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od_data_front's Introduction

make_od_data_front

安装依赖

首先保证 node.js 已全局安装(网上有教程),在 cmd 中验证是否安装成功:

node -v
npm -v

输出版本号表示安装成功,此时执行命令安装 yarn

npm install -g yarn

最后进入该项目根目录下的 cmd 中,执行:

yarn install

运行项目

运行后端项目后,在该项目根目录下的 cmd 中执行:

yarn serve

界面和使用

  • 左上角是时间范围选择
  • 在网格中依次左键点击两个网格,右上角的两个正方形中会同时出现选中的网格 id,表示选中了一个OD流。选中2个网格后,点击“add”按钮即可添加已选的OD流。(一般在构造数据集时需要添加双向的OD对,如选择了 72-34,则也要再手动选择 34-72)
  • 当左键点击选择后,若想要更改已选的网格,任意处点击右键即可取消刚才的选择。
  • 当选择完成一个数据集后,界面如图所示:

左侧橙色网格是已选中的网格,蓝色线条是选中的OD流,粗细表示OD流流量(考虑到流量可能很大,线条的最大粗细为10px)。右侧的 tag 列表中对应显示了已添加的OD对,“35-54(3)” 表示一条网格 35 到网格 54 的流量为 3 的OD流,点击右侧的“x”可以删除这条OD流。

  • 点击 save 按钮即可保存当前的数据集到后端。
  • 若要查看历史构造的数据集,打开 file 选择器,打开后的数据集可在左侧展示 OD 图,(此时蓝色线条的粗细固定,并不代表流量,只展示拓扑结构)

该项目没有考虑用户不当操作情况的处理,可能会在运行期间由于错误操作报错,一般刷新页面即可,或者 重启后端+刷新页面

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