miura

var npos = 0; // this variable is better be global. 
var directapply = 0; // "boolean" user input direct application of driftcorrect
var crop = 0;  // "boolean" user input crop to ROI 
var splitch = 0;  // "boolean" user input splitting of channels
var targetstack = 1 // ImageID of the stack that is to be processed 
var dir;
var cropxmax = 0;
var cropymax = 0;
var minout = 0;
var maxout = 0;