<div dir="ltr"><div class="gmail_extra"><div class="gmail_quote"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><br>
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Mark, should we provide some more flexible way to label "fields"? It<br>
will be more complicated than the present code and I think packing into<br>
interlaced format is faster anyway.<br></blockquote><div><br></div><div><br></div><div>I'm thinking this would entail reordering the matrix and inverting this permutation for the fine grid R & P. This would be some work for a small number of people. It might be nice to be able to detect this and give a warning but I don't see how this could be done.</div>
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