sites

[Darrell McCauley]

Helena Mitasova (helena at zorro.cecer.army.mil) writes on 24 Jan 94:
>We have 3D/4D visualization and interpolation programs running and we
>are forcing GRASS to work with it. So we have sites:
>x|y|#z concentration
>or
>x|y|#z error
>here, we will need some time to evaluate what was in the discussion

This is where some of the confusion has come in. Is 'z' a floating
point number or a category number?