Simple script authored in the console to normalize linear path data. Makes it so that the path begins at 0,0 and expands to 100x100.

gistfile1.txt

var d = '350,75 379,161 469,161 397,215 423,301 350,250 277,301 303,215 231,161 321,161'.split(' ')

for( var i = 0; i < d.length; i++ ) {
d[i] = d[i].split(',')
}

for( var i = 0; i < d.length; i++ ) {
d[i][0] = parseInt(d[i][0])
d[i][1] = parseInt(d[i][1])
}

var minX = 999999;
var minY = 999999;

for( var i = 0; i < d.length; i++ ) {
minX = Math.min( minX, d[i][0] );
minY = Math.min( minY, d[i][1] )
}

for( var i = 0; i < d.length; i++ ) {
d[i][0] -= minX;
d[i][1] -= minY;
}

var maxX = 0;
var maxY = 0;

for( var i = 0; i < d.length; i++ ) {
maxX = Math.max( maxX, d[i][0] );
maxY = Math.max( maxY, d[i][1] )
}

var fx = 100 / maxX;
var fy = 100 / maxY;

for( var i = 0; i < d.length; i++ ) {
d[i][0] *= fx;
d[i][1] *= fy;
}

for( var i = 0; i < d.length; i++ ) {
d[i][0] = Math.round( d[i][0] * 100 ) / 100;
d[i][1] = Math.round( d[i][1] * 100 ) / 100;
}

var o = [];

for( var i = 0; i < d.length; i++ ) {
o.push( d[i][0] + ',' + d[i][1] );
}

o.join( ' ' )