VISSIM 5.30-05 User Manual

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8 Simulation and Test The larger the time intervals between the communications between the operational and the supervising level the more the simulation on the operational level can develop into a wrong direction. For the simulation of vehicles one can typically allow for a bit larger time steps than for the simulation of pedestrians as for pedestrians in their two spatial dimensions there are more possibilities (degrees of freedom) to run astray. The possibility to choose 1 simulation step per second therefore can be fine for a vehicles-only simulation. It can also be fine during the building process of a model including pedestrians, but once problems occur and for the evaluation and measurement 5 or 10 simulation steps per second should be set if pedestrians are included in the model. The interaction between vehicles is subject to changes when changing the time steps value and thus the simulation results can be different. Thus we strongly recommend not to change this parameter during a simulation run or even during a running project. The simulation resolution also controls the playback speed of *.AVI files recorded with VISSIM. Please take note of this dependency when choosing the simulation resolution for a new project. If pedestrians are included in the simulation, the Simulation Resolution value is not subject to changes during the simulation run. ● Random Seed: This parameter initializes the random number generator. Simulation runs with identical input files and random seeds generate identical results. Using a different random seed changes the profile of the traffic arriving and therefore results may also change. In this way, the stochastic variation of input flow arrival times can be simulated. For meaningful results it is recommended to determine the arithmetic mean based on the results of multiple simulation runs with different random seed settings. When using multiple simulation runs with different random seeds, the option Generate exact number of vehicles is to be switched on for all input flows in the network. Instead of running multiple simulation runs with different random seeds, a multirun simulation can be started via SIMULATION - MULTIRUN, cf. section 8.1.3. ● Simulation Speed: The number of simulation seconds to a real time second. If maximum is selected, the simulation will run as fast as possible. The change of the Simulation Speed does not affect the results of the simulation and can therefore be done at any time during the simulation. Note: The achieved actual simulation speed depends on the size of the network to be simulated and the computer hardware used. 452 VISSIM 5.30-05 © PTV AG 2011
Simulation of Vehicles and Pedestrians ● Break at: After reaching the time entered here, VISSIM automatically switches into the Single Step mode. This option can be used to view traffic conditions at a certain time during the simulation without having to watch the simulation all the time before. ● Number of cores: Select the number of processor cores to be used during simulation. The maximum number depends on the hardware of the computer where VISSIM is run. The selected value is kept for the next simulation start. The default value is 1. The number of cores is stored in the *.INP file. During a simulation, this parameter is not subject to changes. The simulation of pedestrians will always use all of the cores specified here, even if models with only a single level are simulated. 8.1.2 Saving the Simulation State (*.SNP) A snapshot file (*.SNP) is used to save and restore the current simulation state. Thus it is possible to run a certain portion of the simulation (e.g. warmup period), save the simulation state and restore it, e.g. in order to look at different signalization options from there. The snapshot file contains the following data at the current simulation time: ► all vehicles located on links/connectors and in parking lots including their current interaction state (public transport vehicles included) ► all passengers in PT vehicles and at PT stops ► the states of priority rules ► the state of all fixed-time and VAP controllers It does not store the following: ► the state of any other external signal controllers ► cost and path information from Dynamic assignment ► the state of route guidance systems ► any network data ► display settings ► evaluation data It is not possible to use the snapshot functionality in the following cases: ► with external signal contollers other than VAP ► during a Dynamic Assignment (when the cost and/or path file is updated) ► where evaluation files started before the snapshot file begins A snapshot file can only be loaded with the VISSIM version that was used to save the *.SNP file. User Manual © PTV AG 2011 453
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VISSIM 5.30-05 User Manual
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Copyright © 2011 PTV Planung Trans
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Table of Contents Important Notice
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Table of Contents 4.3.4.3 Propertie
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Table of Contents 6.4.4.3 Editing 2
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Table of Contents 7.1.4.2 The Windo
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Table of Contents 10.1.2 Output to
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Table of Contents 12.7.6 Route Guid
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Important Notice to Users of Previo
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1 Introduction VISSIM is a microsco
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1.2 The Traffic Simulation Model Th
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The Traffic Simulation Model the te
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2 Program Installation 2.1 System R
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2 Program Installation 2.2 Installa
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2 Program Installation 2.4 The Dist
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3 Program Handling 3.1 The VISSIM D
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3 Program Handling editing (Pedestr
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3 Program Handling SIGNAL CONTROL V
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3 Program Handling License Shows de
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3 Program Handling SELECTION Define
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3 Program Handling PEDESTRIAN MODE
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3 Program Handling 3.1.4 The VISSIM
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3 Program Handling 3.2.2.1 Default
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3 Program Handling 5. Choose the de
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3 Program Handling 3.3.2 Multi-Sele
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3 Program Handling 3.3.3 Label Mode
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3 Program Handling increase by this
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3 Program Handling 3.5.2 Python as
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3 Program Handling def ControlBarri
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3 Program Handling Page Setup Optio
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3 Program Handling 3.7 Decimal Sepa
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4 View Settings 4.1 Display Options
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4 View Settings 4.1.3 Colors model
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4 View Settings These attributes ar
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4 View Settings Traffic Signals ●
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4 View Settings [MAST] Signal mast
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4 View Settings 4.1.5 Language & Un
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4 View Settings Here for each netwo
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4 View Settings 4.2.2.3 User-Defina
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4 View Settings 4.2.3.2 Examples: A
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4 View Settings Pan: Pressing left-
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4 View Settings 4.3.3 3D Animation
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4 View Settings 4. Confirm with OK.
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4 View Settings Mast Double click o
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4 View Settings Signal Head On Mast
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4 View Settings Sign On Mast In the
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4 View Settings Move Tilt 96 VISSIM
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4 View Settings 4.3.6 Fog/Haze Mous
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4 View Settings 4.4 Background Imag
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4 View Settings The size of an imag
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4 View Settings 4.5 Save/Load Setti
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5 Base Data for Simulation 5.1 Acce
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5 Base Data for Simulation step len
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5 Base Data for Simulation 5.2 Dist
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5 Base Data for Simulation 5.2.4 Co
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5 Base Data for Simulation Zugfahrz
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5 Base Data for Simulation 5.2.5.2
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5 Base Data for Simulation Element
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5 Base Data for Simulation If a typ
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5 Base Data for Simulation ● Rear
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5 Base Data for Simulation [STATIC]
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5 Base Data for Simulation [EXTERNA
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5 Base Data for Simulation 5.4 Driv
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5 Base Data for Simulation Because
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5 Base Data for Simulation which is
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5 Base Data for Simulation Lane Cha
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5 Base Data for Simulation Other Pa
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5 Base Data for Simulation 5.4.4 La
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5 Base Data for Simulation Paramete
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5 Base Data for Simulation The vehi
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5 Base Data for Simulation ► spee
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5 Base Data for Simulation veh / h
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5 Base Data for Simulation ● No.:
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5 Base Data for Simulation CON- FIG
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5 Base Data for Simulation 5.6 Mana
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5 Base Data for Simulation ► If t
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5 Base Data for Simulation Travel t
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6 The Traffic Network In this chapt
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Overview - Instead of clicking DATA
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6.2 Data Import/Export Data Import/
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Data Import/Export ● Network Elem
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Data Import/Export The adaptive SYN
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Data Import/Export Specify the path
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VISUM VISSIM Blocked Turn for TSys
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6.2.1.5 Adaptive ANM Import Data Im
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6.2.2 Data Export Data Import/Expor
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A warning will appear if the VISSIM
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Data Import/Export 2. In the Open n
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VISUM network object Notes Connecto
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6.2.2.4 FILE - EXPORT - 3DS MAX Dat
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Network Coding A link cannot have m
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Network Coding The lane width is re
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Network Coding ● Visualization:
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Split 1. Select link. 2. Choose EDI
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6.3.2 Connectors Network Coding In
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[LANE CHANGE] Network Coding ● Wi
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[DYNAMIC ASSIGNMENT] (optional modu
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Edit data Network Coding Single-sel
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6.3.3 Desired Speed Changes Network
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Network Coding ● No.: Unique iden
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5. Confirm OK. Network Coding Prope
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Definition Network Coding 1. To ins
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The list can be edited via NEW, EDI
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6.4.3.1 Creating & Editing Define n
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Scale Volume Copy & Paste data Dele
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Automobile Traffic - a period of co
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1. Select the link/connector for th
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Tabs (Types) Automobile Traffic The
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Selection in the Routes window Dele
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Combine static routes Automobile Tr
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Automobile Traffic User Manual © P
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Automobile Traffic No vehicles will
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Automobile Traffic [CLOSURES] This
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Click on the filter icon in the col
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Automobile Traffic will disregard a
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Automobile Traffic Placing a routin
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Automobile Traffic space is determi
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[PARKING SPACES] [SELECTION PARAMET
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Automobile Traffic 2. Select a link
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Automobile Traffic turning movement
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Public Transport It is possible to
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Public Transport Relative flow volu
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Public Transport If there is no con
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6.5.2.3 Editing Accessing the PT li
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● Minimum: Public Transport If t
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Public Transport ● Skipping poss
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Public Transport 6. If a departure
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Non-Signalized Intersections respon
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6.6.1.2 Creating Non-Signalized Int
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6.6.1.4 Editing - Stop only if: Ac
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1. Place the stop line on the stop
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Example 3 - Step 1 1 t = 0 s x = 5
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Example 3 - Step 3 8 t = 0 s x = 5
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Non-Signalized Intersections Driver
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Non-Signalized Intersections A vehi
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● Safety distance factor: (only f
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Set data by vehicle class Disable a
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[RTOR] (= right turn on red) ● O
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Merging section in Normal display M
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Signal Controllers A signal head is
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6.7.1.3 Editing 1. Select the Signa
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[ACTIVATION] ● Vehicle Classes: T
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6.7.2.4 Editing Signal Controllers
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[SIGTIMTBL. CFG] [SC/DET. REC] Sign
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Signal Controllers Some of the gene
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Signal Controllers Users of the Ext
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Properties & Options Signal Control
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Signal Controllers ► Start the au
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The Menus FILE General data file ma
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Signal Controllers Export parameter
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Signal state sequence State Green F
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Signal Controllers In the editing v
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Signal Controllers Marking a cell i
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Signal Controllers ● Pseudo stage
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6.7.4.5 Editing Stage Sequences (VI
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Signal Controllers Double-click a s
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Signal Controllers The list called
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A second green time can only be def
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Stretch or compress a signal progra
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Zoom in the signal program display
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Signal Controllers - CLASSICAL - 3D
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Signal Controllers By means of dail
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6.7.4.9 Detecting Inconsistent Plan
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Signal Controllers diverging stages
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3. Click the EXPORT command in the
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Signal Controllers The Excel file i
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Signal Controllers SIGNAL_HEAD 912
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7 Simulation of Pedestrians For pra
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7 Simulation of Pedestrians If the
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7 Simulation of Pedestrians 3D Mode
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7 Simulation of Pedestrians 7.1.4.1
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7 Simulation of Pedestrians The pro
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7 Simulation of Pedestrians ● Beh
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7 Simulation of Pedestrians [IN- ST
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7 Simulation of Pedestrians Select
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7 Simulation of Pedestrians In orde
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7 Simulation of Pedestrians Signal-
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7 Simulation of Pedestrians Case 2:
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7 Simulation of Pedestrians 7.1.6 P
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7 Simulation of Pedestrians Define
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7 Simulation of Pedestrians All cha
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7 Simulation of Pedestrians Pedestr
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7 Simulation of Pedestrians Method
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7 Simulation of Pedestrians pedestr
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7 Simulation of Pedestrians In fact
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7 Simulation of Pedestrians 6. Furt
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7 Simulation of Pedestrians Static
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7 Simulation of Pedestrians List of
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7 Simulation of Pedestrians All rou
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7 Simulation of Pedestrians number
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7 Simulation of Pedestrians In this
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7 Simulation of Pedestrians Display
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7 Simulation of Pedestrians The par
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7 Simulation of Pedestrians Add par
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7 Simulation of Pedestrians 7.2 Eva
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7 Simulation of Pedestrians Results
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Page 457 and 458: Test of Signal Control without Traf
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Page 469 and 470: 9.2 Recording 3D Video files Record
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Page 475 and 476: 10 Output of Results VISSIM offers
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11 Evaluation Types for Simulations
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12 Dynamic Assignment 12.1 Introduc
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12 Dynamic Assignment Example: If w
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12 Dynamic Assignment 12.3 Building
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12 Dynamic Assignment [DYNAMIC ASSI
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12 Dynamic Assignment Right clickin
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12 Dynamic Assignment You may conve
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12 Dynamic Assignment Multi Selecti
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12 Dynamic Assignment Edit data Con
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12 Dynamic Assignment Manual adjust
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12 Dynamic Assignment Edge attribut
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12 Dynamic Assignment 1. To open th
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12 Dynamic Assignment The buttons s
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12 Dynamic Assignment Matrix file f
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12 Dynamic Assignment ► With data
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12 Dynamic Assignment 12.5 Simulate
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12 Dynamic Assignment TO n, κ i =
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12 Dynamic Assignment 12.6 Route Se
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12 Dynamic Assignment Again the sen
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12 Dynamic Assignment ALTERNATIVE P
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12 Dynamic Assignment 12.7 Optional
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12 Dynamic Assignment average of th
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12 Dynamic Assignment However, the
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12 Dynamic Assignment Other than dy
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12 Dynamic Assignment 2. Increase t
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12 Dynamic Assignment in VISSIM can
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12 Dynamic Assignment ● Search p
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12 Dynamic Assignment - The identif
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12 Dynamic Assignment ● Archive
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12 Dynamic Assignment 12.9 Initial
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12 Dynamic Assignment For more deta
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12 Dynamic Assignment 3. Select opt
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13 VISSIM Programming Interfaces (A
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14 Glossary of Files associated wit
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15 Service & Support 15.1 Online He
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15 Service & Support [SEARCH] Full-
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15 Service & Support - one of the h
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15 Service & Support 15.3 Contact I
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15 Service & Support 15.4 Services
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