如何解决在大叶地图上添加与标记关联的线性颜色条
我有下面的数据点
geo_pts = [(43.613104184487966,3.888499606480643),(43.62380243834923,3.857292924347734),(43.59878916204914,3.8655616117551346),(43.619188835688256,3.863774797275551),(43.609084246467894,3.863354463170052),(43.59877648226874,3.8949413546743608),(43.59641535416491,3.9004649638210434),(43.60835143135754,3.868352674165506),(43.61140610033741,3.895321677934005),(43.59707832354887,3.8988040501915093),(43.59098438823383,3.8800897856962373),(43.60739277101043,3.8667832414359857),(43.61663960717645,3.895544460094556),(43.62348570738639,3.865234073884166),(43.61294571774928,3.8914346874368637)]
此颜色代码列表:
col_hex=['#8000ff','#5e35fe','#3c68f9','#1996f3','#08bee9','#2adddd','#4df3ce','#6efebe','#90feab','#b2f396','#d4dd80','#f6be68','#ff964f','#ff6835','#ff351b']
我正在使用的地图绘制:
fm = folium.Map(location=geo_pts[0],tiles="Stamen Terrain")
for num,loc in enumerate(geo_pts):
folium.Marker(
location=loc,popup="Pts" + '{:02d}'.format(num),icon=folium.Icon(color='white',icon_color=col_hex[num],icon="star",prefix="fa"),).add_to(fm)
如何在同一张地图上添加颜色条以指示色标标签(1:purple -> 15:red)?
谢谢
解决方法
您可以使用此代码创建颜色条:
import branca.colormap as cmp
step = cmp.StepColormap(
col_hex,vmin=1,vmax=15,caption='Color Scale for markers'
)
然后将其添加到地图中,如下所示:
step.add_to(fm)
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