Re: [sumo-user] speed factor

[ali mirzaei <alimrz222@xxxxxxxxx>]

Hi,

Let me explain what I am doing in short. In my scenario, there are a main and a side street with the same flows(vehicle attributes). I changed speedFactor to 1.2 and speedDev to 0.2 in the second try in netedit through the vehicle type attribute editor and compared it with the state in which speedFactor=1 and speedDev=0.

<vType id="vType_0" minGap="2.50" speedFactor="normc(1.2,0.20,0.20,2.00)" color="yellow" sigma="1"/>

1- I expected to see a faster flow than the ex-one in the main street but I think it didn't happen as the volume of the entry flow from the side street didn't change. why?

2- I edited the speedFactor in the four-parameter version of normal distribution in the XML file and saved it. But when I backed to netedit, nothing had changed in the vehicle type attribute editor and the values(speedFactor and sppedDev) were as same as the ex-ones. Why?

3- MY major question is how I can trace in my flow the impact of cut-offs' editing?

Regards,

Ali.

On Tue, Feb 23, 2021 at 1:28 PM Jakob Erdmann <namdre.sumo@xxxxxxxxx> wrote:

Netedit currently does not support specifing the multi-parameter version. You have to edit the xml file with a text editor.

Am Mo., 22. Feb. 2021 um 18:06 Uhr schrieb ali mirzaei <alimrz222@xxxxxxxxx>:

Hi,

Do you mean through XML codes? How by netedit I can insert them? 

Thank you,

Ali

On Sun, Feb 21, 2021 at 7:10 PM ali mirzaei <alimrz222@xxxxxxxxx> wrote:

Hi,

I want to consider the effect of the speed factor on a flow. The point didn't get clear even after reading the manual in which the speed factor and speed deviation addressed. Do you think changing the cut-offs is possible?

Regards,

Ali

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