Functions | Variables
qdelaun.c File Reference
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#include <math.h>
#include "libqhull.h"
#include "mem.h"
#include "qset.h"
Include dependency graph for qdelaun.c:

Go to the source code of this file.

Functions

int isatty (int)
int main (int argc, char *argv[])

Variables

char hidden_options [] = " d n v H U Qb QB Qc Qf Qg Qi Qm Qr QR Qv Qx TR E V FC Fi Fo Ft Fp FV Q0 Q1 Q2 Q3 Q4 Q5 Q6 Q7 Q8 Q9 "
char qh_prompt2 []
char qh_prompt3 []
char qh_prompta []
char qh_promptb []
char qh_promptc []
char qh_promptd []
char qh_prompte []

Function Documentation

int isatty ( int  )
int main ( int  argc,
char *  argv[] 
)

Definition at line 260 of file qdelaun.c.


Variable Documentation

char hidden_options[] = " d n v H U Qb QB Qc Qf Qg Qi Qm Qr QR Qv Qx TR E V FC Fi Fo Ft Fp FV Q0 Q1 Q2 Q3 Q4 Q5 Q6 Q7 Q8 Q9 "

Definition at line 57 of file qdelaun.c.

char qh_prompt2[]
Initial value:
"\n\
qdelaunay- compute the Delaunay triangulation.  Qhull %s\n\
    input (stdin): dimension, number of points, point coordinates\n\
    comments start with a non-numeric character\n\
\n\
options (qdelaun.htm):\n\
    Qu   - furthest-site Delaunay triangulation\n\
    Qt   - triangulated output\n\
    QJ   - joggled input instead of merged facets\n\
    Tv   - verify result: structure, convexity, and in-circle test\n\
    .    - concise list of all options\n\
    -    - one-line description of all options\n\
\n\
output options (subset):\n\
    s    - summary of results (default)\n\
    i    - vertices incident to each Delaunay region\n\
    Fx   - extreme points (vertices of the convex hull)\n\
    o    - OFF format (shows the points lifted to a paraboloid)\n\
    G    - Geomview output (2-d and 3-d points lifted to a paraboloid)\n\
    m    - Mathematica output (2-d inputs lifted to a paraboloid)\n\
    QVn  - print Delaunay regions that include point n, -n if not\n\
    TO file- output results to file, may be enclosed in single quotes\n\
\n\
examples:\n\
    rbox c P0 D2 | qdelaunay s o          rbox c P0 D2 | qdelaunay i\n\
    rbox c P0 D2 | qdelaunay Fv           rbox c P0 D2 | qdelaunay s Qu Fv\n\
    rbox c G1 d D2 | qdelaunay s i        rbox c G1 d D2 | qdelaunay Qt\n\
    rbox M3,4 z 100 D2 | qdelaunay s      rbox M3,4 z 100 D2 | qdelaunay s Qt\n\
\n\
"

Definition at line 178 of file qdelaun.c.

char qh_prompt3[]
Initial value:
"\n\
Qhull %s.\n\
Except for 'F.' and 'PG', upper-case options take an argument.\n\
\n\
 incidences     mathematica    OFF_format     points_lifted  summary\n\
 facet_dump\n\
\n\
 Farea          FArea_total    Fcoincident    Fd_cdd_in      FD_cdd_out\n\
 FF_dump_xridge FIDs           Fmerges        Fneighbors     FNeigh_vertex\n\
 FOptions       FPoint_near    FQdelaun       Fsummary       FSize\n\
 Fvertices      Fxtremes       FMaple\n\
\n\
 Gvertices      Gpoints        Gall_points    Gno_planes     Ginner\n\
 Gcentrums      Ghyperplanes   Gridges        Gouter         GDrop_dim\n\
 Gtransparent\n\
\n\
 PArea_keep     Pdrop d0:0D0   Pgood          PFacet_area_keep\n\
 PGood_neighbors PMerge_keep   Poutput_forced Pprecision_not\n\
\n\
 QGood_point    QJoggle        Qsearch_1st    Qtriangulate   QupperDelaunay\n\
 QVertex_good   Qzinfinite\n\
\n\
 T4_trace       Tcheck_often   Tstatistics    Tverify        Tz_stdout\n\
 TFacet_log     TInput_file    TPoint_trace   TMerge_trace   TOutput_file\n\
 TWide_trace    TVertex_stop   TCone_stop\n\
\n\
 Angle_max      Centrum_size   Random_dist    Wide_outside\n\
"

Definition at line 216 of file qdelaun.c.

char qh_prompta[]
Initial value:
"\n\
qdelaunay- compute the Delaunay triangulation\n\
    http://www.qhull.org  %s\n\
\n\
input (stdin):\n\
    first lines: dimension and number of points (or vice-versa).\n\
    other lines: point coordinates, best if one point per line\n\
    comments:    start with a non-numeric character\n\
\n\
options:\n\
    Qu   - compute furthest-site Delaunay triangulation\n\
    Qt   - triangulated output\n\
    QJ   - joggled input instead of merged facets\n\
\n\
Qhull control options:\n\
    QJn  - randomly joggle input in range [-n,n]\n\
%s%s%s%s"

Definition at line 59 of file qdelaun.c.

char qh_promptb[]
Initial value:
"\
    Qs   - search all points for the initial simplex\n\
    Qz   - add point-at-infinity to Delaunay triangulation\n\
    QGn  - print Delaunay region if visible from point n, -n if not\n\
    QVn  - print Delaunay regions that include point n, -n if not\n\
\n\
"

Definition at line 76 of file qdelaun.c.

char qh_promptc[]

Definition at line 83 of file qdelaun.c.

char qh_promptd[]
Initial value:
"\
More formats:\n\
    Fa   - area for each Delaunay region\n\
    FA   - compute total area for option 's'\n\
    Fc   - count plus coincident points for each Delaunay region\n\
    Fd   - use cdd format for input (homogeneous with offset first)\n\
    FD   - use cdd format for numeric output (offset first)\n\
    FF   - facet dump without ridges\n\
    FI   - ID of each Delaunay region\n\
    Fm   - merge count for each Delaunay region (511 max)\n\
    FM   - Maple output (2-d only, lifted to a paraboloid)\n\
    Fn   - count plus neighboring region for each Delaunay region\n\
    FN   - count plus neighboring region for each point\n\
    FO   - options and precision constants\n\
    FP   - nearest point and distance for each coincident point\n\
    FQ   - command used for qdelaunay\n\
    Fs   - summary: #int (8), dimension, #points, tot vertices, tot facets,\n\
                    for output: #vertices, #Delaunay regions,\n\
                                #coincident points, #non-simplicial regions\n\
                    #real (2), max outer plane, min vertex\n\
    FS   - sizes:   #int (0)\n\
                    #real (2), tot area, 0\n\
    Fv   - count plus vertices for each Delaunay region\n\
    Fx   - extreme points of Delaunay triangulation (on convex hull)\n\
\n\
"

Definition at line 116 of file qdelaun.c.

char qh_prompte[]
Initial value:
"\
Geomview options (2-d and 3-d)\n\
    Ga   - all points as dots\n\
     Gp  -  coplanar points and vertices as radii\n\
     Gv  -  vertices as spheres\n\
    Gi   - inner planes only\n\
     Gn  -  no planes\n\
     Go  -  outer planes only\n\
    Gc     - centrums\n\
    Gh   - hyperplane intersections\n\
    Gr   - ridges\n\
    GDn  - drop dimension n in 3-d and 4-d output\n\
    Gt   - transparent outer ridges to view 3-d Delaunay\n\
\n\
Print options:\n\
    PAn  - keep n largest Delaunay regions by area\n\
    Pdk:n - drop facet if normal[k] <= n (default 0.0)\n\
    PDk:n - drop facet if normal[k] >= n\n\
    Pg   - print good Delaunay regions (needs 'QGn' or 'QVn')\n\
    PFn  - keep Delaunay regions whose area is at least n\n\
    PG   - print neighbors of good regions (needs 'QGn' or 'QVn')\n\
    PMn  - keep n Delaunay regions with most merges\n\
    Po   - force output.  If error, output neighborhood of facet\n\
    Pp   - do not report precision problems\n\
\n\
    .    - list of all options\n\
    -    - one line descriptions of all options\n\
"

Definition at line 142 of file qdelaun.c.



libqhull-ours
Author(s): Robert Krug
autogenerated on Mon Jan 6 2014 11:32:11