Rich,<br><br><div class="gmail_quote">On Mon, Apr 9, 2012 at 10:07 PM, Rich Shepard <span dir="ltr"><<a href="mailto:rshepard@appl-ecosys.com">rshepard@appl-ecosys.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div class="im">On Sat, 7 Apr 2012, Margherita Di Leo wrote:<br>
<br>
</div><div class="im"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
Do you produce any null cells when you weight the flow acc? I'm not sure<br>
but I guess this could also be a problem (?)<br>
</blockquote>
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madi,<br>
<br>
I don't know. How do I determine if null cells are produced (look at<br>
r.null.fill output, perhaps)?</blockquote><div><br></div><div>You said you produce the accumulation map by:</div><div><br></div><div><span style>r.mapcalc "elevation.10m.acc.weighed = elevation.10m.acc * weight"</span></div>
<div><br></div><div>The map namely weight shouldn't have null values (use r.null to set null values to zero).</div><div><br></div><div>Best,</div><div>madi </div><div><br></div></div>-- <br>Ing. Margherita Di Leo, Ph.D.<br>