考察一个旅程
找出从华盛顿州西雅图到路易斯安那州新奥尔良的路径,然后查询它的更多细节.
In[1]:=
![Click for copyable input](assets.zh/explore-a-trip/In_11.png)
trip = TravelDirections[{Entity[
"City", {"NewOrleans", "Louisiana", "UnitedStates"}],
Entity["City", {"Seattle", "Washington", "UnitedStates"}]}]
Out[1]=
![](assets.zh/explore-a-trip/O_7.png)
In[2]:=
![Click for copyable input](assets.zh/explore-a-trip/In_12.png)
DynamicGeoGraphics[{Red, Thick, GeoPath[trip]},
GeoRange -> {GeoPosition[{27, -86}], GeoPosition[{50, -127}]}]
![](assets.zh/explore-a-trip/swf_1.png)