mirror of
https://github.com/qgis/QGIS.git
synced 2025-03-06 00:05:02 -05:00
20 lines
1.2 KiB
HTML
20 lines
1.2 KiB
HTML
<html>
|
|
<head><link rel="stylesheet" type="text/css" href="help.css" /></head>
|
|
<body>
|
|
<h1 class='module'>Surface Specific Points</h1>
|
|
<div class='author'>(c) 2001 by O.Conrad</div>
|
|
<div class='description'>References:<br/>
|
|
Peucker, T.K. and Douglas, D.H., 1975:<br/>
|
|
'Detection of surface-specific points by local parallel processing of discrete terrain elevation data',<br/>
|
|
Computer Graphics and Image Processing, 4, 375-387<br/>
|
|
</div>
|
|
<h2>Parameters</h2>
|
|
<dl class='parameters'>
|
|
<dt>Grid system <div class='type'>Grid system</div></dt><dd>Grid system <div class='constraints'></div></dd>
|
|
<dt>Elevation <div class='type'>Input Grid</div></dt><dd> <div class='constraints'></div></dd>
|
|
<dt>Result <div class='type'>Output Grid</div></dt><dd> <div class='constraints'></div></dd>
|
|
<dt>Method <div class='type'>Choice</div></dt><dd>Algorithm for the detection of Surface Specific Points <div class='constraints'>Available choices: Mark Highest Neighbour, Opposite Neighbours, Flow Direction, Flow Direction (up and down), Peucker & Douglas</div></dd>
|
|
<dt>Threshold <div class='type'>Floating point</div></dt><dd>Threshold for Peucker & Douglas Algorithm <div class='constraints'></div></dd>
|
|
</dl>
|
|
</body></html>
|