Question

this lines show width of the map​

Answer 1

Answer:

latitude

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Answer 2

Answer:

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Explanation:

The reason you can't modify the line width (it's the lwd argument you should be looking for not line height here) is that it isn't applied in the map.scale() function and passed on to the lines() call for that part of the scale. We can, however, programmatically add this functionality to the function by doing something like this: