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enter image description here

Here in the image, the black line is the polyline I have and the red points are the points from which I need to find the distances D1, D2, D3 and D4.

The polyline data is extracted from Google directions api.

Sample polyline:

o`kpBywaaMQs@y@NEBCACCa@{Ag@LUJkDfC]d@yA|CuA~E_@lDArA@tADx@JfAHZBND@JBLRATINUFE?IHs@j@kBfA_A\iAXsAP}BHKCEEIe@i@cBYk@W[WY@M?Yg@kEOw@S@E@MRcA|Ao@`A[z@@ZGVUn@yEnH[f@MKiGyEmCoBgA{@wAiAw@m@s@o@}@{@CIACWEiBQeAKm@IMD[fA~EdC

And, sample points:

18.57847, 73.74055
18.57818, 73.73683
18.58348, 73.73603
18.58022, 73.73868
  • What GIS system do you indent to use? You say python, but why python when this question is trivial for GIS software? – Hornbydd May 31 at 15:07
  • look at Drawing perpendicular lines in PyQGIS? – gene May 31 at 15:23
  • I need the distance value of the perperdiculars from the polyline to those points. – Koustav Chanda May 31 at 17:13

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