code: @Execute
      public void process() throws Exception {
          if (!concatOr(outCb == null, doReset)) {
              return;
          }
          checkNull(inRaster1);
          RenderedImage map1RI = inRaster1.getRenderedImage();
          RenderedImage map2RI = null;
          if (inRaster2 == null) {
              map2RI = map1RI;
          } else {
              map2RI = inRaster2.getRenderedImage();
          }
  
          outCb = new CoupledFieldsMoments().process(map1RI, map2RI, pBins, pFirst, pLast, pm, binmode);
      }
docs: private float base;