Hi Andrea
for me the tests in SUMO are pretty helpful. If you downloaded the
complete SUMO you can issue under Linux a command like
find tests -name '*.xml' -print0|xargs -0 grep -l connection.*link|grep
-v net.xml
This prints the names of all xml files containing connection and link
and not ending with net.xml
You find for example this test
tests/netconvert/function/tls_extended_attributes/
See also https://sumo.dlr.de/docs/Tools/Misc.html#extracttestpy for
extracting a test
You can specify the linkIndex in a tll.xml file, which can be passed to
nextconvert via *--tllogic-files*
As far as I understood link indices, every connection in a node must
have a unique linkIndex.
So if two connection are controlled by one traffic light, you have to
give the appropriate letter twice in the phase definition.
Best regards, Harald
Am 03.08.22 um 19:57 schrieb Andrea Castegnaro:
Hi sumo community,
We are building a 3d visualizer that can create road networks and
export them to sumo using netconvert with the plain xml files.
We are trying to insert traffic lights at desired junctions. At the
moment we are using the automatic generation using netconvert with the
“*--tls.group-signals*” option by marking the type of the junction.
However is it possible to still have the netconvert automatic
generation but for each junction specify which lane connection is
associated with which character in phase state string?
I have read previously that “linkindex” property might be helpful for
this, but I have the following questions:
1. In which file to I need to specify this parameter?
2. Let s say for a given lane I have side turns and going straight
but I want to use only 1 signal for all of these possibility
(basically instructing the group signal). Do I need just to assign
the same linkindex to all of the connections from the given lane?
3. Is there any example of the plain xml file with the traffic light
information that should be given to netconvert to help the program
generation?
I would really appreciate any help,
Best regards,
Andrea
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