diff options
| author | bubnikv <bubnikv@gmail.com> | 2018-09-19 12:02:24 +0300 |
|---|---|---|
| committer | bubnikv <bubnikv@gmail.com> | 2018-09-19 12:02:24 +0300 |
| commit | 0558b53493a77bae44831cf87bb0f59359828ef5 (patch) | |
| tree | c3e8dbdf7d91a051c12d9ebbf7606d41047fea96 /xs/src/qhull/html/qh-optp.htm | |
| parent | 3ddaccb6410478ad02d8c0e02d6d8e6eb1785b9f (diff) | |
WIP: Moved sources int src/, separated most of the source code from Perl.
The XS was left only for the unit / integration tests, and it links
libslic3r only. No wxWidgets are allowed to be used from Perl starting
from now.
Diffstat (limited to 'xs/src/qhull/html/qh-optp.htm')
| -rw-r--r-- | xs/src/qhull/html/qh-optp.htm | 253 |
1 files changed, 0 insertions, 253 deletions
diff --git a/xs/src/qhull/html/qh-optp.htm b/xs/src/qhull/html/qh-optp.htm deleted file mode 100644 index 9c6df90f5..000000000 --- a/xs/src/qhull/html/qh-optp.htm +++ /dev/null @@ -1,253 +0,0 @@ -<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML//EN"> -<html> - -<head> -<title>Qhull print options (P)</title> -</head> - -<body> -<!-- Navigation links --> -<p><b>Up:</b> <a href="http://www.qhull.org">Home page</a> for Qhull<br> -<b>Up:</b> <a href="index.htm#TOC">Qhull manual</a>: Table of Contents<br> -<b>To:</b> <a href="qh-quick.htm#programs">Programs</a> -• <a href="qh-quick.htm#options">Options</a> -• <a href="qh-opto.htm#output">Output</a> -• <a href="qh-optf.htm#format">Formats</a> -• <a href="qh-optg.htm#geomview">Geomview</a> -• <a href="qh-optp.htm#print">Print</a> -• <a href="qh-optq.htm#qhull">Qhull</a> -• <a href="qh-optc.htm#prec">Precision</a> -• <a href="qh-optt.htm#trace">Trace</a> -• <a href="../src/libqhull_r/index.htm">Functions</a></p> - -<hr> -<!-- Main text of document --> -<h1><a -href="http://www.geom.uiuc.edu/graphics/pix/Special_Topics/Computational_Geometry/delaunay.html"><img -src="qh--dt.gif" alt="[delaunay]" align="middle" width="100" -height="100"></a> Qhull print options (P)</h1> - -This section lists the print options for Qhull. These options are -indicated by 'P' followed by a letter. See -<a href="qh-opto.htm#output">Output</a>, <a href="qh-optg.htm#geomview">Geomview</a>, -and <a href="qh-optf.htm#format">Format</a> for other output options. - - -<p><b>Copyright © 1995-2015 C.B. Barber</b></p> - -<hr> - -<p><a href="index.htm#TOC">»</a> <a href="qh-quick.htm#programs">Programs</a> -<a name="format">•</a> <a href="qh-quick.htm#options">Options</a> -• <a href="qh-opto.htm#output">Output</a> -• <a href="qh-optf.htm#format">Formats</a> -• <a href="qh-optg.htm#geomview">Geomview</a> -• <a href="qh-optp.htm#print">Print</a> -• <a href="qh-optq.htm#qhull">Qhull</a> -• <a href="qh-optc.htm#prec">Precision</a> -• <a href="qh-optt.htm#trace">Trace</a> -• <a href="../src/libqhull_r/index.htm">Functions</a></p> - -<h2>Print options</h2> -<blockquote> -<dl compact> - <dt> </dt> - <dd><b>General</b></dd> - <dt><a href="#Pp">Pp</a></dt> - <dd>do not report precision problems </dd> - <dt><a href="#Po">Po</a></dt> - <dd>force output despite precision problems</dd> - <dt><a href="#Po2">Po</a></dt> - <dd>if error, output neighborhood of facet</dd> - <dt> </dt> - <dt> </dt> - <dd><b>Select</b></dd> - <dt><a href="#Pdk">Pdk:n</a></dt> - <dd>print facets with normal[k] >= n (default 0.0)</dd> - <dt><a href="#PDk">PDk:n</a></dt> - <dd>print facets with normal[k] <= n </dd> - <dt><a href="#PFn">PFn</a></dt> - <dd>print facets whose area is at least n</dd> - <dt><a href="#Pg">Pg</a></dt> - <dd>print good facets only (needs '<a href="qh-optq.htm#QGn">QGn</a>' - or '<a href="qh-optq.htm#QVn">QVn </a>')</dd> - <dt><a href="#PMn">PMn</a></dt> - <dd>print n facets with most merges</dd> - <dt><a href="#PAn">PAn</a></dt> - <dd>print n largest facets by area</dd> - <dt><a href="#PG">PG</a></dt> - <dd>print neighbors of good facets</dd> -</dl> -</blockquote> -<hr> - -<h3><a href="#print">»</a><a name="PAn">PAn - keep n largest -facets by area</a></h3> - -<p>The <i>n</i> largest facets are marked good for printing. This -may be useful for <a href="qh-impre.htm#approximate">approximating -a hull</a>. Unless '<a href="#PG">PG</a>' is set, '<a href="#Pg">Pg</a>' -is automatically set. </p> - -<h3><a href="#print">»</a><a name="Pdk">Pdk:n - print facet if -normal[k] >= n </a></h3> - -<p>For a given output, print only those facets with <i>normal[k] >= n</i> -and <i>drop</i> the others. For example, 'Pd0:0.5' prints facets with <i>normal[0] ->= 0.5 </i>. The default value of <i>n</i> is zero. For -example in 3-d, 'Pd0d1d2' prints facets in the positive octant. -<p> -If no facets match, the closest facet is returned.</p> -<p> -On Windows 95, do not combine multiple options. A 'd' is considered -part of a number. For example, use 'Pd0:0.5 Pd1:0.5' instead of -'Pd0:0.5d1:0.5'. - -<h3><a href="#print">»</a><a name="PDk">PDk:n - print facet if -normal[k] <= n</a></h3> - -<p>For a given output, print only those facets with <i>normal[k] <= n</i> -and <i>drop</i> the others. -For example, 'PD0:0.5' prints facets with <i>normal[0] -<= 0.5 </i>. The default value of <i>n</i> is zero. For -example in 3-d, 'PD0D1D2' displays facets in the negative octant. -<p> -If no facets match, the closest facet is returned.</p> - -<p>In 2-d, 'd G PD2' displays the Delaunay triangulation instead -of the corresponding paraboloid. </p> - -<p>Be careful of placing 'Dk' or 'dk' immediately after a real -number. Some compilers treat the 'D' as a double precision -exponent. </p> - -<h3><a href="#print">»</a><a name="PFn">PFn - keep facets whose -area is at least n</a></h3> - -<p>The facets with area at least <i>n</i> are marked good for -printing. This may be useful for <a -href="qh-impre.htm#approximate">approximating a hull</a>. Unless -'<a href="#PG">PG</a>' is set, '<a href="#Pg">Pg</a>' is -automatically set. </p> - -<h3><a href="#print">»</a><a name="Pg">Pg - print good facets </a></h3> - -<p>Qhull can mark facets as "good". This is used to</p> - -<ul> - <li>mark the lower convex hull for Delaunay triangulations - and Voronoi diagrams</li> - <li>mark the facets that are visible from a point (the '<a - href="qh-optq.htm#QGn">QGn </a>' option)</li> - <li>mark the facets that contain a point (the '<a - href="qh-optq.htm#QVn">QVn</a>' option).</li> - <li>indicate facets with a large enough area (options '<a - href="#PAn">PAn</a>' and '<a href="#PFn">PFn</a>')</li> -</ul> - -<p>Option '<a href="#Pg">Pg</a>' only prints good facets that -also meet '<a href="#Pdk">Pdk</a>' and '<a href="#PDk">PDk</a>' -options. It is automatically set for options '<a href="#PAn">PAn</a>', -'<a href="#PFn">PFn </a>', '<a href="qh-optq.htm#QGn">QGn</a>', -and '<a href="qh-optq.htm#QVn">QVn</a>'.</p> - -<h3><a href="#print">»</a><a name="PG">PG - print neighbors of -good facets</a></h3> - -<p>Option 'PG' can be used with or without option '<a href="#Pg">Pg</a>' -to print the neighbors of good facets. For example, options '<a -href="qh-optq.htm#QGn">QGn</a>' and '<a href="qh-optq.htm#QVn">QVn</a>' -print the horizon facets for point <i>n. </i></p> - -<h3><a href="#print">»</a><a name="PMn">PMn - keep n facets with -most merges</a></h3> - -<p>The n facets with the most merges are marked good for -printing. This may be useful for <a -href="qh-impre.htm#approximate">approximating a hull</a>. Unless -'<a href="#PG">PG</a>' is set, '<a href="#Pg">Pg</a>' is -automatically set. </p> - -<p>Use option '<a href="qh-optf.htm#Fm">Fm</a>' to print merges -per facet. - -<h3><a href="#print">»</a><a name="Po">Po - force output despite -precision problems</a></h3> - -<p>Use options 'Po' and '<a href="qh-optq.htm#Q0">Q0</a>' if you -can not merge facets, triangulate the output ('<a href="qh-optq.htm#Qt">Qt</a>'), -or joggle the input (<a href="qh-optq.htm#QJn">QJ</a>). - -<p>Option 'Po' can not force output when -duplicate ridges or duplicate facets occur. It may produce -erroneous results. For these reasons, merged facets, joggled input, or <a -href="qh-impre.htm#exact">exact arithmetic</a> are better.</p> - -<p>If you need a simplicial Delaunay triangulation, use -joggled input '<a href="qh-optq.htm#QJn">QJ</a>' or triangulated -output '<a -href="qh-optf.htm#Ft">Ft</a>'. - -<p>Option 'Po' may be used without '<a href="qh-optq.htm#Q0">Q0</a>' -to remove some steps from Qhull or to output the neighborhood of -an error.</p> - -<p>Option 'Po' may be used with option '<a href="qh-optq.htm#Q5">Q5</a>') -to skip qh_check_maxout (i.e., do not determine the maximum outside distance). -This can save a significant amount of time. - -<p>If option 'Po' is used,</p> - -<ul> - <li>most precision errors allow Qhull to continue. </li> - <li>verify ('<a href="qh-optt.htm#Tv">Tv</a>') does not check - coplanar points.</li> - <li>points are not partitioned into flipped facets and a - flipped facet is always visible to a point. This may - delete flipped facets from the output. </li> -</ul> - -<h3><a href="#print">»</a><a name="Po2">Po - if error, output -neighborhood of facet</a></h3> - -<p>If an error occurs before the completion of Qhull and tracing -is not active, 'Po' outputs a neighborhood of the erroneous -facets (if any). It uses the current output options.</p> - -<p>See '<a href="qh-optp.htm#Po">Po</a>' - force output despite -precision problems. - -<h3><a href="#print">»</a><a name="Pp">Pp - do not report -precision problems </a></h3> - -<p>With option 'Pp', Qhull does not print statistics about -precision problems, and it removes some of the warnings. It -removes the narrow hull warning.</p> - -<!-- Navigation links --> -<hr> - -<p><b>Up:</b> <a href="http://www.qhull.org">Home page</a> for Qhull<br> -<b>Up:</b> <a href="index.htm#TOC">Qhull manual</a>: Table of Contents<br> -<b>To:</b> <a href="qh-quick.htm#programs">Programs</a> -• <a href="qh-quick.htm#options">Options</a> -• <a href="qh-opto.htm#output">Output</a> -• <a href="qh-optf.htm#format">Formats</a> -• <a href="qh-optg.htm#geomview">Geomview</a> -• <a href="qh-optp.htm#print">Print</a> -• <a href="qh-optq.htm#qhull">Qhull</a> -• <a href="qh-optc.htm#prec">Precision</a> -• <a href="qh-optt.htm#trace">Trace</a> -• <a href="../src/libqhull_r/index.htm">Functions</a></p> -<!-- GC common information --> -<hr> - -<p><a href="http://www.geom.uiuc.edu/"><img src="qh--geom.gif" -align="middle" width="40" height="40"></a><i>The Geometry Center -Home Page </i></p> - -<p>Comments to: <a href=mailto:qhull@qhull.org>qhull@qhull.org</a> -</a><br> -Created: Sept. 25, 1995 --- <!-- hhmts start --> Last modified: see top <!-- hhmts end --> </p> -</body> -</html> |