Changes in 11.3
Contents
1. as a TfL matrix via a toggle option 16 under Main Menu Option 1 following which certain new options become available See point 4 below 11 2 1 27 11 12 Added option to set all row zone names to their sequential values useful e g after editing and or renaming the current set of zones Option 15 from main menu 1 11 2 6 11 06 13 An option to automatically compress a matrix based on TfL zoning conventions to a 45 x 45 traffic borough matrix has been created See Section 10 4 4 for the aggregation of the internal matrix and 10 16 4 for the output of an aggregated ufm matrix 11 2 9 08 10 13 Similarly more general options compress a zone to zone matrix into a group to group matrix based on a Z2G control file where a group could be a sector a traffic borough etc etc See 10 4 4 and 10 16 4 11 2 11 16 12 13 E 160 SATURN MANUAL V11 3 Appendix D21 Changes in SATURN Version 11 3 D 21 6 5120257 Apr 15 App D21 5 10 _SATURN By contrast another option expands or decompresses a matrix defined in terms of say group to group movements into one defined by zone to zone movements whereby all zone to zone values take the same corresponding group to group cell value This could be applied to a matrix of say OD costs or factors but not logically to a trip matrix where the group to group trips would need to be factored down when disaggregated to a zonal level See 10 4 5 a2. bus frequencies etc See 11 8 4 2 11 3 07 18 08 14 When tracing routes link by link e g a bus route or an O D tree as joy ride the display of every individual link data in the banner which may take a large number of clicks to work through may now be fast forwarded to the end of the route by clicking on Up1 in the menu bar 11 3 07 20 08 14 Routes may now be optionally nominated by typing in their text name rather than pointing to a line in the banner 11 3 07 25 08 14 A new option under Files Output creates a Bus Route text file with one record for every link within every coded route The format is ad hoc and has been created at the request of one particular user extensions modifications could be easily accommodated See 11 4 2 4 11 3 07 05 09 14 The modelled times used in the Validation of routes may now be based on times which include contributions from added CLICKS delays either for an E 159 SATURN MANUAL V11 3 Appendix D21 Changes in SATURN Version 11 3 D 21 5 5120257 Apr 15 App D21 24 25 26 27 28 29 30 MX _SATURN individual user vehicle class or a weighted average by vehicle or PCU flows Such times may correspond more closely to the sources of the observed travel times See Section 11 7 2 1 Release 11 3 07 09 09 14 Similarly CLICKS times may be added to the cumulative times for joy rides See 11 8 2 3 11 3 07 10 09 14 Two new data items have been added to t
3. levels with a new standard N4 introduced The changes are summarised below Array Level Simulation Junctions Assignment Links Zones B to N3 Standard Unchanged see Section 15 28 N3 Standard 21 000 200 000 2 000 No change No change No change Removed levels Note if a larger version is required please contact Atkins to discuss your specific requirements Note With the internal restructuring there may be some issues of backward compatibility for very large networks using SPIDER Network Aggregation The networks may not be able to be opened in subsequent versions of P1X In these situations the user should revert back to the earlier version of P1X from the original SATURN version used to create them 2 Revisions to the internal array dimensions for Level X7 following a request from TfL 11 3 12 22 04 15 IIW DVV 22 04 15 5120257 Apr 15 E 1 64 App D21 SATURN MANUAL V11 3 Appendix D21 Changes in SATURN Version 11 3 D 21 14 5120257 Apr 15 App D21 SATURN Version Control JOB NUMBER 5120257 DOCUMENT REF App D21 doc 10 9 12 SATURN v10 9 Release Full DVV 22 10 09 10 9 24 SATURN v10 9 Release Full DVV 06 05 11 11 01 09 SATURN v11 1 Release Full DVV 31 03 12 11 2 05 SATURN v11 2 Release Full DVV 31 03 13 E 165
4. need to be satisfied b PCNEAR 1 0 c ISTOP RSTOP 98 97 5 and d NISTOP continues as 4 Release 11 3 2 14 03 14 A minor change under AUTOX if a link distance is not available for a new external link the distance is calculated from the crow fly distance instead of a default of 100 m assuming that SHANDY T which it should be See Section 15 12 Release 11 3 2 17 03 14 A new Serious Warning 187 identifies a problem with X turns at signals where some green phases are terminated by a late unopposed cut off but some are not The problem is whether TAX is allocated or not See Section 8 2 4 1 Release 11 3 4 16 06 14 If FREE77 T in a network dat file then the whole 77777 record including the node definitions is now read in free format not fixed columns so that it is now normally essential that a value of zero is explicitly included as the C node when A B denotes a link See note 13 6 10 There are however two exceptions to the rule of an explicit C node 1 if there are only 3 items in total on the line they are assumed to be A B Count and 2 if the 3 item is real i e has a decimal then it is assumed to be a count not a C node See note 14 6 10 Release 11 3 4 01 05 14 The check for very small stacking capacities has been tightened up such that a stacking capacity of less than 1 PCU per lane now leads to a Serious Warning 188 given that such small stacking capacities can play havoc with the converg
5. 09 14 Revisions to the internal handling of path filenames to enable SATURN to correctly access data files located on Windows Servers that have disabled short names A new function has been added to update existing batch files for earlier SATURN versions Release SATWIN11 version 1 8 19 12 14 and included in the v11 3 10E release in January 2015 A collection of updates including i upgrade to Microsoft NET4 5 1 framework ii new option to specify an alternative folder location when running the test networks ili several updates to the existing modules and their organisation iv cosmetic changes to the user interface Release E 163 SATURN MANUAL V11 3 SATURN Appendix D21 Changes in SATURN Version 11 3 SATWIN11 version 1 9 21 04 15 and included in v11 3 12 release in April 2015 D 21 12 DRACULA and PT SATURN 1 Some overdue housekeeping access to the PT SATURN product has been removed from SATURN 11 3 03 onwards Similarly DRACULA is no longer distributed by Atkins although there is still limited access to DRACULA e g under node graphics for users who independently have access to DRACULA exes D 21 13 New Licence Levels N4 and X7 1 The existing Licence Levels beyond the standard N3 level were restructured with the v11 2 release to remove the proliferation of bespoke versions for individual applications The source code has also been restructured to reduce memory requirements for these larger
6. 10 4 6 11 2 12 18 01 14 A new batch file MXDIVIDE divides one matrix by another cell by cell It is useful for example to calculate growth factors between two trip matrices See 10 20 25 11 1 12 01 01 14 SATPIJA 1 A Namelist option USEUFO allows SATPIJA to use a UFO file assuming that one has been created for the network in question either by using OBA in the first place or by SAVUFO SATUFO with Frank Wolfe in preference to a UFC file potentially resulting in very much reduced CPU times See 13 3 14 11 2 7 20 06 13 The calculations based on UFO inputs i e following either OBA or SATUFO with USEUFO T have been made faster and now include the test to exclude IJ cells from the output UFP file if there are zero trips in that cell in the trip matrix 11 2 7 03 07 13 A new Namelist parameter USESPI T allows calculations to be based on spider networks But N B not yet available for all options e g it does not work with GROUPS T Proceed with care 11 3 7 10 08 14 E 161 SATURN MANUAL V11 3 Appendix D21 Changes in SATURN Version 11 3 D 21 7 D 21 8 D 21 9 5120257 Apr 15 App D21 _SATURN SATME2 1 4 The output ME2 file has been extended so that it contains e g target flows errors etc per combined constraints but associated with each of the individual links Thus in P1X all the links within the same combined set will have the same attributes displayed which makes
7. 7 18 06 13 A new batch file P1XDUMP similar to DBDUMP will also dump selected data from a UFS file to text files but using the P1X internal codes see Appendix 1 rather than DA codes See 15 46 2 11 27 30 08 13 Two new options under Information list a the History Records 6 2 on their own and b all the must have files i e all the files such as the trip matrix file which are essential to run this network plus a list of all the INCLUDE records from the original dat file which also are essential files See 11 8 4 10 and 11 8 4 11 respectively 11 2 9 11 10 13 TfL Traffic Boroughs and or Groups per node zone may be selected as node data for display either in P1X plots or in SATDB node data bases 11 2 9 03 11 13 E 158 SATURN MANUAL V11 3 Appendix D21 Changes in SATURN Version 11 3 5120257 Apr 15 App D21 12 13 14 15 16 17 18 19 20 21 22 23 _SATURN KEY file control may be initiated from within P1X rather than via the command line Access is via the Files Menu See Section 11 4 5 11 2 10 16 11 13 2 new options in SATDB Miscellaneous Data add a link saturation flows and b number of lanes per turn with negative values to indicate bus only following the conventions used for data inputs in SATNET See Section 11 6 10 8 11 2 10 23 11 13 An option SLA in a Basket has been provided in order to undertake SLA calculations in a semi
8. SATURN MANUAL V11 3 Appendix D21 Changes in SATURN Version 11 3 D 21 D 21 1 5120257 Apr 15 App D21 _SATURN Changes in SATURN 11 3 DATE OF LAST UPDATE 22 APRIL 2015 SATURN 11 3 is the successor to all previous versions of SATURN Following the full release of SATURN 11 2 05 in March 2013 a series of largely internal releases appeared numbered from 11 2 06 up to 11 2 12 in January 2014 Version 11 3 01 effectively 11 2 13 was then released in Beta version with a full release of 11 3 03 in April 2014 Further update releases of 11 3 07 took place in October 2014 11 3 10 in January 2015 and of 11 3 12 in April 2015 As always in terms of backwards forwards compatibility the 11 3 network dat files may contain new features e g parameter names which will not be recognised by pre 11 3 versions of SATNET but will not cause the program to crash however pre 11 3 dat files will be read perfectly happily by 11 3 SATNET Similarly 11 3 network ufs files contain new arrays which older version exe s will be able to read but not recognise whereas 11 3 exe s will be able to read pre 11 3 ufs files Matrix ufm files have not fundamentally changed and should be both forward and backward compatible In terms of results there have been a limited number of minor changes to the simulation but nevertheless one might expect 11 3 12 to give different possibly significantly different results to both earlier 11 3 xx versions and
9. batch mode Basically the user selects a set of SLA s which are added to a basket and at the end of the SLA selection the full set of calculations take place at the end of which the program terminates Ideal to set up a long weekend run on Friday afternoon See Section 11 8 1 14 11 3 3 22 03 14 The maximum number of selected nodes within SLA has been effectively doubled from 9 to 19 11 3 3 22 03 14 A policy of minimising the number of to screen operations which take place while P1X is running in KEY VDU mode has been initiated on the basis that there is no real reason to e g mark selected nodes with a star on the screen if nobody is looking at it Hopefully this will reduce the number of times P1X outputs interrupt concurrently running windows 11 3 5 19 06 14 A new option 30 in the standard tables for simulation nodes lists all the link times and speeds including per user class the extra delays due to CLICKS The vehicle and PCU weighted times speeds are also printed Section 11 11 1 Release 11 3 5 27 06 14 Under node graphics editing a node may now be simulated even if it has warnings etc that have been upgraded to Fatal Errors under WRIGHT T but with a NAFFS ALERT message attached So if the program crashes you have been warned 11 3 5 08 07 14 Information on bus routes may now be restricted to certain classifications of routes e g only routes with timing points only routes with positive
10. elected thereby making their identification much easier Sections 11 8 5 and 13 8 11 2 6 26 04 13 Furthermore a selected set of combined constraints may be subject to Select Link Analysis directly the prime function of which would be to detect multiple crossings Alternatively a set of 666 combined constraints may be selected as a screen line under SLA although it is more convenient to do it under ME2 Analysis 11 2 6 28 04 13 The use of solid bars to indicate selected links which are currently centred on the link independent of which direction is selected may now be made directional i e along the direction of travel 11 2 6 27 04 13 Zones may now be nominated numerically using their sequential numbers as opposed to their name e g in selecting origins and destinations for tree building 11 2 6 06 05 13 Joy rides and analyses of timed routes Validation may now alternatively use average stop delays as calculated on a link AB rather than the turn specific delay at B See 11 7 2 1 and 11 8 2 11 2 6 11 06 13 SLA calculations based on UFC files now use double precision variables in order to avoid losing trips due to rounding errors 11 2 7 18 06 13 There is a subtle change in the output statistics for SLA link flows in that the original Demand and Actual flows now exclude any fixed flows so that they are more directly comparable to the reported SLA flows which also do not include any fixed flows 11 2
11. ence of blocking back calculations In addition the test is now based on chain stacking capacities Release 11 3 5 25 06 14 Serious Warning 165 an X turn at signals has two or more lanes allocated and the inside lane is shared with say straight ahead traffic is no longer applied if the straight ahead traffic has other further inside lanes that it may use if the shared lane is blocked by the X turners Release 11 3 5 26 06 14 E 155 SATURN MANUAL V11 3 Appendix D21 Changes in SATURN Version 11 3 D 21 2 D 21 3 5120257 Apr 15 App D21 15 16 17 18 19 _SATURN New checks have been introduced such that data which is normally read in fixed columns e g powers and capacity indices within 11111 and or 33333 link speed flow records and counts under 77777 is also read using free format which should give the same result Any differences which may be due to data in incorrect columns are flagged as either Serious Warning 189 link speed flow or 190 counts Release 11 3 6 20 07 14 A RGS file may now be input directly into SATNET in order to define updated signal stage timings parameter FILRGS as opposed to using the network edit facilities in P1X to update the settings after the network has been built by SATNET See 6 3 4 6 4 3 5 and 11 9 14 Release 11 3 11 07 02 15 FILBMP input under PARAM may now be used to define a folder where the bitmap files are located as opposed to a s
12. ghted average link times which include the effect of CLICKS on certain user classes are calculated and stored as either DA code 4008 weighted by vehicles or 4018 or weighted by PCU in output ufs files from SATALL See 15 47 4 11 2 10 11 11 13 A number of relatively minor improvements have been made to the node simulation primarily to deal with a number of funnies in the lane allocation algorithm and or flows in excess of mid link capacities Overall differences are expected to be small Release 11 3 2 17 03 14 Similarly a number of minor improvements have been made to the way in which assignment speed flow curves are calculated based on simulation data hopefully resulting in marginal improvements to the overall convergence Release 11 3 3 22 03 14 A further addition to the modelling of flares extends the principle outlined in 1 above where turning movements which share a lane with the flared movements are allocated extra capacity in an adjacent lane Now other turning movements which share that adjacent lane may also have their Capacities increased the knock on effect This is applied to both signals 11 3 6 and subsequently priority junctions 11 3 7 See Section 8 2 6 3 11 3 7 05 08 14 An error has been corrected in the calculation of total network bus hours and bus kms Previously if a link had a bus lane but certain bus routes on that link were deemed not to use the bus lane e g t
13. he route took an exit from the offside lane but the bus lane was on the nearside then those buses were excluded from the calculations The new bus hrs etc are therefore very marginally larger than the old The same correction also applies to total pcu hrs etc Release 11 3 7 23 08 14 A small adjustment in the lane choice model improves the allocation of flows to 2 or more lanes which are only used by a single turning movement Examples where this applies a are rare and b have very little overall impact on delays etc but the 11 3 8 simulation will produce marginal differences from previous versions Release 11 3 8 12 11 14 In addition to correcting a clear error with flared plus filter turns See 21 in App E 9 further minor refinements have been made to the lane choice E 157 SATURN MANUAL V11 3 Appendix D21 Changes in SATURN Version 11 3 D 21 4 5120257 Apr 15 App D21 _SATURN model in 11 3 10 the end result being that 11 3 10 gives different simulation results from previous releases 11 3 10 16 01 15 P1X and or SATDB 1 10 11 A new option has been added when adding Capacity Indices as global variables to a dat file to ensure that all data in columns 11 to 40 is blanked out so that the newly defined index will uniquely define the link speed flow curve 11 2 6 24 04 13 An added option under ME2 Analysis allows links which were included in a particular combined 666 constraint set to be s
14. he standard lists of node data 1 the maximum reduction in V C per node following signal optimisation and 2 the maximum stage length shift following optimisation 11 3 08 7 10 14 Requests to list the full data base contents link and or node to the screen may now be requested directly from the graphics menus where link and node data is added 11 3 08 7 10 14 Under Convergence 10 Worst listings the lists may be restricted to a single entry per node or per link as opposed to the current practice where entries are printed per individual turn so that say it is possible for all 10 worst entries to refer to the same simulation node 11 3 08 7 10 14 Under Convergence 10 Worst listings the data may also be stored directly as a data base column either link or node and an ordered list may be optionally displayed directly from the Convergence menu This enables the top 20 30 etc entries to be displayed 11 3 08 7 10 14 An option has been added to subtract any pre loaded flows from the Demand or Actual annotated link flows The option may be toggled on or off under the Options sub menu within Choice of Link Anno menu the default is not to subtract pre loaded flows but this may be changed via the namelist parameter INC_PL within the latest versions of p1x0 dat 11 3 09 14 12 14 Bandwidth annotation with multiple data entries now correctly follows curved GIS links 11 3 12 02 04 15 An internal matrix within MX may be designated
15. ined within SATLOOK See 11 11 4 and 15 59 Release 11 2 09 12 10 13 An option has been added under main menu option 4 to allow statistics for all different types of flows to be printed in a single pass and also therefore output to a CSV file in a single pass 11 2 12 12 02 14 Bus summary statistics main option 6 now automatically create a CSV file with one row per route containing all relevant statistics such as travel times distances etc 11 3 07 8 9 14 New SPIDER Network Applications SATCH 1 New Namelist variables USESPI and USEUFO have been added in SATCH in order to more easily turn on or off the use of SPIDER networks and or UFO in preference to UFC See 12 1 1 3 11 2 11 18 12 13 E 162 SATURN MANUAL V11 3 Appendix D21 Changes in SATURN Version 11 3 _SATURN D 21 10 General Changes D 21 11 5120257 Apr 15 App D21 1 The rules for using 99999 to terminate data inputs have been tightened up for certain input files for example the input to MXM5 as described in Appendix W so that truncated 99999 records such as a single 9 followed by two or more blanks no longer are interpreted as an end of data set record This means that defining zones or nodes with numbers such as 9 99 etc will no longer be misinterpreted as end of data sets N B These changes do not apply at all to SATNET inputs 11 2 08 15 09 13 For all interactive programs such as P1X MX etc a listing of the LOG fi
16. ired See 9 12 1 1 Release 11 3 3 01 03 14 Simulation 1 Further revisions to the modelling of flares have been made in particular to deal with the situation where the straight ahead traffic that shares with the flared turn can use two or more lanes such that traffic from the non flared lane can move over into the flared lane to take advantage of the space available in the flared lane which is not being fully utilised See section 8 2 6 3 11 2 8 01 10 13 E 156 SATURN MANUAL V11 3 Appendix D21 Changes in SATURN Version 11 3 5120257 Apr 15 App D21 2 10 _SATURN New rules have been introduced to deal with situations where a link with an explicit capacity limit i e from a speed flow curve has an arrival flow exceeding its capacity such that all the exit turns are aggregated into a single river see 8 8 2 Thus for example random delays per turn are calculated for the river link as a whole rather than individually However if the lanes are already shared then the new rules do not apply In practice this will only apply to considerably fewer than one link per thousand 11 2 9 03 11 13 Output simulation summary statistics as output by either P1X or SATLOOK may now be disaggregated either by traffic borough using TfL conventions or by explicitly defined node groups defined by a N2G file FILN2G in dat files See 5 1 7 11 11 4 and 15 59 11 2 9 03 11 13 Flow wei
17. it easier to identify combined sets See Section 13 8 11 2 6 22 04 13 Matrix estimation may now be undertaken based on aggregates of zones e g sectors traffic boroughs etc rather than individual zones involving changes to both SATPIJA and SATME2 See Section 13 5 11 2 12 03 02 14 The LPM file now gives a complete list at the bottom of all the Warnings etc encountered during the run and the number of times each has occurred In addition all errors have been assigned numbers 11 3 5 09 07 14 Two extra output tables 12c and 12d have been added to do a basic Statistical comparisons of the trip matrix trip ends input and output as required in part for standard DfT TAG Unit M3 1 previously Unit 3 19 Table 5 statistics 11 3 6 28 07 14 In addition a full summary table of those statistics required by DfT TAG Unit M3 1 Table 5 has been included 11 3 6 28 07 14 SATLOOK Skimming batch files 1 A new batch file SKIMDA has been created in order to do a forest skim on any DA code as opposed to say SKIMDIST which operates using a specific DA code See 15 27 7 11 2 08 29 09 13 Network summary statistics which previously could be output disaggregated by link capacity indices may now also be disaggregated either by traffic boroughs defined by TfL zonal name definitions or more generally into groups as defined by an input file FILN2G as set in the original network dat file or interactively def
18. le is given at the bottom of the LP file useful for recreating the run without necessarily still having a copy of the actual LOG file See 14 5 1 Release 11 2 11 13 12 13 SATWIN 1 A new SATWIN graphical user interface GUI was developed for the 11 2 release using Microsoft WPF to replace the existing SATWIN version after a decade of good service The new SATWIN updates the existing workflows and enables model specific set up and operations and to be saved and re loaded See section 3 In August 2013 SATWIN11 Service Pack 1 v11 6 01 Beta was released providing An improved quick start screen providing access to your most recent Model Complex files in a single click as well as a prompt to save prior to exit Restructuring of the groups of SATURN modules and new icons Major updates to SATWIN command line calls to provide full integration with the existing SATURN batch files and Increased stability and resilience A restructuring of the ribbon groupings and program icons undertaken to improve the model workflow SATWIN11 Version 1 6 02 Release 11 3 03 28 03 14 A new web based help version of the User Manual created from the existing documentation to make it more accessible and easier to undertake searches and navigation Available in Beta form SATWIN11 Version 1 6 02 Release 11 3 03 28 03 14 A number of minor bug fixes undertaken following user feedback SATWIN11 Version 1 6 03 Release 11 3 07 19
19. nd 10 16 5 11 2 6 11 06 13 Batch files to automatically carry out new options 3 4 and 5 above have also been created MXZ2G MXZTB and MXG2Z See 10 20 22 23 24 11 2 11 16 12 13 The structure of UFM files has been enhanced such that a matrix which has been compressed from zone to zone to group to group remembers the original zone definitions and the correspondence between zones and groups such that the original zonal matrix can be automatically opened and or re created without direct user intervention 11 2 12 05 01 14 The order of the options under main menu item 14 create an output UFM file has been rationalised such that the option to use an M5 control file is now number 3 not 5 This may therefore affect any user set key files which use the M5 option such that an entry 5 must be changed to 3 In case of queries please contact DVV and or Atkins 11 2 12 05 01 14 A reboot option allows the original command line to be re processed if the zonal structure has been transformed in some way The idea is that if you input a zonal matrix and then compress it to a group matrix see points 8 and 9 above in order to view the matrix in terms of group to group you may return to the original zone to zone version This therefore gets around a feature of MX whereby you cannot store a zonal matrix and a group matrix in internal memory at the same time but this way you can swap between them See
20. ords contained in the network history file has been increased from 20 to 101 11 02 09 14 10 13 E 154 SATURN MANUAL V11 3 Appendix D21 Changes in SATURN Version 11 3 5120257 Apr 15 App D21 5 10 11 12 13 14 SATURN Certain error messages related to links not nodes e g warning 42 for counted links which are bridged by centroid connectors are now associated with the nodes at either end of the link 11 2 09 01 10 13 Free flow and capacity times as input on simulation link speed flow records may now be input as pure delays which are to be added to the normal link cruise times as opposed to inputting total travel times as previously See 6 4 12 2 11 2 10 24 11 13 New advice has been provided on how to model mid link pedestrian junctions as simulation nodes or preferably as part of link capacity restraint curves See 6 4 3 6 and 6 4 12 3 11 2 10 24 11 13 A new logical Namelist parameter BYCAPI has been added to control the calculation of disaggregate summary statistics Thus in order for statistics by capacity index to be calculated by SATALL SATSIM BYCAPI must be T and the alternative BYGRUP F In previous releases BYCAPI was in effect T See 15 59 2 11 2 12 01 02 14 In order to conform with DfT recommendations the default values for parameters controlling the convergence of the simulation assignment loops have been changed so that a KONSTP 5 both flow and GAP criteria
21. pecific file See 11 3 6 Release 11 3 11 01 03 15 The available data to store the equivalent network links per each spider link has been increased such that it is unlikely to cause the Spider aggregation of nodes to terminate prematurely In practical terms this means that CPU run times under SPIDER have been improved 11 3 12 02 04 15 The default value of MAXSPA the maximum number of arms under which a node may be aggregated under SPIDER has been reduced from 30 a silly value which has always been the default to 15 Which as with 18 should also improve run times with SPIDER See 15 56 3 11 3 12 02 04 15 SATALL 1 The algorithms used to calculate UFO files from Frank Wolfe UFC files have been substantially improved in release 11 2 05 both in terms of their accuracy but also in terms of the required CPU time In particular a multi core element has been introduced and enabled when MULTIC T and which effectively renders SATUFO_MC redundant See 15 53 In addition further significant improvements have been introduced in version 11 2 7 18 06 13 and subsequently incorporated into version 11 2 05U as well 2 Continuation runs of SATALL e g SATALL net MASL 1 will not now automatically create UFC files by running an extra SAVEIT assignment unless the parameter SAVEIT is explicitly entered on the command line e g SATALL net MASL 1 SAVEIT The reason is to avoid wasting extra CPU time when it may not actually be requ
22. pre 11 3 Our advice therefore would be to re run old networks from scratch and certainly i not to do comparisons between 11 3 outputs and pre 11 3 outputs and ii check the differences between 11 3 12 outputs and those from earlier 11 3 xx releases The following sections describe the changes made in SATURN 11 3 and or in the later versions of 11 2 Each note should give the precise release number in which the change was introduced e g 11 3 2 the date and references to relevant sections in the Manual SATNET and Network Definitions 1 The rules for NOXYC T have been relaxed such that if zones are identified within 55555 co ordinate data records by their numerical range only i e a C is not used in column 1 to designate a zone then if a number in the correct range lt MAXZN cannot be identified as a zone it is tested as a node number 11 2 6 18 05 13 2 An extra set of dummy links have been included at external simulation nodes with two or more connections to internal simulation nodes in order to allow all possible turns to from internal simulation nodes In particular this has important implications for the way in which UFC route flows are converted into UFO flows and in general reduces the differences between the two sets of alternative link flows See 18 9 3 11 2 6 11 06 2013 3 The maximum number of count sets under 77777 increased to 405 from 120 11 2 8 15 09 13 4 The maximum number of rec
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