text: 
  /*jslint browser: true, node: true */
  /*global */
  
  "use strict";
  
  var papaya = papaya || {};
  papaya.volume = papaya.volume || {};
  
  
  
  papaya.volume.VoxelDimensions = papaya.volume.VoxelDimensions || function (colSize, rowSize, sliceSize, timeSize) {
      this.colSize = Math.abs(colSize);
      this.rowSize = Math.abs(rowSize);
      this.sliceSize = Math.abs(sliceSize);
      this.xSize = 0;
      this.ySize = 0;
      this.zSize = 0;
      this.timeSize = timeSize;
  };
  
  
  
  papaya.volume.VoxelDimensions.prototype.isValid = function () {
      return ((this.colSize > 0) && (this.rowSize > 0) && (this.sliceSize > 0) && (this.timeSize >= 0));
  };
  