array_image_extend.ijm

gistfile1.js

// Extend array: THAT WORKS !!!
length++;
run("Canvas Size...", "width=" + length + " height=1 position=Top-Left zero");
//polygon[8]="hendecagon";
setPixel(8,0,11);
print("Index 8: The  polygon  has "+  getPixel(i,sides)  + " sides");