VISSIM 5.30-05 User Manual

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7 Simulation of Pedestrians ► tau (τ) Tau is the relaxation time, which one can relate to a reaction time or inertia, as it couples the difference between the desired speed and direction v_0 and the current speed and direction v to the acceleration a: a = (v_0 – v) / τ. In the folder ..EXAMPLES\TRAINING\PEDESTRIANS\PARAMETER DEMONSTRATION you can find training example models specifically demonstrating the effect of this parameter. ► lambda_mean (λ_mean) Lambda governs the amount of anisotropy of the forces from the fact that events and phenomena in the back of a pedestrian do not influence him (psychologically and socially) as much as if they were in his sight. From lambda and the angle φ between the current direction of an agent and the source of a force a factor w for all social (i.e. non-physical) forces is calculated that suppresses the force, if φ ≠ 0 and λ < 1: w(λ) = ( λ + ( 1 – λ ) ( 1 + cos(φ) ) / 2 ). So, if φ = 0 one has w = 1 and if φ = π one has w(λ) = λ. In the folder ..\EXAMPLES\TRAINING\PEDESTRIANS\PARAMETER DEMONSTRATION you can find training example models specifically demonstrating the effect of this parameter. ► A_soc_isotropic and B_soc_isotropic These two parameters together with λ govern one of two forces between pedestrians: F = A_soc_isotropic w(λ) exp(-d/B_soc_isotropic) n, with d as distance between the pedestrians (body surface to body surface) and n as unit vector pointing from one to the other. ► A_soc_mean, B_soc_mean, and VD These parameters determine strength (A) and range (B) of the social force between two pedestrians. The social force between two pedestrians is calculated as F = w(λ) A exp(-d/B) n, if the influencing is in front (180°) of the influenced pedestrian, else it is zero. Here w(λ) is the factor calculated from λ, which is explained above, d is the distance (body surface to body surface) between two pedestrians and n is the unity vector pointing from the influencing to the influenced pedestrian. Note that if the parameter VD is greater than zero the relative velocities of the pedestrians are considered in addition. In this case the distance d is generalized to and thus replaced by d -> 0.5 sqrt( (d + |(d – (v_1 – v_0) |VD)² - |(v_1 – v_0) VD|²) with VD given in [seconds]. Here v_0 is the velocity of the influenced and v_1 the velocity of the influencing pedestrian and d points from the influencing to the influenced pedestrian with |d| = d. (The “influenced pedestrian” is the one for whom the force is calculated.) In the folder ..\EXAMPLES\TRAINING\PEDESTRIANS\PARAMETER DEMONSTRATION you can find training example models specifically demonstrating the effect of parameter VD. 430 VISSIM 5.30-05 © PTV AG 2011
Parameters of the Social Force Model in VISSIM ► noise The greater this parameter value, the stronger is the random force that is added to the systematically calculated forces if a pedestrian remains below his desired speed for a certain time. Check this effect like this: Let a group of pedestrians pass a bottleneck of about 70 cm. With noise=0, so-called "arches" will form and stay stable. If the noise value is in the range of [0.8..1.4] then one pedestrian will step back after a while and another other one will pass. ► react_to_n Only the influences of the n closest pedestrians are considered when the total force is calculated for a pedestrian. In the folder ..\EXAMPLES\TRAINING\PEDESTRIANS\PARAMETER DEMONSTRATION you can find training example models specifically demonstrating the effect of this parameter. ► queue_order and queue_straightness These two parameters control the shapes of queues. Use values between 0.0 and 1.0. Generally speaking, the greater the parameter values the more orderly the queue will be. ► side_preference This parameter determines whether opposing flows of pedestrians prefer either the right side or the left side for passing each other. Enter -1 for right-side preference or 1 for left-side preference. For uncontrolled behavior as hitherto, enter 0. In the folder ..\EXAMPLES\TRAINING\PEDESTRIANS\PARAMETER DEMONSTRATION you can find training example models specifically demonstrating the effect of this parameter. 7.6.2 Implementation-specific Global Parameters In contrast to the parameters above which are to be set by pedestrian type, the following parameters take a global effect, i.e. they are not type-specific. In case of various behavior parameter files VISSIM will use the parameter values set in the parameter file for the pedestrian type with the smallest number. ► grid_size By this parameter one defines how far at largest pedestrians influence each other. The pedestrians are stored in a grid with cells of size grid_size x grid_size square meters. Each pedestrian only interacts with the pedestrians in the same or adjacent (including over corner) grid cells. User Manual © PTV AG 2011 431
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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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Page 451 and 452: ● Comment: Text to identify the s
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Page 455 and 456: Properties & Options Simulation of
Page 457 and 458: Test of Signal Control without Traf
Page 463 and 464: 8.2.3.2 Green Time Statistics (*.AG
Page 465 and 466: 9 Presentation For presentiations,
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Page 469 and 470: 9.2 Recording 3D Video files Record
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Page 473 and 474: Recording 3D Video files All change
Page 475 and 476: 10 Output of Results VISSIM offers
Page 477 and 478: Evaluation type Analyzer database S
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Enabling Evaluations The filenames
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MS Access can only be applied to th
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► Travel Times (raw data): cf. se
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Example Runtime Messages steps perf
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[ACTIONS] Runtime Messages ● STAR
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[VERSIONS] Runtime Messages In cert
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Runtime Messages For some errors, a
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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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