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Re: [sumo-user] How do I get the time duration of green traffic light on a particular edge via traci4matlab?
First you need to determine the traffic-light index which corresponds to that edge (or rather to the lane-to-lane connections from that edge because each connection has it's own index).
This is done by calling the function trafficlights.getControlledLinks.

Then you can retrieve the state with getgetRedYellowGreenState and interpret it using the respective index)
By calling getDuration getNextSwitch you can figure out all there is to know about spend and remaining duration (see the explanation at getPhaseDuration)

regards,
Jakob

2017-09-18 15:27 GMT+02:00 Lawrence Soon via sumo-user <sumo-user@xxxxxxxxxxxxxxxxxxxxx>:
Hello,


I realised that in net.xml file, the trafficlight control does not specify which edge is the phase for, as shown below as an example:

<tlLogic id="232207810" type="static" programID="0" offset="0">
        <phase duration="36" state="GGGGGrrrrr"/>
        <phase duration="9" state="yyyyyrrrrr"/>
        <phase duration="36" state="rrrrrGGGGG"/>
        <phase duration="9" state="rrrrryyyyy"/>
</tlLogic>


and let the edge is defined this way:

<edge id="street5leftleft" from="232207810" to="233432379" priority="9" type="highway.primary" spreadType="center" shape="509.17,869.74 519.11,881.80 567.57,936.91 604.90,975.02 611.28,982.15 616.33,987.82 645.59,1020.13 664.22,1040.70">
        <lane id="street5leftleft_0" index="0" disallow="tram rail_urban rail rail_electric ship" speed="27.78" length="213.48" shape="517.39,874.53 521.62,879.66 569.99,934.66 607.31,972.76 613.74,979.95 618.79,985.61 648.04,1017.91 660.99,1032.21"/>
        <lane id="street5leftleft_1" index="1" disallow="tram rail_urban rail rail_electric ship" speed="27.78" length="213.48" shape="514.84,876.62 519.11,881.80 567.57,936.91 604.90,975.02 611.28,982.15 616.33,987.82 645.59,1020.13 658.54,1034.43"/>
        <lane id="street5leftleft_2" index="2" disallow="tram rail_urban rail rail_electric ship" speed="27.78" length="213.48" shape="512.30,878.72 516.60,883.94 565.15,939.16 602.49,977.28 608.82,984.35 613.87,990.03 643.14,1022.35 656.10,1036.64"/>
 </edge>


junction is defined as :

<junction id="232207810" type="traffic_light" x="509.17" y="869.74" incLanes="juncons35_0 juncons35_1 juncons35_2 juncons35_3 street3leftleft2_0 street3leftleft2_1 street3leftleft2_2" intLanes=":232207810_0_0 :232207810_1_0 :232207810_1_1 :232207810_1_2 :232207810_1_3 :232207810_5_0 :232207810_5_1 :232207810_5_2 :232207810_8_0 :232207810_8_1" shape="511.06,879.74 518.63,873.51 518.97,871.59 512.34,860.29 509.50,860.22 500.93,864.96 500.37,867.06 506.61,878.58">
        <request index="0" response="0000000000" foes="0011100000" cont="0"/>
        <request index="1" response="0000000000" foes="1111100000" cont="0"/>
        <request index="2" response="0000000000" foes="1111100000" cont="0"/>
        <request index="3" response="0000000000" foes="1111100000" cont="0"/>
        <request index="4" response="0000000000" foes="1111100000" cont="0"/>
        <request index="5" response="0000011111" foes="0000011111" cont="0"/>
        <request index="6" response="0000011111" foes="0000011111" cont="0"/>
        <request index="7" response="0000011111" foes="0000011111" cont="0"/>
        <request index="8" response="0000011110" foes="0000011110" cont="0"/>
        <request index="9" response="0000011110" foes="0000011110" cont="0"/>
 </junction>


So how do I get the time duration of green traffic light on a particular edge via traci4matlab?



Thanks and have a great day!

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