qdelaun.c File Reference

#include "libqhull/libqhull.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#include <math.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

isatty()

int isatty

(

int

)

main()

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

Definition at line 255 of file qdelaun.c.

Variable Documentation

hidden_options

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 50 of file qdelaun.c.

qh_prompt2

char qh_prompt2[]

Definition at line 172 of file qdelaun.c.

qh_prompt3

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 211 of file qdelaun.c.

qh_prompta

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 52 of file qdelaun.c.

qh_promptb

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 69 of file qdelaun.c.

qh_promptc

char qh_promptc[]

Definition at line 76 of file qdelaun.c.

qh_promptd

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 109 of file qdelaun.c.

qh_prompte

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\
    -V   - version\n\
"

Definition at line 135 of file qdelaun.c.