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1 #!perl 2 ################################################################################ 3 # WeBWorK Online Homework Delivery System 4 # Copyright © 2000-2003 The WeBWorK Project, http://openwebwork.sf.net/ 5 # $CVSHeader$ 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{mv} = "/bin/mv"; 53 $externalPrograms{mysql} = "/usr/local/bin/mysql"; 54 55 $externalPrograms{latex} = "/usr/local/bin/latex"; 56 $externalPrograms{pdflatex} = "/usr/local/bin/pdflatex --shell-escape"; # allows pdflatex to handle .eps files 57 $externalPrograms{dvipng} = "/usr/local/bin/dvipng"; 58 $externalPrograms{tth} = "/usr/local/bin/tth"; 59 60 $externalPrograms{tar} = "/usr/bin/tar"; 61 62 ################################################################################ 63 # Mail settings 64 ################################################################################ 65 66 # Mail sent by the PG system and the mail merge and feedback modules will be 67 # sent via this SMTP server. 68 $mail{smtpServer} = 'mail.yourschool.edu'; 69 70 # When connecting to the above server, WeBWorK will send this address in the 71 # MAIL FROM command. This has nothing to do with the "From" address on the mail 72 # message. It can really be anything, but some mail servers require it contain 73 # a valid mail domain, or at least be well-formed. 74 $mail{smtpSender} = 'webwork@yourserver.yourschool.edu'; 75 76 # AllowedRecipients defines addresses that the PG system is allowed to send mail 77 # to. this prevents subtle PG exploits. This should be set in course.conf to the 78 # addresses of professors of each course. Sending mail from the PG system (i.e. 79 # questionaires, essay questions) will fail if this is not set somewhere (either 80 # here or in course.conf). 81 $mail{allowedRecipients} = [ 82 #'prof1@yourserver.yourdomain.edu', 83 #'prof2@yourserver.yourdomain.edu', 84 ]; 85 86 # If defined, feedbackRecipients overrides the list of recipients for feedback 87 # email. It's appropriate to set this in the course.conf for specific courses, 88 # but probably not in global.conf. if not defined, mail is sent to all 89 # professors and TAs for a given course 90 #$mail{feedbackRecipients} = [ 91 # 'prof1@yourserver.yourdomain.edu', 92 # 'prof2@yourserver.yourdomain.edu', 93 #]; 94 95 # feedbackVerbosity: 96 # 0: send only the feedback comment and context link 97 # 1: as in 0, plus user, set, problem, and PG data 98 # 2: as in 1, plus the problem environment (debugging data) 99 $mail{feedbackVerbosity} = 1; 100 101 # Defines the size of the Mail Merge editor window 102 # FIXME: should this be here? it's UI, not mail 103 # FIXME: replace this with the auto-size method that TWiki uses 104 $mail{editor_window_rows} = 15; 105 $mail{editor_window_columns} = 100; 106 107 ################################################################################ 108 # System-wide locations (directories and URLs) 109 ################################################################################ 110 111 # The root directory, set by webwork_root variable in Apache configuration. 112 $webworkDirs{root} = "$webwork_dir"; 113 114 # Location of system-wide data files. 115 $webworkDirs{DATA} = "$webworkDirs{root}/DATA"; 116 117 # Used for temporary storage of uploaded files. 118 $webworkDirs{uploadCache} = "$webworkDirs{DATA}/uploads"; 119 120 # Location of utility programs. 121 $webworkDirs{bin} = "$webworkDirs{root}/bin"; 122 123 # Location of configuration files, templates, snippets, etc. 124 $webworkDirs{conf} = "$webworkDirs{root}/conf"; 125 126 # Location of course directories. 127 $webworkDirs{courses} = "$webwork_courses_dir" || "$webworkDirs{root}/courses"; 128 129 # Contains log files. 130 $webworkDirs{logs} = "$webworkDirs{root}/logs"; 131 132 # Contains non-web-accessible temporary files, such as TeX working directories. 133 $webworkDirs{tmp} = "$webworkDirs{root}/tmp"; 134 135 # The (absolute) destinations of symbolic links that are OK for the FileManager to follow. 136 # (any subdirectory of these is a valid target for a symbolic link.) 137 # For example: 138 # $webworkDirs{valid_symlinks} = ["$webworkDirs{courses}/modelCourse/templates","/ww2/common/sets"]; 139 $webworkDirs{valid_symlinks} = []; 140 141 ##### The following locations are web-accessible. 142 143 # The root URL (usually /webwork2), set by <Location> in Apache configuration. 144 $webworkURLs{root} = "$webwork_url"; 145 146 # Location of system-wide web-accessible files, such as equation images, and 147 # help files. 148 $webworkDirs{htdocs} = "$webwork_htdocs_dir" || "$webworkDirs{root}/htdocs"; 149 $webworkURLs{htdocs} = "$webwork_htdocs_url"; 150 151 # Location of web-accessible temporary files, such as equation images. 152 $webworkDirs{htdocs_temp} = "$webworkDirs{htdocs}/tmp"; 153 $webworkURLs{htdocs_temp} = "$webworkURLs{htdocs}/tmp"; 154 155 # Location of cached equation images. 156 $webworkDirs{equationCache} = "$webworkDirs{htdocs_temp}/equations"; 157 $webworkURLs{equationCache} = "$webworkURLs{htdocs_temp}/equations"; 158 159 # Contains context-sensitive help files. 160 $webworkDirs{local_help} = "$webworkDirs{htdocs}/helpFiles"; 161 $webworkURLs{local_help} = "$webworkURLs{htdocs}/helpFiles"; 162 163 # URL of general WeBWorK documentation. 164 $webworkURLs{docs} = "http://webhost.math.rochester.edu/webworkdocs/docs"; 165 166 # URL of WeBWorK 1.x profLogin.pl script, for access to old professor pages. 167 # Note that both systems must share a single "courses" directory for this to be 168 # useful. Leave this blank to disable 169 $webworkURLs{oldProf} = "/webwork1/profLogin.pl"; 170 171 # URL of WeBWorK Bugzilla database. 172 $webworkURLs{bugReporter} = "http://bugs.webwork.rochester.edu/"; 173 174 # Location of CSS 175 $webworkURLs{stylesheet} = "$webworkURLs{htdocs}/css/ur.css"; 176 177 # Location of jsMath script, used for the jsMath display mode. 178 $webworkURLs{jsMath} = "$webworkURLs{htdocs}/jsMath/jsMath.js"; 179 180 # Location of ASCIIMathML script, used for the asciimath display mode. 181 $webworkURLs{asciimath} = "$webworkURLs{htdocs}/ASCIIMathML/ASCIIMathML.js"; 182 183 ################################################################################ 184 # Defaults for course-specific locations (directories and URLs) 185 ################################################################################ 186 187 # The root directory of the current course. (The ID of the current course is 188 # available in $courseName.) 189 $courseDirs{root} = "$webworkDirs{courses}/$courseName"; 190 191 # Location of course-specific data files, such as WW1 (GDBM) database files. 192 $courseDirs{DATA} = "$courseDirs{root}/DATA"; 193 194 # Location of authentication data files when using a WW1 (GDBM) database. 195 $courseDirs{auth_DATA} = "$courseDirs{DATA}/.auth"; 196 197 # Location of course HTML files, passed to PG. 198 $courseDirs{html} = "$courseDirs{root}/html"; 199 $courseURLs{html} = "$webwork_courses_url/$courseName"; 200 201 # Location of course image files, passed to PG. 202 $courseDirs{html_images} = "$courseDirs{html}/images"; 203 204 # Location of web-accessible, course-specific temporary files, like static and 205 # dynamically-generated PG graphics. 206 $courseDirs{html_temp} = "$courseDirs{html}/tmp"; 207 $courseURLs{html_temp} = "$courseURLs{html}/tmp"; 208 209 # Location of course-specific logs, like the transaction log. 210 $courseDirs{logs} = "$courseDirs{root}/logs"; 211 212 # Location of scoring files. 213 $courseDirs{scoring} = "$courseDirs{root}/scoring"; 214 215 # Location of PG templates and set definition files. 216 $courseDirs{templates} = "$courseDirs{root}/templates"; 217 218 # Location of course-specific macro files. 219 $courseDirs{macros} = "$courseDirs{templates}/macros"; 220 221 # Location of mail-merge templates. 222 $courseDirs{email} = "$courseDirs{templates}/email"; 223 224 ################################################################################ 225 # System-wide files 226 ################################################################################ 227 228 # Location of this file. 229 $webworkFiles{environment} = "$webworkDirs{conf}/global.conf"; 230 231 # Flat-file database used to protect against MD5 hash collisions. TeX equations 232 # are hashed to determine the name of the image file. There is a tiny chance of 233 # a collision between two TeX strings. This file allows for that. However, this 234 # is slow, so most people chose not to worry about it. Set this to "" if you 235 # don't want to use the equation cache file. 236 $webworkFiles{equationCacheDB} = ""; # "$webworkDirs{DATA}/equationcache"; 237 238 ##### Hardcopy snippets are used in constructing a TeX file for hardcopy output. 239 ##### They should contain TeX code unless otherwise noted. 240 241 # The preamble is the first thing in the TeX file. 242 $webworkFiles{hardcopySnippets}{preamble} = "$webworkDirs{conf}/snippets/hardcopyPreamble.tex"; 243 244 # The setHeader preceeds each set. It is a PG file. 245 $webworkFiles{hardcopySnippets}{setHeader} = "$webworkDirs{conf}/snippets/setHeader.pg"; # hardcopySetHeader.pg", 246 247 # The problem divider goes between problems. 248 $webworkFiles{hardcopySnippets}{problemDivider} = "$webworkDirs{conf}/snippets/hardcopyProblemDivider.tex"; 249 250 # The set footer goes after each set. Is is a PG file. 251 $webworkFiles{hardcopySnippets}{setFooter} = "$webworkDirs{conf}/snippets/hardcopySetFooter.pg"; 252 253 # The set divider goes between sets (in multiset output). 254 $webworkFiles{hardcopySnippets}{setDivider} = "$webworkDirs{conf}/snippets/hardcopySetDivider.tex"; 255 256 # The user divider does between users (in multiuser output). 257 $webworkFiles{hardcopySnippets}{userDivider} = "$webworkDirs{conf}/snippets/hardcopyUserDivider.tex"; 258 259 # The postabmle is the last thing in the TeX file. 260 $webworkFiles{hardcopySnippets}{postamble} = "$webworkDirs{conf}/snippets/hardcopyPostamble.tex"; 261 262 ##### Screen snippets are used when displaying problem sets on the screen. 263 264 # The set header is displayed on the problem set page. It is a PG file. 265 $webworkFiles{screenSnippets}{setHeader} = "$webworkDirs{conf}/snippets/setHeader.pg"; # screenSetHeader.pg" 266 267 # A PG template for creation of new problems. 268 $webworkFiles{screenSnippets}{blankProblem} = "$webworkDirs{conf}/snippets/blankProblem.pg"; # screenSetHeader.pg" 269 270 # A site info "message of the day" file 271 $webworkFiles{site_info} = "$webworkDirs{htdocs}/site_info.txt"; 272 ################################################################################ 273 # Course-specific files 274 ################################################################################ 275 276 # The course configuration file. 277 $courseFiles{environment} = "$courseDirs{root}/course.conf"; 278 279 # File contents are displayed after login, on the problem sets page. Path given 280 # here is relative to the templates directory. 281 $courseFiles{course_info} = "course_info.txt"; 282 283 # File contents are displayed on the login page. Path given here is relative to 284 # the templates directory. 285 $courseFiles{login_info} = "login_info.txt"; 286 287 # Additional library buttons can be added to the Library Browser (SetMaker.pm) 288 # by adding the libraries you want to the following line. For each key=>value 289 # in the list, if a directory (or link to a directory) with name 'key' appears 290 # in the templates directory, then a button with name 'value' will be placed at 291 # the top of the problem browser. (No button will appear if there is no 292 # directory or link with the given name in the templates directory.) For 293 # example, 294 # 295 # $courseFiles{problibs} = {rochester => "Rochester", asu => "ASU"}; 296 # 297 # would add two buttons, one for the Rochester library and one for the ASU 298 # library, provided templates/rochester and templates/asu exists either as 299 # subdirectories or links to other directories. 300 # 301 $courseFiles{problibs} = { 302 # rochesterLibrary => "Rochester", 303 # asuLibrary => "Arizona State", 304 # dcdsLibrary => "Detroit CDS", 305 # dartmouthLibrary => "Dartmouth", 306 # indianaLibrary => "Indiana", 307 # osuLibrary => "Ohio State", 308 # capaLibrary => "CAPA", 309 }; 310 311 ################################################################################ 312 # Database options (WWDBv3) 313 ################################################################################ 314 315 # The four arguments passed to the DBI::connect() method. See the DBI manual for 316 # more information. 317 $wwdbv3_settings{dsn} = "dbi:mysql:wwdbv3"; 318 $wwdbv3_settings{user} = "wwdbv3"; 319 $wwdbv3_settings{pass} = "xyzzy"; 320 $wwdbv3_settings{attr} = {}; 321 322 # WWDBv3 needs a lock file to prevent concurrent database upgrades. The file 323 # will be locked with flock(). 324 $wwdbv3_settings{upgrade_lock} = "$webworkDirs{tmp}/wwdbv3_upgrade.lock"; 325 326 ################################################################################ 327 # Database options (WWDBv2) 328 ################################################################################ 329 330 # Several database are defined in the file conf/database.conf and stored in the 331 # hash %dbLayouts. 332 include "conf/database.conf"; 333 334 # Select the default database layout. This can be overridden in the course.conf 335 # file of a particular course. If you choose "gdbm", WeBWorK will be able to 336 # use courses from WeBWorK 1 without first adding course.conf files to them. 337 # However, the recommended database layout for new courses is "sql_single". This 338 # can be set when creating a course. 339 $dbLayoutName = "sql_single"; # or "gdbm" or "sql" 340 341 # This sets the symbol "dbLayout" as an alias for the selected database layout. 342 *dbLayout = $dbLayouts{$dbLayoutName}; 343 344 ################################################################################ 345 # Problem library options 346 ################################################################################ 347 348 # The directory containing the problem library files. Set to "" if no problem 349 # library is installed. 350 $problemLibrary{root} = ""; 351 352 # The name of the SQL database containing problem metadata 353 $problemLibrary{sourceSQL} = "ProblemLibrary"; 354 355 # The user name to use when connecting to the problem library database 356 $problemLibrary{userSQL} = "webworkRead"; 357 358 # The password to use when connecting to the problem library database 359 $problemLibrary{passwordSQL} = ""; 360 361 ################################################################################ 362 # Logs 363 ################################################################################ 364 365 # FIXME: take logs out of %webworkFiles/%courseFiles and give them their own 366 # top-level hash. 367 368 # Logs data about how long it takes to process problems. (Do not confuse this 369 # with the /other/ timing log which can be set by WeBWorK::Timing and is used 370 # for benchmarking system performance in general. At some point, this timing 371 # mechanism will be deprecated in favor of the WeBWorK::Timing mechanism.) 372 $webworkFiles{logs}{timing} = "$webworkDirs{logs}/timing.log"; 373 374 # Logs courses created via the web-based Course Administration module. 375 $webworkFiles{logs}{hosted_courses} = "$webworkDirs{logs}/hosted_courses.log"; 376 377 # The transaction log contains data from each recorded answer submission. This 378 # is useful if the database becomes corrupted. 379 $webworkFiles{logs}{transaction} = "$courseDirs{logs}/transaction.log"; 380 381 # The answer log stores a history of all users' submitted answers. 382 $courseFiles{logs}{answer_log} = "$courseDirs{logs}/answer_log"; 383 384 # Log logins. 385 $courseFiles{logs}{login_log} = "$courseDirs{logs}/login.log"; 386 387 ################################################################################ 388 # More paths to external programs 389 ################################################################################ 390 391 # These image conversion utilities are included in the WeBWorK distribution. 392 $externalPrograms{gif2eps} = "$webworkDirs{bin}/gif2eps"; 393 $externalPrograms{png2eps} = "$webworkDirs{bin}/png2eps"; 394 $externalPrograms{gif2png} = "$webworkDirs{bin}/gif2png"; 395 396 ################################################################################ 397 # Site defaults (FIXME: what other things could be "site defaults"?) 398 ################################################################################ 399 400 # Status strings -- lists valid status values and their names. If your site uses 401 # additional values, add them here. 402 $siteDefaults{status} = { 403 A => "Audit", 404 a => "Audit", 405 audit => "Audit", 406 D => "Drop", 407 d => "Drop", 408 drop => "Drop", 409 withdraw => "Drop", 410 C => "Enrolled", 411 c => "Enrolled", 412 current => "Enrolled", 413 enrolled => "Enrolled", 414 }; 415 416 # Set the default timezone of courses on this server. To get a list of valid 417 # timezones, run: 418 # 419 # perl -MDateTime::TimeZone -e 'print join "\n", DateTime::TimeZone::all_names' 420 # 421 # To get a list of valid timezone "links" (deprecated names), run: 422 # 423 # perl -MDateTime::TimeZone -e 'print join "\n", DateTime::TimeZone::links' 424 # 425 # If left blank, the system timezone will be used. This is usually what you 426 # want. You might want to set this if your server is NOT in the same timezone as 427 # your school. If just a few courses are in a different timezone, set this in 428 # course.conf for the affected courses instead. 429 # 430 $siteDefaults{timezone} = ""; 431 432 ################################################################################ 433 # Frontend options 434 ################################################################################ 435 436 %templates = ( 437 system => "$webworkDirs{conf}/templates/ur.template", 438 gateway => "$webworkDirs{conf}/templates/gw.template", 439 ); 440 441 ################################################################################ 442 # Authorization system 443 ################################################################################ 444 445 # This lets you specify a minimum permission level needed to perform certain 446 # actions. For each pair in the hash below, in order to perform the action 447 # described by the key, the user must have a permission level greater than or 448 # equal to the value. 449 450 my $guest = -1; 451 my $student = 0; 452 my $proctor = 2; 453 my $ta = 5; 454 my $professor = 10; 455 my $nobody = undef; 456 457 %permissionLevels = ( 458 login => $guest, 459 report_bugs => $student, 460 submit_feedback => $student, 461 change_password => $student, 462 change_email_address => $student, 463 464 proctor_quiz => $proctor, 465 466 view_multiple_sets => $ta, 467 view_unopened_sets => $ta, 468 view_unpublished_sets => $ta, 469 view_answers => $ta, 470 471 become_student => $professor, 472 access_instructor_tools => $ta, 473 score_sets => $professor, 474 send_mail => $professor, 475 receive_feedback => $ta, 476 477 create_and_delete_problem_sets => $professor, 478 assign_problem_sets => $professor, 479 modify_problem_sets => $professor, 480 modify_student_data => $professor, 481 modify_classlist_files => $professor, 482 modify_set_def_files => $professor, 483 modify_scoring_files => $professor, 484 modify_problem_template_files => $professor, 485 486 create_and_delete_courses => $professor, 487 fix_course_databases => $professor, 488 489 ##### Behavior of the interactive problem processor ##### 490 491 show_correct_answers_before_answer_date => $ta, 492 show_solutions_before_answer_date => $ta, 493 avoid_recording_answers => $ta, 494 check_answers_before_open_date => $ta, 495 check_answers_after_open_date_with_attempts => $ta, 496 check_answers_after_open_date_without_attempts => $guest, 497 check_answers_after_due_date => $guest, 498 check_answers_after_answer_date => $guest, 499 record_answers_when_acting_as_student => $nobody, 500 # "record_answers_when_acting_as_student" takes precedence 501 # over the following for professors acting as students: 502 record_answers_before_open_date => $nobody, 503 record_answers_after_open_date_with_attempts => $student, 504 record_answers_after_open_date_without_attempts => $nobody, 505 record_answers_after_due_date => $nobody, 506 record_answers_after_answer_date => $nobody, 507 dont_log_past_answers => $professor, 508 509 ##### Behavior of the Hardcopy Processor ##### 510 511 download_hardcopy_multiuser => $ta, 512 download_hardcopy_multiset => $ta, 513 download_hardcopy_format_tex => $ta, 514 ); 515 516 ################################################################################ 517 # Session options 518 ################################################################################ 519 520 # $sessionKeyTimeout defines seconds of inactivity before a key expires 521 $sessionKeyTimeout = 60*30; 522 523 # $sessionKeyLength defines the length (in characters) of the session key 524 $sessionKeyLength = 40; 525 526 # @sessionKeyChars lists the legal session key characters 527 @sessionKeyChars = ('A'..'Z', 'a'..'z', '0'..'9', '.', '^', '/', '!', '*'); 528 529 # Practice users are users who's names start with $practiceUser 530 # (you can comment this out to remove practice user support) 531 $practiceUserPrefix = "practice"; 532 533 # There is a practice user who can be logged in multiple times. He's 534 # commented out by default, though, so you don't hurt yourself. It is 535 # kindof a backdoor to the practice user system, since he doesn't have a 536 # password. Come to think of it, why do we even have this?! 537 #$debugPracticeUser = "practice666"; 538 539 ################################################################################ 540 # PG subsystem options 541 ################################################################################ 542 543 # List of enabled display modes. Comment out any modes you don't wish to make 544 # available for use. 545 $pg{displayModes} = [ 546 "plainText", # display raw TeX for math expressions 547 "formattedText", # format math expressions using TtH 548 "images", # display math expressions as images generated by dvipng 549 "jsMath", # render TeX math expressions on the client side using jsMath 550 "asciimath", # render TeX math expressions on the client side using ASCIIMathML 551 ]; 552 553 #### Default settings for the PG translator 554 555 # Default display mode. Should be listed above. 556 $pg{options}{displayMode} = "images"; 557 558 # The default grader to use, if a problem doesn't specify. 559 $pg{options}{grader} = "avg_problem_grader"; 560 561 # Fill in answer blanks with the student's last answer by default? 562 $pg{options}{showOldAnswers} = 1; 563 564 # Show correct answers (when allowed) by default? 565 $pg{options}{showCorrectAnswers} = 0; 566 567 # Show hints (when allowed) by default? 568 $pg{options}{showHints} = 0; 569 570 # Show solutions (when allowed) by default? 571 $pg{options}{showSolutions} = 0; 572 573 # Catch translation warnings internally by default? (We no longer need to do 574 # this, since there is a global warnings handler. So this should be off.) 575 $pg{options}{catchWarnings} = 0; 576 577 ##### Currently-selected renderer 578 579 # Only the local renderer is supported in this version. 580 $pg{renderer} = "WeBWorK::PG::Local"; 581 582 # The remote renderer connects to an XML-RPC PG rendering server. 583 #$pg{renderer} = "WeBWorK::PG::Remote"; 584 585 ##### Renderer-dependent options 586 587 # The remote renderer has one option: 588 $pg{renderers}{"WeBWorK::PG::Remote"} = { 589 # The "proxy" server to connect to for remote rendering. 590 proxy => "http://localhost:21000/RenderD", 591 }; 592 593 ##### Settings for various display modes 594 595 # "images" mode has several settings: 596 $pg{displayModeOptions}{images} = { 597 # Determines the method used to align images in output. Can be 598 # "baseline", "absmiddle", or "mysql". 599 dvipng_align => 'baseline', 600 601 # If we choose mysql, we need information on connecting to the 602 # database. Whatever you use here, you have to create the database 603 # and grant read/write priveleges to the user listed here. To create 604 # the database in mysql, as root use: 605 # 606 # CREATE DATABASE DvipngDepths; 607 # USE DvipngDepths; 608 # CREATE TABLE depths (md5 CHAR(33) NOT NULL, depth SMALLINT, PRIMARY KEY (md5)); 609 # GRANT ALL ON DvipngDepths.* TO webworkWrite; 610 # 611 # In the last statement, "webworkWrite" should match the user below. 612 # FIXME: this database can become a table in the 'webwork' database 613 dvipng_depth_db => { 614 dbsource => 'dbi:mysql:DvipngDepths', 615 user => $dbLayouts{sql}->{password}->{params}->{usernameRW}, 616 passwd => $dbLayouts{sql}->{password}->{params}->{passwordRW}, 617 }, 618 }; 619 620 $pg{displayModeOptions}{jsMath} = { 621 reportMissingFonts => 1, # set to 0 to prevent the missing font message 622 missingFontMessage => undef, # set to an HTML string to use for the missing font message 623 }; 624 625 ##### Directories used by PG 626 627 # The root of the PG directory tree (from pg_root in Apache config). 628 $pg{directories}{root} = "$pg_dir"; 629 $pg{directories}{lib} = "$pg{directories}{root}/lib"; 630 $pg{directories}{macros} = "$pg{directories}{root}/macros"; 631 632 # 633 # The macro file search path. Each directory in this list is seached 634 # (in this order) by loadMacros() when it looks for a .pl file. 635 # 636 $pg{directories}{macrosPath} = [ 637 ".", # search the problem file's directory 638 $courseDirs{macros}, 639 $pg{directories}{macros}, 640 ]; 641 642 ##### "Special" PG environment variables. (Stuff that doesn't fit in anywhere else.) 643 644 # Users for whom to print the file name of the PG file being processed. 645 $pg{specialPGEnvironmentVars}{PRINT_FILE_NAMES_FOR} = [ "professor", ]; 646 647 # Locations of CAPA resources. (Only necessary if you need to use converted CAPA 648 # problems.) 649 $pg{specialPGEnvironmentVars}{CAPA_Tools} = "$courseDirs{macros}/CAPA_Tools/", 650 $pg{specialPGEnvironmentVars}{CAPA_MCTools} = "$courseDirs{macros}/CAPA_MCTools/", 651 $pg{specialPGEnvironmentVars}{CAPA_GraphicsDirectory} = "$courseDirs{html}/CAPA_Graphics/", 652 $pg{specialPGEnvironmentVars}{CAPA_Graphics_URL} = "$courseURLs{html}/CAPA_Graphics/", 653 654 # Size in pixels of dynamically-generated images, i.e. graphs. 655 $pg{specialPGEnvironmentVars}{onTheFlyImageSize} = 400, 656 657 ##### PG modules to load 658 659 # The first item of each list is the module to load. The remaining items are 660 # additional packages to import. 661 662 ${pg}{modules} = [ 663 [qw(DynaLoader)], 664 [qw(Exporter)], 665 [qw(GD)], 666 667 [qw(AlgParser AlgParserWithImplicitExpand Expr ExprWithImplicitExpand utf8)], 668 [qw(AnswerHash AnswerEvaluator)], 669 [qw(WWPlot)], # required by Circle (and others) 670 [qw(Circle)], 671 [qw(Complex)], 672 [qw(Complex1)], 673 [qw(Distributions)], 674 [qw(Fraction)], 675 [qw(Fun)], 676 [qw(Hermite)], 677 [qw(Label)], 678 [qw(List)], 679 [qw(Match)], 680 [qw(MatrixReal1)], # required by Matrix 681 [qw(Matrix)], 682 [qw(Multiple)], 683 [qw(PGrandom)], 684 [qw(Regression)], 685 [qw(Select)], 686 [qw(Units)], 687 [qw(VectorField)], 688 [qw(Parser Value)], 689 [qw(Apache::Log)], 690 ]; 691 692 ##### Answer evaluatior defaults 693 694 $pg{ansEvalDefaults} = { 695 functAbsTolDefault => .001, 696 functLLimitDefault => .0000001, 697 functMaxConstantOfIntegration => 1E8, 698 functNumOfPoints => 3, 699 functRelPercentTolDefault => .1, 700 functULimitDefault => .9999999, 701 functVarDefault => "x", 702 functZeroLevelDefault => 1E-14, 703 functZeroLevelTolDefault => 1E-12, 704 numAbsTolDefault => .001, 705 numFormatDefault => "", 706 numRelPercentTolDefault => .1, 707 numZeroLevelDefault => 1E-14, 708 numZeroLevelTolDefault => 1E-12, 709 useBaseTenLog => 0, 710 defaultDisplayMatrixStyle => "[s]", 711 }; 712 713 ################################################################################ 714 # Compatibility 715 ################################################################################ 716 717 # Define the old names for the various "root" variables. 718 $webworkRoot = $webworkDirs{root}; 719 $webworkURLRoot = $webworkURLs{root}; 720 $pgRoot = $pg{directories}{root};
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