6.9.2 Baidu Map


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Summary

This tutorial will show you how to create a graph with baidu map as background. Baidu map is recommended if the desired background map is inside the boundary of China.

BaiduMapBackground.png

What will you learn

This tutorial will show you how to:

  • download Baidu Map Import app from App Center.
  • use the App to add Baidu map to a 3D graph.

Steps

  1. Start with a new project. With a blank workbook active, select from menu Data: Connect to Web. In the dialog, enter following URL link:
    https://www.originlab.com/doc/Tutorials/Baidu-Map
    Select table/_1 to import data from this page. There are PM 2.5 values of several observation points in Beijing city at mid-day of 18/11/2020.
  2. Select column C header and click X on the mini toolbar that pops up. This sets column B as X. Similarly, set column E as Z.
  3. Highlight column D and select menu Plot: 3D: 3D Scatter to make a 3D scatter plot.
    BaiduMapBackground1.png
  4. Click Add Apps icon in Apps window that docks on the right side of Origin workspace and search baidu map. Click the download icon to download it.
    BaiduMapBackground2.png
  5. With the 3D scatter graph window active, launch the Baidu Map Import app. Click the From Graph button first to relocate the ROI box to cover all the observations in the preview window. Change Map Type to 3D Plane. Clear Create New Graph checkbox. Then click Import button. Now The baidu map is added to the active graph as background in the XY plane. Close the App.
    BaiduMapBackground3.png
  6. Customize the graph. Double click the Symbol to open the Plot Details dialog.
    • Turn on drop lines to XY plane (plot level > Original branch > Drop Lines tab),
    • Change symbol shape to Sphere and enlarge its size to 18 (plot level > Original branch > Symbol tab).
    • Hide YZ plane and Plane Border (Layer level > Planes tab).
    BaiduMapBackground4.png
  7. Customize axes. Delete X&Y axis title. Select menu Format: Axes: Z Axis. In the Scale tab of Z Axis dialog, change scale From 0 To 100.
  8. Use 3D Rotation toolbar BaiduMapBackground5.png to rotate the graph to a desired angle.

Data

Observation Longitude Latitude PM2.5
DongSi 东四 116.23128 40.22077 42
GuanYuan 官园 116.35586 39.93239 45
Olympic Sports Center 奥体中心 116.41219 39.98538 35
Agriculture Exhibition Center 农展馆 116.46865 39.94429 39
WanLiu 万柳 116.29696 39.96706 36
Northern XiQu 北部新区 116.17035 40.04928 42
FengTai Garden 丰台花园 116.28371 39.86265 34
YunGang 云岗 116.162 39.81044 19
GuCheng 古城 116.23128 40.22077 37
FangShan 房山 116.14294 39.74788 30
DaXing 大兴 116.34159 39.72684 22
YiZhuang 亦庄 116.23128 40.22077 26
GuYi 顺义 116.65477 40.13012 54
ChangPing 昌平 116.23128 40.22077 50
MenTouGou 门头沟 116.10146 39.94048 12
PingGu 平谷 117.12141 40.14062 37
HuaiRou 怀柔 116.63177 40.316 32
MiYun 密云 116.84317 40.37625 14
YanQing 延庆 115.97503 40.45678 15
DingLing 定陵 116.23128 40.22077 27
BaDaLing 八达岭 115.9779 40.36214 24
MinYun Reservoir 密云水库 116.88429 40.47824 12
DongGao 东高村 117.11673 40.10479 73
YongLeDian 永乐店 116.79679 39.70886 66
LiuLi River 琉璃河 116.02432 39.59867 23
YongDingMenNei 永定门内 116.3993 39.87311 38
NanSanHuan 南三环 116.38432 39.85701 41
DongSiHuan 东四环 116.48972 39.91923 42
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