and others)
176 [qw(Circle)], 614 [qw(Circle)],
177 [qw(Complex)], 615 [qw(Complex)],
178 [qw(Complex1)], 616 [qw(Complex1)],
179 [qw(Distributions)], 617 [qw(Distributions)],
180 [qw(Fraction)], 618 [qw(Fraction)],
181 [qw(Fun)], 619 [qw(Fun)],
182 [qw(Hermite)], 620 [qw(Hermite)],
183 [qw(Label)], 621 [qw(Label)],
184 [qw(List)], 622 [qw(List)],
185 [qw(Match)], 623 [qw(Match)],
186 [qw(MatrixReal1)], # required by Matrix 624 [qw(MatrixReal1)], # required by Matrix
187 [qw(Matrix)], 625 [qw(Matrix)],
188 [qw(Multiple)], 626 [qw(Multiple)],
189 [qw(PGrandom)], 627 [qw(PGrandom)],
190 [qw(Regression)], 628 [qw(Regression)],
191 [qw(Select)], 629 [qw(Select)],
192 [qw(Units)], 630 [qw(Units)],
193 [qw(VectorField)], 631 [qw(VectorField)],
194 ], 632 [qw(Parser Value)],
195 # defaults used by answer evaluators 633 [qw(Apache::Log)],
634];
635
636##### Answer evaluatior defaults
637
196 ansEvalDefaults => { 638$pg{ansEvalDefaults} = {
197 functAbsTolDefault => .001, 639 functAbsTolDefault => .001,
198 functLLimitDefault => .0000001, 640 functLLimitDefault => .0000001,
199 functMaxConstantOfIntegration => 1E8, 641 functMaxConstantOfIntegration => 1E8,
200 functNumOfPoints => 3, 642 functNumOfPoints => 3,
201 functRelPercentTolDefault => .1, 643 functRelPercentTolDefault => .1,
202 functULimitDefault => .9999999, 644 functULimitDefault => .9999999,
203 functVarDefault => "x", 645 functVarDefault => "x",
204 functZeroLevelDefault => 1E-14, 646 functZeroLevelDefault => 1E-14,
205 functZeroLevelTolDefault => 1E-12, 647 functZeroLevelTolDefault => 1E-12,
206 numAbsTolDefault => .001, 648 numAbsTolDefault => .001,
207 numFormatDefault => "", 649 numFormatDefault => "",
208 numRelPercentTolDefault => .1, 650 numRelPercentTolDefault => .1,
209 numZeroLevelDefault => 1E-14, 651 numZeroLevelDefault => 1E-14,
210 numZeroLevelTolDefault => 1E-12, 652 numZeroLevelTolDefault => 1E-12,
211 }, 653 useBaseTenLog => 0,
212); 654 defaultDisplayMatrixStyle => "[s]",
655};
656
657################################################################################
658# Compatibility
659################################################################################
660
661# Define the old names for the various "root" variables.
662$webworkRoot = $webworkDirs{root};
663$webworkURLRoot = $webworkURLs{root};
664$pgRoot = $pg{directories}{root};
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