Need poschitat of the road area in the picture python?

I have a screen with Google maps for example, and of the scale for example. We need to know the area of the roads in the picture. How can I do that?
March 23rd 20 at 19:32
1 answer
March 23rd 20 at 19:34
All very "simple" - know screen - find the side of the road - take the points(coordinates in pixels) at the edges of the road and consider the area for each triangle, 2 points with one edge, one with the other, then the two points of the old triangles with different edges and one new one , then consider the area according to scale(meters in one pixel).
More precisely
Resposnes the type of road
Look in the Handbook how wide they can be in theory
Multiply the theoretical width by a length

And pixel-track and single-track dirt do not differ much
But if to relate the pixels to meters, the road width may be hundreds of meters - casper93 commented on March 23rd 20 at 19:37
And how to recognize these points on the edge of the road? - warren.Koelp commented on March 23rd 20 at 19:40
@warren.Koelp, you're looking at the road as you know what it dagaga? See that strip the same color, a certain width and length, and the edge color is different from the one in the middle. - Kim commented on March 23rd 20 at 19:43
@Kim, but how is using Python to do - warren.Koelp commented on March 23rd 20 at 19:46

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