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// Number methods
p=Number.prototype;
p.accuracy = function(ln) {
var n = Math.pow(10, ln || 0);
return Math.round(this * n) / n
};
p.fill=function(ipart, fpart) {
var i, v=(fpart!=null?this.toFixed(fpart):this+"");
if ((i = v.indexOf(".")) > -1) ipart+=v.substr(i).length;
while (v.length<ipart) v=0+v;
return v
};
p.lead=function(ln) {
var v=this+"";
while (v.length<ln+1) v=0+v;
return v
};
var selected_index = 0;
// Main
function generate_report() {
var cells = [],
reference_index = parseInt(Math.floor(rows * cols / 2.0)),
reference = results[reference_index],
Ymax = 0,
delta_cycle = {'E': 'C',
/*'C': 'ab',
'ab': 'L',*/
'C': 'E',
'L': 'E'},
deltas = [],
curdeltas = [],
result_delta_E = [],
delta_E = [],
T = [],
tolerance_nominal,
tolerance_recommended,
tolerance_nominal_max,
tolerance_recommended_max,
delta_E_tolerance_nominal = 4,
delta_E_tolerance_recommended = 2,
cls;
if (delta == 'E' || delta == 'L') {
// ISO 14861: dE*00 shall be equal or less than four and should be equal or less than two
tolerance_nominal = tolerance_nominal_max = delta_E_tolerance_nominal;
tolerance_recommended = tolerance_recommended_max = delta_E_tolerance_recommended;
}
else if (delta == 'C') {
tolerance_nominal_max = 4.5;
tolerance_recommended_max = 2;
tolerance_nominal = 3;
tolerance_recommended = 1;
}
else if (delta == 'ab') {
tolerance_nominal = tolerance_nominal_max = 2;
tolerance_recommended = tolerance_recommended_max = 1.5;
}
// Find brightest point
for (var i = 0; i < rows * cols; i ++) {
for (var j = 0; j < results[i].length; j ++) {
if (results[i][j]['XYZ'][1] > Ymax) Ymax = results[i][j]['XYZ'][1];
}
}
var scale = 100 / Ymax;
for (var i = 0; i < rows * cols; i ++) {
for (var j = 0; j < results[i].length; j ++) {
var XYZ = results[i][j]['XYZ'];
results[i][j]['XYZ_scaled'] = [scale * XYZ[0], scale * XYZ[1], scale * XYZ[2]];
results[i][j]['CCT'] = jsapi.math.color.XYZ2CorColorTemp(XYZ[0], XYZ[1], XYZ[2]);
if (i == reference_index) {
// Reference white
results[i][j]['XYZ_100'] = [XYZ[0] / reference[0]['XYZ'][1] * 100,
XYZ[1] / reference[0]['XYZ'][1] * 100,
XYZ[2] / reference[0]['XYZ'][1] * 100];
if (location.search.indexOf('debug') > -1)
console.log(i, j, 'XYZ', XYZ, '-> XYZ_100', results[i][j]['XYZ_100']);
}
}
// ISO 14861: Calculate 50% gray to white ratio R based on abs. luminance (cd/m2)
results[i]['R'] = results[i][results[i].length / 2]['XYZ'][1] / results[i][0]['XYZ'][1];
}
for (var i = 0; i < rows * cols; i ++) {
for (var j = 0; j < results[i].length; j ++) {
var XYZ = results[i][j]['XYZ'],
XYZ_scaled = results[i][j]['XYZ_scaled'];
if (i == reference_index) {
// Reference white
XYZ_100 = results[i][j]['XYZ_100'];
}
else {
// Scale luminance relative to reference luminance
results[i][j]['XYZ_100'] = XYZ_100 = [XYZ[0] / reference[0]['XYZ'][1] * 100,
XYZ[1] / reference[0]['XYZ'][1] * 100,
XYZ[2] / reference[0]['XYZ'][1] * 100];
if (location.search.indexOf('debug') > -1)
console.log(i, j, 'XYZ', XYZ, '-> XYZ_100', results[i][j]['XYZ_100']);
}
results[i][j]['Lab'] = jsapi.math.color.XYZ2Lab(XYZ_100[0], XYZ_100[1], XYZ_100[2], reference[0]['XYZ_100']);
if (location.search.indexOf('debug') > -1)
console.log(i, j, 'XYZ_100', XYZ, '-> L*a*b*', results[i][j]['Lab'], 'ref white', reference[0]['XYZ_100']);
results[i][j]['Lab_scaled'] = jsapi.math.color.XYZ2Lab(XYZ_scaled[0], XYZ_scaled[1], XYZ_scaled[2], reference[0]['XYZ_100']);
if (location.search.indexOf('debug') > -1)
console.log(i, j, 'XYZ_100', XYZ, '-> L*a*b* (scaled)', results[i][j]['Lab_scaled'], 'ref white', reference[0]['XYZ_100']);
}
// ISO 14861: Calculate new ratio T by dividing gray/white ratio by reference gray/white ratio, subtracting one and calculating the absolute value
T.push(Math.abs(results[i]['R'] / reference['R'] - 1));
}
for (var i = 0; i < rows * cols; i ++) {
deltas.push([]);
curdeltas.push([]);
result_delta_E.push([]);
for (var j = 0; j < results[i].length; j ++) {
var rLab = reference[j]['Lab'],
Lab = results[i][j]['Lab'],
curdelta = jsapi.math.color.delta(rLab[0], rLab[1], rLab[2], Lab[0], Lab[1], Lab[2], "2k"),
delta_ab = [curdelta['a'], curdelta['b']];
curdelta['ab'] = jsapi.math.max(delta_ab) - jsapi.math.min(delta_ab);
deltas[i].push(curdelta);
curdeltas[i].push(curdelta[delta]);
result_delta_E[i].push(curdelta['E']);
delta_E.push(curdelta['E']);
}
}
// ISO 14861:2015 tone uniformity
var delta_E_max = jsapi.math.max(delta_E), delta_E_max_color = '', delta_E_max_mark = ' \u25cf';
if (delta_E_max <= delta_E_tolerance_recommended)
delta_E_max_color = 'green';
else if (delta_E_max <= delta_E_tolerance_nominal)
delta_E_max_color = 'yellow';
else
delta_E_max_color = 'red';
// ISO 14861:2015 deviation from uniform tonality (contrast deviation)
// Technically, ISO 12646:2015 has caught up with ISO 14861
var T_max = jsapi.math.max(T), T_max_color = '', T_max_mark = ' \u25cf',
T_tolerance_nominal = 0.1;
if (delta != 'E')
T_max_mark = '';
else if (T_max < T_tolerance_nominal)
T_max_color = 'green';
else
T_max_color = 'red';
// Generate HTML report
for (var i = 0; i < rows * cols; i ++) {
var cellcontent = [],
Y_diff = [],
Y_diff_percent = [],
rgb,
CCT = [],
CCT_diff = [],
CCT_diff_percent = [],
CT = [],
CT_diff = [],
CT_diff_percent = [];
for (var j = 0; j < results[i].length; j ++) {
var Lab = results[i][j]['Lab'],
Lab_scaled = results[i][j]['Lab_scaled'],
line = '<strong class="rgb_toggle" onclick="window.selected_index = ' + j + '; generate_report()" title="L*a*b* ' + Lab[0].accuracy(2) + ' ' + Lab[1].accuracy(2) + ' ' + Lab[2].accuracy(2) + '">' + (100 - j * 25) + '%:</strong> ' + results[i][j]['XYZ'][1].accuracy(2) + ' cd/m²';
CCT.push(results[i][j]['CCT']);
CT.push(results[i][j]['C' + locus.substr(0, 1) + 'T']);
if (results[i] == reference) {
line = '</td><td>' + line;
line += ' (' + (reference[j]['XYZ'][1] / reference[0]['XYZ'][1] * 100).accuracy(2) + '%)' + '</td><td>' + (j == 0 ? '<span id="info_toggle" onclick="document.body.className = document.body.className == "info" ? "toggle" : "info";" title="Toggle Information Display"><svg width="12" height="12" viewBox="-0.6 -0.6 176 176"><path d="M0,87.7C0,39.2,39.2,0,87.7,0l0,0v15v15c-16,0-30.3,6.4-40.8,16.9l0,0C36.4,57.4,30,71.7,30,87.7l0,0 c0,16,6.4,30.3,16.9,40.8l0,0c10.5,10.5,24.8,16.9,40.8,16.9l0,0c16,0,30.3-6.4,40.8-16.9l0,0c10.5-10.5,16.9-24.8,16.9-40.8l0,0 c0-16-6.4-30.3-16.9-40.8l0,0C118,36.4,103.6,30,87.7,30l0,0V15V0c48.4,0,87.7,39.2,87.7,87.7l0,0c0,48.4-39.2,87.7-87.7,87.7l0,0 C39.2,175.3,0,136.1,0,87.7L0,87.7z" /><path d="M72.7,115.4v-55c0-8.3,6.7-15,15-15l0,0c8.3,0,15,6.7,15,15l0,0v55c0,8.3-6.7,15-15,15l0,0 C79.4,130.4,72.7,123.6,72.7,115.4L72.7,115.4z" /></svg></span>' : '');
//line += '</td></tr>\n<tr><td></td><td><abbr title="Correlated Color Temperature">CCT</abbr> ' + Math.round(CCT[j]) + 'K, <abbr class="locus_toggle" title="Closest ' + locus + ' Temperature" onclick="window.locus = "' + (locus == 'Daylight' ? 'Planckian' : 'Daylight') + '"; generate_report()">C' + locus.substr(0, 1) + 'T</abbr> ' + Math.round(CT[j]) + 'K></td><td>';
}
else {
var color = '', mark = ' \u25cf', Y_color = color, Y_mark = mark;
CCT_diff.push(-(reference[j]['CCT'] - results[i][j]['CCT']));
CCT_diff_percent.push(100.0 / reference[j]['CCT'] * CCT_diff[j]);
CT_diff.push(-(reference[j]['C' + locus.substr(0, 1) + 'T'] - CT[j]));
CT_diff_percent.push(100.0 / reference[j]['C' + locus.substr(0, 1) + 'T'] * CT_diff[j]);
Y_diff.push(-(reference[j]['XYZ'][1] - results[i][j]['XYZ'][1]));
Y_diff_percent.push(100.0 / reference[0]['XYZ'][1] * Y_diff[j]);
if (delta == 'E' || delta == 'C')
Y_mark = '';
else if (Math.abs(Y_diff_percent[j]) <= 5)
Y_color = 'green';
else if (Math.abs(Y_diff_percent[j]) <= 10)
Y_color = 'yellow';
else
Y_color = 'red';
if (Math.abs(deltas[i][j][delta]) <= tolerance_recommended_max)
color = 'green';
else if (Math.abs(deltas[i][j][delta]) <= tolerance_nominal_max)
color = 'yellow';
else
color = 'red';
line = (Y_mark ? '<span class="mark ' + Y_color + '">' + Y_mark + '</span>' : '') + (mark ? '<span class="mark ' + color + '">' + mark + '</span>' : '') + '</td><td>' + line;
line += ' <span' + (Y_mark ? ' title="Nominal <= 10%, recommended <= 5%"' : '') + '>(' + (Y_diff_percent[j] > 0 ? '+' : '') + Y_diff_percent[j].accuracy(2) + '%)</span>, <span class="delta_toggle" onclick="window.delta = "' + delta_cycle[delta] + '"; generate_report()" title="Nominal <= ' + tolerance_nominal_max.accuracy(2) + ', recommended <= ' + tolerance_recommended_max.accuracy(2) + '">' + deltas[i][j][delta].accuracy(2) + ' Δ' + delta + '*00</span>';
//line += '</td></tr>\n<tr><td></td><td><abbr title="Correlated Color Temperature">CCT</abbr> ' + Math.round(CCT[j]) + 'K (' + (CCT_diff_percent[j] > 0 ? '+' : '') + CCT_diff_percent[j].accuracy(2) + '%), <abbr class="locus_toggle" title="Closest ' + locus + ' Temperature" onclick="window.locus = "' + (locus == 'Daylight' ? 'Planckian' : 'Daylight') + '"; generate_report()">C' + locus.substr(0, 1) + 'T</abbr> ' + Math.round(CT[j]) + 'K (' + (CT_diff_percent[j] > 0 ? '+' : '') + CT_diff_percent[j].accuracy(2) + '%)>';
}
if (j == selected_index) {
//rgb = jsapi.math.color.Lab2RGB(Lab_scaled[0], Lab_scaled[1], Lab_scaled[2], reference[0]['XYZ_100'], null, 255, true);
rgb = [Math.round(255 * (1 - j / results[i].length)),
Math.round(255 * (1 - j / results[i].length)),
Math.round(255 * (1 - j / results[i].length))];
if (results[i] == reference) {
if (j == 3)
cls = 'dark';
else if (j == 2)
cls = 'dim';
else if (j)
cls = 'avg';
else
cls = '';
}
}
cellcontent.push(line);
}
if (results[i] == reference) {
//line = '</td><td>strong>Average:</strong</td><td></td></tr>\n<tr><td></td><td><abbr title="Correlated Color Temperature">CCT</abbr> ' + Math.round(jsapi.math.avg(CCT)) + 'K, <abbr class="locus_toggle" title="Closest ' + locus + ' Temperature" onclick="window.locus = "' + (locus == 'Daylight' ? 'Planckian' : 'Daylight') + '"; generate_report()">C' + locus.substr(0, 1) + 'T</abbr> ' + Math.round(jsapi.math.avg(CT)) + 'K</td><td';
// ISO 14861:2015 tone uniformity
/*line = '</td></tr>\n<tr><td></td><td> </td><td></td></tr>\n<tr><td><span class="mark ' + delta_E_max_color + '">' + delta_E_max_mark + '</span></td><td><strong>Maximum ΔE*00:</strong> ' + delta_E_max.accuracy(2) + '</td><td>';
// ISO 14861:2015 deviation from uniform tonality (contrast deviation)
// Technically, ISO 12646:2015 has caught up with ISO 14861
line += '</td></tr>\n<tr><td><span class="mark ' + T_max_color + '">' + T_max_mark + '</span></td><td><strong>Maximum contrast deviation:</strong> ' + (T_max * 100).accuracy(2) + '%</td><td>';
if (T_max < T_tolerance_nominal && delta_E_max <= delta_E_tolerance_nominal) {
var msg_mark = '\u2713';
if (delta_E_max <= delta_E_tolerance_recommended)
var msg_color = 'green', msg = 'Recommended tolerance passed';
else
var msg_color = 'yellow', msg = 'Nominal tolerance passed';
}
else
var msg_color = 'red', msg_mark = '\u2716', msg = 'Nominal tolerance exceeded';
line += '</td></tr>\n<tr><td><strong class="msg ' + msg_color + '">' + msg_mark + '</strong></td><td><strong class="msg ' + msg_color + '">' + msg + '</strong></td><td>';*/
line = '</td></tr>\n<tr><td colspan="3"> </td></tr>\n<tr><td></td><td colspan="2">Evaluation criteria:<br /><select onchange="window.delta = this.options[this.selectedIndex].value; generate_report()"><option value="E"' + (delta == 'E' ? ' selected="selected"' : '') + '>ISO 14861:2015</option><option value="C"' + (delta == 'C' ? ' selected="selected"' : '') + '>Average luminance & ΔC*00</option></select>' + (delta == 'E' && (rows < 5 || cols < 5) ? '</td></tr>\n<tr><td><span class="msg orange">\u26A0</span></td><td colspan="2"><span class="msg orange">ISO 14861:2015 mandates at least a 5 × 5 grid</span>' : '');
}
else {
var delta_avg = jsapi.math.avg(curdeltas[i]),
delta_max = jsapi.math.absmax(curdeltas[i]),
Y_diff_percent_avg = jsapi.math.avg(Y_diff_percent),
Y_diff_percent_max = jsapi.math.absmax(Y_diff_percent),
color = '', mark = ' \u25cf', Y_color = color, Y_mark = mark;
if (delta == 'E')
Y_mark = '';
else if (Math.abs(Y_diff_percent_avg) <= 5)
Y_color = 'green';
else if (Math.abs(Y_diff_percent_avg) <= 10)
Y_color = 'yellow';
else
Y_color = 'red';
if (Math.abs(delta_avg) <= tolerance_recommended)
color = 'green';
else if (Math.abs(delta_avg) <= tolerance_nominal)
color = 'yellow';
else
color = 'red';
line = '</td><td> </td></tr>\n<tr><td>' + (Y_mark ? '<span class="mark ' + Y_color + '">' + Y_mark + '</span>' : '') + (mark ? '<span class="mark ' + color + '">' + mark + '</span>' : '') + '</td><td><strong>Average:</strong> ' + (Y_diff_percent_avg > 0 ? '+' : '') + jsapi.math.avg(Y_diff).accuracy(2) + ' cd/m² <span' + (Y_mark ? ' title="Nominal <= 10%, recommended <= 5%"' : '') + '>(' + (Y_diff_percent_avg > 0 ? '+' : '') + Y_diff_percent_avg.accuracy(2) + '%)</span>, <span class="delta_toggle" onclick="window.delta = "' + delta_cycle[delta] + '"; generate_report()"' + (delta == 'C' ? ' title="Nominal <= ' + tolerance_nominal.accuracy(2) + ', recommended <= ' + tolerance_recommended.accuracy(2) + '"' : '') + '>' + delta_avg.accuracy(2) + ' Δ' + delta + '*00</span></td>';
//line += '</tr>\n<tr><td></td><td><abbr title="Correlated Color Temperature">CCT</abbr> ' + Math.round(jsapi.math.avg(CCT)) + 'K (' + (jsapi.math.avg(CCT_diff_percent) > 0 ? '+' : '') + jsapi.math.avg(CCT_diff_percent).accuracy(2) + '%), <abbr class="locus_toggle" title="Closest ' + locus + ' Temperature" onclick="window.locus = "' + (locus == 'Daylight' ? 'Planckian' : 'Daylight') + '"; generate_report()">C' + locus.substr(0, 1) + 'T</abbr> ' + Math.round(jsapi.math.avg(CT)) + 'K (' + (jsapi.math.avg(CT_diff_percent) > 0 ? '+' : '') + jsapi.math.avg(CT_diff_percent).accuracy(2) + '%)>';
Y_mark = mark;
if (delta == 'E' || delta == 'C')
Y_mark = '';
else if (Math.abs(Y_diff_percent_avg) <= 5)
Y_color = 'green';
else if (Math.abs(Y_diff_percent_avg) <= 10)
Y_color = 'yellow';
else
Y_color = 'red';
// ISO 14861:2015 tone uniformity
var result_delta_max_color = '', result_delta_max_mark = ' \u25cf';
if (delta_max <= tolerance_recommended_max)
result_delta_max_color = 'green';
else if (delta_max <= tolerance_nominal_max)
result_delta_max_color = 'yellow';
else
result_delta_max_color = 'red';
line += '</tr>\n<tr><td>' + (Y_mark ? '<span class="mark ' + Y_color + '">' + Y_mark + '</span>' : '') + '<span class="mark ' + result_delta_max_color + '">' + result_delta_max_mark + '</span></td><td><strong>Maximum:</strong> ' + (Y_diff_percent_max > 0 ? '+' : '') + jsapi.math.absmax(Y_diff).accuracy(2) + ' cd/m² <span' + (Y_mark ? ' title="Nominal <= 10%, recommended <= 5%"' : '') + '>(' + (Y_diff_percent_max > 0 ? '+' : '') + Y_diff_percent_max.accuracy(2) + '%)</span>, <span class="delta_toggle" onclick="window.delta = "' + delta_cycle[delta] + '"; generate_report()" title="Nominal <= ' + tolerance_nominal_max.accuracy(2) + ', recommended <= ' + tolerance_recommended_max.accuracy(2) + '">' + delta_max.accuracy(2) + ' Δ' + delta + '*00</span>';
// ISO 14861:2015 deviation from uniform tonality (contrast deviation)
// Technically, ISO 12646:2015 has caught up with ISO 14861:2015
var T_color = '', T_mark = ' \u25cf';
if (delta != 'E')
T_mark = '';
else if (T[i] < T_tolerance_nominal)
T_color = 'green';
else
T_color = 'red';
line += '</td></tr>\n<tr><td>' + (T_mark ? '<span class="mark ' + T_color + '">' + T_mark + '</span>' : '') + '</td><td><strong>Contrast deviation:</strong> <span' + (delta == 'E' ? ' title="Nominal < 10%"' : '') + '>' + (T[i] * 100).accuracy(2) + '%</span>';
if ((delta == 'E' ? T[i] < T_tolerance_nominal : Y_diff_percent_avg < 10) && delta_max <= tolerance_nominal_max && delta_avg <= tolerance_nominal) {
var msg_mark = '\u2713';
if (delta_max <= tolerance_recommended_max && delta_avg <= tolerance_recommended)
var msg_color = 'green', msg = 'Recommended tolerance passed';
else
var msg_color = 'yellow', msg = 'Nominal tolerance passed';
}
else
var msg_color = 'red', msg_mark = '\u2716', msg = 'Nominal tolerance exceeded';
line += '</td></tr>\n<tr><td><strong class="msg ' + msg_color + '">' + msg_mark + '</strong></td><td><strong class="msg ' + msg_color + '">' + msg + '</strong>';
}
cellcontent.push(line);
cells.push('<td id="cell-' + i + '" style="background-color: rgb(' + rgb[0] + ', ' + rgb[1] + ', ' + rgb[2] + '); height: ' + (100 / rows) + '%; width: ' + (100 / cols) + '%;" class="' + (i == reference_index ? 'reference ' : msg_color) + '"><table><tr><td>' + cellcontent.join('</td></tr>\n<tr><td>') + '</td></tr></table></td>');
if ((i + 1) % self.cols == 0 && i + 1 < self.rows * self.cols) {
cells[cells.length - 1] += '</tr>\n<tr>';
}
}
document.getElementsByTagName('body')[0].innerHTML = '<table id="report"' + (cls ? ' class="' + cls + '"' : '') + '><tbody><tr>' + cells.join('') + '</tr></tbody></table>';
};
window.onload = generate_report;
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