// This program finds both the surface area and the volume of an isosurface,
// and captions the image with this information.

cloudwater = Import("cloudwater");
camera = AutoCamera(cloudwater,"off-diagonal");

macro make_picture(isovalue)
{
  isosurface = Isosurface(cloudwater, isovalue);
  surface_area = Measure(isosurface);
  surface_area = Compute("$0/1e6", surface_area);
  volume = Measure(isosurface, "volume");
  volume = Compute("$0/1e9", volume);
  caption1 = Format("isovalue = %4.2f", isovalue);
  caption2 = Format("surface area = %5.0f square km", surface_area);
  caption3 = Format("volume = %5.0f cubic km", volume);
  caption = List(caption1, caption2, caption3);
  caption = Caption(caption);
  collected = Collect(caption, isosurface);
  Display(collected,camera);
}

make_picture(0.15);
make_picture(0.75);
make_picture(1.00);
make_picture(1.50);