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Comparing ray/src/util/evalglare.c (file contents):
Revision 2.6 by greg, Thu May 18 02:25:27 2017 UTC vs.
Revision 3.07 by greg, Tue Sep 16 15:43:14 2025 UTC

#	Line 1 | Line 1
1		#ifndef lint
2	<	static const char RCSid[] = "$Id$";
2	>	static const char RCSid[] = "$Id$";
3		#endif
4	<	/* EVALGLARE V2.00
5	<	* Evalglare Software License, Version 2.0
4	>	/* EVALGLARE V3.05
5	>	* Evalglare Software License, Version 3.0x
6		*
7	<	* Copyright (c) 1995 - 2016 Fraunhofer ISE, EPFL.
7	>	* Copyright (c) 1995 - 2022 Fraunhofer ISE, EPFL.
8		* All rights reserved.
9		*
10		*
#	Line 317 | Line 317 | changed masking threshold to 0.05 cd/m2
317		/* evalglare.c, v2.01 2016/11/16  change of -2 option (now -2 dir_illum). External provision of the direct illuminance necessary, since the sun interpolation of daysim is causing problems in calculation of the background luminance.
318		*/
319		/* evalglare.c, v2.02 2017/02/28  change of warning message, when invalid exposure setting is found. Reason: tab removal is not in all cases the right measure - it depends which tool caused the invalid exposure entry   */
320	<
320	>
321	>	/* evalglare.c, v2.03 2017/08/04  ad of -O option - disk replacement by providing luminance, not documented
322	>	*/
323	>
324	>	/* evalglare.c, v2.04 2017/08/04  adding -q option: use of Ev/pi as background luminance. not documented. no combination with -n option!!!
325	>	*/
326	>
327	>	/* evalglare.c, v2.05 2018/08/28  change of the -q option for the choice of the background luminance calculation mode: 0: CIE method (Ev-Edir)/pi, 1: mathematical correct average background luminance, 2: Ev/pi.
328	>	change of default options:
329	>	- cosinus weighted calculation of the background luminance (according to CIE) is now default.
330	>	- absolute threshold for the glare source detection is now default (2000cd/m2), based on study of C. Pierson
331	>	*/
332	>
333	>	/* evalglare.c, v2.06 2018/08/29
334	>	change of default value of multiplier b to 5.0, if task options (-t or -T ) are activated AND -b NOT used. To be downward compatible when using the task method.
335	>	*/
336	>
337	>	/* evalglare.c, v2.07 2018/11/17
338	>	bugfix: correction of error in the equations of PGSV_con and PGSV_sat
339	>	all three PGSV equations are calculated now
340	>	illuminance from the masking area (E_v_mask) is also printed
341	>	bugfix: in VCPs error fuction equation, value of 6.347 replaced by 6.374
342	>	*/
343	>
344	>	/* evalglare.c, v2.08 2018/11/27
345	>	bugfix: checkroutine for same image size for the masking corrected
346	>	*/
347	>
348	>	/* evalglare.c, v2.09 2019/01/18
349	>	calculate "illuminance-contribution of zones"
350	>	-switch to turn off low-light correction: 4
351	>	*/
352	>
353	>	/* evalglare.c, v2.10 2019/07/30, 2020/06/25
354	>	-add multiimage-mode for annual glare evaluation -Q
355	>	-extra output for multiimage mode
356	>	2020/06/22 - added Ev contribution from each glare source as output to the multiimage mode
357	>	-switch for correction modes (-C), value of 0 switches off all corrections
358	>	*/
359	>
360	>
361	>	/* evalglare.c, v2.11  2020/07/06
362	>	-add extra output for DGP-contribution in -d mode
363	>	-fix (remove) 1 pixel offset of the mulltiimage-mode
364	>	*/
365	>
366	>	/* evalglare.c, v2.12  2021/07/19
367	>	-bugfix: center of glare source calculation now based on l*omega weighting, before it was just on omega.
368	>	*/
369	>
370	>	/* evalglare.c, v2.13  2021/07/21
371	>	- center of glare source calculation now based on l*l*omega weighting.
372	>	- bugfix: Position-index below line of sight is now corrected and based on the modified equation from Iwata and Osterhaus 2010
373	>	*/
374	>
375	>	/* evalglare.c, v2.14  2021/10/20
376	>	- center of glare source calculation now based on l*omega weighting.
377	>	- adding UGP2 equation to the output
378	>	- new default setting: low-light correction off !
379	>	*/
380	>
381	>	/* evalglare.c, v3.0  2021/12/24
382	>	- adding patch-mode (-z patchangle combineflag ) as glare source grouping method
383	>	*/
384	>
385	>	/* evalglare.c, v3.01  2022/01/05
386	>	- change of multi-image-mode. Adding extra scans with scaled image
387	>	syntax now: -Q n_images n_extrascans_per_image n_images*( imagename x y  n_extrascans*(scale) )
388	>	*/
389	>	/* evalglare.c, v3.02  2022/02/11
390	>	- correction of position index below line of sight after Takuro Kikuchi's comments in radiance-discourse from Dec 2021.
391	>	*/
392	>
393	>	/* evalglare.c, v3.03  2022/03/18, 2024/06/25
394	>	- add no pixels output for zonal analysis.
395	>
396	>	/* evalglare.c, v3.04  2023/09/01
397	>	- test version to include peripherical dependency, changes not (yet) used for following versions
398	>
399	>	/* evalglare.c, v3.05  2024/06/25
400	>	- fix bug of still having lowlight correction even if turned off
401	>	- changing abs_max,Lveil from float to double
402	>	*/
403	>
404	>
405		#define EVALGLARE
406		#define PROGNAME "evalglare"
407	<	#define VERSION "2.02 release 28.02.2017 by EPFL, J.Wienold"
407	>	#define VERSION "3.05 release 25.06.2024 by J.Wienold, EPFL"
408		#define RELEASENAME PROGNAME " " VERSION
409
410
#	Line 331 | Line 415 | changed masking threshold to 0.05 cd/m2
415		#include "platform.h"
416		#include "muc_randvar.h"
417
334	–	char *progname;
335	–
418		/* subroutine to add a pixel to a glare source */
419		void add_pixel_to_gs(pict * p, int x, int y, int gsn)
420		{
421		double old_av_posx, old_av_posy, old_av_lum, old_omega, act_omega,
422	<	new_omega, act_lum;
422	>	new_omega, act_lum,temp_av_posx,temp_av_posy,av_lum;
423
424
425		pict_get_npix(p, gsn) = pict_get_npix(p, gsn) + 1;
#	Line 349 | Line 431 | void add_pixel_to_gs(pict * p, int x, int y, int gsn)
431		act_omega = pict_get_omega(p, x, y);
432		act_lum = luminance(pict_get_color(p, x, y));
433		new_omega = old_omega + act_omega;
434	<	pict_get_av_posx(p, gsn) =
435	<	(old_av_posx * old_omega + x * act_omega) / new_omega;
436	<	pict_get_av_posy(p, gsn) =
437	<	(old_av_posy * old_omega + y * act_omega) / new_omega;
434	>	pict_get_av_lum(p, gsn) =
435	>	(old_av_lum * old_omega + act_lum * act_omega) / new_omega;
436	>
437	>	av_lum=pict_get_av_lum(p, gsn);
438	>	temp_av_posx =
439	>	(old_av_posx *  old_omega* old_av_lum + x * act_omega*act_lum) / (old_av_lum*old_omega + act_lum* act_omega );
440	>	pict_get_av_posx(p, gsn) = temp_av_posx;
441	>	temp_av_posy =
442	>	(old_av_posy *  old_omega* old_av_lum + y * act_omega*act_lum) / (old_av_lum*old_omega + act_lum* act_omega );
443	>
444	>	pict_get_av_posy(p, gsn) = temp_av_posy;
445		if (isnan((pict_get_av_posx(p, gsn))))
446		fprintf(stderr,"error in add_pixel_to_gs %d %d %f %f %f %f\n", x, y, old_av_posy, old_omega, act_omega, new_omega);
447
359	–	pict_get_av_lum(p, gsn) =
360	–	(old_av_lum * old_omega + act_lum * act_omega) / new_omega;
448		pict_get_av_omega(p, gsn) = new_omega;
449		pict_get_gsn(p, x, y) = gsn;
450		if (act_lum < pict_get_lum_min(p, gsn)) {
#	Line 731 | Line 818 | void add_secondary_gs(pict * p, int x, int y, float r,
818		void split_pixel_from_gs(pict * p, int x, int y, int new_gsn, int uniform_gs, double u_r, double u_g , double u_b)
819		{
820		int old_gsn, icol;
821	<	double old_av_posx, old_av_posy, old_av_lum, old_omega, act_omega,
822	<	new_omega, act_lum;
821	>	double old_av_posx, old_av_posy, old_av_lum, old_omega, act_omega, delta_E,
822	>	new_omega, act_lum,temp_av_posx,temp_av_posy,av_lum;
823
824
825		/* change existing gs */
#	Line 743 | Line 830 | void split_pixel_from_gs(pict * p, int x, int y, int n
830		old_av_posx = pict_get_av_posx(p, old_gsn);
831		old_av_posy = pict_get_av_posy(p, old_gsn);
832		old_omega = pict_get_av_omega(p, old_gsn);
833	+
834	+
835	+
836
837		new_omega = old_omega - act_omega;
838		pict_get_av_omega(p, old_gsn) = new_omega;
749	–	pict_get_av_posx(p, old_gsn) =
750	–	(old_av_posx * old_omega - x * act_omega) / new_omega;
751	–	pict_get_av_posy(p, old_gsn) =
752	–	(old_av_posy * old_omega - y * act_omega) / new_omega;
839
754	–
840		act_lum = luminance(pict_get_color(p, x, y));
841		old_av_lum = pict_get_av_lum(p, old_gsn);
842		pict_get_av_lum(p, old_gsn) =
843		(old_av_lum * old_omega - act_lum * act_omega) / new_omega;
844	+
845	+	av_lum = pict_get_av_lum(p, old_gsn);
846	+	temp_av_posx =
847	+	(old_av_posx *old_av_lum* old_omega  - x *act_lum* act_omega ) / (old_av_lum*old_omega  - act_lum* act_omega);
848	+
849	+	pict_get_av_posx(p, old_gsn) = temp_av_posx;
850	+	temp_av_posy =
851	+	(old_av_posy *old_av_lum* old_omega - y *act_lum* act_omega ) / (old_av_lum*old_omega  - act_lum* act_omega);
852	+	pict_get_av_posy(p, old_gsn) = temp_av_posy;
853	+
854		/* add pixel to new  gs */
855
856		add_pixel_to_gs(p, x, y, new_gsn);
857
858	+
859	+
860	+
861		/* color pixel of new gs */
862
863		/*      icol = setglcolor(p, x, y, new_gsn, uniform_gs, u_r, u_g , u_b); */
#	Line 771 | Line 869 | void split_pixel_from_gs(pict * p, int x, int y, int n
869		float get_posindex(pict * p, float x, float y, int postype)
870		{
871		float posindex;
872	<	double teta, phi, sigma, tau, deg, d, s, r, fact;
872	>	double teta, beta, phi, sigma, tau, deg, d, s, r, fact;
873
874
875		pict_get_vangle(p, x, y, p->view.vdir, p->view.vup, &phi);
#	Line 799 | Line 897 | float get_posindex(pict * p, float x, float y, int pos
897		/* KIM  model */
898		posindex = exp ((sigma-(-0.000009*tau*tau*tau+0.0014*tau*tau+0.0866*tau+21.633))/(-0.000009*tau*tau*tau+0.0013*tau*tau+0.0853*tau+8.772));
899		}else{
900	+
901		/* Guth model, equation from IES lighting handbook */
902		posindex =
903		exp((35.2 - 0.31889 * tau -
#	Line 807 | Line 906 | float get_posindex(pict * p, float x, float y, int pos
906		0.002963 * tau *
907		tau) / 100000 *
908		sigma * sigma);
810	–	/* below line of sight, using Iwata model */
811	–	if (phi < 0) {
812	–	d = 1 / tan(phi);
813	–	s = tan(teta) / tan(phi);
814	–	r = sqrt(1 / d * 1 / d + s * s / d / d);
815	–	if (r > 0.6)
816	–	fact = 1.2;
817	–	if (r > 3) {
818	–	fact = 1.2;
819	–	r = 3;
820	–	}
909
910	<	posindex = 1 + fact * r;
910	>	/* below line of sight, using Iwata model, CIE2010, converted coordinate system according to Takuro Kikuchi */
911	>
912	>	if (phi < 0) {
913	>	beta = atan(tan(sigma/deg)* sqrt(1 + 0.3225 * pow(cos(tau/deg),2))) * deg;
914	>	posindex = exp(6.49 / 1000 * beta + 21.0 / 100000 * beta * beta);
915	>
916		}
917	+
918		if (posindex > 16)
919		posindex = 16;
920		}
#	Line 1114 | Line 1208 | get_dgp(pict * p, double E_v, int igs, double a1, doub
1208		pict_get_av_posy(p, i),
1209		posindex_2),
1210		a4) * pow(pict_get_av_omega(p, i), a2);
1211	<	/*                      printf("i,sum_glare %i %f\n",i,sum_glare);*/
1211	>	/*printf("i,sum_glare %i %f\n",i,sum_glare);    */
1212		}
1213		}
1214		dgp =
#	Line 1172 | Line 1266 | float get_vcp(float dgr )
1266		{
1267		float vcp;
1268
1269	<	vcp = 50 * erf((6.347 - 1.3227 * log(dgr)) / 1.414213562373) + 50;
1269	>	vcp = 50 * erf((6.374 - 1.3227 * log(dgr)) / 1.414213562373) + 50;
1270		if (dgr > 750) {
1271		vcp = 0;
1272		}
#	Line 1268 | Line 1362 | float get_ugp(pict * p, double lum_backg, int igs, int
1362		return ugp;
1363
1364		}
1365	+	/* subroutine for the calculation of the updated unified glare probability (Hirning 2016)*/
1366	+	float get_ugp2(pict * p, double lum_backg, int igs, int posindex_2)
1367	+	{
1368	+	float ugp;
1369	+	double sum_glare,ugp2;
1370	+	int i, i_glare;
1371
1372
1373	+	sum_glare = 0;
1374	+	i_glare = 0;
1375	+	for (i = 0; i <= igs; i++) {
1376	+
1377	+	if (pict_get_npix(p, i) > 0) {
1378	+	i_glare = i_glare + 1;
1379	+	sum_glare +=
1380	+	pow(pict_get_av_lum(p, i) /
1381	+	get_posindex(p, pict_get_av_posx(p, i),
1382	+	pict_get_av_posy(p, i), posindex_2),
1383	+	2) * pict_get_av_omega(p, i);
1384	+
1385	+	}
1386	+	}
1387	+	ugp2 = 1/pow(1.0+2.0/7.0*pow(sum_glare/lum_backg,-0.2),10.0);
1388	+
1389	+	return ugp2;
1390	+
1391	+	}
1392	+
1393	+
1394		/* subroutine for the calculation of the disability glare according to Poynter */
1395		float get_disability(pict * p, double lum_backg, int igs)
1396		{
#	Line 1343 | Line 1464 | float get_cgi(pict * p, double E_v, double E_v_dir, in
1464		return cgi;
1465		}
1466
1467	<	/* subroutine for the calculation of the PGSV; is only applied, when masking is done, since it refers only to the window. Important: masking area must be the window! */
1468	<	float get_pgsv(double E_v, double E_mask,double omega_mask,double lum_mask_av)
1467	>
1468	>
1469	>	/* subroutine for the calculation of the PGSV_con; is only applied, when masking is done, since it refers only to the window. Important: masking area must be the window! */
1470	>	float get_pgsv_con(double E_v, double E_mask,double omega_mask,double lum_mask_av, double Lavg)
1471		{
1472	<	float pgsv;
1472	>	float pgsv_con;
1473		double Lb;
1474
1475	<	Lb = (E_v-E_mask)/1.414213562373;
1475	>	/*        Lb = (E_v-E_mask)/3.14159265359;  */
1476	>	/*        Lb = (2*E_v-lum_mask_av*omega_mask)/(2*3.14159265359-omega_mask); */
1477	>	Lb = (2*3.14159265359*Lavg-lum_mask_av*omega_mask)/(2*3.14159265359-omega_mask);
1478
1354	–	pgsv =3.2*log10(lum_mask_av)-0.64*log10(omega_mask)+(0.79*log10(omega_mask)-0.61)*log10(Lb)-8.2 ;
1479
1480	+	pgsv_con =3.2*log10(lum_mask_av)-0.64*log10(omega_mask)+(0.79*log10(omega_mask)-0.61)*log10(Lb)-8.2 ;
1481
1482	<	return pgsv;
1482	>
1483	>	return pgsv_con;
1484		}
1485
1486		/* subroutine for the calculation of the PGSV_saturation; is only applied, when masking is done, since it refers only to the window. Important: masking area must be the window! */
#	Line 1362 | Line 1488 | float get_pgsv_sat(double E_v)
1488		{
1489		float pgsv_sat;
1490
1491	<	pgsv_sat =3.3-(0.57+3.3)/pow((1+E_v/1.414213562373/1250),1.7);
1491	>	pgsv_sat =3.3-(0.57+3.3)/(1+pow(E_v/3.14159265359/1250,1.7));
1492
1493
1494		return pgsv_sat;
1495		}
1496
1497	+	/* subroutine for the calculation of the PGSV; is only applied, when masking is done, since it refers only to the window. Important: masking area must be the window! */
1498
1499	+	float get_pgsv(double E_v, double E_mask,double omega_mask,double lum_mask_av,double Ltask, double Lavg)
1500	+	{
1501	+	float pgsv;
1502	+	double Lb;
1503
1504	+	/*        Lb = (E_v-E_mask)/3.14159265359;  */
1505	+	/*        Lb = (2*E_v-lum_mask_av*omega_mask)/(2*3.14159265359-omega_mask); */
1506	+	Lb = (2*3.14159265359*Lavg-lum_mask_av*omega_mask)/(2*3.14159265359-omega_mask);
1507	+
1508	+	if (Lb==0.0 ) {
1509	+	fprintf(stderr,  " warning: Background luminance is 0 or masking area = full image! pgsv cannot be calculated (set to -99)!!\n");
1510	+	pgsv=-99;
1511	+	}else{
1512	+	if ( (lum_mask_av/Lb) > (E_v/(3.14159265359*Ltask))) {
1513	+	pgsv=get_pgsv_con(E_v,E_mask,omega_mask,lum_mask_av, Lavg);
1514	+	}else{
1515	+	pgsv=get_pgsv_sat(E_v)  ;
1516	+	}}
1517	+	return pgsv;
1518
1519	+	}
1520	+
1521	+
1522	+
1523		#ifdef  EVALGLARE
1524
1525
#	Line 1380 | Line 1529 | float get_pgsv_sat(double E_v)
1529
1530		int main(int argc, char **argv)
1531		{
1532	<	#define CLINEMAX 4095 /* memory allocated for command line string */
1532	>	#define CLINEMAX 999999999 /* memory allocated for command line string */
1533		pict *p = pict_create();
1534		pict *pm = pict_create();
1535	<	int     skip_second_scan,calcfast,age_corr,cut_view,cut_view_type,calc_vill, output, detail_out2, x1,y1, fill, yfillmax, yfillmin,
1536	<	ext_vill, set_lum_max, set_lum_max2, img_corr,x_disk,y_disk,task_color, i_splitstart,zones,act_gsn,splitgs,
1537	<	i_split, posindex_2, task_lum, checkfile, rval, i, i_max, x, y,x2,y2,x_zone,y_zone, i_z1, i_z2,
1535	>	pict *pcoeff = pict_create();
1536	>	int     add,i1,i2,y_lines,ix_offset,x_offset,y_offset, patchmode,ix, iy, patch_pixdistance_x, patch_pixdistance_y,nx_patch,ny_patch, lowlight,skip_second_scan,
1537	>	calcfast,age_corr,cut_view,cut_view_type,calc_vill, output, detail_out2, x1,y1, fill, yfillmax, yfillmin,
1538	>	ext_vill, set_lum_max, set_lum_max2, img_corr,x_disk,y_disk,task_color, i_splitstart,zones,act_gsn,splitgs,j,jj,multi_image_mode,
1539	>	i_split, posindex_2, task_lum, checkfile, rval, i, i_max, x, y,x2,y2,x_zone,y_zone, i_z1, i_z2, thres_activate,num_images,xmap,ymap,
1540		igs, actual_igs, lastpixelwas_gs, icol, xt, yt, change,checkpixels, before_igs, sgs, splithigh,uniform_gs,x_max, y_max,y_mid,
1541	<	detail_out, posindex_picture, non_cos_lb, rx, ry, rmx,rmy,apply_disability,band_calc,band_color,masking,i_mask,no_glaresources,force;
1542	<	double  lum_total_max,age_corr_factor,age,dgp_ext,dgp,low_light_corr,omega_cos_contr, setvalue, lum_ideal, E_v_contr, sigma,om,delta_E,
1543	<	E_vl_ext, lum_max, new_lum_max, r_center, ugp, ugr_exp, dgi_mod,lum_a, pgsv,E_v_mask,pgsv_sat,angle_disk,dist,n_corner_px,zero_corner_px,
1541	>	detail_out, posindex_picture, non_cos_lb, rx, ry,lastpixelwas_peak, rmx,rmy,apply_disability,band_calc,band_color,masking,i_mask,no_glaresources,force,num_scans;
1542	>	double  abs_max,Lveil,xxx,angle_v,angle_h,patch_angle, r_contrast,r_dgp,r_glare,sum_glare, LUM_replace,lum_total_max,age_corr_factor,age,dgp_ext,dgp,low_light_corr,omega_cos_contr, setvalue,
1543	>	lum_ideal, E_v_contr, sigma,om,delta_E,
1544	>	E_vl_ext, lum_max, new_lum_max, r_center, ugp,ugp2, ugr_exp, dgi_mod,lum_a, E_v_mask,angle_disk,dist,n_corner_px,zero_corner_px,
1545		search_pix, a1, a2, a3, a4, a5, c3, c1, c2, r_split, max_angle,r_actual,lum_actual,dir_ill,
1546	<	omegat, sang, E_v, E_v2, E_v_dir, avlum, act_lum, ang, angle_z1, angle_z2,per_95_band,per_75_band,pos,
1546	>	omegat, sang,Ez1,Ez2, E_v, E_v2, E_v_dir, avlum, act_lum, ang, angle_z1, angle_z2,per_95_band,per_75_band,pos,
1547		l_max, lum_backg, lum_backg_cos, omega_sources, lum_sources,per_75_mask,per_95_mask,per_75_z1,per_95_z1,per_75_z2,per_95_z2,
1548		lum, lum_source,teta,Lveil_cie,Lveil_cie_sum,disability_thresh,u_r,u_g,u_b,band_angle,band_avlum,
1549		lum_mask[1],lum_mask_av,lum_mask_std[1],lum_mask_median[1],omega_mask,bbox[2],
#	Line 1399 | Line 1551 | int main(int argc, char **argv)
1551		lum_z1[1],lum_z1_av,lum_z1_std[1],lum_z1_median[1],omega_z1,bbox_z1[2],
1552		lum_z2[1],lum_z2_av,lum_z2_std[1],lum_z2_median[1],omega_z2,bbox_z2[2],
1553		lum_pos[1],lum_nopos_median[1],lum_pos_median[1],lum_pos2_median[1],lum_pos_mean,lum_pos2_mean;
1554	<	float lum_task, lum_thres, dgi,  vcp, cgi, ugr, limit, dgr,
1555	<	abs_max, Lveil;
1404	<	char maskfile[500],file_out[500], file_out2[500], version[500];
1554	>	float lum_task, lum_thres, dgi,  vcp, cgi, ugr, limit, dgr,pgsv ,pgsv_sat,pgsv_con;
1555	>	char maskfile[500],file_out[500], file_out2[500], version[500],correction_type[500];
1556		char *cline;
1557	+	char** temp_image_name;
1558	+	int *x_temp_img, *y_temp_img;
1559	+	double *scale_image_scans;
1560	+	int *new_gs_number = NULL;
1561		VIEW userview = STDVIEW;
1562		int gotuserview = 0;
1563	+
1564		struct muc_rvar* s_mask;
1565		s_mask = muc_rvar_create();
1566		muc_rvar_set_dim(s_mask, 1);
#	Line 1439 | Line 1595 | int main(int argc, char **argv)
1595		muc_rvar_clear(s_posweight2);
1596
1597		/*set required user view parameters to invalid values*/
1598	<	dir_ill=0.0;
1598	>	patchmode=0;
1599	>	patch_angle=25.0;
1600	>	patch_pixdistance_x=0;
1601	>	patch_pixdistance_y=0;
1602	>	lowlight=0;
1603	>	multi_image_mode=0;
1604	>	lastpixelwas_peak=0;
1605	>	num_images=0;
1606	>	dir_ill=0.0;
1607		delta_E=0.0;
1608		no_glaresources=0;
1609		n_corner_px=0;
#	Line 1461 | Line 1625 | int main(int argc, char **argv)
1625		lum_band_av = 0.0;
1626		omega_band = 0.0;
1627		pgsv = 0.0 ;
1628	+	pgsv_con = 0.0 ;
1629		pgsv_sat = 0.0 ;
1630		E_v_mask = 0.0;
1631	+	Ez1 = 0.0;
1632	+	Ez2 = 0.0;
1633		lum_z1_av = 0.0;
1634		omega_z1 = 0.0;
1635		lum_z2_av = 0.0;
#	Line 1502 | Line 1669 | int main(int argc, char **argv)
1669		omega_cos_contr = 0.0;
1670		lum_ideal = 0.0;
1671		max_angle = 0.2;
1672	<	lum_thres = 5.0;
1672	>	lum_thres = 2000.0;
1673	>	lum_task = 0.0;
1674		task_lum = 0;
1675		sgs = 0;
1676		splithigh = 1;
#	Line 1520 | Line 1688 | int main(int argc, char **argv)
1688		c1 = 5.87e-05;
1689		c2 = 0.092;
1690		c3 = 0.159;
1691	<	non_cos_lb = 1;
1691	>	non_cos_lb = 0;
1692		posindex_2 = 0;
1693		task_color = 0;
1694		limit = 50000.0;
#	Line 1528 | Line 1696 | int main(int argc, char **argv)
1696		set_lum_max2 = 0;
1697		img_corr=0;
1698		abs_max = 0;
1699	<	progname = argv[0];
1699	>	fixargv0(argv[0]);
1700		E_v_contr = 0.0;
1701	<	strcpy(version, "1.19 release 09.12.2015 by J.Wienold");
1701	>	strcpy(version, "3.05 release 25.06.2024 by J.Wienold");
1702		low_light_corr=1.0;
1703		output = 0;
1704		calc_vill = 0;
#	Line 1542 | Line 1710 | int main(int argc, char **argv)
1710		omega_mask=0.0;
1711		i_mask=0;
1712		actual_igs=0;
1713	+	LUM_replace=0;
1714	+	thres_activate=0;
1715		/* command line for output picture*/
1716
1717	<	cline = (char *) malloc(CLINEMAX+1);
1717	>	cline = (char *) malloc(CLINEMAX+100);
1718		cline[0] = '\0';
1719		for (i = 0; i < argc; i++) {
1720		/*       fprintf(stderr, "%d %d \n",i,strlen(argv[i]));*/
#	Line 1592 | Line 1762 | int main(int argc, char **argv)
1762		break;
1763		case 'b':
1764		lum_thres = atof(argv[++i]);
1765	+	lum_source =lum_thres;
1766	+	thres_activate = 1;
1767		break;
1768		case 'c':
1769		checkfile = 1;
#	Line 1606 | Line 1778 | int main(int argc, char **argv)
1778		case 'r':
1779		max_angle = atof(argv[++i]);
1780		break;
1781	+	case 'z':
1782	+	patch_angle = atof(argv[++i]);
1783	+	patchmode= atoi(argv[++i]);
1784	+	if ( patchmode == 3) { output=4;}
1785	+
1786	+	/* patchmode = 0 : deactivated; patchmode =1: patch without combining, normal output; patchmode =3: patch without combining, coefficient output; patchmode =2 patch with combining (not yet implemented...) */
1787	+	break;
1788	+
1789		case 's':
1790		sgs = 1;
1791		break;
#	Line 1680 | Line 1860 | int main(int argc, char **argv)
1860		strcpy(file_out2, argv[++i]);
1861		/*                      printf("max lum set to %f\n",new_lum_max);*/
1862		break;
1863	+	case 'O':
1864	+	img_corr = 1;
1865	+	set_lum_max2 = 3;
1866	+	x_disk = atoi(argv[++i]);
1867	+	y_disk = atoi(argv[++i]);
1868	+	angle_disk = atof(argv[++i]);
1869	+	LUM_replace = atof(argv[++i]);
1870	+	strcpy(file_out2, argv[++i]);
1871	+	/*                      printf("max lum set to %f\n",new_lum_max);*/
1872	+	break;
1873
1874	<	case 'n':
1874	>
1875	>	/* deactivated          case 'n':
1876		non_cos_lb = 0;
1877		break;
1878	+	*/
1879	+	case 'q':
1880	+	non_cos_lb = atoi(argv[++i]);
1881	+	break;
1882
1883		case 't':
1884		task_lum = 1;
#	Line 1748 | Line 1943 | int main(int argc, char **argv)
1943		/*case 'v':
1944		printf("evalglare  %s \n",version);
1945		exit(1); */
1946	+	case 'C':
1947	+	strcpy(correction_type,argv[++i]);
1948	+
1949	+	if (!strcmp(correction_type,"l-")  ){
1950	+	/*      printf("low light off!\n"); */
1951	+	lowlight = 0; }
1952	+	if (!strcmp(correction_type,"l+")  ){
1953	+	/*      printf("low light on!\n"); */
1954	+	lowlight = 1; }
1955	+	if (!strcmp(correction_type,"0")  ){
1956	+	/*      printf("all corrections off!\n"); */
1957	+	lowlight = 0; }
1958	+
1959	+	break;
1960
1961	+	/*case 'v':
1962	+	printf("evalglare  %s \n",version);
1963	+	exit(1); */
1964	+
1965		case '1':
1966		output = 1;
1967		break;
#	Line 1756 | Line 1969 | int main(int argc, char **argv)
1969		output = 2;
1970		dir_ill = atof(argv[++i]);
1971		break;
1972	<
1972	>	case '3':
1973	>	output = 3;
1974	>	break;
1975	>	case '4':
1976	>	lowlight = 0;
1977	>	break;
1978	>	case 'Q':
1979	>	multi_image_mode=1;
1980	>	output= 3;
1981	>	calcfast=1;
1982	>	num_images =atoi(argv[++i]);
1983	>	num_scans =atoi(argv[++i]);
1984	>	temp_image_name = malloc(sizeof(char*)*num_images);
1985	>
1986	>	x_temp_img=(int *) malloc(sizeof(int) * num_images);
1987	>	y_temp_img=(int *) malloc(sizeof(int) * num_images);
1988	>	scale_image_scans=(double *) malloc(sizeof(double) * (num_scans+1)*num_images);
1989	>	/* iterate through all images and allocate 256 characters to each: */
1990	>	for (j = 0; j < num_images; j++) {
1991	>	scale_image_scans[j*(num_scans+1)]=1.0;
1992	>	temp_image_name[j] = malloc(256*sizeof(char));
1993	>	strcpy(temp_image_name[j], argv[++i]);
1994	>	x_temp_img[j] = atoi(argv[++i]);
1995	>	y_temp_img[j] = atoi(argv[++i]);
1996	>	for (jj=1;jj<=num_scans;jj++){
1997	>	scale_image_scans[j*(num_scans+1)+jj]=atof(argv[++i]);}
1998	>	}
1999	>
2000	>
2001	>	break;
2002		case 'v':
2003		if (argv[i][2] == '\0') {
2004		printf("%s \n",RELEASENAME);
#	Line 1785 | Line 2027 | int main(int argc, char **argv)
2027		}
2028		}
2029
2030	+	/* set multiplier for task method to 5, if not specified */
2031	+
2032	+
2033	+
2034	+	if ( task_lum == 1 && thres_activate == 0){
2035	+	lum_thres = 5.0;
2036	+	}
2037		/*fast calculation, if gendgp_profile is used: No Vertical illuminance calculation, only dgp is calculated*/
2038
2039		if (output == 1 && ext_vill == 1 ) {
#	Line 1849 | Line 2098 | if (masking ==1 && zones >0) {
2098		exit(1);
2099		}
2100
2101	+	if ( patchmode > 0 && p->view.type != VT_ANG) {
2102	+
2103	+	fprintf(stderr, "error: Patchmode only possible with view type vta  !  Stopping... \n");
2104	+	exit(1);
2105	+
2106	+	}
2107	+
2108	+
2109		if (p->view.type == VT_PER) {
2110		fprintf(stderr, "warning: image has perspective view type specified in header ! \n");
2111		}
2112
2113		if (masking == 1) {
2114
2115	<	if (!pict_get_xsize(p)==pict_get_xsize(pm) || !pict_get_ysize(p)==pict_get_ysize(pm)) {
2115	>	if (pict_get_xsize(p)!=pict_get_xsize(pm) || pict_get_ysize(p)!=pict_get_ysize(pm)) {
2116		fprintf(stderr, "error: masking image has other resolution than main image ! \n");
2117		fprintf(stderr, "size must be identical \n");
2118		printf("resolution main image : %dx%d\n",pict_get_xsize(p),pict_get_ysize(p));
#	Line 1890 | Line 2147 | if (masking ==1 && zones >0) {
2147
2148		}
2149		}
2150	<
2150	>
2151	>
2152		/* Check task position  */
2153
2154		if (task_lum == 1) {
#	Line 1914 | Line 2172 | if (masking ==1 && zones >0) {
2172		pict_get_z1_gsn(p,igs) = 0;
2173		pict_get_z2_gsn(p,igs) = 0;
2174
2175	+	if (multi_image_mode<1) {
2176
2177	+
2178		/* cut out GUTH field of view and exit without glare evaluation */
2179		if (cut_view==2) {
2180		if (cut_view_type==1) {
#	Line 2083 | Line 2343 | if (cut_view==2) {
2343		lum_pos_mean= lum_pos_mean/sang;
2344		lum_pos2_mean= lum_pos2_mean/sang;
2345
2346	<	if (set_lum_max2 >= 1 && E_v_contr > 0 && (E_vl_ext - E_v) > 0) {
2346	>	if ((set_lum_max2 >= 1 && E_v_contr > 0 && (E_vl_ext - E_v) > 0 ) || set_lum_max2==3) {
2347
2348	+	if (set_lum_max2<3){
2349		lum_ideal = (E_vl_ext - E_v + E_v_contr) / omega_cos_contr;
2350		if (set_lum_max2 == 2 && lum_ideal >= 2e9) {
2351		printf("warning! luminance of replacement pixels would be larger than 2e9 cd/m2. Value set to 2e9cd/m2!\n") ;
#	Line 2095 | Line 2356 | if (cut_view==2) {
2356		}
2357		printf("change luminance values!! lum_ideal,setvalue,E_vl_ext,E_v,E_v_contr %f  %f %f %f %f\n",
2358		lum_ideal, setvalue, E_vl_ext, E_v, E_v_contr);
2359	+	}else{setvalue=LUM_replace;
2360	+	}
2361
2362
2363		for (x = 0; x < pict_get_xsize(p); x++)
#	Line 2114 | Line 2377 | if (cut_view==2) {
2377		pict_get_color(p, x, y)[BLU] =
2378		setvalue / 179.0;
2379
2380	<	}else{ if(set_lum_max2 ==2 ) {
2380	>	}else{ if(set_lum_max2 >1 ) {
2381		r_actual =acos(DOT(pict_get_cached_dir(p, x_disk, y_disk), pict_get_cached_dir(p, x, y))) * 2;
2382		if (x_disk == x && y_disk==y ) r_actual=0.0;
2383
#	Line 2127 | Line 2390 | if (cut_view==2) {
2390		pict_get_color(p, x, y)[BLU] =
2391		setvalue / 179.0;
2392
2393	<	}
2131	<
2132	<
2393	>	}
2394		}
2395		}
2396		}
#	Line 2201 | Line 2462 | if (cut_view==1) {
2462		/*     printf("Ev, avlum, Omega_tot%f %f %f \n",E_v, avlum, sang); */
2463
2464		/* first glare source scan: find primary glare sources */
2465	+
2466	+	if (patchmode==0) {
2467		for (x = 0; x < pict_get_xsize(p); x++) {
2468	<	/*                lastpixelwas_gs=0; */
2468	>	lastpixelwas_gs=0;
2469	>	/*              lastpixelwas_peak=0; */
2470		for (y = 0; y < pict_get_ysize(p); y++) {
2471		if (pict_get_hangle(p, x, y, p->view.vdir, p->view.vup, &ang)) {
2472		if (pict_is_validpixel(p, x, y)) {
#	Line 2212 | Line 2476 | if (cut_view==1) {
2476		lum_total_max=act_lum;
2477		}
2478		/* speed improvement first scan: when last pixel was glare source, then use this glare source number instead of searching.
2479	<	has been deactivated with v1.25
2479	>	has been deactivated with v1.25, reactivated with v2.10 */
2480
2481	<	if (lastpixelwas_gs==0 || search_pix <= 1.0 ) { */
2481	>	if (lastpixelwas_gs==0 || search_pix <= 1.0 ) {
2482		actual_igs = find_near_pgs(p, x, y, max_angle, 0, igs, 1);
2483	<	/*  }*/
2483	>	}
2484		if (actual_igs == 0) {
2485		igs = igs + 1;
2486		pict_new_gli(p);
#	Line 2232 | Line 2496 | if (cut_view==1) {
2496		pict_get_gsn(p, x, y) = actual_igs;
2497		pict_get_pgs(p, x, y) = 1;
2498		add_pixel_to_gs(p, x, y, actual_igs);
2499	<	/*                                                lastpixelwas_gs=actual_igs; */
2499	>	lastpixelwas_gs=actual_igs;
2500
2501		} else {
2502		pict_get_pgs(p, x, y) = 0;
2503	<	/*                                               lastpixelwas_gs=0;*/
2503	>	lastpixelwas_gs=0;
2504		}
2505		}
2506		}
2507		}
2508		}
2509	<	/*      pict_write(p,"firstscan.pic");   */
2509	>	} else {
2510	>	/* patchmode on!
2511	>	calculation only for angular projection!
2512
2513	+	*/
2514
2515
2516	+	angle_v=p->view.vert;
2517	+	angle_h=p->view.horiz;
2518
2519	<	if (calcfast ==1 || search_pix <= 1.0 || calcfast == 2 ) {
2519	>
2520	>	/*printf ("angle_v,angle_h: %f %f \n",angle_v,angle_h) ;
2521	>
2522	>	setting up patches as glare sources */
2523	>
2524	>	patch_pixdistance_x=floor(pict_get_xsize(p)/angle_h*patch_angle);
2525	>	patch_pixdistance_y=floor(pict_get_ysize(p)/angle_v*patch_angle);
2526	>
2527	>	nx_patch=floor(angle_v/patch_angle)+1;
2528	>	ny_patch=floor(angle_h/patch_angle)+1;
2529	>
2530	>	y_offset=floor (patch_pixdistance_y/2);
2531	>	x_offset=floor (patch_pixdistance_x/2);
2532	>	/* printf ("nx_patch,ny_patch,x_offset,y_offset,patch_pixdistance_x,patch_pixdistance_y   %i %i %i %i %i %i\n",nx_patch,ny_patch,x_offset,y_offset,patch_pixdistance_x,patch_pixdistance_y) ; */
2533	>
2534	>	ix_offset=0;
2535	>	for (iy=1; iy<=ny_patch;iy++) {
2536	>
2537	>
2538	>
2539	>	for (ix=1; ix<=nx_patch;ix++) {
2540	>	igs = igs + 1;
2541	>	pict_new_gli(p);
2542	>
2543	>	pict_get_lum_min(p, igs) = HUGE_VAL;
2544	>	pict_get_Eglare(p,igs) = 0.0;
2545	>	pict_get_Dglare(p,igs) = 0.0;
2546	>	pict_get_z1_gsn(p,igs) = 0;
2547	>	pict_get_z2_gsn(p,igs) = 0;
2548	>	pict_get_dx_max(p,igs) = (x_offset+ix_offset*x_offset+(ix-1)*patch_pixdistance_x)*1.0;
2549	>	pict_get_dy_max(p,igs) = (y_offset+(iy-1)*patch_pixdistance_y)*1.0;
2550	>
2551	>	/* printf ("igs, x-patch, y-patch : %i %f %f \n",igs,pict_get_dx_max(p,igs),pict_get_dy_max(p,igs) ) ; */
2552	>
2553	>	}
2554	>	ix_offset=ix_offset+1;
2555	>	if (ix_offset==2) {
2556	>	ix_offset =0 ;
2557	>	}
2558	>
2559	>	}
2560	>	for (y = 0; y < pict_get_ysize(p); y++) {
2561	>	for (x = 0; x < pict_get_xsize(p); x++) {
2562	>
2563	>	if (pict_get_hangle(p, x, y, p->view.vdir, p->view.vup, &ang)) {
2564	>	if (pict_is_validpixel(p, x, y)) {
2565	>	act_lum = luminance(pict_get_color(p, x, y));
2566	>	if (act_lum > lum_source) {
2567	>	if (act_lum >lum_total_max) {
2568	>	lum_total_max=act_lum;
2569	>	}
2570	>
2571	>	y_lines = floor((y)/patch_pixdistance_y);
2572	>	xxx = (x+0.0)/(patch_pixdistance_x+0.0)-0.5*(y_lines % 2);
2573	>	if (xxx<0 ) { xxx=0.0 ;}
2574	>	i1 = y_lines*(nx_patch)+floor(xxx)+1;
2575	>	i2=0;
2576	>	add=0;
2577	>	if (y_lines % 2 == 1 ) {add=1;}
2578	>
2579	>	if (y >pict_get_dy_max(p,i1)) {
2580	>
2581	>	if (x > pict_get_dx_max(p,i1)) {
2582	>	i2=i1+nx_patch+add;
2583	>	}else {
2584	>	i2=i1+nx_patch-1+add;
2585	>	}
2586	>	}else {
2587	>
2588	>	if (x > pict_get_dx_max(p,i1)) {
2589	>	i2=i1-nx_patch+add;
2590	>	}else {
2591	>	i2=i1-nx_patch-1+add;
2592	>	}
2593	>	}
2594	>
2595	>
2596	>
2597	>
2598	>	if (i2 > igs || i2 < 1) {actual_igs=i1;}else{
2599	>	if ( ((x-pict_get_dx_max(p,i1))*(x-pict_get_dx_max(p,i1))+(y-pict_get_dy_max(p,i1))*(y-pict_get_dy_max(p,i1))) < ((x-pict_get_dx_max(p,i2))*(x-pict_get_dx_max(p,i2))+(y-pict_get_dy_max(p,i2))*(y-pict_get_dy_max(p,i2))) ) {
2600	>	actual_igs=i1; }else {actual_igs=i2;}}
2601	>
2602	>
2603	>	pict_get_gsn(p, x, y) = actual_igs;
2604	>	pict_get_pgs(p, x, y) = 1;
2605	>	add_pixel_to_gs(p, x, y, actual_igs);
2606	>	/*                      setglcolor(p, x, y, actual_igs, uniform_gs, u_r, u_g , u_b); */
2607	>	}
2608	>	}
2609	>	}
2610	>
2611	>
2612	>
2613	>
2614	>
2615	>	}               }
2616	>
2617	>
2618	>
2619	>
2620	>	}
2621	>	/*                    pict_write(p,"firstscan.pic");   */
2622	>
2623	>
2624	>
2625	>
2626	>	if (calcfast ==1 || search_pix <= 1.0 || calcfast == 2 || patchmode > 0) {
2627		skip_second_scan=1;
2628		}
2629
#	Line 2331 | Line 2707 | if (calcfast ==1 || search_pix <= 1.0 || calcfast == 2
2707
2708		/* extract extremes from glare sources to extra glare source */
2709		if (splithigh == 1 && lum_total_max>limit) {
2710	+	/*             fprintf(stderr,  " split of glare source!\n"); */
2711
2712		r_split = max_angle / 2.0;
2713		for (i = 0; i <= i_max; i++) {
#	Line 2490 | Line 2867 | if (calcfast ==1 || search_pix <= 1.0 || calcfast == 2
2867		i=0;
2868		for (x = 0; x <= igs; x++) {
2869		if (pict_get_npix(p, x) > 0) {
2870	+	sum_glare += pow(pict_get_av_lum(p, x),2.0)* pict_get_av_omega(p, x)/pow(get_posindex(p, pict_get_av_posx(p, x), pict_get_av_posy(p, x),posindex_2), 2.0);
2871		lum_sources += pict_get_av_lum(p, x) * pict_get_av_omega(p, x);
2872		omega_sources += pict_get_av_omega(p, x);
2873		i=i+1;
2874		}}
2875	<
2875	>	sum_glare= c2*log10(1 + sum_glare / pow(E_v, a3));
2876		if (sang == omega_sources) {
2877		lum_backg =avlum;
2878		} else {
#	Line 2513 | Line 2891 | if (calcfast ==1 || search_pix <= 1.0 || calcfast == 2
2891		lum_backg = lum_backg_cos;
2892		}
2893
2894	+	if (non_cos_lb == 2) {
2895	+	lum_backg = E_v / 3.1415927;
2896	+	}
2897	+
2898	+
2899		/* file writing NOT here
2900		if (checkfile == 1) {
2901		pict_write(p, file_out);
#	Line 2564 | Line 2947 | if (calcfast ==1 || search_pix <= 1.0 || calcfast == 2
2947		muc_rvar_get_median(s_mask,lum_mask_median);
2948		muc_rvar_get_bounding_box(s_mask,bbox);
2949		/* PSGV only why masking of window is applied! */
2950	<	pgsv = get_pgsv(E_v, E_v_mask, omega_mask, lum_mask_av);
2950	>
2951	>
2952	>	if (task_lum == 0 || lum_task == 0.0 ) {
2953	>	fprintf(stderr, " warning: Task area not set or task luminance=0 ! pgsv cannot be calculated (set to -99)!!\n");
2954	>	pgsv = -99;
2955	>	} else {
2956	>	pgsv = get_pgsv(E_v, E_v_mask, omega_mask, lum_mask_av,lum_task,avlum);
2957	>	}
2958	>
2959	>	pgsv_con = get_pgsv_con(E_v, E_v_mask, omega_mask, lum_mask_av,avlum);
2960		pgsv_sat =get_pgsv_sat(E_v);
2961
2962		if (detail_out == 1) {
2963
2964	<	printf ("masking:no_pixels,omega,av_lum,median_lum,std_lum,perc_75,perc_95,lum_min,lum_max,pgsv,pgsv_sat: %i %f %f %f %f %f %f %f %f %f %f\n",i_mask,omega_mask,lum_mask_av,lum_mask_median[0],sqrt(lum_mask_std[0]),per_75_mask,per_95_mask,bbox[0],bbox[1],pgsv,pgsv_sat );
2964	>	printf ("masking:no_pixels,omega,av_lum,median_lum,std_lum,perc_75,perc_95,lum_min,lum_max,pgsv_con,pgsv_sat,pgsv,Ev_mask: %i %f %f %f %f %f %f %f %f %f %f %f %f\n",i_mask,omega_mask,lum_mask_av,lum_mask_median[0],sqrt(lum_mask_std[0]),per_75_mask,per_95_mask,bbox[0],bbox[1],pgsv_con,pgsv_sat,pgsv,E_v_mask );
2965
2966		}
2967
#	Line 2597 | Line 2989 | if (calcfast ==1 || search_pix <= 1.0 || calcfast == 2
2989		muc_rvar_add_sample(s_z1, lum_z1);
2990		omega_z1 += pict_get_omega(p, x, y);
2991		lum_z1_av += pict_get_omega(p, x, y)* lum_actual;
2992	+	Ez1 += DOT(p->view.vdir, pict_get_cached_dir(p, x, y))* pict_get_omega(p, x, y)* lum_actual;
2993		setglcolor(p,x,y,1,1 , 0.66, 0.01 ,0.33);
2994		/*check if separation gsn already exist */
2995
#	Line 2613 | Line 3006 | if (calcfast ==1 || search_pix <= 1.0 || calcfast == 2
3006		splitgs=(int)(pict_get_z1_gsn(p,act_gsn));
3007		/*          printf("splitgs%i \n",splitgs);       */
3008		split_pixel_from_gs(p, x, y, splitgs, uniform_gs, u_r, u_g , u_b);
3009	+	/* move direct illuminance contribution into  zone -value           */
3010	+	delta_E=DOT(p->view.vdir, pict_get_cached_dir(p, x, y))* pict_get_omega(p, x, y)* luminance(pict_get_color(p, x, y));
3011	+	pict_get_Eglare(p,act_gsn ) = pict_get_Eglare(p,act_gsn ) - delta_E;
3012	+	pict_get_Eglare(p,igs ) = pict_get_Eglare(p,igs ) + delta_E;
3013	+
3014	+
3015		}
3016		}
3017		/*zone2 */
#	Line 2624 | Line 3023 | if (calcfast ==1 || search_pix <= 1.0 || calcfast == 2
3023		muc_rvar_add_sample(s_z2, lum_z2);
3024		omega_z2 +=   pict_get_omega(p, x, y);
3025		lum_z2_av += pict_get_omega(p, x, y)* lum_actual;
3026	+	Ez2 += DOT(p->view.vdir, pict_get_cached_dir(p, x, y))* pict_get_omega(p, x, y)* lum_actual;
3027		setglcolor(p,x,y,1,1 , 0.65, 0.33 ,0.02);
3028		/*                                                printf("zone 2 x y act_gsn pict_get_z1_gsn(p,act_gsn) pict_get_z2_gsn(p,act_gsn): %i %i %f 1:%f 2:%f \n",x,y,act_gsn,pict_get_z1_gsn(p,act_gsn),pict_get_z2_gsn(p,act_gsn));
3029		*/                                                if (act_gsn > 0){
#	Line 2638 | Line 3038 | if (calcfast ==1 || search_pix <= 1.0 || calcfast == 2
3038		splitgs=(int)(pict_get_z2_gsn(p,act_gsn));
3039		/*                                              printf("splitgs %i \n",splitgs);*/
3040		split_pixel_from_gs(p, x, y, splitgs, uniform_gs, u_r, u_g , u_b);
3041	+	/* move direct illuminance contribution into  zone -value           */
3042	+	delta_E=DOT(p->view.vdir, pict_get_cached_dir(p, x, y))* pict_get_omega(p, x, y)* luminance(pict_get_color(p, x, y));
3043	+	pict_get_Eglare(p,act_gsn ) = pict_get_Eglare(p,act_gsn ) - delta_E;
3044	+	pict_get_Eglare(p,igs ) = pict_get_Eglare(p,igs ) + delta_E;
3045	+
3046		}
3047		}
3048
#	Line 2664 | Line 3069 | if (calcfast ==1 || search_pix <= 1.0 || calcfast == 2
3069		muc_rvar_get_bounding_box(s_z1,bbox_z1);
3070		if (detail_out == 1) {
3071
3072	<	printf ("zoning:z1_omega,z1_av_lum,z1_median_lum,z1_std_lum,z1_perc_75,z1_perc_95,z1_lum_min,z1_lum_max: %f %f %f %f %f %f %f %f\n",omega_z1,lum_z1_av,lum_z1_median[0],sqrt(lum_z1_std[0]),per_75_z1,per_95_z1,bbox_z1[0],bbox_z1[1] );
3072	>	printf ("zoning:z1_omega,z1_av_lum,z1_median_lum,z1_std_lum,z1_perc_75,z1_perc_95,z1_lum_min,z1_lum_max,Ez1,i_z1: %f %f %f %f %f %f %f %f %f %i\n",omega_z1,lum_z1_av,lum_z1_median[0],sqrt(lum_z1_std[0]),per_75_z1,per_95_z1,bbox_z1[0],bbox_z1[1],Ez1,i_z1 );
3073
3074		if (zones == 2 ) {
3075
3076	<	printf ("zoning:z2_omega,z2_av_lum,z2_median_lum,z2_std_lum,z2_perc_75,z2_perc_95,z2_lum_min,z2_lum_max:  %f %f %f %f %f %f %f %f\n",omega_z2,lum_z2_av,lum_z2_median[0],sqrt(lum_z2_std[0]),per_75_z2,per_95_z2,bbox_z2[0],bbox_z2[1] );
3076	>	printf ("zoning:z2_omega,z2_av_lum,z2_median_lum,z2_std_lum,z2_perc_75,z2_perc_95,z2_lum_min,z2_lum_max,Ez2,i_z2:  %f %f %f %f %f %f %f %f %f %i\n",omega_z2,lum_z2_av,lum_z2_median[0],sqrt(lum_z2_std[0]),per_75_z2,per_95_z2,bbox_z2[0],bbox_z2[1],Ez2,i_z1 );
3077		} }
3078
3079		}
3080
3081	+	new_gs_number = (int *)malloc(sizeof(int)*(igs+1));
3082	+
3083		i = 0;
3084		for (x = 0; x <= igs; x++) {
3085		/* resorting glare source numbers */
3086		if (pict_get_npix(p, x) > 0) {
3087		i = i + 1;
3088	+	pict_get_Dglare(p,x) = i;
3089	+	new_gs_number[x] = i;
3090	+	/*                      printf("%i %i %f %i \n", i,x,pict_get_Dglare(p,x),new_gs_number[x] ); */
3091		}
3092		}
3093		no_glaresources=i;
3094	<
3094	>	/*printf("%i",no_glaresources );*/
3095		/* glare sources */
2686	–	if (detail_out == 1) {
3096
3097	+	if (output == 4 ) {
3098	+
3099	+	i=0;
3100	+	for (x = 0; x <= igs; x++) {
3101	+	if (pict_get_npix(p, x) > 0) {
3102	+	i = i + 1;
3103	+
3104	+	x2=pict_get_av_posx(p, x);
3105	+	y2=pict_get_av_posy(p, x);
3106	+
3107	+	printf("%i %f %f %f %f %.10f %f %f %f %f \n",
3108	+	i, pict_get_npix(p, x), pict_get_av_posx(p, x), pict_get_av_posy(p, x),
3109	+	pict_get_av_lum(p, x), pict_get_av_omega(p, x),
3110	+	get_posindex(p, pict_get_av_posx(p, x),pict_get_av_posy(p, x),posindex_2),
3111	+	pict_get_cached_dir(p, x2,y2)[0],pict_get_cached_dir(p, x2,y2)[1],pict_get_cached_dir(p, x2,y2)[2]);
3112	+	}
3113	+	}
3114	+
3115	+
3116	+	for (y = 0; y < pict_get_ysize(p); y++) {
3117	+	for (x = 0; x < pict_get_xsize(p); x++) {
3118	+
3119	+	if (pict_get_hangle(p, x, y, p->view.vdir, p->view.vup, &ang)) {
3120	+	if (pict_is_validpixel(p, x, y)) {
3121	+	if (pict_get_gsn(p,x,y) >0 ) {
3122	+	i=pict_get_gsn(p,x,y);
3123	+	printf("%i %i %f %f %f \n", i, new_gs_number[i], pict_get_cached_dir(p, x,y)[0],pict_get_cached_dir(p, x,y)[1],pict_get_cached_dir(p, x,y)[2] );
3124	+
3125	+	}
3126	+
3127	+
3128	+
3129	+	}}}}
3130	+
3131	+
3132	+	}
3133	+
3134	+
3135	+
3136	+
3137	+	if (detail_out == 1 && output < 3) {
3138	+	dgp = get_dgp(p, E_v, igs, a1, a2, a3, a4, a5, c1, c2, c3, posindex_2);
3139	+
3140		printf
3141	<	("%i No pixels x-pos y-pos L_s Omega_s Posindx L_b L_t E_vert Edir Max_Lum Sigma xdir ydir zdir Eglare_cie Lveil_cie teta glare_zone\n",
3141	>	("%i No pixels x-pos y-pos L_s Omega_s Posindx L_b L_t E_v Edir Max_Lum Sigma xdir ydir zdir Eglare Lveil_cie teta glare_zone r_contrast r_dgp\n",
3142		i);
3143		if (i == 0) {
3144	<	printf("%i %f %f %f %f %.10f %f %f %f %f %f %f %f %f %f %f %f %f %f %f %f\n", i, 0.0, 0.0,
3145	<	0.0, 0.0, 0.0, 0.0, lum_backg, lum_task, E_v, E_v_dir,abs_max,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0);
3144	>	printf("%i %f %f %f %f %.10f %f %f %f %f %f %f %f %f %f %f %f %f %f %f %f %f %f\n", i, 0.0, 0.0,
3145	>	0.0, 0.0, 0.0, 0.0, lum_backg, lum_task, E_v, E_v_dir,abs_max,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0);
3146
3147		} else {
3148		i = 0;
#	Line 2710 | Line 3162 | if (calcfast ==1 || search_pix <= 1.0 || calcfast == 2
3162		Lveil_cie =0 ;
3163		}
3164		Lveil_cie_sum =  Lveil_cie_sum + Lveil_cie;
3165	+	r_glare= c2*log10(1 + pow(pict_get_av_lum(p, x),2)* pict_get_av_omega(p, x)/pow(get_posindex(p, pict_get_av_posx(p, x), pict_get_av_posy(p, x),posindex_2), 2.0) / pow(E_v, a3))  ;
3166	+	r_contrast=r_glare/sum_glare  ;
3167	+	r_dgp=r_glare/dgp ;
3168		if (pict_get_z1_gsn(p,x)<0) {
3169		act_gsn=(int)(-pict_get_z1_gsn(p,x));
3170		}else{
3171		act_gsn=0;
3172		}
3173	<	printf("%i %f %f %f %f %.10f %f %f %f %f %f %f %f %f %f %f %f %f %f %i \n",
3173	>	printf("%i %f %f %f %f %.10f %f %f %f %f %f %f %f %f %f %f %f %f %f %i %f %f \n",
3174		i, pict_get_npix(p, x), pict_get_av_posx(p, x),
3175		pict_get_ysize(p) - pict_get_av_posy(p, x),
3176		pict_get_av_lum(p, x), pict_get_av_omega(p, x),
#	Line 2723 | Line 3178 | if (calcfast ==1 || search_pix <= 1.0 || calcfast == 2
3178		pict_get_av_posy(p, x),
3179		posindex_2), lum_backg, lum_task,
3180		E_v, E_v_dir, abs_max, sigma * 180 / 3.1415927
3181	<	,pict_get_cached_dir(p, x2,y2)[0],pict_get_cached_dir(p, x2,y2)[1],pict_get_cached_dir(p, x2,y2)[2],pict_get_Eglare(p,x),Lveil_cie,teta,act_gsn );
3181	>	,pict_get_cached_dir(p, x2,y2)[0],pict_get_cached_dir(p, x2,y2)[1],pict_get_cached_dir(p, x2,y2)[2],pict_get_Eglare(p,x),Lveil_cie,teta,act_gsn,r_contrast,r_dgp );
3182		}
3183		}
3184		}
3185		}
3186
3187	+	if ( output < 3) {
3188
2733	–
3189		/* calculation of indicees */
3190
3191		/* check vertical illuminance range */
#	Line 2743 | Line 3198 | if (calcfast ==1 || search_pix <= 1.0 || calcfast == 2
3198		dgp =
3199		get_dgp(p, E_v2, igs, a1, a2, a3, a4, a5, c1, c2, c3, posindex_2);
3200		/* low light correction */
3201	+	if (lowlight ==1) {
3202		if (E_v < 1000) {
3203		low_light_corr=1.0*exp(0.024*E_v-4)/(1+exp(0.024*E_v-4));} else {low_light_corr=1.0 ;}
3204		dgp =low_light_corr*dgp;
3205	<
3205	>	}
3206		/* age correction */
3207
3208		if (age_corr == 1) {
#	Line 2767 | Line 3223 | if (calcfast == 0) {
3223		dgi = get_dgi(p, lum_backg, igs, posindex_2);
3224		ugr = get_ugr(p, lum_backg, igs, posindex_2);
3225		ugp = get_ugp (p,lum_backg, igs, posindex_2);
3226	+	ugp2 = get_ugp2 (p,lum_backg, igs, posindex_2);
3227		ugr_exp = get_ugr_exp (p,lum_backg_cos,lum_a, igs, posindex_2);
3228		dgi_mod = get_dgi_mod(p, lum_a, igs, posindex_2);
3229		cgi = get_cgi(p, E_v, E_v_dir, igs, posindex_2);
#	Line 2777 | Line 3234 | if (calcfast == 0) {
3234		dgi = 0.0;
3235		ugr = 0.0;
3236		ugp = 0.0;
3237	+	ugp2 =0.0;
3238		ugr_exp = 0.0;
3239		dgi_mod = 0.0;
3240		cgi = 0.0;
#	Line 2803 | Line 3261 | if (calcfast == 0) {
3261		get_dgp(p, E_vl_ext, igs, a1, a2, a3, a4, a5, c1, c2, c3,
3262		posindex_2);
3263		dgp = dgp_ext;
3264	<	if (E_vl_ext < 1000) {
3264	>	if (E_vl_ext < 1000 && lowlight ==1) {
3265		low_light_corr=1.0*exp(0.024*E_vl_ext-4)/(1+exp(0.024*E_vl_ext-4));} else {low_light_corr=1.0 ;}
3266		dgp =low_light_corr*dgp;
3267		dgp =age_corr_factor*dgp;
#	Line 2816 | Line 3274 | if (calcfast == 0) {
3274
3275
3276		printf
3277	<	("dgp,av_lum,E_v,lum_backg,E_v_dir,dgi,ugr,vcp,cgi,lum_sources,omega_sources,Lveil,Lveil_cie,dgr,ugp,ugr_exp,dgi_mod,av_lum_pos,av_lum_pos2,med_lum,med_lum_pos,med_lum_pos2: %f %f %f %f %f %f %f %f %f %f %f %f %f %f %f %f %f %f %f %f %f %f\n",
3277	>	("dgp,av_lum,E_v,lum_backg,E_v_dir,dgi,ugr,vcp,cgi,lum_sources,omega_sources,Lveil,Lveil_cie,dgr,ugp,ugr_exp,dgi_mod,av_lum_pos,av_lum_pos2,med_lum,med_lum_pos,med_lum_pos2,ugp2: %f %f %f %f %f %f %f %f %f %f %f %f %f %f %f %f %f %f %f %f %f %f %f\n",
3278		dgp, avlum, E_v, lum_backg, E_v_dir, dgi, ugr, vcp, cgi,
3279	<	lum_sources, omega_sources, Lveil,Lveil_cie_sum,dgr,ugp,ugr_exp,dgi_mod,lum_pos_mean,lum_pos2_mean/sang,lum_nopos_median[0],lum_pos_median[0],lum_pos2_median[0]);
3279	>	lum_sources, omega_sources, Lveil,Lveil_cie_sum,dgr,ugp,ugr_exp,dgi_mod,lum_pos_mean,lum_pos2_mean/sang,lum_nopos_median[0],lum_pos_median[0],lum_pos2_median[0],ugp2);
3280		} else {
3281		if (detail_out2 == 1) {
3282
#	Line 2831 | Line 3289 | if (calcfast == 0) {
3289		if (ext_vill == 1) {
3290		dgp_ext = get_dgp(p, E_vl_ext, igs, a1, a2, a3, a4, a5, c1, c2, c3,posindex_2);
3291
3292	<	if (E_vl_ext < 1000) {
3292	>	if (E_vl_ext < 1000 && lowlight ==1) {
3293		low_light_corr=1.0*exp(0.024*E_vl_ext-4)/(1+exp(0.024*E_vl_ext-4));} else {low_light_corr=1.0 ;}
3294		dgp =low_light_corr*dgp_ext;
3295		dgp =age_corr_factor*dgp;
#	Line 2846 | Line 3304 | if (calcfast == 0) {
3304		get_dgp(p, E_vl_ext, igs, a1, a2, a3, a4, a5, c1, c2, c3,
3305		posindex_2);
3306		dgp = dgp_ext;
3307	<	if (E_vl_ext < 1000) {
3307	>	if (E_vl_ext < 1000 && lowlight ==1) {
3308		low_light_corr=1.0*exp(0.024*E_vl_ext-4)/(1+exp(0.024*E_vl_ext-4)); } else {low_light_corr=1.0 ;}
3309		dgp =low_light_corr*dgp;
3310
#	Line 2859 | Line 3317 | if (calcfast == 0) {
3317		printf("%f\n", dgp);
3318		}
3319		}
3320	+	}
3321
3322	+	}else{
3323	+	/* only multiimagemode
3324	+
3325	+	*/
3326	+
3327	+
3328	+	for (j = 0; j < num_images; j++) {
3329	+
3330	+
3331	+	/* loop over temporal images */
3332	+
3333	+	pict_read(pcoeff,temp_image_name[j] );
3334	+
3335	+	/*printf ("num_img:%i x-size:%i xpos:%i y-size: %i ypos %i bigimg-xsize %i %i ",num_images,pict_get_xsize(pcoeff),x_temp_img[j],pict_get_ysize(pcoeff),y_temp_img[j],pict_get_xsize(p),pict_get_ysize(p));
3336	+	*/
3337	+
3338	+
3339	+	/* loop over scans
3340	+	empty of */
3341	+	for (jj=0;jj<=num_scans;jj++){
3342	+
3343	+	/*printf("scale %i %i %i %f ",j,jj,num_scans,scale_image_scans[j*(num_scans+1)+jj]); */
3344	+
3345	+
3346	+	/* copy luminance value into big image and remove glare sources*/
3347	+	for (x = 0; x < pict_get_xsize(pcoeff); x++) {
3348	+	for (y = 0; y < pict_get_ysize(pcoeff); y++) {
3349	+	xmap=x_temp_img[j]+x;
3350	+	ymap=y_temp_img[j]+y;
3351	+	if (xmap <0) { xmap=0;}
3352	+	if (ymap <0) { ymap=0;}
3353	+
3354	+	pict_get_color(p, xmap, ymap)[RED] = scale_image_scans[j*(num_scans+1)+jj]*pict_get_color(pcoeff, x, y)[RED];
3355	+	pict_get_color(p, xmap, ymap)[GRN] = scale_image_scans[j*(num_scans+1)+jj]*pict_get_color(pcoeff, x, y)[GRN];
3356	+	pict_get_color(p, xmap, ymap)[BLU] = scale_image_scans[j*(num_scans+1)+jj]*pict_get_color(pcoeff, x, y)[BLU];
3357	+	pict_get_gsn(p, xmap, ymap) = 0;
3358	+	pict_get_pgs(p, xmap, ymap) = 0;
3359	+	}}
3360	+
3361	+
3362	+
3363	+
3364	+
3365	+	actual_igs =0;
3366	+
3367	+	/* first glare source scan: find primary glare sources */
3368	+	for (x = 0; x < pict_get_xsize(pcoeff); x++) {
3369	+	lastpixelwas_gs=0;
3370	+	/*              lastpixelwas_peak=0; */
3371	+	for (y = 0; y < pict_get_ysize(pcoeff); y++) {
3372	+	xmap=x_temp_img[j]+x;
3373	+	ymap=y_temp_img[j]+y;
3374	+	if (pict_get_hangle(p, xmap, ymap, p->view.vdir, p->view.vup, &ang)) {
3375	+	if (pict_is_validpixel(p, xmap, ymap)) {
3376	+	act_lum = luminance(pict_get_color(p, xmap, ymap));
3377	+	if (act_lum> lum_source) {
3378	+	if (act_lum >lum_total_max) {
3379	+	lum_total_max=act_lum;
3380	+	}
3381	+
3382	+	if (lastpixelwas_gs==0 || search_pix <= 1.0 ) {
3383	+	actual_igs = find_near_pgs(p, xmap, ymap, max_angle, 0, igs, 1);
3384	+	}
3385	+	if (actual_igs == 0) {
3386	+	igs = igs + 1;
3387	+	pict_new_gli(p);
3388	+	pict_get_Eglare(p,igs) = 0.0;
3389	+	/*  not necessary here                                  pict_get_lum_min(p, igs) = HUGE_VAL;
3390	+	pict_get_Eglare(p,igs) = 0.0;
3391	+	pict_get_Dglare(p,igs) = 0.0;
3392	+	pict_get_z1_gsn(p,igs) = 0;
3393	+	pict_get_z2_gsn(p,igs) = 0; */
3394	+	actual_igs = igs;
3395	+
3396	+	}
3397	+	pict_get_gsn(p, xmap, ymap) = actual_igs;
3398	+	pict_get_pgs(p, xmap, ymap) = 1;
3399	+	add_pixel_to_gs(p, xmap, ymap, actual_igs);
3400	+	lastpixelwas_gs=actual_igs;
3401	+
3402	+
3403	+
3404	+	delta_E=DOT(p->view.vdir, pict_get_cached_dir(p, xmap, ymap))* pict_get_omega(p, xmap, ymap)* luminance(pict_get_color(p, xmap, ymap));
3405	+	pict_get_Eglare(p,actual_igs ) = pict_get_Eglare(p,actual_igs ) + delta_E;
3406	+
3407	+
3408	+
3409	+
3410	+	} else {
3411	+	pict_get_pgs(p, xmap, ymap) = 0;
3412	+	lastpixelwas_gs=0;
3413	+	}
3414	+	}
3415	+	}
3416	+	}
3417	+	}
3418	+
3419	+
3420	+	/*                              here should be peak extraction  */
3421	+	i_max=igs;
3422	+	r_split = max_angle / 2.0;
3423	+	for (i = 0; i <= i_max; i++) {
3424	+
3425	+	if (pict_get_npix(p, i) > 0) {
3426	+	l_max = pict_get_lum_max(p, i);
3427	+	i_splitstart = igs + 1;
3428	+	if (l_max >= limit) {
3429	+	for (x = 0; x < pict_get_xsize(pcoeff); x++)
3430	+	for (y = 0; y < pict_get_ysize(pcoeff); y++) {
3431	+	xmap=x_temp_img[j]+x;
3432	+	ymap=y_temp_img[j]+y;
3433	+
3434	+
3435	+	if (pict_get_hangle
3436	+	(p, xmap, ymap, p->view.vdir, p->view.vup, &ang))
3437	+	{
3438	+	if (pict_is_validpixel(p, xmap, ymap)
3439	+	&& luminance(pict_get_color(p, xmap, ymap))
3440	+	>= limit
3441	+	&& pict_get_gsn(p, xmap, ymap) == i) {
3442	+	if (i_splitstart == (igs + 1)) {
3443	+	igs = igs + 1;
3444	+	pict_new_gli(p);
3445	+	pict_get_z1_gsn(p,igs) = 0;
3446	+	pict_get_z2_gsn(p,igs) = 0;
3447	+
3448	+	pict_get_Eglare(p,igs) = 0.0;
3449	+	pict_get_Dglare(p,igs) = 0.0;
3450	+	pict_get_lum_min(p, igs) =
3451	+	99999999999999.999;
3452	+	i_split = igs;
3453	+	} else {
3454	+	i_split =
3455	+	find_split(p, xmap, ymap, r_split,
3456	+	i_splitstart, igs);
3457	+	}
3458	+	if (i_split == 0) {
3459	+	igs = igs + 1;
3460	+	pict_new_gli(p);
3461	+	pict_get_z1_gsn(p,igs) = 0;
3462	+	pict_get_z2_gsn(p,igs) = 0;
3463	+
3464	+	pict_get_Eglare(p,igs) = 0.0;
3465	+	pict_get_Dglare(p,igs) = 0.0;
3466	+	pict_get_lum_min(p, igs) =
3467	+	99999999999999.999;
3468	+	i_split = igs;
3469	+	}
3470	+	split_pixel_from_gs(p, xmap, ymap, i_split, uniform_gs, u_r, u_g , u_b);
3471	+
3472	+	}
3473	+	}
3474	+	}
3475	+
3476	+	}
3477	+	change = 1;
3478	+	while (change == 1) {
3479	+	change = 0;
3480	+	for (x = 0; x < pict_get_xsize(pcoeff); x++)
3481	+	for (y = 0; y < pict_get_ysize(pcoeff); y++) {
3482	+	xmap=x_temp_img[j]+x;
3483	+	ymap=y_temp_img[j]+y;
3484	+	before_igs = pict_get_gsn(p, xmap, ymap);
3485	+	if (before_igs >= i_splitstart) {
3486	+	if (pict_get_hangle
3487	+	(p, xmap, ymap, p->view.vdir, p->view.vup,
3488	+	&ang)) {
3489	+	if (pict_is_validpixel(p, xmap, ymap)
3490	+	&& before_igs > 0) {
3491	+	actual_igs =
3492	+	find_near_pgs(p, xmap, ymap,
3493	+	max_angle,
3494	+	before_igs, igs,
3495	+	i_splitstart);
3496	+	if (!(actual_igs == before_igs)) {
3497	+	change = 1;
3498	+	}
3499	+	if (before_igs > 0) {
3500	+	actual_igs =
3501	+	pict_get_gsn(p, xmap, ymap);
3502	+	/*                                                                                     icol =
3503	+	setglcolor(p, x, y,
3504	+	actual_igs, uniform_gs, u_r, u_g , u_b);*/
3505	+	}
3506	+
3507	+	}
3508	+	}
3509	+	}
3510	+
3511	+	}
3512	+	}
3513	+
3514	+
3515	+	}
3516	+	}
3517	+
3518	+	/*                              end peak extraction  */
3519	+
3520	+
3521	+	/* calculation of direct vertical illuminance for th multi-image-mode */
3522	+
3523	+
3524	+	for (x = 0; x < pict_get_xsize(pcoeff); x++)
3525	+	for (y = 0; y < pict_get_ysize(pcoeff); y++) {
3526	+	xmap=x_temp_img[j]+x;
3527	+	ymap=y_temp_img[j]+y;
3528	+	if (pict_get_hangle(p, xmap, ymap, p->view.vdir, p->view.vup, &ang)) {
3529	+	if (pict_is_validpixel(p, xmap, ymap)) {
3530	+	if (pict_get_gsn(p, xmap, ymap) > 0) {
3531	+	actual_igs = pict_get_gsn(p, xmap, ymap);
3532	+	delta_E=DOT(p->view.vdir, pict_get_cached_dir(p, xmap, ymap))* pict_get_omega(p, xmap, ymap)* luminance(pict_get_color(p, xmap, ymap));
3533	+	pict_get_Eglare(p,actual_igs ) = pict_get_Eglare(p,actual_igs ) + delta_E;
3534	+	}
3535	+	}
3536	+	}
3537	+	}
3538	+
3539	+
3540	+
3541	+
3542	+
3543	+
3544	+
3545	+
3546	+	i = 0;
3547	+	for (x = 0; x <= igs; x++) {
3548	+	if (pict_get_npix(p, x) > 0) {
3549	+	i = i + 1;
3550	+	}}
3551	+	no_glaresources=i;
3552	+
3553	+	/*
3554	+
3555	+	sprintf(file_out, "%s%i%s","ray2/img_",j,".hdr");
3556	+	pict_write(p, file_out);
3557	+	*/
3558	+	printf("%i ",no_glaresources);
3559	+	i = 0;
3560	+	for (x = 0; x <= igs; x++) {
3561	+	if (pict_get_npix(p, x) > 0) {
3562	+	i = i + 1;
3563	+	pict_get_sigma(p, pict_get_av_posx(p, x), pict_get_av_posy(p, x), p->view.vdir, p->view.vup, &sigma);
3564	+
3565	+	x2=pict_get_av_posx(p, x);
3566	+	y2=pict_get_av_posy(p, x);
3567	+	printf("%f %.10f %f %f %f %f %f ",      pict_get_av_lum(p, x), pict_get_av_omega(p, x), get_posindex(p, pict_get_av_posx(p, x), pict_get_av_posy(p, x),
3568	+	posindex_2),pict_get_cached_dir(p, x2,y2)[0],pict_get_cached_dir(p, x2,y2)[1],pict_get_cached_dir(p, x2,y2)[2],pict_get_Eglare(p,x) );
3569	+	}
3570	+	pict_get_npix(p, x)=0;
3571	+	pict_get_av_lum(p, x)=0;
3572	+	pict_get_av_posy(p, x)=0;
3573	+	pict_get_av_posx(p, x)=0;
3574	+	pict_get_av_omega(p, x)=0;
3575	+	}
3576	+	printf("\n");
3577	+
3578	+
3579	+	/* empty big image and remove glare sources*/
3580	+	for (x = 0; x < pict_get_xsize(pcoeff); x++) {
3581	+	for (y = 0; y < pict_get_ysize(pcoeff); y++) {
3582	+	xmap=x_temp_img[j]+x;
3583	+	ymap=y_temp_img[j]+y;
3584	+	pict_get_color(p, xmap, ymap)[RED] = 0;
3585	+	pict_get_color(p, xmap, ymap)[GRN] = 0;
3586	+	pict_get_color(p, xmap, ymap)[BLU] = 0;
3587	+	pict_get_gsn(p, xmap, ymap) = 0;
3588	+	pict_get_pgs(p, xmap, ymap) = 0;
3589	+	}}
3590	+	igs=0;
3591	+
3592	+
3593	+	}
3594	+
3595	+
3596	+	}
3597	+
3598	+	}
3599	+
3600	+	/* end multi-image-mode */
3601
3602		/*printf("lowlight=%f\n", low_light_corr); */
3603

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