TraCI/Change GUI State

Command 0xcc: Change GUI State

ubyte string ubyte <value_type>
Variable View ID Type of the value New Value

Changes the simulation visualization. Because it is possible to change different values, the number of parameter to supply and their types differ between commands. The following values can be changed, the parameter(s) which must be given are also shown in the table.

Overview Changeable GUI Variables
Variable ValueType Description
zoom (0xa0) double Sets the current zoom level in %
offset (0xa1) 2D-position (double, double) Moves the center of the visible network to the given position
schema (0xa2) string Sets the visualization scheme (e.g. "standard")
boundary (0xa3) 2D-position (double, double) Moves the center of the visible network to the given position
screenshot (0xa5) filename (string) Save a screenshot to the given file
track vehicle (0xa6) vehicle ID (string) tracks the given vehicle in the GUI


The message contents are as following:

zoom (0xa0)

ubyte double
value type double New zoom level

offset (0xa1)

ubyte double double
value type position2D x-coordinate y-ccordinate

schema (0xa2)

ubyte string
value type string New schema

boundary (0xa3)

ubyte ubyte double double double double
value type polygon 2 x-coordinate lower left y-ccordinate lower left x-coordinate upper right y-coordinate upper right


screenshot (0xa5)

ubyte string
value type string Screenshot filename

track vehicle (0xa6)

ubyte string
value type string id of the vehicle

This page was last modified on 13 July 2011, at 14:05.