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Thanks Micha. I though of v.distance but I wasn't sure if the connectors would be perpendicular
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<div id="192435085746443587A9F1307824E847"><div><br></div>-- <br>Carlos Grohmann<br><div>Sent with <a href="http://www.sparrowmailapp.com/?sig">Sparrow</a></div><div><br></div></div>
<p style="color: #A0A0A8;">On Thursday, 10 de May de 2012 at 14:42, Micha Silver wrote:</p>
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On 05/10/2012 06:31 PM, Carlos Grohmann wrote:
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<div id="message-body"> Hi all </div>
<div id="message-body">I'm thinking if there is a way to
project a series of points into a line, but this projection
must be in a direction perpendicular to the line.</div>
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One approach is a three step process: <br>
1- Begin with v.distance from your points to the line. The 'output'
parameter will be a line vector of the (perpendicular) connectors
from the points to the line.<br>
2- Next do v.patch to merge the connectors to the line.<br>
3- And finally v.clean with tool=break error=connector_points. The
'error' parameter contains all those points where a new intersection
had to be created after patching the connectors to the line vector.
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<br>
(There is a chance that one connector will intersect the line
exactly on a node, and then v.clean won't find that point since it's
not an 'error'. But that's probably a very rare case.)<br>
<br>
HTH,<br>
Micha<br><blockquote type="cite"><div>
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<div id="message-body">Tks</div>
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-- <br>
Carlos Grohmann<br>
<div>Sent with <a moz-do-not-send="true" href="http://www.sparrowmailapp.com/?sig">Sparrow</a></div>
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<pre cols="72">--
Micha Silver
GIS Consultant, Arava Development Co.
<a href="http://www.surfaces.co.il">http://www.surfaces.co.il</a></pre>
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