could you tell me how to take a coordinate as the center and how to get a set of coordinates of a square of 2 square kilometers on the map? Use Tencent Map
could you tell me how to take a coordinate as the center and how to get a set of coordinates of a square of 2 square kilometers on the map? Use Tencent Map
because 2 square kilometers is of a small scale in the geographical coordinate system, the corresponding coordinate area is
P (x1onomy1), P (x2)
x1centx0lics1Latitude and latitude difference corresponding to the longitude and latitude difference corresponding to the longitude and latitude, because the longitude and latitude corresponding values are not nearly the same, so the values are taken respectively, and the difference between latitude and longitude corresponding to the longitude and latitude is not nearly the same, so the values are taken respectively, and the difference between longitude and latitude corresponding to the longitude and latitude is not nearly the same as that of latitude and longitude, because the corresponding values of longitude and latitude are not nearly the same. For more information on calculation, please see http://www.360doc.com/content.
t=sqrt(2)/2
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I want to implement fuzzy search of addresses through Tencent Map s AutocompleteOptions class at the front end, but Tencent does not seem to have any relevant examples. ...