--- ray/src/util/evalglare.c 2017/05/18 02:25:27 2.6 +++ ray/src/util/evalglare.c 2018/11/23 19:32:17 2.9 @@ -1,7 +1,7 @@ #ifndef lint -static const char RCSid[] = "$Id: evalglare.c,v 2.6 2017/05/18 02:25:27 greg Exp $"; +static const char RCSid[] = "$Id: evalglare.c,v 2.9 2018/11/23 19:32:17 greg Exp $"; #endif -/* EVALGLARE V2.00 +/* EVALGLARE V2.07 * Evalglare Software License, Version 2.0 * * Copyright (c) 1995 - 2016 Fraunhofer ISE, EPFL. @@ -317,10 +317,33 @@ changed masking threshold to 0.05 cd/m2 /* 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. */ /* 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 */ + +/* evalglare.c, v2.03 2017/08/04 ad of -O option - disk replacement by providing luminance, not documented + */ + +/* evalglare.c, v2.04 2017/08/04 adding -q option: use of Ev/pi as background luminance. not documented. no combination with -n option!!! + */ + +/* 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. +change of default options: +- cosinus weighted calculation of the background luminance (according to CIE) is now default. +- absolute threshold for the glare source detection is now default (2000cd/m2), based on study of C. Pierson + */ + +/* evalglare.c, v2.06 2018/08/29 +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. + */ + +/* evalglare.c, v2.07 2018/11/06 +bugfix: correction of error in the equations of PGSV_con and PGSV_sat +all three PGSV equations are calculated now +illuminance from the masking area (E_v_mask) is also printed +bugfix: in VCPs error fuction equation, value of 6.347 replaced by 6.374 + */ #define EVALGLARE #define PROGNAME "evalglare" -#define VERSION "2.02 release 28.02.2017 by EPFL, J.Wienold" +#define VERSION "2.07 release 17.11.2018 by EPFL, J.Wienold" #define RELEASENAME PROGNAME " " VERSION @@ -1172,7 +1195,7 @@ float get_vcp(float dgr ) { float vcp; - vcp = 50 * erf((6.347 - 1.3227 * log(dgr)) / 1.414213562373) + 50; + vcp = 50 * erf((6.374 - 1.3227 * log(dgr)) / 1.414213562373) + 50; if (dgr > 750) { vcp = 0; } @@ -1343,18 +1366,23 @@ float get_cgi(pict * p, double E_v, double E_v_dir, in return cgi; } -/* 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! */ -float get_pgsv(double E_v, double E_mask,double omega_mask,double lum_mask_av) + + +/* 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! */ +float get_pgsv_con(double E_v, double E_mask,double omega_mask,double lum_mask_av, double Lavg) { - float pgsv; + float pgsv_con; double Lb; - Lb = (E_v-E_mask)/1.414213562373; +/* Lb = (E_v-E_mask)/3.14159265359; */ +/* Lb = (2*E_v-lum_mask_av*omega_mask)/(2*3.14159265359-omega_mask); */ + Lb = (2*3.14159265359*Lavg-lum_mask_av*omega_mask)/(2*3.14159265359-omega_mask); - pgsv =3.2*log10(lum_mask_av)-0.64*log10(omega_mask)+(0.79*log10(omega_mask)-0.61)*log10(Lb)-8.2 ; + pgsv_con =3.2*log10(lum_mask_av)-0.64*log10(omega_mask)+(0.79*log10(omega_mask)-0.61)*log10(Lb)-8.2 ; - return pgsv; + + return pgsv_con; } /* 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! */ @@ -1362,15 +1390,38 @@ float get_pgsv_sat(double E_v) { float pgsv_sat; - pgsv_sat =3.3-(0.57+3.3)/pow((1+E_v/1.414213562373/1250),1.7); + pgsv_sat =3.3-(0.57+3.3)/(1+pow(E_v/3.14159265359/1250,1.7)); return pgsv_sat; } +/* 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! */ +float get_pgsv(double E_v, double E_mask,double omega_mask,double lum_mask_av,double Ltask, double Lavg) +{ + float pgsv; + double Lb; +/* Lb = (E_v-E_mask)/3.14159265359; */ +/* Lb = (2*E_v-lum_mask_av*omega_mask)/(2*3.14159265359-omega_mask); */ + Lb = (2*3.14159265359*Lavg-lum_mask_av*omega_mask)/(2*3.14159265359-omega_mask); + + if (Lb==0.0 ) { + fprintf(stderr, " warning: Background luminance is 0 or masking area = full image! pgsv cannot be calculated (set to -99)!!\n"); + pgsv=-99; + }else{ + if ( (lum_mask_av/Lb) > (E_v/(3.14159265359*Ltask))) { + pgsv=get_pgsv_con(E_v,E_mask,omega_mask,lum_mask_av, Lavg); + }else{ + pgsv=get_pgsv_sat(E_v) ; + }} + return pgsv; +} + + + #ifdef EVALGLARE @@ -1385,11 +1436,11 @@ int main(int argc, char **argv) pict *pm = pict_create(); int skip_second_scan,calcfast,age_corr,cut_view,cut_view_type,calc_vill, output, detail_out2, x1,y1, fill, yfillmax, yfillmin, ext_vill, set_lum_max, set_lum_max2, img_corr,x_disk,y_disk,task_color, i_splitstart,zones,act_gsn,splitgs, - i_split, posindex_2, task_lum, checkfile, rval, i, i_max, x, y,x2,y2,x_zone,y_zone, i_z1, i_z2, + 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, igs, actual_igs, lastpixelwas_gs, icol, xt, yt, change,checkpixels, before_igs, sgs, splithigh,uniform_gs,x_max, y_max,y_mid, detail_out, posindex_picture, non_cos_lb, rx, ry, rmx,rmy,apply_disability,band_calc,band_color,masking,i_mask,no_glaresources,force; - 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, - 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, + double LUM_replace,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, + E_vl_ext, lum_max, new_lum_max, r_center, ugp, ugr_exp, dgi_mod,lum_a, E_v_mask,angle_disk,dist,n_corner_px,zero_corner_px, search_pix, a1, a2, a3, a4, a5, c3, c1, c2, r_split, max_angle,r_actual,lum_actual,dir_ill, omegat, sang, E_v, E_v2, E_v_dir, avlum, act_lum, ang, angle_z1, angle_z2,per_95_band,per_75_band,pos, 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, @@ -1399,7 +1450,7 @@ int main(int argc, char **argv) lum_z1[1],lum_z1_av,lum_z1_std[1],lum_z1_median[1],omega_z1,bbox_z1[2], lum_z2[1],lum_z2_av,lum_z2_std[1],lum_z2_median[1],omega_z2,bbox_z2[2], lum_pos[1],lum_nopos_median[1],lum_pos_median[1],lum_pos2_median[1],lum_pos_mean,lum_pos2_mean; - float lum_task, lum_thres, dgi, vcp, cgi, ugr, limit, dgr, + float lum_task, lum_thres, dgi, vcp, cgi, ugr, limit, dgr,pgsv ,pgsv_sat,pgsv_con, abs_max, Lveil; char maskfile[500],file_out[500], file_out2[500], version[500]; char *cline; @@ -1461,6 +1512,7 @@ int main(int argc, char **argv) lum_band_av = 0.0; omega_band = 0.0; pgsv = 0.0 ; + pgsv_con = 0.0 ; pgsv_sat = 0.0 ; E_v_mask = 0.0; lum_z1_av = 0.0; @@ -1502,7 +1554,8 @@ int main(int argc, char **argv) omega_cos_contr = 0.0; lum_ideal = 0.0; max_angle = 0.2; - lum_thres = 5.0; + lum_thres = 2000.0; + lum_task = 0.0; task_lum = 0; sgs = 0; splithigh = 1; @@ -1520,7 +1573,7 @@ int main(int argc, char **argv) c1 = 5.87e-05; c2 = 0.092; c3 = 0.159; - non_cos_lb = 1; + non_cos_lb = 0; posindex_2 = 0; task_color = 0; limit = 50000.0; @@ -1542,6 +1595,8 @@ int main(int argc, char **argv) omega_mask=0.0; i_mask=0; actual_igs=0; + LUM_replace=0; + thres_activate=0; /* command line for output picture*/ cline = (char *) malloc(CLINEMAX+1); @@ -1592,6 +1647,7 @@ int main(int argc, char **argv) break; case 'b': lum_thres = atof(argv[++i]); + thres_activate = 1; break; case 'c': checkfile = 1; @@ -1680,10 +1736,25 @@ int main(int argc, char **argv) strcpy(file_out2, argv[++i]); /* printf("max lum set to %f\n",new_lum_max);*/ break; + case 'O': + img_corr = 1; + set_lum_max2 = 3; + x_disk = atoi(argv[++i]); + y_disk = atoi(argv[++i]); + angle_disk = atof(argv[++i]); + LUM_replace = atof(argv[++i]); + strcpy(file_out2, argv[++i]); +/* printf("max lum set to %f\n",new_lum_max);*/ + break; - case 'n': + +/* deactivated case 'n': non_cos_lb = 0; break; +*/ + case 'q': + non_cos_lb = atoi(argv[++i]); + break; case 't': task_lum = 1; @@ -1785,6 +1856,11 @@ int main(int argc, char **argv) } } +/* set multiplier for task method to 5, if not specified */ + +if ( task_lum == 1 && thres_activate == 0){ + lum_thres = 5.0; +} /*fast calculation, if gendgp_profile is used: No Vertical illuminance calculation, only dgp is calculated*/ if (output == 1 && ext_vill == 1 ) { @@ -2083,8 +2159,9 @@ if (cut_view==2) { lum_pos_mean= lum_pos_mean/sang; lum_pos2_mean= lum_pos2_mean/sang; - if (set_lum_max2 >= 1 && E_v_contr > 0 && (E_vl_ext - E_v) > 0) { + if ((set_lum_max2 >= 1 && E_v_contr > 0 && (E_vl_ext - E_v) > 0 ) || set_lum_max2==3) { + if (set_lum_max2<3){ lum_ideal = (E_vl_ext - E_v + E_v_contr) / omega_cos_contr; if (set_lum_max2 == 2 && lum_ideal >= 2e9) { printf("warning! luminance of replacement pixels would be larger than 2e9 cd/m2. Value set to 2e9cd/m2!\n") ; @@ -2095,6 +2172,8 @@ if (cut_view==2) { } printf("change luminance values!! lum_ideal,setvalue,E_vl_ext,E_v,E_v_contr %f %f %f %f %f\n", lum_ideal, setvalue, E_vl_ext, E_v, E_v_contr); + }else{setvalue=LUM_replace; + } for (x = 0; x < pict_get_xsize(p); x++) @@ -2114,7 +2193,7 @@ if (cut_view==2) { pict_get_color(p, x, y)[BLU] = setvalue / 179.0; - }else{ if(set_lum_max2 ==2 ) { + }else{ if(set_lum_max2 >1 ) { r_actual =acos(DOT(pict_get_cached_dir(p, x_disk, y_disk), pict_get_cached_dir(p, x, y))) * 2; if (x_disk == x && y_disk==y ) r_actual=0.0; @@ -2127,9 +2206,7 @@ if (cut_view==2) { pict_get_color(p, x, y)[BLU] = setvalue / 179.0; - } - - + } } } } @@ -2513,6 +2590,11 @@ if (calcfast ==1 || search_pix <= 1.0 || calcfast == 2 lum_backg = lum_backg_cos; } + if (non_cos_lb == 2) { + lum_backg = E_v / 3.1415927; + } + + /* file writing NOT here if (checkfile == 1) { pict_write(p, file_out); @@ -2564,12 +2646,21 @@ if (calcfast ==1 || search_pix <= 1.0 || calcfast == 2 muc_rvar_get_median(s_mask,lum_mask_median); muc_rvar_get_bounding_box(s_mask,bbox); /* PSGV only why masking of window is applied! */ - pgsv = get_pgsv(E_v, E_v_mask, omega_mask, lum_mask_av); + + + if (task_lum == 0 || lum_task == 0.0 ) { + fprintf(stderr, " warning: Task area not set or task luminance=0 ! pgsv cannot be calculated (set to -99)!!\n"); + pgsv = -99; + } else { + pgsv = get_pgsv(E_v, E_v_mask, omega_mask, lum_mask_av,lum_task,avlum); + } + + pgsv_con = get_pgsv_con(E_v, E_v_mask, omega_mask, lum_mask_av,avlum); pgsv_sat =get_pgsv_sat(E_v); if (detail_out == 1) { - 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 ); + 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 ); }