Glare Evaluation — UGR  (CIE 117 / CIE 190, SHR = 0.25)
{% if data.isym in (1, 4) and data.ugr %}
{% for ref in data.ugr.reflectances %}{% endfor %} {% for ref in data.ugr.reflectances %}{% endfor %} {% for ref in data.ugr.reflectances %}{% endfor %} {% for ref in data.ugr.reflectances %}{% endfor %} {% for ref in data.ugr.reflectances %}{% endfor %} {% for ref in data.ugr.reflectances %}{% endfor %} {% set sep_indices = [0, 6, 12, 16] %} {% for i in range(19) %} {% set room = data.ugr.room_sizes[i] %} {% set x_h = room[0] %} {% set y_h = room[1] %} {% set row_cw = data.ugr.values["crosswise"][i] %} {% set row_ew = data.ugr.values["endwise"][i] %} {% set is_hl_room = (x_h == 4 and y_h == 8) or (x_h == 8 and y_h == 4) %} {% for c in range(5) %} {% endfor %} {% for c in range(5) %} {% endfor %} {% endfor %}
ρ Ceiling{{ ref[0] }}{{ ref[0] }}
ρ Walls{{ ref[1] }}{{ ref[1] }}
ρ Floor{{ ref[2] }}{{ ref[2] }}
Room size
XY		 Viewing direction at right angles (crosswise) Viewing direction parallel (endwise)
{{ x_h }}H {{ y_h }}H{{ row_cw[c] | ugr_fmt }}{{ row_ew[c] | ugr_fmt }}
Corrected UGR — luminous flux Φ = {{ (data.lamp_count * data.lamp_flux) | thousands }} lm  (CIE 190:2010 §4.1) SHR = {{ data.ugr.shr }}
{% else %}
⚠  The UGR method is not applicable for this luminaire (ISYM = {{ data.isym }} — asymmetric intensity distribution).
{% endif %}