Saving lane change data to a file
You can record the time and place of the lane change that was made. You can restrict the evaluation to vehicle classes and individual vehicles.
You can save the following data and data formats:
Output |
ASCII file |
MDB table |
Attribute file from attribute list |
---|---|---|---|
Aggregated data |
- |
- |
- |
Raw data |
*.spw |
- |
- |
|
Note: This evaluation always uses metric units. |
1. From the Evaluation menu, choose > Configuration > Direct Output tab.
2. In the Lane changes row select the option Write to file.
3. You can change the time if you wish (Using the Direct output function to save evaluation results to files).
4. Click the More button.
The Lane changes window opens.
5. Make the desired changes:
Element | Description |
---|---|
Filters |
|
6. Confirm with OK.
7. Start the simulation (Running a simulation).
A *.spw file is saved.
Result of lane change evaluation
The lane change file *.spw contains the following data:
Element |
Description |
---|---|
File title |
Name of evaluation |
File |
Path and name of network file |
Comment |
Optional comment from the simulation parameters |
Date |
Time of evaluation |
PTV Vissim |
Version number, service pack number, build number |
Data |
Data block with the attributes for each recorded vehicle |
The data block of the evaluation file contains the following parameters:
Column | Description |
---|---|
t |
Starting time of lane change. t is the end of the time step in which the lane change starts. If you simulate with only one time step per simulation second, the lane change is already running for a second at this time. |
VehNr |
Vehicle number |
v [m/s] |
Speed [m/s] |
Link No. |
Link number |
Lane |
Number of the old lane |
New Lane |
Number of the new lane |
VF |
Vehicle number of old leading vehicle (0 = not available) |
v VF |
Speed [m/s] of old leading vehicle |
dv VF |
Speed difference [m/s] of old leading vehicle |
dx VF |
old leading vehicle: distance [m] between rear end position of the preceding vehicle and front end of the trailing vehicle |
VB |
Vehicle number of old trailing vehicle (0 = not available) |
v VB |
Speed [m/s] of old trailing vehicle |
dv VB |
Speed difference [m/s] of old trailing vehicle |
dx VB |
old trailing vehicle: distance [m] between rear end position of the preceding vehicle and front end of the trailing vehicle |
new VF |
Vehicle number of new leading vehicle (0 = not available) |
v new VF |
Speed [m/s] of leading vehicle |
dv new VF |
Speed difference [m/s] of new leading vehicle |
dx new VF |
new leading vehicle: distance [m] between rear end position of the preceding vehicle and front end of the trailing vehicle |
new VB |
Vehicle number of new trailing vehicle (0 = not available) |
v new VB |
Speed [m/s] of new trailing vehicle |
dv new VB |
Speed difference [m/s] of new trailing vehicle |
dx new VB |
new trailing vehicle: distance [m] between rear end position of the preceding vehicle and front end of the trailing vehicle |
Example of evaluation of lane change file *.spw
Lane changes record
File: C:\Users\Public\Documents\PTV Vision\PTV Vissim 2024\Examples Demo\3D - Complex Intersection Karlsruhe.DE\Karlsruhe 3D.inpx
Comment: Example, SC 3-10
Date: 03.01.2024 12:23:33
PTV Vissim 2024.00-00* [253691]
t; VehNo; v [m/s]; Link No.; Lane; New Lane; VM; v VF [m/s];
dv VF [m/s]; dx VF [m]; VB; v VB; dv VB [m/s]; dx VB; new VF; v new VF;
dv new VF; dx new VF; new VB; v new VB; dv new VB; dx new VB 115.10; 203; 9.55; 7; 2; 1; 175; 0.00;
9.55; 164.28; 0; -1.00; -1.00; -1.00; 198; 12.43;
-2.89; 22.37; 0; -1.00; -1.00; -1.00;
128.50; 39; 13.30; 9; 3; 2; 48; 12.77;
0.53; 11.31; 0; -1.00; -1.00; -1.00; 10; 12.66;
0.64; 9.11; 98; 9.19; 4.10; 0.58;
130.70; 40; 13.56; 9; 3; 2; 48; 13.11;
0.45; 34.45; 47; 13.02; 0.54; 13.28; 98; 11.51;
2.05; 6.39; 57; 9.53; 4.03; 0.58;
136.50; 180; 12.04; 9; 2; 1; 68; 10.39;
1.65; 34.99; 0; -1.00; -1.00; -1.00; 102; 12.56;
-0.52; 31.48; 105; 15.16; -3.13; 26.58; 141.80; 88; 12.00; 9; 3; 2; 66; 12.20;
-0.19; 18.24; 0; -1.00; -1.00; -1.00; 58; 10.29;
1.71; 8.42; 115; 12.52; -0.52; 17.11; 144.20; 115; 11.25; 9; 2; 1; 88; 9.80;
1.46; 15.14; 134; 12.27; -1.02; 2.95; 117; 10.61;
0.64; 25.67; 140; 14.61; -3.36; 105.09; 144.70; 134; 11.73; 9; 2; 1; 115; 11.06;
0.66; 2.51; 0; -1.00; -1.00; -1.00; 117; 10.20;
1.53; 31.93; 140; 14.53; -2.80; 96.74; 152.20; 272; 8.64; 7; 1; 2; 203; 0.00;
8.64; 156.60; 0; -1.00; -1.00; -1.00; 265; 12.84;
-4.19; 41.51; 0; -1.00; -1.00; -1.00; 164.90; 293; 8.70; 7; 1; 2; 203; 0.00;
8.70; 156.69; 0; -1.00; -1.00; -1.00; 272; 7.72;
0.99; 131.91; 0; -1.00; -1.00; -1.00; 174.80; 293; 11.48; 7; 2; 1; 272; 0.00;
11.48; 28.49; 0; -1.00; -1.00; -1.00; 203; 0.00;
11.48; 39.70; 296; 12.99; -1.51; 17.72; 215.20; 183; 10.61; 9; 3; 2; 194; 13.61;
-2.99; 21.95; 0; -1.00; -1.00; -1.00; 204; 12.34;
-1.73; 0.64; 165; 10.61; 0.00; 9.79; …
Superordinate topic:
Configuring evaluations for direct output
Information on editing:
Using the Direct output function to save evaluation results to files