{"id":119377,"date":"2026-11-04T12:29:48","date_gmt":"2026-11-04T11:29:48","guid":{"rendered":"https:\/\/www.reerlighting.com\/?page_id=119377"},"modified":"2026-11-04T16:33:36","modified_gmt":"2026-11-04T15:33:36","slug":"solido-fotometrico","status":"publish","type":"page","link":"https:\/\/www.reerlighting.com\/it\/risorse\/solido-fotometrico\/","title":{"rendered":"Solido Fotometrico"},"content":{"rendered":"\n\n\t<section class=\"section\" id=\"section_1082195476\">\n\t\t<div class=\"bg section-bg fill bg-fill  bg-loaded\" >\n\n\t\t\t\n\t\t\t\n\t\t\t\n\n\t\t<\/div>\n\n\t\t<div class=\"section-content relative\">\n\t\t\t\n\n<div class=\"row\"  id=\"row-922604140\">\n\n\n\t<div id=\"col-478877527\" class=\"col small-12 large-12\"  >\n\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\n\t<div id=\"text-4165404963\" class=\"text\">\n\t\t\n\n<h2>Guida al Solido Fotometrico: Curve, Diagrammi e File Digitali<\/h2>\n\t\t\n<style>\n#text-4165404963 {\n  text-align: left;\n}\n<\/style>\n\t<\/div>\n\t\n\n\t\t<\/div>\n\t\t\t<\/div>\n\n\t\n\n<\/div>\n<div class=\"row\"  id=\"row-800254861\">\n\n\n\t<div id=\"col-1991752351\" class=\"col pb-0 small-12 large-12\"  >\n\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\n<p style=\"text-align: justify;\" data-path-to-node=\"3\"><span class=\"\">Per prevedere esattamente come la luce si comporter\u00e0 nello spazio e sulle superfici architettoniche,<\/span><span class=\"\"> non basta conoscere i lumen emessi da un apparecchio.<\/span><span class=\"\"> \u00c8 necessario mapparne con precisione la distribuzione direzionale.<\/span><span class=\"\"><br \/>Questo rilievo geometrico ed energetico genera il <\/span><b data-path-to-node=\"3\" data-index-in-node=\"272\">Solido Fotometrico<\/b>, lo strumento fondamentale che permette a progettisti e lighting designer di simulare l&#8217;illuminazione in ambienti virtuali (tramite software come Dialux o Relux).<\/p>\n\n\t\t<\/div>\n\t\t\t<\/div>\n\n\t\n\n<\/div>\n\n\t\t<\/div>\n\n\t\t\n<style>\n#section_1082195476 {\n  padding-top: 30px;\n  padding-bottom: 30px;\n}\n<\/style>\n\t<\/section>\n\t\n\t<section class=\"section\" id=\"section_362587352\">\n\t\t<div class=\"bg section-bg fill bg-fill  bg-loaded\" >\n\n\t\t\t\n\t\t\t\n\t\t\t\n\n\t\t<\/div>\n\n\t\t<div class=\"section-content relative\">\n\t\t\t\n\n<div class=\"row\"  id=\"row-1918784473\">\n\n\n\t<div id=\"col-432512149\" class=\"col col-block-effetti small-12 large-12\"  >\n\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\n<h2 class=\"title1 title-high\">Cos&#8217;\u00e8 il Solido Fotometrico?<\/h2>\n\n\t\t<\/div>\n\t\t\t<\/div>\n\n\t\n\n<\/div>\n<div class=\"row\"  id=\"row-786119541\">\n\n\n\t<div id=\"col-1245964531\" class=\"col col-block-effetti medium-6 small-12 large-6\"  >\n\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\n<p data-path-to-node=\"6\">Il solido fotometrico \u00e8 la rappresentazione tridimensionale dell&#8217;<b data-path-to-node=\"6\" data-index-in-node=\"65\">intensit\u00e0 luminosa<\/b> (misurata in Candele) emessa da un corpo illuminante in tutte le direzioni dello spazio.<\/p>\n<p data-path-to-node=\"7\">Viene generato in laboratorio attraverso uno strumento chiamato <b data-path-to-node=\"7\" data-index-in-node=\"64\">goniofotometro<\/b>, che fa ruotare l&#8217;apparecchio acceso (o un sensore attorno ad esso) misurando il valore in candele per ogni angolo solido.<span class=\"\"> L&#8217;involucro tridimensionale che si ottiene unendo tutti i vettori di intensit\u00e0 \u00e8 il solido fotometrico.<\/span> La sua forma determina l'&#8221;impronta&#8221; visiva che la luce lascer\u00e0 sull&#8217;architettura.<\/p>\n\n\t\t<\/div>\n\t\t\n<style>\n#col-1245964531 > .col-inner {\n  padding: 0px 0px 0px 0px;\n}\n<\/style>\n\t<\/div>\n\n\t\n\n\t<div id=\"col-475566517\" class=\"col col-block-effetti medium-6 small-12 large-6\"  >\n\t\t<div class=\"col-inner text-center\"  >\n\t\t\t\n\t\t\t\n\n\t<div class=\"img has-hover x md-x lg-x y md-y lg-y\" id=\"image_1819574027\">\n\t\t\t\t\t\t\t\t<div class=\"img-inner dark\" >\n\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1300\" height=\"1000\" src=\"https:\/\/www.reerlighting.com\/wp-content\/uploads\/2026\/11\/Solido_fotometrico_ReeR-1.jpg\" class=\"attachment-original size-original\" alt=\"\" srcset=\"https:\/\/www.reerlighting.com\/wp-content\/uploads\/2026\/11\/Solido_fotometrico_ReeR-1.jpg 1300w, https:\/\/www.reerlighting.com\/wp-content\/uploads\/2026\/11\/Solido_fotometrico_ReeR-1-300x231.jpg 300w, https:\/\/www.reerlighting.com\/wp-content\/uploads\/2026\/11\/Solido_fotometrico_ReeR-1-1024x788.jpg 1024w, https:\/\/www.reerlighting.com\/wp-content\/uploads\/2026\/11\/Solido_fotometrico_ReeR-1-768x591.jpg 768w, https:\/\/www.reerlighting.com\/wp-content\/uploads\/2026\/11\/Solido_fotometrico_ReeR-1-500x385.jpg 500w\" sizes=\"auto, (max-width: 1300px) 100vw, 1300px\" \/>\t\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\n<style>\n#image_1819574027 {\n  width: 100%;\n}\n<\/style>\n\t<\/div>\n\t\n\n\n\t\t<\/div>\n\t\t\n<style>\n#col-475566517 > .col-inner {\n  padding: 0px 0px 0px 0px;\n}\n<\/style>\n\t<\/div>\n\n\t\n\n<\/div>\n\n\t\t<\/div>\n\n\t\t\n<style>\n#section_362587352 {\n  padding-top: 0px;\n  padding-bottom: 0px;\n  min-height: 80px;\n}\n<\/style>\n\t<\/section>\n\t\n\t<section class=\"section\" id=\"section_610441794\">\n\t\t<div class=\"bg section-bg fill bg-fill  bg-loaded\" >\n\n\t\t\t\n\t\t\t\n\t\t\t\n\n\t\t<\/div>\n\n\t\t<div class=\"section-content relative\">\n\t\t\t\n\n<div class=\"row\"  id=\"row-582219089\">\n\n\n\t<div id=\"col-1494269945\" class=\"col col-block-effetti small-12 large-12\"  >\n\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\n<h2 class=\"title1 title-high\">Dal 3D al 2D: Il Diagramma Polare (Curva Fotometrica)<\/h2>\n\n\t\t<\/div>\n\t\t\t<\/div>\n\n\t\n\n<\/div>\n<div class=\"row\"  id=\"row-21124924\">\n\n\n\t<div id=\"col-1101453077\" class=\"col col-block-effetti medium-6 small-12 large-6\"  >\n\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\n<p data-path-to-node=\"10\">Poich\u00e9 un volume 3D \u00e8 complesso da interpretare su una scheda tecnica cartacea o su un monitor, il solido viene &#8220;affettato&#8221; lungo piani verticali e orizzontali. La sezione bidimensionale che ne deriva \u00e8 la <b data-path-to-node=\"10\" data-index-in-node=\"206\">Curva Fotometrica<\/b>, solitamente rappresentata in un <b data-path-to-node=\"10\" data-index-in-node=\"257\">diagramma polare<\/b>.<\/p>\n<p data-path-to-node=\"11\">Il sistema di riferimento internazionale pi\u00f9 utilizzato per l&#8217;illuminazione tecnica \u00e8 il <b class=\"\" data-path-to-node=\"11\" data-index-in-node=\"89\">sistema C-Gamma (<em><span class=\"math-inline\" data-math=\"C-gamma\" data-index-in-node=\"106\">C-\u03b3<\/span><\/em>)<\/b>:<\/p>\n<ul data-path-to-node=\"12\">\n<li>\n<p data-path-to-node=\"12,0,0\">I piani <b data-path-to-node=\"12,0,0\" data-index-in-node=\"8\">C (0\u00b0-360\u00b0)<\/b> ruotano attorno all&#8217;asse verticale dell&#8217;apparecchio.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"12,1,0\">Gli angoli <b class=\"\" data-path-to-node=\"12,1,0\" data-index-in-node=\"11\">Gamma (<em>\u03b3<\/em> 0\u00b0-180\u00b0)<\/b> indicano l&#8217;inclinazione del fascio rispetto alla verticale (dove 0\u00b0 \u00e8 la luce puntata dritta verso il basso &#8211; <i data-path-to-node=\"12,1,0\" data-index-in-node=\"145\">Nadir<\/i>).<\/p>\n<\/li>\n<\/ul>\n<p data-path-to-node=\"13\">Nei datasheet, la curva fotometrica mostra tipicamente due piani principali:<\/p>\n<ol start=\"1\" data-path-to-node=\"14\">\n<li>\n<p data-path-to-node=\"14,0,0\"><b data-path-to-node=\"14,0,0\" data-index-in-node=\"0\">Piano C0 &#8211; C180 (linea gialla sul sito ReeR):<\/b> Sezione trasversale o asse longitudinale dell&#8217;apparecchio.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"14,1,0\"><b data-path-to-node=\"14,1,0\" data-index-in-node=\"0\">Piano C90 &#8211; C270 (linea nera sul sito ReeR):<\/b> Sezione ortogonale alla precedente.<\/p>\n<\/li>\n<\/ol>\n\n\t\t<\/div>\n\t\t\n<style>\n#col-1101453077 > .col-inner {\n  padding: 0px 0px 0px 0px;\n}\n<\/style>\n\t<\/div>\n\n\t\n\n\t<div id=\"col-1012537947\" class=\"col col-block-effetti medium-6 small-12 large-6\"  >\n\t\t<div class=\"col-inner text-center\"  >\n\t\t\t\n\t\t\t\n\n\t<div class=\"img has-hover x md-x lg-x y md-y lg-y\" id=\"image_1905142071\">\n\t\t\t\t\t\t\t\t<div class=\"img-inner dark\" >\n\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"1000\" src=\"https:\/\/www.reerlighting.com\/wp-content\/uploads\/2026\/11\/POLAR_REER_6360806.jpg\" class=\"attachment-large size-large\" alt=\"\" srcset=\"https:\/\/www.reerlighting.com\/wp-content\/uploads\/2026\/11\/POLAR_REER_6360806.jpg 1000w, https:\/\/www.reerlighting.com\/wp-content\/uploads\/2026\/11\/POLAR_REER_6360806-300x300.jpg 300w, https:\/\/www.reerlighting.com\/wp-content\/uploads\/2026\/11\/POLAR_REER_6360806-150x150.jpg 150w, https:\/\/www.reerlighting.com\/wp-content\/uploads\/2026\/11\/POLAR_REER_6360806-768x768.jpg 768w, https:\/\/www.reerlighting.com\/wp-content\/uploads\/2026\/11\/POLAR_REER_6360806-500x500.jpg 500w, https:\/\/www.reerlighting.com\/wp-content\/uploads\/2026\/11\/POLAR_REER_6360806-100x100.jpg 100w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/>\t\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\n<style>\n#image_1905142071 {\n  width: 70%;\n}\n<\/style>\n\t<\/div>\n\t\n\n\n\t\t<\/div>\n\t\t\n<style>\n#col-1012537947 > .col-inner {\n  padding: 0px 0px 0px 0px;\n}\n<\/style>\n\t<\/div>\n\n\t\n\n\t<div id=\"col-2143890682\" class=\"col col-block-effetti small-12 large-12\"  >\n\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\n<blockquote>\n<p>Se l&#8217;apparecchio ha un&#8217;ottica perfettamente circolare, le due linee si sovrapporranno in una sola.<\/p>\n<\/blockquote>\n\n\t\t<\/div>\n\t\t\n<style>\n#col-2143890682 > .col-inner {\n  padding: 0px 0px 0px 0px;\n}\n<\/style>\n\t<\/div>\n\n\t\n\n<\/div>\n\n\t\t<\/div>\n\n\t\t\n<style>\n#section_610441794 {\n  padding-top: 0px;\n  padding-bottom: 0px;\n  min-height: 80px;\n}\n<\/style>\n\t<\/section>\n\t\n\t<section class=\"section\" id=\"section_30655967\">\n\t\t<div class=\"bg section-bg fill bg-fill  bg-loaded\" >\n\n\t\t\t\n\t\t\t\n\t\t\t\n\n\t\t<\/div>\n\n\t\t<div class=\"section-content relative\">\n\t\t\t\n\n<div class=\"row\"  id=\"row-1254272675\">\n\n\n\t<div id=\"col-1737071213\" class=\"col col-block-effetti small-12 large-12\"  >\n\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\n<h2 class=\"title1 title-high\">Tipologie di Distribuzione Ottica<\/h2>\n\n\t\t<\/div>\n\t\t\t<\/div>\n\n\t\n\n<\/div>\n<div class=\"row\"  id=\"row-339627355\">\n\n\n\t<div id=\"col-1963861353\" class=\"col col-block-effetti small-12 large-12\"  >\n\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\n<p data-path-to-node=\"19\">La forma del solido definisce la classificazione ottica dell&#8217;apparecchio,<span class=\"\"> parametro vitale nella scelta del prodotto corretto per ogni applicazione outdoor o indoor.<\/span><\/p>\n\n\t\t<\/div>\n\t\t\n<style>\n#col-1963861353 > .col-inner {\n  padding: 0px 0px 0px 0px;\n}\n<\/style>\n\t<\/div>\n\n\t\n\n\t<div id=\"col-673775770\" class=\"col col-block-effetti medium-3 small-12 large-3\"  >\n\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\n\t<div class=\"img has-hover x md-x lg-x y md-y lg-y\" id=\"image_777694613\">\n\t\t\t\t\t\t\t\t<div class=\"img-inner dark\" >\n\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"1000\" src=\"https:\/\/www.reerlighting.com\/wp-content\/uploads\/2026\/11\/POLAR_REER_MTK0003.jpg\" class=\"attachment-large size-large\" alt=\"\" srcset=\"https:\/\/www.reerlighting.com\/wp-content\/uploads\/2026\/11\/POLAR_REER_MTK0003.jpg 1000w, https:\/\/www.reerlighting.com\/wp-content\/uploads\/2026\/11\/POLAR_REER_MTK0003-300x300.jpg 300w, https:\/\/www.reerlighting.com\/wp-content\/uploads\/2026\/11\/POLAR_REER_MTK0003-150x150.jpg 150w, https:\/\/www.reerlighting.com\/wp-content\/uploads\/2026\/11\/POLAR_REER_MTK0003-768x768.jpg 768w, https:\/\/www.reerlighting.com\/wp-content\/uploads\/2026\/11\/POLAR_REER_MTK0003-500x500.jpg 500w, https:\/\/www.reerlighting.com\/wp-content\/uploads\/2026\/11\/POLAR_REER_MTK0003-100x100.jpg 100w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/>\t\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\n<style>\n#image_777694613 {\n  width: 100%;\n}\n<\/style>\n\t<\/div>\n\t\n\n\t<div id=\"text-3827960809\" class=\"text\">\n\t\t\n\n<p><strong>Rotosimmetrica<\/strong><\/p>\n\t\t\n<style>\n#text-3827960809 {\n  text-align: center;\n}\n<\/style>\n\t<\/div>\n\t\n\n\t\t<\/div>\n\t\t\n<style>\n#col-673775770 > .col-inner {\n  padding: 0px 0px 0px 0px;\n}\n<\/style>\n\t<\/div>\n\n\t\n\n\t<div id=\"col-2001336221\" class=\"col col-block-effetti medium-3 small-12 large-3\"  >\n\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\n\t<div class=\"img has-hover x md-x lg-x y md-y lg-y\" id=\"image_503541190\">\n\t\t\t\t\t\t\t\t<div class=\"img-inner dark\" >\n\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"1000\" src=\"https:\/\/www.reerlighting.com\/wp-content\/uploads\/2026\/11\/POLAR_REER_6361188.jpg\" class=\"attachment-large size-large\" alt=\"\" srcset=\"https:\/\/www.reerlighting.com\/wp-content\/uploads\/2026\/11\/POLAR_REER_6361188.jpg 1000w, https:\/\/www.reerlighting.com\/wp-content\/uploads\/2026\/11\/POLAR_REER_6361188-300x300.jpg 300w, https:\/\/www.reerlighting.com\/wp-content\/uploads\/2026\/11\/POLAR_REER_6361188-150x150.jpg 150w, https:\/\/www.reerlighting.com\/wp-content\/uploads\/2026\/11\/POLAR_REER_6361188-768x768.jpg 768w, https:\/\/www.reerlighting.com\/wp-content\/uploads\/2026\/11\/POLAR_REER_6361188-500x500.jpg 500w, https:\/\/www.reerlighting.com\/wp-content\/uploads\/2026\/11\/POLAR_REER_6361188-100x100.jpg 100w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/>\t\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\n<style>\n#image_503541190 {\n  width: 100%;\n}\n<\/style>\n\t<\/div>\n\t\n\n\t<div id=\"text-680693403\" class=\"text\">\n\t\t\n\n<p><strong>A<\/strong><strong>simmetrica<\/strong><\/p>\n\t\t\n<style>\n#text-680693403 {\n  text-align: center;\n}\n<\/style>\n\t<\/div>\n\t\n\n\t\t<\/div>\n\t\t\n<style>\n#col-2001336221 > .col-inner {\n  padding: 0px 0px 0px 0px;\n}\n<\/style>\n\t<\/div>\n\n\t\n\n\t<div id=\"col-292958817\" class=\"col col-block-effetti medium-3 small-12 large-3\"  >\n\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\n\t<div class=\"img has-hover x md-x lg-x y md-y lg-y\" id=\"image_1734754592\">\n\t\t\t\t\t\t\t\t<div class=\"img-inner dark\" >\n\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"1000\" src=\"https:\/\/www.reerlighting.com\/wp-content\/uploads\/2026\/11\/POLAR_REER_6361397.jpg\" class=\"attachment-large size-large\" alt=\"\" srcset=\"https:\/\/www.reerlighting.com\/wp-content\/uploads\/2026\/11\/POLAR_REER_6361397.jpg 1000w, https:\/\/www.reerlighting.com\/wp-content\/uploads\/2026\/11\/POLAR_REER_6361397-300x300.jpg 300w, https:\/\/www.reerlighting.com\/wp-content\/uploads\/2026\/11\/POLAR_REER_6361397-150x150.jpg 150w, https:\/\/www.reerlighting.com\/wp-content\/uploads\/2026\/11\/POLAR_REER_6361397-768x768.jpg 768w, https:\/\/www.reerlighting.com\/wp-content\/uploads\/2026\/11\/POLAR_REER_6361397-500x500.jpg 500w, https:\/\/www.reerlighting.com\/wp-content\/uploads\/2026\/11\/POLAR_REER_6361397-100x100.jpg 100w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/>\t\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\n<style>\n#image_1734754592 {\n  width: 100%;\n}\n<\/style>\n\t<\/div>\n\t\n\n\t<div id=\"text-2396597662\" class=\"text\">\n\t\t\n\n<p><strong>Ellittica<\/strong><\/p>\n\t\t\n<style>\n#text-2396597662 {\n  text-align: center;\n}\n<\/style>\n\t<\/div>\n\t\n\n\t\t<\/div>\n\t\t\n<style>\n#col-292958817 > .col-inner {\n  padding: 0px 0px 0px 0px;\n}\n<\/style>\n\t<\/div>\n\n\t\n\n\t<div id=\"col-2112502875\" class=\"col col-block-effetti medium-3 small-12 large-3\"  >\n\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\n\t<div class=\"img has-hover x md-x lg-x y md-y lg-y\" id=\"image_2087047712\">\n\t\t\t\t\t\t\t\t<div class=\"img-inner dark\" >\n\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"1000\" src=\"https:\/\/www.reerlighting.com\/wp-content\/uploads\/2026\/11\/POLAR_REER_6360806.jpg\" class=\"attachment-large size-large\" alt=\"\" srcset=\"https:\/\/www.reerlighting.com\/wp-content\/uploads\/2026\/11\/POLAR_REER_6360806.jpg 1000w, https:\/\/www.reerlighting.com\/wp-content\/uploads\/2026\/11\/POLAR_REER_6360806-300x300.jpg 300w, https:\/\/www.reerlighting.com\/wp-content\/uploads\/2026\/11\/POLAR_REER_6360806-150x150.jpg 150w, https:\/\/www.reerlighting.com\/wp-content\/uploads\/2026\/11\/POLAR_REER_6360806-768x768.jpg 768w, https:\/\/www.reerlighting.com\/wp-content\/uploads\/2026\/11\/POLAR_REER_6360806-500x500.jpg 500w, https:\/\/www.reerlighting.com\/wp-content\/uploads\/2026\/11\/POLAR_REER_6360806-100x100.jpg 100w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/>\t\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\n<style>\n#image_2087047712 {\n  width: 100%;\n}\n<\/style>\n\t<\/div>\n\t\n\n\t<div id=\"text-698245169\" class=\"text\">\n\t\t\n\n<p><strong>Stradale (&#8220;Batwing&#8221;)<\/strong><\/p>\n\t\t\n<style>\n#text-698245169 {\n  text-align: center;\n}\n<\/style>\n\t<\/div>\n\t\n\n\t\t<\/div>\n\t\t\n<style>\n#col-2112502875 > .col-inner {\n  padding: 0px 0px 0px 0px;\n}\n<\/style>\n\t<\/div>\n\n\t\n\n\t<div id=\"col-1792733735\" class=\"col col-block-effetti small-12 large-12\"  >\n\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\n<table data-path-to-node=\"19\">\n<thead>\n<tr>\n<td><strong>Tipo di Ottica<\/strong><\/td>\n<td><strong>Forma del Solido<\/strong><\/td>\n<td><strong>Applicazione tipica nell&#8217;illuminazione<\/strong><\/td>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><span data-path-to-node=\"19,1,0,0\"><b data-path-to-node=\"19,1,0,0\" data-index-in-node=\"0\">Rotosimmetrica<\/b><\/br> (Spot \/ Flood)<\/span><\/td>\n<td><span data-path-to-node=\"19,1,1,0\">Un cono o un &#8220;palloncino&#8221; perfettamente simmetrico rispetto all&#8217;asse verticale (C0 = C90).<\/span><\/td>\n<td><span data-path-to-node=\"19,1,2,0\">Proiettori da incasso, downlight, accenti su colonne, illuminazione di facciate alte e strette.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"19,2,0,0\"><b data-path-to-node=\"19,2,0,0\" data-index-in-node=\"0\">Asimmetrica<\/b><\/span><\/td>\n<td><span data-path-to-node=\"19,2,1,0\">Il solido \u00e8 sbilanciato in avanti, &#8220;tagliando&#8221; la luce all&#8217;indietro.<\/span><\/td>\n<td><span data-path-to-node=\"19,2,2,0\">Proiettori a sbraccio per facciate (Wallwasher), illuminazione di piazzali, cartellonistica, dove \u00e8 necessario non disperdere luce dietro l&#8217;apparecchio.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"19,3,0,0\"><b data-path-to-node=\"19,3,0,0\" data-index-in-node=\"0\">Ellittica<\/b><\/span><\/td>\n<td><span data-path-to-node=\"19,3,1,0\">Stretta su un asse (es. 10\u00b0) e larga sull&#8217;altro asse (es. 45\u00b0), formando una lama ovale.<\/span><\/td>\n<td><span data-path-to-node=\"19,3,2,0\">Radenza (Grazing) su muri materici, illuminazione di cornicioni, valorizzazione di elementi architettonici lineari.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"19,4,0,0\"><b data-path-to-node=\"19,4,0,0\" data-index-in-node=\"0\">Stradale (Batwing)<\/b><\/span><\/td>\n<td><span data-path-to-node=\"19,4,1,0\">Una forma complessa &#8220;ad ali di pipistrello&#8221;, molto larga trasversalmente e controllata frontalmente.<\/span><\/td>\n<td><span data-path-to-node=\"19,4,2,0\">Illuminazione stradale, percorsi pedonali, grandi parcheggi (ottimizza l&#8217;interdistanza tra i pali riducendo l&#8217;abbagliamento).<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\t\t<\/div>\n\t\t\n<style>\n#col-1792733735 > .col-inner {\n  padding: 0px 0px 0px 0px;\n}\n<\/style>\n\t<\/div>\n\n\t\n\n<\/div>\n\n\t\t<\/div>\n\n\t\t\n<style>\n#section_30655967 {\n  padding-top: 0px;\n  padding-bottom: 0px;\n  min-height: 80px;\n}\n<\/style>\n\t<\/section>\n\t\n\t<section class=\"section\" id=\"section_574779783\">\n\t\t<div class=\"bg section-bg fill bg-fill  bg-loaded\" >\n\n\t\t\t\n\t\t\t\n\t\t\t\n\n\t\t<\/div>\n\n\t\t<div class=\"section-content relative\">\n\t\t\t\n\n<div class=\"row\"  id=\"row-614499228\">\n\n\n\t<div id=\"col-2046914698\" class=\"col col-block-effetti small-12 large-12\"  >\n\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\n<h2 class=\"title1 title-high\">I Formati Digitali: File LDT e IES<\/h2>\n\n\t\t<\/div>\n\t\t\t<\/div>\n\n\t\n\n<\/div>\n<div class=\"row\"  id=\"row-789661612\">\n\n\n\t<div id=\"col-599617015\" class=\"col col-block-effetti medium-6 small-12 large-6\"  >\n\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\n<p data-path-to-node=\"22\"><span class=\"\">Per poter essere calcolato dai software di progettazione,<\/span> l&#8217;intero database di coordinate angolari e intensit\u00e0 del solido fotometrico viene compresso in file di testo standardizzati. I due formati universali sono:<\/p>\n<ul data-path-to-node=\"23\">\n<li>\n<p data-path-to-node=\"23,0,0\"><b data-path-to-node=\"23,0,0\" data-index-in-node=\"0\">EULUMDAT (.ldt):<\/b> \u00c8 lo standard di riferimento europeo. Al suo interno contiene non solo la matrice delle candele, ma anche i dati fisici dell&#8217;apparecchio (dimensioni della superficie emittente), la potenza elettrica (W) e il Flusso Luminoso Nominale e Reale.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"23,1,0\"><b data-path-to-node=\"23,1,0\" data-index-in-node=\"0\">IESNA (.ies):<\/b><span class=\"\"> \u00c8 lo standard nordamericano.<\/span><span class=\"\"> Simile per concezione,<\/span><span class=\"\"> differisce leggermente nella struttura informatica e nella gestione dei fattori di moltiplicazione.<\/span><\/p>\n<\/li>\n<\/ul>\n\n\t\t<\/div>\n\t\t\n<style>\n#col-599617015 > .col-inner {\n  padding: 0px 0px 0px 0px;\n}\n<\/style>\n\t<\/div>\n\n\t\n\n\t<div id=\"col-1494725855\" class=\"col col-block-effetti medium-6 small-12 large-6\"  >\n\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\n\t<div class=\"img has-hover x md-x lg-x y md-y lg-y\" id=\"image_128151464\">\n\t\t\t\t\t\t\t\t<div class=\"img-inner dark\" >\n\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1020\" height=\"527\" src=\"https:\/\/www.reerlighting.com\/wp-content\/uploads\/2026\/11\/dialux-simulazione-illuminotecnica-1024x529.jpg\" class=\"attachment-large size-large\" alt=\"\" srcset=\"https:\/\/www.reerlighting.com\/wp-content\/uploads\/2026\/11\/dialux-simulazione-illuminotecnica-1024x529.jpg 1024w, https:\/\/www.reerlighting.com\/wp-content\/uploads\/2026\/11\/dialux-simulazione-illuminotecnica-300x155.jpg 300w, https:\/\/www.reerlighting.com\/wp-content\/uploads\/2026\/11\/dialux-simulazione-illuminotecnica-768x397.jpg 768w, https:\/\/www.reerlighting.com\/wp-content\/uploads\/2026\/11\/dialux-simulazione-illuminotecnica-1536x794.jpg 1536w, https:\/\/www.reerlighting.com\/wp-content\/uploads\/2026\/11\/dialux-simulazione-illuminotecnica-500x258.jpg 500w, https:\/\/www.reerlighting.com\/wp-content\/uploads\/2026\/11\/dialux-simulazione-illuminotecnica.jpg 1915w\" sizes=\"auto, (max-width: 1020px) 100vw, 1020px\" \/>\t\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\n<style>\n#image_128151464 {\n  width: 100%;\n}\n<\/style>\n\t<\/div>\n\t\n\n\n\t\t<\/div>\n\t\t\n<style>\n#col-1494725855 > .col-inner {\n  padding: 0px 0px 0px 0px;\n}\n<\/style>\n\t<\/div>\n\n\t\n\n\t<div id=\"col-2138909825\" class=\"col col-block-effetti small-12 large-12\"  >\n\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\n<blockquote>\n<p><b data-path-to-node=\"24,0\" data-index-in-node=\"0\">Fotometria Assoluta e Tecnologia LED:<\/b> Nelle tradizionali lampade a scarica, i file fotometrici erano &#8220;relativi&#8221; (calcolati su un flusso teorico di 1000 lumen) poich\u00e9 la stessa ottica poteva montare lampadine di potenze diverse. Oggi, con l&#8217;architettura LED, l&#8217;ottica e la sorgente formano un sistema integrato non separabile. <br \/>Le misurazioni dei nostri apparecchi utilizzano la <b data-path-to-node=\"24,0\" data-index-in-node=\"377\">Fotometria Assoluta<\/b>: i lumen e le candele descritti nel file LDT corrispondono esattamente alle prestazioni reali di quello specifico apparecchio, eliminando ogni margine di errore nei calcoli illuminotecnici di progetto.<\/p>\n<\/blockquote>\n\n\t\t<\/div>\n\t\t\n<style>\n#col-2138909825 > .col-inner {\n  padding: 0px 0px 0px 0px;\n}\n<\/style>\n\t<\/div>\n\n\t\n\n<\/div>\n\n\t\t<\/div>\n\n\t\t\n<style>\n#section_574779783 {\n  padding-top: 0px;\n  padding-bottom: 0px;\n  min-height: 80px;\n}\n<\/style>\n\t<\/section>\n\t\n\t<section class=\"section\" id=\"section_68855236\">\n\t\t<div class=\"bg section-bg fill bg-fill  bg-loaded\" >\n\n\t\t\t\n\t\t\t\n\t\t\t\n\n\t\t<\/div>\n\n\t\t<div class=\"section-content relative\">\n\t\t\t\n\n<div class=\"row\"  id=\"row-2141725857\">\n\n\n\t<div id=\"col-1174394041\" class=\"col col-block-effetti small-12 large-12\"  >\n\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\n<h2 class=\"title1 title-high\">Sintesi: Il Cuore del Lighting Design<\/h2>\n\t<div id=\"gap-1405903512\" class=\"gap-element clearfix\" style=\"display:block; height:auto;\">\n\t\t\n<style>\n#gap-1405903512 {\n  padding-top: 20px;\n}\n<\/style>\n\t<\/div>\n\t\n\n<blockquote>\n<div class=\"container\">\n<div id=\"model-response-message-contentr_15da3d882e405dc9\" class=\"markdown markdown-main-panel md-content enable-luminous-fast-follows enable-updated-hr-color stronger\" dir=\"ltr\" aria-busy=\"false\" aria-live=\"polite\">\n<p data-path-to-node=\"27\"><span class=\"\">Il solido fotometrico \u00e8 il ponte tra l&#8217;ingegneria del prodotto e l&#8217;arte del progetto architettonico.<\/span><span class=\"\"> Affidarsi a file fotometrici (.<\/span><span class=\"\">ldt) curati,<\/span> aggiornati e misurati con tolleranze minime \u00e8 l&#8217;unica via per garantire che i Lux calcolati virtualmente in fase di studio corrispondano esattamente alla luce misurata in cantiere a installazione conclusa, rispettando i vincoli normativi (CEI EN 12464) ed esaltando l&#8217;architettura.<\/p>\n<\/div>\n<\/div>\n<\/blockquote>\n\n\t\t<\/div>\n\t\t\t<\/div>\n\n\t\n\n<\/div>\n\n\t\t<\/div>\n\n\t\t\n<style>\n#section_68855236 {\n  padding-top: 0px;\n  padding-bottom: 0px;\n  min-height: 80px;\n}\n<\/style>\n\t<\/section>\n\t\n\t<div id=\"gap-772459932\" class=\"gap-element clearfix\" style=\"display:block; height:auto;\">\n\t\t\n<style>\n#gap-772459932 {\n  padding-top: 70px;\n}\n<\/style>\n\t<\/div>\n\t\n\n\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":10706,"featured_media":0,"parent":119360,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"page-blank.php","meta":{"inline_featured_image":false,"footnotes":""},"class_list":["post-119377","page","type-page","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v22.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>ReeR Lighting - Solido Fotometrico<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.reerlighting.com\/it\/risorse\/solido-fotometrico\/\" \/>\n<meta property=\"og:locale\" content=\"it_IT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"ReeR Lighting - Solido Fotometrico\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.reerlighting.com\/it\/risorse\/solido-fotometrico\/\" \/>\n<meta property=\"og:site_name\" content=\"ReeR Lighting\" \/>\n<meta property=\"article:modified_time\" content=\"2026-11-04T15:33:36+00:00\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.reerlighting.com\/it\/risorse\/solido-fotometrico\/\",\"url\":\"https:\/\/www.reerlighting.com\/it\/risorse\/solido-fotometrico\/\",\"name\":\"ReeR Lighting - 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