How to make linearGradient fall equally on the whole svg?

Question

Vector graphics

Problem: I set the gradient not to apply to each element separately, but to the entire svg ?

Answer 1

It is necessary that the object be one (single) curve

Answer 2

Where the gradient is declared:
...for starters, you need to y2replace the attribute value from 1with 100%:
...and add an attribute gradientUnitswith the value userSpaceOnUse:
Happened:
This article talks about gradientUnits.
Or do as raron suggested , merge all the elements into one.