Last lane axis (ite = nlems)
Q Follow 5 Tl%
Figure A.6 — Calculation process of veiling luminance (part of /ті)
Figure A.7 — Calculation process of threshold increment/ті
Figure A.8 — Calculation process of edge illuminance ratio Rei
Figure A.9 — Subroutine for edge illuminance ratio evaluation
Annex В
(informative)
Extended r-table format for low mounting height luminaire
This extended format in tan e is needed when the mounting height of luminaires is very low (W < 2 m). In that case, the distance from the luminaires to certain points of the calculation grid is greater than 5H or even 12H and Table 3 cannot be used so that luminance at these points cannot be evaluated.
Table B.l is therefore extended in tan e up to 20 by 0,5 increment for every p angle (the number and values of p angles remain the same as those in Table 3).
Similarly to Table 3:
all values are given for each combination of couple of angles (tan e; fi} but with a format of one decimal place;
the values of these tables are also 104 * r (tan e; p).
The shaded cells of the Table B.l show the possible extension from conventional measurements of samples of road surfaces in a photometric laboratory. It should be noted that measurements up to tan e = 20 become necessary when the mounting height of the light source if less than 1 m. In this last case the measurements are possible only on site, on a section of the road surface.
Table B.l — Angular intervals and directions to be used in collecting road surface reflection data in the case of extended r-tables used with very low mounting heights luminaires or car headlights
tan E |
Pin degrees |
|||||||||||||||||||
|
0 |
2 |
5 |
10 |
15 |
20 |
25 |
30 |
35 |
40 |
45 |
60 |
75 |
90 |
105 |
120 |
135 |
150 |
165 |
180 |
0 |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
0,25 |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
0,5 |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
0,75 |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
1 |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
1,25 |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
1,5 |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
1,75 |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
2 |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
2,5 |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
3 |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
3,5 |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
4 |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
4,5 |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
5 |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
5,5 |
|
X |
X |
|
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
|
6 |
X |
X |
|
X |
х |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
|
6,5 |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X’ |
X |
X |
X |
X |
ІМ11 |
X |
|
х. ' |
-,Х |
, X. |
7 |
X |
X |
X |
X |
X |
X |
X |
X |
X |
ІИІ |
X |
X |
X |
X |
X |
ИИИ |
■■■ |
|
,/х- |
''Х , |
7,5 |
X |
X |
X |
X |
X |
X |
X |
X |
X |
ми |
м |
X |
1111 |
ИіІ |
ІМІ |
ИМИ |
|
|
X |
|
8 |
X |
X |
X |
X |
X |
X |
X |
X |
X |
її |
м |
X |
м |
X |
|
|
ими |
X |
|
X |
8,5 |
X |
X |
X |
X |
X |
X |
X |
X |
X |
■ИІ |
и |
X |
X |
и |
X |
|
X' |
X’ |
мм |
. X |
9 |
X |
X |
X |
X |
X |
X |
ВІ |
X |
X ■ |
X/ |
/Ху |
X |
III |
.X |
ИИІ |
X |
х.1 |
им |
X |
X |
9,5 |
X |
X |
X |
X |
X |
X |
■% |
|
X |
X |
■х;.’ |
<*• |
X ■ |
н |
•л- |
НИМ |
'■■X < |
х; |
X |
X |
10 |
X |
X |
X |
X |
X |
X |
X" |
|
3! |
■II |
|
£х-£ |
|
й; |
ИИИ |
ИМ |
t Л:'.і. |
л |
■'Х’ ■ |
X |
10,5 |
X |
X |
X |
X |
X |
X |
|
X’ |
■В |
ми |
;х$ |
|
|
& |
иии |
X |
|
|
4 |
X |
11 |
X |
X |
X |
X |
X |
X |
|
*х |
М |
Х-, |
■X'1 |
Л |
3* |
-X |
ми |
•' х ■: •ГУ'ЖігГ’адЬ |
|
МВІ |
;-х' |
X |
11,5 |
X |
X |
X |
X |
X |
X |
X |
X |
■ |
а |
В |
Д |
< |
X- |
' X |
Bi |
Мм |
■х’ |
-Jx, |
X |
12 |
X |
X |
X |
X |
X |
|
X |
и |
X |
X' |
,х |
м |
|
|
X |
X |
•.х?.. |
шш |
х‘ ‘ |
X |
12,5 |
X |
X |
в |
и |
|
X' |
■ |
х; |
X, |
:х. |
,х |
ІИІ |
|
в» ж® |
ІИІ |
ИИММИ |
Ху |
X . |
|
■ X |
13 |
X |
X |
X . |
X |
•?Х|. |
X" |
н |
‘X |
■ |
. X- |
|
т |
;Х? |
і* |
■М |
X . |
|
;^х-& |
|
j>X'- |
13,5 |
X |
ljjj |
и |
III |
X- |
■1 |
И |
|
вя |
ІИІ |
Д" |
<х‘ |
ИИ |
6 |
Mil |
X |
|
•-V |
|
■ X. |
14 |
X |
X |
III |
■ |
X |
X |
• X |
ІИІ |
.-.V |
И |
g|y |
X |
л.х |
х; |
|
f|x|| |
Ь-Х'^ |
: х?.' |
X |
. X ■ |
14,5 |
X |
И] |
III |
X - |
МИ |
X |
X |
х: |
|
•;Х, |
ШІ |
-X. |
И |
X |
им |
Иш |
•х* |
■X |
' X |
, ■. X |
15 |
X |
X |
и |
. х‘. |
|
ijx? |
ІИІ |
|
я |
И |
X |
X |
ИІ |
и |
X |
X |
|
|
Mill |
X |
15,5 |
X |
X |
* |
4 |
лх |
X |
X;; |
|
|
х |
X |
X |
III |
X |
X |
X |
х |
ИИИ |
ИМ |
X |
16 |
X |
и |
|
in |
:-Х. |
'X |
|
|
Зі |
|
Д |
|
X. |
X *3 |
и |
Ий |
X 'a.F |
X |
X |
X |
16,5 |
X |
ИВ |
•й |
Еї |
|
■'х’' |
|
|xj |
їй |
|
й- |
ВІН |
м |
X |
'X- |
nm |
мим |
ІИІ |
X |
X |
17 |
X |
X |
|
|
X? |
|
ж |
їх? |
W |
Xй' |
|
в |
X |
в |
ИИ |
им |
НИН |
ин |
X |
X |
17,5 |
X |
X |
X |
X |
|
■ X |
|
X |
X |
X |
X |
X |
M |
ИІ |
и |
мм |
мни |
мм |
|
X |
18 |
X |
X |
х; |
X |
.Х‘ |
іиМИ |
X |
у- |
ІИІ |
ЯМ |
X |
X |
в |
X |
Ий |
|
ИИІІ |
ІМІ |
нм |
' X |
18,5 |
X |
X |
ИМ |
X |
щ |
М |
м |
и |
.X |
X |
и |
X- |
X ! |
ИІ |
X |
им |
МИЙ |
им |
|
|
19 |
X |
И |
и |
|
М |
и |
X |
X |
■Я |
X |
X |
Ю |
X |
X |
|
мм |
МИИ |
:х |
||
19,5 |
X |
X |
X |
X |
ми |
X |
ns |
и |
и |
X |
ИІ |
X |
им |
X |
X |
X |
1 |
X |
X |
|
20 |
X |
X |
ИІ |
Bill |
X |
X |
и |
ИІІ |
и |
X |
X |
X |
X |
X |
X |
иим |
MM |
X |
X |