/* $XConsortium: nurbss1.pi,v 5.2 94/04/17 20:48:55 rws Exp $ */ /***************************************************************** Copyright (c) 1989, 1990, 1991,1990 X Consortium Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. 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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, and the X Consortium, 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. ******************************************************************/ ## nurbss1.pi ## test nurbs surface geometry with trimming curves ## . 1 trim curve consisting of 1 curve ## . 1 trim curve consisting of 2 curves ## . 2 trim curves each consisting of 1 curve source macro.pi tbegintest("nurbss1","nurbs surface geometry with trimming curves"); # initialize: nurbs surface data structures # nurbs surfaces of order u=3,v=4 fa1 = IA_Pfloat(6, 0.0,0.0,0.0,1.0,1.0,1.0); fa2 = IA_Pfloat(8, 0.0,0.0,0.0,0.0,1.0,1.0,1.0,1.0); knots1 = I_Pfloat_list(6,fa1); knots2 = I_Pfloat_list(8,fa2); spts1 = IA_Ppoint3(12, 0.3,0.2,0.0, 0.4,0.25,0.1, 0.5,0.2,0.0, 0.2,0.3,0.1, 0.3,0.35,0.3, 0.4,0.3,0.2, 0.3,0.4,0.0, 0.4,0.45,0.2, 0.5,0.4,0.0, 0.2,0.5,0.2, 0.3,0.55,0.0, 0.4,0.5,0.2); spts2 = IA_Ppoint3(12, 0.7,0.2,0.0, 0.8,0.25,0.1, 0.9,0.2,0.0, 0.6,0.3,0.1, 0.7,0.35,0.3, 0.8,0.3,0.2, 0.7,0.4,0.0, 0.8,0.45,0.2, 0.9,0.4,0.0, 0.6,0.5,0.2, 0.7,0.55,0.0, 0.8,0.5,0.2); spts3 = IA_Ppoint3(12, 0.7,0.6,0.0, 0.8,0.65,0.1, 0.9,0.6,0.0, 0.6,0.7,0.1, 0.7,0.75,0.3, 0.8,0.7,0.2, 0.7,0.8,0.0, 0.8,0.85,0.2, 0.9,0.8,0.0, 0.6,0.9,0.2, 0.7,0.95,0.0, 0.8,0.9,0.2); spts4 = IA_Ppoint3(12, 0.3,0.6,0.0, 0.4,0.65,0.1, 0.5,0.6,0.0, 0.2,0.7,0.1, 0.3,0.75,0.3, 0.4,0.7,0.2, 0.3,0.8,0.0, 0.4,0.85,0.2, 0.5,0.8,0.0, 0.2,0.9,0.2, 0.3,0.95,0.0, 0.4,0.9,0.2); grid1 = I_Ppoint_grid34(3,4,"3D",spts1); grid2 = I_Ppoint_grid34(3,4,"3D",spts2); grid3 = I_Ppoint_grid34(3,4,"3D",spts3); grid4 = I_Ppoint_grid34(3,4,"3D",spts4); characs1 = I_Ppara_surf_characs(3,PCP_UNIFORM,6,9); #. 1 trim curve consisting of 1 curve pts1 = IA_Ppoint(4, 0.35,0.05, 0.95,0.95, 0.25,0.95, 0.35,0.05); tcfa1 = IA_Pfloat(8, 0.0,0.0,0.0,0.0,1.0,1.0,1.0,1.0); tcknots1 = I_Pfloat_list(8,tcfa1); cpts1 = I_Ppoint_list23(4,"2D",pts1); tc1 = I_Ptrimcurve(PEDGE_ON,PNON_RATIONAL,4, PCURV_CONSTANT_PARAMETRIC_BETWEEN_KNOTS,10.0,tcknots1,0.0,1.0,cpts1); tcl1 = I_Ptrimcurve_list(1, &tc1); tclist1 = IA_Ptrimcurve_list(1, tcl1); #. 2 trim curves each consisting of 1 curve pts21 = IA_Ppoint(5, 0.0,0.0, 1.0,0.0, 1.0,1.0, 0.0,1.0, 0.0,0.0); pts22 = IA_Ppoint(4, 0.35,0.05, 0.25,0.95, 0.95,0.95, 0.35,0.05); tcfa21 = IA_Pfloat(7, 0.0,1.0,2.0,3.0,4.0,5.0,6.0); tcfa22 = IA_Pfloat(8, 0.0,0.0,0.0,0.0,1.0,1.0,1.0,1.0); tcknots21 = I_Pfloat_list(8,tcfa21); tcknots22 = I_Pfloat_list(7,tcfa22); cpts21 = I_Ppoint_list23(5,"2D",pts21); cpts22 = I_Ppoint_list23(4,"2D",pts22); tc21 = I_Ptrimcurve(PEDGE_ON,PNON_RATIONAL,2, PCURV_CONSTANT_PARAMETRIC_BETWEEN_KNOTS,10.0,tcknots21,0.0,6.0,cpts21); tc22 = I_Ptrimcurve(PEDGE_ON,PNON_RATIONAL,4, PCURV_CONSTANT_PARAMETRIC_BETWEEN_KNOTS,10.0,tcknots22,0.0,1.0,cpts22); tcl21 = I_Ptrimcurve_list(1, &tc21); tcl22 = I_Ptrimcurve_list(1, &tc22); tclist2 = IA_Ptrimcurve_list(2, tcl21,tcl22); #. 1 trim curve consisting of 2 curves pts31 = IA_Ppoint(3, 0.25,0.25, 0.75,0.25, 0.75,0.75); tcfa31 = IA_Pfloat(6, 0.0,0.0,0.0,1.0,1.0,1.0); tcknots31 = I_Pfloat_list(6,tcfa31); cpts31 = I_Ppoint_list23(3,"2D",pts31); tc31 = I_Ptrimcurve(PEDGE_ON,PNON_RATIONAL,3, PCURV_CONSTANT_PARAMETRIC_BETWEEN_KNOTS,10.0,tcknots31,0.0,1.0,cpts31); pts32 = IA_Ppoint(2, 0.5,0.75, 0.25,0.75, 0.25,0.25); tcfa32 = IA_Pfloat(6, 0.0,0.0,0.0,1.0,1.0,1.0); tcknots32 = I_Pfloat_list(6,tcfa32); cpts32 = I_Ppoint_list23(3,"2D",pts32); tc32 = I_Ptrimcurve(PEDGE_ON,PNON_RATIONAL,3, PCURV_CONSTANT_PARAMETRIC_BETWEEN_KNOTS,10.0,tcknots32,0.0,1.0,cpts32); tc3132 = IA_Ptrimcurve(2,tc31,tc32); tcl3 = I_Ptrimcurve_list(1, tc3132); tclist3 = IA_Ptrimcurve_list(1, tcl3); # setup: open phigs, workstation, open and post a structure i_open_phigs(NULL,0); i_open_x_ws(1,&xdisplay,&xwindow,0,0,200,200); popen_struct(1); pset_int_colr_ind(2); pset_surf_approx(PSURF_CONSTANT_PARAMETRIC_BETWEEN_KNOTS,10.0,10.0); #non-rational pset_para_surf_characs(PSC_ISOPARAMETRIC_CURVES,&characs1); pnuni_bsp_surf(3,4,&knots1,&knots2,PNON_RATIONAL,&grid1,1,tclist1); pnuni_bsp_surf(3,4,&knots1,&knots2,PNON_RATIONAL,&grid2,2,tclist2); pnuni_bsp_surf(3,4,&knots1,&knots2,PNON_RATIONAL,&grid3,1,tclist3); pnuni_bsp_surf(3,4,&knots1,&knots2,PNON_RATIONAL,&grid4,0,NULL); ppost_struct(1,1,1.0); # verify image i_check_image("nurbss1",xdisplay,xwindow,0,0,199,199, "nurbs surface geometry with trimming curves"); i_pause(); tendtest();