交通流数据XML标签的含义 [英] Traffic flow data XML tags meaning

问题描述

我正在寻找实时交通流量数据.我发现我需要交通API: 点击此处 但我真的不知道这些XML标记的含义是什么，例如 <FI> <TMC PC="11531" DE="Linden" QD="-" LE="0.8535"/> <CF CN="0.86" FF="69.59" JF="0.17" SP="70.13" TY="TR"/> </FI> 我发现了TMC DE PC的含义 但是我找不到CF CN FF JF SP TY.

I am looking for real-time traffic flow data. I found the traffic API is what I need: Click here but I really don't know what the meanings are for those XML tags, such as <FI> <TMC PC="11531" DE="Linden" QD="-" LE="0.8535"/> <CF CN="0.86" FF="69.59" JF="0.17" SP="70.13" TY="TR"/> </FI> I found the meaning of TMC DE PC But I cannot find CF CN FF JF SP TY.

有人知道这些缩写吗?

Anyone know these abbreviations ?

非常感谢，

川盛

推荐答案

我同意它是相当隐藏的，但是您可以在

I agree that it's quite hidden, but you can find the explanation for xsd schemas under the meta resources. You are most likely interested in the following REST call:

http://traffic.cit.api.here.com/traffic/6.0/xsd/flow.xsd?app_id=YOUR_APP_ID&app_code=YOUR_APP_CODE

以下是输出的一部分，解释了 FF 属性代表的含义:

Here is part of the output explaining what FF attribute stands for:

...
<xs:attribute name="FF" type="speed" use="required">
   <xs:annotation>
     <xs:documentation>The free flow speed on this stretch of road.</xs:documentation>
   </xs:annotation>
</xs:attribute>
...

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