On Mon, Jun 4, 2012 at 3:33 PM, Christopher Sean Morrison
<brl...@mac.com> wrote:
>
> On Jun 4, 2012, at 3:57 PM, Tom Browder wrote:
>
>> 1. How many adjacent zero points are required to define a hole in a DSP?
>
> Supposed to be just one.  The value in the field is the "height" of the
> displacement, so a zero-value in any 'interior' cell surrounded by non-zero
> cells should be a hole.  That may get screwy with interpolation

I see there is a skeleton dsp.sh just waiting to be filled in which
I'll happily work on if I can understand the dsp better.

For instance I'm not sure what the difference between these two are:

# create 1x1 datasets
# ---
# | |
# ---
# and
# ---
# |X|
# ---

I've been assuming a cell is described by the four corners, so it is a
2x2 bitmap with width (X) = 1 and height (Y) = 1.

>From the example it looks like a single cell has four corners, four
edges, and a center that defines the top surface, but I'm betting the
difference is whether the tops of the four corners (of a 2x2 bitmap)
define a planar quadrilateral or not.

And the answer is?

Cheers!

-Tom

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