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Length: 12474 (0x30ba)
Types: TextFile
Names: »pickmore.c«
└─⟦8648bda34⟧ Bits:30007244 EUUGD5_II: X11R5
└─⟦2ca9b63e1⟧ »./contrib-1/contrib-1.00«
└─⟦a8392fb20⟧
└─⟦this⟧ »contrib/examples/PEX/pickmore.c«
/* $XConsortium: pickmore.c,v 5.1 91/02/16 09:32:42 rws Exp $ */
/***********************************************************
Copyright (c) 1991 by Sun Microsystems, Inc. and the X Consortium.
All Rights Reserved
Permission to use, copy, modify, and distribute this software and its
documentation for any purpose and without fee is hereby granted,
provided that the above copyright notice appear in all copies and that
both that copyright notice and this permission notice appear in
supporting documentation, and that the names of Sun Microsystems,
the X Consortium, and MIT not be used in advertising or publicity
pertaining to distribution of the software without specific, written
prior permission.
SUN MICROSYSTEMS DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT
SHALL SUN MICROSYSTEMS BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL
DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
SOFTWARE.
******************************************************************/
/**
*** Sample pick program to test picking of Cell Arrays, Nurb Surfaces
*** and SOFAS.
***/
#include "phigs/phigs.h"
#define ROWS 5
#define COLUMNS 7
static Plimit viewport = {100.0,500.0,100.0,500.0};
static Ppoint points[5] = {0.01,0.01, 0.01,0.99, 0.99,0.99, 0.99,0.01, 0.01,0.01};
static Ppoint_list line;
static Plimit ea={100.0, 500.0, 100.0, 500.0 };
/* Cell Array Data */
Ppat_rep color_grid;
Pint *colorptr;
static Pparal outline =
{0.1, 0.5, 0.1,
0.5, 0.6, 0.1,
0.1, 0.9, 0.1};
/* Surface Data */
Pint err;
Pint uorder = 4,
vorder = 4;
Pfloat_list uknots,
vknots;
static int unumknots = 20,
vnumknots = 20;
static Pfloat kpts[] = { 1.0, 2.0, 3.0, 4.0, 5.0,
6.0, 7.0, 8.0, 9.0, 10.0,
11.0, 12.0, 13.0, 14.0, 15.0,
16.0, 17.0, 18.0, 19.0, 20.0 };
Prational rationality = PNON_RATIONAL;
Ppoint_grid34 grid;
static Ppoint3 cpts[] = {0.2,0.5,0.2, 0.4,0.5,0.2, 0.6,0.5,0.2, 0.8,0.5,0.2,
0.2,0.5,0.4, 0.4,0.7,0.4, 0.6,0.3,0.4, 0.8,0.5,0.4,
0.2,0.5,0.6, 0.4,0.3,0.6, 0.6,0.7,0.6, 0.8,0.5,0.6,
0.2,0.5,0.8, 0.4,0.5,0.8, 0.6,0.5,0.8, 0.8,0.5,0.8};
Pint curve_approx_type
= PCURV_CONSTANT_PARAMETRIC_BETWEEN_KNOTS;
Pfloat ucurve_approx_tolerance = 10.0,
vcurve_approx_tolerance = 10.0;
/* SOFAS Data */
static Ppoint3 sofa_data[] = {0.2, 0.2, 0.0, /* 0 */
0.4, 0.2, 0.0, /* 1 */
0.6, 0.2, 0.0, /* 2 */
0.8, 0.2, 0.0, /* 3 */
0.2, 0.4, 0.0, /* 4 */
0.4, 0.4, 0.0, /* 5 */
0.6, 0.4, 0.0, /* 6 */
0.8, 0.4, 0.0, /* 7 */
0.2, 0.6, 0.0, /* 8 */
0.4, 0.6, 0.0, /* 9 */
0.6, 0.6, 0.0, /*10 */
0.8, 0.6, 0.0, /*11 */
0.2, 0.8, 0.0, /*12 */
0.4, 0.8, 0.0, /*13 */
0.6, 0.8, 0.0, /*14 */
0.8, 0.8, 0.0 }; /*15 */
Pint fflag = PFACET_NONE; /* data specified per facet */
Pint eflag = PEDGE_NONE; /* data specified per edge */
Pint vflag = PVERT_COORD; /* data specified per vertex */
Pint colour_model = PINDIRECT; /* colour model */
Pint num_sets = 5; /* number of fill area sets */
Pfacet_data_arr3 *fdata; /* facet data */
Pedge_data_list_list *edata; /* array of L(L(E)) edge data */
Pint_list_list vlistlist[5]; /* array of L(L(I)) vertex indices */
Pint_list vlist[5];
static Pint v0[]= { 0, 1, 5, 4 };
static Pint v1[]= { 2, 3, 7, 6 };
static Pint v2[]= { 5, 6, 10, 9 };
static Pint v3[]= { 8, 9, 13, 12 };
static Pint v4[]= {10, 11, 15, 14 };
Pfacet_vdata_list3 vdata; /* facet vertex data */
static Pview_rep viewrep = {
{1.0,0.0,0.0},
{0.0,1.0,0.0},
{0.0,0.0,1.0},
{1.0,0.0,0.0},
{0.0,1.0,0.0},
{0.0,0.0,1.0},
{0.75,1.0,0.75,1.0},
PIND_CLIP
};
Ppoint3 p[5];
Pvec3 xlv;
Pmatrix3 mx;
Pvec3 scale;
Pvec3 shift;
Pint err;
Pfloat xang, yang, zang;
main( argc, argv )
int argc;
char *argv[];
{
Pin_status status;
Pint pet, err, names[5];
Ppick_data drec;
Ppick_path path;
Ppick_path_elem path_els[2];
Pfilter filt;
int i;
/* Set up line */
line.num_points = 5;
line.points = &points[0];
/* Initialize PHIGS and start up */
popen_phigs( (char *)NULL, PDEF_MEM_SIZE );
/* Open a X-tool workstation */
popen_ws( 1, (char *)NULL, phigs_ws_type_x_tool );
pset_ws_vp( 1, &viewport );
/* Initialize Cell Array Data */
color_grid.dims.size_x = COLUMNS;
color_grid.dims.size_y = ROWS;
color_grid.colr_array = (Pint *)malloc(ROWS*COLUMNS*sizeof(Pint));
colorptr = color_grid.colr_array;
for (i=0; i<ROWS*COLUMNS; i++, colorptr++) {
*colorptr = 0;
}
/* Initialize the SOFAS data */
fdata = NULL;
edata = NULL;
/* Initialize the surface data */
grid.num_points.u_dim = 4;
grid.num_points.v_dim = 4;
grid.points.point3d = cpts;
uknots.num_floats = grid.num_points.u_dim + uorder;
uknots.floats = kpts;
vknots.num_floats = grid.num_points.v_dim + vorder;
vknots.floats = kpts;
/* Set up the view 1 for use later */
pset_view_rep(1,1,&viewrep);
/* Build the CSS */
popen_struct( 1 );
plabel( 3 );
pset_pick_id( 4 );
pexec_struct( 2 );
pclose_struct();
popen_struct( 2 );
names[0] = 1;
filt.incl_set.num_ints = 1;
filt.incl_set.ints = names;
padd_names_set( &filt.incl_set );
pset_line_colr_ind(5); /* Set the line color to yellow */
ppolyline( &line ); /* #3 */
pset_surf_approx(curve_approx_type,
ucurve_approx_tolerance, vcurve_approx_tolerance);
pset_int_style(PSTYLE_SOLID);
pset_int_colr_ind(4);
pnuni_bsp_surf( uorder, vorder,
&uknots, &vknots,
rationality,
&grid,
0, NULL); /* #7 */
/*
* third quadrant - hollow
*/
vlistlist[0].num_lists = 1; vlistlist[0].lists = &vlist[0];
vlist[0].num_ints = 4; vlist[0].ints = v0;
vlistlist[1].num_lists = 1; vlistlist[1].lists = &vlist[1];
vlist[1].num_ints = 4; vlist[1].ints = v1;
vlistlist[2].num_lists = 1; vlistlist[2].lists = &vlist[2];
vlist[2].num_ints = 4; vlist[2].ints = v2;
vlistlist[3].num_lists = 1; vlistlist[3].lists = &vlist[3];
vlist[3].num_ints = 4; vlist[3].ints = v3;
vlistlist[4].num_lists = 1; vlistlist[4].lists = &vlist[4];
vlist[4].num_ints = 4; vlist[4].ints = v4;
vdata.num_vertices = 16; vdata.vertex_data.points = sofa_data;
xlv.delta_x = 0.5; xlv.delta_y = 0.5; xlv.delta_z = 0.0;
scale.delta_x = 0.5; scale.delta_y = 0.5; scale.delta_z = 1.0;
xang = 0.0; yang = 0.0; zang = 0.0;
shift.delta_x = -0.25; shift.delta_y = -0.25; shift.delta_z = 0;
pbuild_tran_matrix3( &xlv, &shift, xang, yang, zang,
&scale, &err, mx);
pset_local_tran3(mx, PTYPE_REPLACE);
pset_int_colr_ind(6);
pset_int_style(PSTYLE_HOLLOW);
pset_of_fill_area_set3_data( fflag, eflag, vflag, colour_model,
num_sets,
fdata, edata, vlistlist, &vdata );
/* #11 */
/*
* fourth quadrant - solid
*/
vlistlist[0].num_lists = 1; vlistlist[0].lists = &vlist[0];
vlist[0].num_ints = 4; vlist[0].ints = v0;
vlistlist[1].num_lists = 1; vlistlist[1].lists = &vlist[1];
vlist[1].num_ints = 4; vlist[1].ints = v1;
vlistlist[2].num_lists = 1; vlistlist[2].lists = &vlist[2];
vlist[2].num_ints = 4; vlist[2].ints = v2;
vlistlist[3].num_lists = 1; vlistlist[3].lists = &vlist[3];
vlist[3].num_ints = 4; vlist[3].ints = v3;
vlistlist[4].num_lists = 1; vlistlist[4].lists = &vlist[4];
vlist[4].num_ints = 4; vlist[4].ints = v4;
vdata.num_vertices = 16; vdata.vertex_data.points = sofa_data;
xlv.delta_x = 0.5; xlv.delta_y = 0.5; xlv.delta_z = 0.0;
scale.delta_x = 0.5; scale.delta_y = 0.5; scale.delta_z = 1.0;
xang = 0.0; yang = 0.0; zang = 0.0;
shift.delta_x = 0.25; shift.delta_y = -0.25; shift.delta_z = 0;
pbuild_tran_matrix3( &xlv, &shift, xang, yang, zang,
&scale, &err, mx);
pset_local_tran3(mx, PTYPE_REPLACE);
pset_edgetype(PSTYLE_SOLID);
pset_edge_colr_ind(3);
pset_edgewidth(2.0);
pset_edge_flag(PEDGE_ON);
pset_int_colr_ind(2);
pset_int_style(PSTYLE_SOLID);
pset_of_fill_area_set3_data( fflag, eflag, vflag, colour_model,
num_sets,
fdata, edata, vlistlist, &vdata );
/* #19 */
/*
* first quadrant - clipped
*/
vlistlist[0].num_lists = 1; vlistlist[0].lists = &vlist[0];
vlist[0].num_ints = 4; vlist[0].ints = v0;
vlistlist[1].num_lists = 1; vlistlist[1].lists = &vlist[1];
vlist[1].num_ints = 4; vlist[1].ints = v1;
vlistlist[2].num_lists = 1; vlistlist[2].lists = &vlist[2];
vlist[2].num_ints = 4; vlist[2].ints = v2;
vlistlist[3].num_lists = 1; vlistlist[3].lists = &vlist[3];
vlist[3].num_ints = 4; vlist[3].ints = v3;
vlistlist[4].num_lists = 1; vlistlist[4].lists = &vlist[4];
vlist[4].num_ints = 4; vlist[4].ints = v4;
vdata.num_vertices = 16; vdata.vertex_data.points = sofa_data;
xlv.delta_x = 0.5; xlv.delta_y = 0.5; xlv.delta_z = 0.0;
scale.delta_x = 0.5; scale.delta_y = 0.5; scale.delta_z = 1.0;
xang = 0.0; yang = 0.0; zang = 0.0;
shift.delta_x = 0.25; shift.delta_y = 0.25; shift.delta_z = 0;
pbuild_tran_matrix3( &xlv, &shift, xang, yang, zang,
&scale, &err, mx);
pset_local_tran3(mx, PTYPE_REPLACE);
pset_view_ind(1);
pset_int_colr_ind(7);
pset_of_fill_area_set3_data( fflag, eflag, vflag, colour_model,
num_sets,
fdata, edata, vlistlist, &vdata );
/* #23 */
xlv.delta_x = 0.5; xlv.delta_y = 0.5; xlv.delta_z = 0.0;
scale.delta_x = 0.5; scale.delta_y = 0.5; scale.delta_z = 1.0;
xang = 0.0; yang = 0.0; zang = 0.0;
shift.delta_x = -0.20; shift.delta_y = 0.10; shift.delta_z = 0;
pbuild_tran_matrix3( &xlv, &shift, xang, yang, zang,
&scale, &err, mx);
pset_local_tran3(mx, PTYPE_REPLACE);
pset_view_ind(0);
pset_line_colr_ind(1); /* Set the line color to white */
pcell_array3(&outline,&color_grid);
/* #27 */
pclose_struct();
/* Post the structure */
ppost_struct( 1, 1, 1.0 );
/* Make everything detectable */
if (argc == 1) {
names[0] = 1;
filt.incl_set.num_ints = 1;
filt.incl_set.ints = names;
filt.excl_set.num_ints = 0;
filt.excl_set.ints = (Pint *)NULL;
pset_pick_filter( 1, 1, &filt );
/* Initialize and enable the Pick device */
path.depth = 0;
path.path_list = path_els;
pet =1;
pinit_pick( 1, 1, PIN_STATUS_NONE, &path, pet, &ea, &drec, PORDER_TOP_FIRST );
pset_pick_mode( 1, 1, POP_REQ, PSWITCH_NO_ECHO );
/* Set up a Picking Loop */
printf ("Type '^c' to quit; else keep picking:\n");
while (1) {
/* Request Pick */
status = PIN_STATUS_NONE;
preq_pick(1, 1, 2, &status, &path);
/* Check if anything got picked; if so, print it */
if (status == PIN_STATUS_OK) {
printf ("Path depth = %d\n", path.depth);
for (i=0; i<path.depth; i++) {
printf ("Structure ID = %d\n", path.path_list[i].struct_id);
printf ("Pick ID = %d\n", path.path_list[i].pick_id);
printf ("Element Number = %d\n", path.path_list[i].elem_pos);
}
printf ("\n");
}
else {
printf ("Nothing detected ! !\n");
printf ("\n");
}
}
}
/* Close up */
pclose_ws( 1 );
pclose_phigs();
}