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JingqingZ avatar JingqingZ commented on May 26, 2024

Hi, the road data including start/end points of roads and GPS of start/end points are available to download in the link in README.md.

More explanation can be found #16

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hessam94 avatar hessam94 commented on May 26, 2024

thanks for your response, but I already downloaded the "Road Network Sub-dataset" and it seems is has only start point of the road. would you check it. which link you exactly mean? this is the sample data from Road Network Sub-dataset file :
roadId Y X
""1144134225930 116.391026 39.922581" ,
Thanks my friend. i will read the #16 as well. please let me know about it highly appreciated

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JingqingZ avatar JingqingZ commented on May 26, 2024

The snodeid and enodeid in the file named road_network_sub-dataset represent start/end points of a road/link.

To match those ID with GPS: #6

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hessam94 avatar hessam94 commented on May 26, 2024

thanks , I almost got it, but I just see a problem which is it also mentioned it #6 :
we have a link L1 with S1(snode ) and E1 (enode), There is no entry corresponding to S1_hash and E1_hash in the road_network_sub_dataset? so how complete the network is? it is mentioned less than 1% data incompleteness. is that right? i mean is the road network 99 % complete?? thanks

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hessam94 avatar hessam94 commented on May 26, 2024

i am checking randomly some samples, couldn't find even one connected link, So my another question is, was there any specific reason that you provided snode and enode for each link, because it seems there is not any corresponding for snode and enodes neither is road_network file, nor in link_gps.

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JingqingZ avatar JingqingZ commented on May 26, 2024

Hi sorry for the confusion. You may use the link_id to find gps of roads and start/end node ids to build connections between roads.

As mentioned in #6, 44k out of 450k roads are available to download. Some roads that have missing traffic values are removed as well.

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