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added instructions for listing all valid time zones.
1 #!perl 2 ################################################################################ 3 # WeBWorK Online Homework Delivery System 4 # Copyright © 2000-2003 The WeBWorK Project, http://openwebwork.sf.net/ 5 # $CVSHeader: webwork2/conf/global.conf.dist,v 1.106 2004/09/29 21:38:00 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. 16 ################################################################################ 17 18 # This file is used to set up the default WeBWorK course environment for all 19 # requests. Values may be overwritten by the course.conf for a specific course. 20 # All package variables set in this file are added to the course environment. 21 # If you wish to set a variable here but omit it from the course environment, 22 # use the "my" keyword. The $webwork_dir variable is set in the WeBWorK Apache 23 # configuration file (webwork.apache-config) and is available for use here. In 24 # addition, the $courseName variable holds the name of the current course. 25 26 ################################################################################ 27 # Seed variables 28 ################################################################################ 29 30 # Set these variables to correspond to your configuration and preferences. You 31 # will need to restart the webserver to reset the variables in this section 32 33 # URL of WeBWorK handler. 34 $webwork_url = "/webwork2"; 35 36 # Root directory of PG. 37 $pg_dir = "/opt/pg"; 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. 300 include "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 audit => "Audit", 370 D => "Drop", 371 drop => "Drop", 372 withdraw => "Drop", 373 C => "Enrolled", 374 current => "Enrolled", 375 enrolled => "Enrolled", 376 }; 377 378 # Set the default timezone of courses on this server. To get a list of valid 379 # timezones, run: 380 # 381 # perl -MDateTime::TimeZone -e 'print join "\n", DateTime::TimeZone::all_names' 382 # 383 # To get a list of valid timezone "links" (deprecated names), run: 384 # 385 # perl -MDateTime::TimeZone -e 'print join "\n", DateTime::TimeZone::links' 386 # 387 # If left blank, the system timezone will be used. This is usually what you 388 # want. You might want to set this if your server is NOT in the same timezone as 389 # your school. If just a few courses are in a different timezone, set this in 390 # course.conf for the affected courses instead. 391 # 392 $siteDefaults{timezone} = ""; 393 394 ################################################################################ 395 # Frontend options 396 ################################################################################ 397 398 %templates = ( 399 system => "$webworkDirs{conf}/templates/ur.template", 400 ); 401 402 ################################################################################ 403 # Authorization system 404 ################################################################################ 405 406 # This lets you specify a minimum permission level needed to perform certain 407 # actions. In the current system, >=10 will allow a professor to perform the 408 # action, >=5 will allow a TA to, and >=0 will allow a student to perform an 409 # action (almost never what you want). 410 411 my $student = 0; 412 my $ta = 5; 413 my $professor = 10; 414 my $nobody = undef; 415 416 %permissionLevels = ( 417 report_bugs => $student, 418 submit_feedback => $student, 419 change_password => $student, 420 change_email_address => $student, 421 422 view_multiple_sets => $ta, 423 view_unopened_sets => $ta, 424 view_unpublished_sets => $ta, 425 view_answers => $ta, 426 427 become_student => $professor, 428 access_instructor_tools => $ta, 429 score_sets => $professor, 430 send_mail => $professor, 431 receive_feedback => $ta, 432 433 create_and_delete_problem_sets => $professor, 434 assign_problem_sets => $professor, 435 modify_problem_sets => $professor, 436 modify_student_data => $professor, 437 modify_classlist_files => $professor, 438 modify_set_def_files => $professor, 439 modify_scoring_files => $professor, 440 modify_problem_template_files => $professor, 441 442 create_and_delete_courses => $professor, 443 fix_course_databases => $professor, 444 445 ##### Behavior of the interactive problem processor ##### 446 447 show_correct_answers_before_answer_date => $ta, 448 show_solutions_before_answer_date => $ta, 449 avoid_recording_answers => $ta, 450 check_answers_before_open_date => $ta, 451 check_answers_after_open_date_with_attempts => $ta, 452 check_answers_after_open_date_without_attempts => $student, 453 check_answers_after_due_date => $student, 454 check_answers_after_answer_date => $student, 455 record_answers_when_acting_as_student => $nobody, 456 # "record_answers_when_acting_as_student" takes precedence 457 # over the following for professors acting as students: 458 record_answers_before_open_date => $nobody, 459 record_answers_after_open_date_with_attempts => $student, 460 record_answers_after_open_date_without_attempts => $nobody, 461 record_answers_after_due_date => $nobody, 462 record_answers_after_answer_date => $nobody, 463 dont_log_past_answers => $professor, 464 465 ##### Behavior of the Hardcopy Processor ##### 466 467 download_hardcopy_multiuser => $ta, 468 download_hardcopy_multiset => $ta, 469 download_hardcopy_format_tex => $ta, 470 ); 471 472 ################################################################################ 473 # Session options 474 ################################################################################ 475 476 # $sessionKeyTimeout defines seconds of inactivity before a key expires 477 $sessionKeyTimeout = 60*30; 478 479 # $sessionKeyLength defines the length (in characters) of the session key 480 $sessionKeyLength = 40; 481 482 # @sessionKeyChars lists the legal session key characters 483 @sessionKeyChars = ('A'..'Z', 'a'..'z', '0'..'9', '.', '^', '/', '!', '*'); 484 485 # Practice users are users who's names start with $practiceUser 486 # (you can comment this out to remove practice user support) 487 $practiceUserPrefix = "practice"; 488 489 # There is a practice user who can be logged in multiple times. He's 490 # commented out by default, though, so you don't hurt yourself. It is 491 # kindof a backdoor to the practice user system, since he doesn't have a 492 # password. Come to think of it, why do we even have this?! 493 #$debugPracticeUser = "practice666"; 494 495 ################################################################################ 496 # PG subsystem options 497 ################################################################################ 498 499 # List of enabled display modes. Comment out any modes you don't wish to make 500 # available for use. 501 $pg{displayModes} = [ 502 "plainText", # display raw TeX for math expressions 503 "formattedText", # format math expressions using TtH 504 "images", # display math expressions as images generated by dvipng 505 "jsMath", # render TeX math expressions on the client side using jsMath 506 "asciimath", # render TeX math expressions on the client side using ASCIIMathML 507 ]; 508 509 #### Default settings for the PG translator 510 511 # Default display mode. Should be listed above. 512 $pg{options}{displayMode} = "images"; 513 514 # The default grader to use, if a problem doesn't specify. 515 $pg{options}{grader} = "avg_problem_grader"; 516 517 # Fill in answer blanks with the student's last answer by default? 518 $pg{options}{showOldAnswers} = 1; 519 520 # Show correct answers (when allowed) by default? 521 $pg{options}{showCorrectAnswers} = 0; 522 523 # Show hints (when allowed) by default? 524 $pg{options}{showHints} = 0; 525 526 # Show solutions (when allowed) by default? 527 $pg{options}{showSolutions} = 0; 528 529 # Catch translation warnings internally by default? (We no longer need to do 530 # this, since there is a global warnings handler. So this should be off.) 531 $pg{options}{catchWarnings} = 0; 532 533 ##### Currently-selected renderer 534 535 # Only the local renderer is supported in this version. 536 $pg{renderer} = "WeBWorK::PG::Local"; 537 538 # The remote renderer connects to an XML-RPC PG rendering server. 539 #$pg{renderer} = "WeBWorK::PG::Remote"' 540 541 ##### Renderer-dependent options 542 543 # The remote renderer has one option: 544 $pg{renderers}{"WeBWorK::PG::Remote"} = { 545 # The "proxy" server to connect to for remote rendering. 546 proxy => "http://localhost:21000/RenderD", 547 }; 548 549 ##### Settings for various display modes 550 551 # "images" mode has several settings: 552 $pg{displayModeOptions}{images} = { 553 # Determines the method used to align images in output. Can be 554 # "baseline", "absmiddle", or "mysql". 555 dvipng_align => 'baseline', 556 557 # If we choose mysql, we need information on connecting to the 558 # database. Whatever you use here, you have to create the database 559 # and grant read/write priveleges to the user listed here. To create 560 # the database in mysql, as root use: 561 # 562 # CREATE DATABASE DvipngDepths; 563 # USE DvipngDepths; 564 # CREATE TABLE depths (md5 CHAR(33) NOT NULL, depth SMALLINT, PRIMARY KEY (md5)); 565 # GRANT ALL ON DvipngDepths.* TO webworkWrite; 566 # 567 # In the last statement, "webworkWrite" should match the user below. 568 # FIXME: this database can become a table in the 'webwork' database 569 dvipng_depth_db => { 570 dbsource => 'dbi:mysql:DvipngDepths', 571 user => $dbLayouts{sql}->{password}->{params}->{usernameRW}, 572 passwd => $dbLayouts{sql}->{password}->{params}->{passwordRW}, 573 }, 574 }; 575 576 ##### Directories used by PG 577 578 # The root of the PG directory tree (from pg_root in Apache config). 579 $pg{directories}{root} = "$pg_dir"; 580 $pg{directories}{lib} = "$pg{directories}{root}/lib"; 581 $pg{directories}{macros} = "$pg{directories}{root}/macros"; 582 583 ##### "Special" PG environment variables. (Stuff that doesn't fit in anywhere else.) 584 585 # Users for whom to print the file name of the PG file being processed. 586 $pg{specialPGEnvironmentVars}{PRINT_FILE_NAMES_FOR} = [ "professor", ]; 587 588 # Locations of CAPA resources. (Only necessary if you need to use converted CAPA 589 # problems.) 590 $pg{specialPGEnvironmentVars}{CAPA_Tools} = "$courseDirs{macros}/CAPA_Tools/", 591 $pg{specialPGEnvironmentVars}{CAPA_MCTools} = "$courseDirs{macros}/CAPA_MCTools/", 592 $pg{specialPGEnvironmentVars}{CAPA_GraphicsDirectory} = "$courseDirs{html}/CAPA_Graphics/", 593 $pg{specialPGEnvironmentVars}{CAPA_Graphics_URL} = "$courseURLs{html}/CAPA_Graphics/", 594 595 # Size in pixels of dynamically-generated images, i.e. graphs. 596 $pg{specialPGEnvironmentVars}{onTheFlyImageSize} = 400, 597 598 ##### PG modules to load 599 600 # The first item of each list is the module to load. The remaining items are 601 # additional packages to import. 602 603 ${pg}{modules} = [ 604 [qw(DynaLoader)], 605 [qw(Exporter)], 606 [qw(GD)], 607 608 [qw(AlgParser AlgParserWithImplicitExpand Expr ExprWithImplicitExpand)], 609 [qw(AnswerHash AnswerEvaluator)], 610 [qw(WWPlot)], # required by Circle (and others) 611 [qw(Circle)], 612 [qw(Complex)], 613 [qw(Complex1)], 614 [qw(Distributions)], 615 [qw(Fraction)], 616 [qw(Fun)], 617 [qw(Hermite)], 618 [qw(Label)], 619 [qw(List)], 620 [qw(Match)], 621 [qw(MatrixReal1)], # required by Matrix 622 [qw(Matrix)], 623 [qw(Multiple)], 624 [qw(PGrandom)], 625 [qw(Regression)], 626 [qw(Select)], 627 [qw(Units)], 628 [qw(VectorField)], 629 [qw(Parser Value)], 630 ]; 631 632 ##### Answer evaluatior defaults 633 634 $pg{ansEvalDefaults} = { 635 functAbsTolDefault => .001, 636 functLLimitDefault => .0000001, 637 functMaxConstantOfIntegration => 1E8, 638 functNumOfPoints => 3, 639 functRelPercentTolDefault => .1, 640 functULimitDefault => .9999999, 641 functVarDefault => "x", 642 functZeroLevelDefault => 1E-14, 643 functZeroLevelTolDefault => 1E-12, 644 numAbsTolDefault => .001, 645 numFormatDefault => "", 646 numRelPercentTolDefault => .1, 647 numZeroLevelDefault => 1E-14, 648 numZeroLevelTolDefault => 1E-12, 649 useBaseTenLog => 0, 650 defaultDisplayMatrixStyle => "[s]", 651 }; 652 653 ################################################################################ 654 # Compatibility 655 ################################################################################ 656 657 # Define the old names for the various "root" variables. 658 $webworkRoot = $webworkDirs{root}; 659 $webworkURLRoot = $webworkURLs{root}; 660 $pgRoot = $pg{directories}{root};
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