{"id":44482,"date":"2025-07-01T17:51:28","date_gmt":"2025-07-01T09:51:28","guid":{"rendered":"https:\/\/condata-ai.com\/portfolio-item\/v-ray-luminaires-dramatically-faster-more-accurate-rendering-of-complex-light-fixtures\/"},"modified":"2025-07-02T10:39:47","modified_gmt":"2025-07-02T02:39:47","slug":"v-ray-luminaires-dramatically-faster-more-accurate-rendering-of-complex-light-fixtures","status":"publish","type":"portfolio","link":"https:\/\/condata-ai.com\/en\/portfolio-item\/v-ray-luminaires-dramatically-faster-more-accurate-rendering-of-complex-light-fixtures\/","title":{"rendered":"V-Ray Luminaires: dramatically faster, more accurate rendering of complex light fixtures"},"content":{"rendered":"\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-3nm3dy8-ef023ad7d48b1bbd435835b02e8aef60\">\n.avia-section.av-3nm3dy8-ef023ad7d48b1bbd435835b02e8aef60{\nbackground-color:#2857af;\nbackground-image:unset;\n}\n<\/style>\n<div id='av_section_1'  class='avia-section av-3nm3dy8-ef023ad7d48b1bbd435835b02e8aef60 main_color avia-section-no-padding avia-no-border-styling  avia-builder-el-0  el_before_av_section  avia-builder-el-first  avia-bg-style-scroll av-minimum-height av-minimum-height-custom av-height-custom  container_wrap sidebar_right'   data-av_minimum_height_px='315'><div class='container av-section-cont-open' style='height:315px'><main  role=\"main\" itemprop=\"mainContentOfPage\"  class='template-page content  av-content-small alpha units'><div class='post-entry post-entry-type-page post-entry-44482'><div class='entry-content-wrapper clearfix'>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-czggkw-a37102752d986f6ec4c604bbe1b2fb1e\">\n#top .hr.hr-invisible.av-czggkw-a37102752d986f6ec4c604bbe1b2fb1e{\nheight:30px;\n}\n<\/style>\n<div  class='hr av-czggkw-a37102752d986f6ec4c604bbe1b2fb1e hr-invisible  avia-builder-el-1  el_before_av_image  avia-builder-el-first '><span class='hr-inner '><span class=\"hr-inner-style\"><\/span><\/span><\/div>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-3jxmnkg-56b0a6b44f8b53437a48e26444a3a0ab\">\n.avia-image-container.av-3jxmnkg-56b0a6b44f8b53437a48e26444a3a0ab img.avia_image{\nbox-shadow:none;\n}\n.avia-image-container.av-3jxmnkg-56b0a6b44f8b53437a48e26444a3a0ab .av-image-caption-overlay-center{\ncolor:#ffffff;\n}\n<\/style>\n<div  class='avia-image-container av-3jxmnkg-56b0a6b44f8b53437a48e26444a3a0ab av-styling- avia-align-center  avia-builder-el-2  el_after_av_hr  el_before_av_hr '   itemprop=\"image\" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/ImageObject\" ><div class=\"avia-image-container-inner\"><div class=\"avia-image-overlay-wrap\"><img fetchpriority=\"high\" class='wp-image-23421 avia-img-lazy-loading-not-23421 avia_image ' src='https:\/\/condata-ai.com\/wp-content\/uploads\/2021\/10\/Logo-Chaos_VRay_new_white-220px.png' alt='' title='Logo-Chaos_VRay_new_white-220px'  height=\"84\" width=\"220\"  itemprop=\"thumbnailUrl\"  \/><\/div><\/div><\/div>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-3iltz4g-22a9526c4dd426c9f68ce7f9c49ce38a\">\n#top .hr.hr-invisible.av-3iltz4g-22a9526c4dd426c9f68ce7f9c49ce38a{\nheight:20px;\n}\n<\/style>\n<div  class='hr av-3iltz4g-22a9526c4dd426c9f68ce7f9c49ce38a hr-invisible  avia-builder-el-3  el_after_av_image  el_before_av_textblock '><span class='hr-inner '><span class=\"hr-inner-style\"><\/span><\/span><\/div>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-cgb5rk-6bafbf8c3b61c8af12c73f023cb52bd6\">\n#top .av_textblock_section.av-cgb5rk-6bafbf8c3b61c8af12c73f023cb52bd6 .avia_textblock{\nfont-size:24px;\ncolor:#ffffff;\n}\n<\/style>\n<section  class='av_textblock_section av-cgb5rk-6bafbf8c3b61c8af12c73f023cb52bd6 '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock av_inherit_color'  itemprop=\"text\" ><p style=\"text-align: center;\"><strong>V-Ray Luminaires: dramatically faster, more accurate rendering of complex light fixtures<\/strong><\/p>\n<\/div><\/section>\n\n<\/div><\/div><\/main><!-- close content main element --><\/div><\/div><div id='av_section_2'  class='avia-section av-af9zzn4-553292db21d4c9d2dcc51a7013c8a20e main_color avia-section-default avia-no-border-styling  avia-builder-el-5  el_after_av_section  el_before_av_section  avia-bg-style-scroll container_wrap sidebar_right'  ><div class='container av-section-cont-open' ><div class='template-page content  av-content-small alpha units'><div class='post-entry post-entry-type-page post-entry-44482'><div class='entry-content-wrapper clearfix'>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-9wrjd2o-0413743b1f80ed557997846e8ec8ef38\">\n.flex_column.av-9wrjd2o-0413743b1f80ed557997846e8ec8ef38{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-9wrjd2o-0413743b1f80ed557997846e8ec8ef38 av_one_fifth  avia-builder-el-6  el_before_av_three_fifth  avia-builder-el-first  first flex_column_div av-zero-column-padding  '     ><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-9g9j6ts-2c1f2767670560cd119c978e576c0951\">\n.flex_column.av-9g9j6ts-2c1f2767670560cd119c978e576c0951{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-9g9j6ts-2c1f2767670560cd119c978e576c0951 av_three_fifth  avia-builder-el-7  el_after_av_one_fifth  el_before_av_one_fifth  flex_column_div av-zero-column-padding  '     ><p>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-8sm36ls-1c6e3aa38481796c657ac830ef6eeba3\">\n#top .av_textblock_section.av-8sm36ls-1c6e3aa38481796c657ac830ef6eeba3 .avia_textblock{\nfont-size:18px;\ncolor:#3d3d3d;\n}\n<\/style>\n<section  class='av_textblock_section av-8sm36ls-1c6e3aa38481796c657ac830ef6eeba3 '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock av_inherit_color'  itemprop=\"text\" ><p><strong>V-Ray Luminaires, introduced with V-Ray 7, is a new method that rapidly renders complex light fixtures in a fraction of the time. Vlado walks us through how it works.<\/strong><\/p>\n<\/div><\/section><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-3a9qfnk-2f4f116e96c76f2af9cb9057dff168a7\">\n#top .hr.hr-invisible.av-3a9qfnk-2f4f116e96c76f2af9cb9057dff168a7{\nheight:30px;\n}\n<\/style>\n<div  class='hr av-3a9qfnk-2f4f116e96c76f2af9cb9057dff168a7 hr-invisible  avia-builder-el-9  el_after_av_textblock  el_before_av_image '><span class='hr-inner '><span class=\"hr-inner-style\"><\/span><\/span><\/div><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-8ep9cj4-02997cbc91459bea7aa651bb49e32ff6\">\n.avia-image-container.av-8ep9cj4-02997cbc91459bea7aa651bb49e32ff6 img.avia_image{\nbox-shadow:none;\n}\n.avia-image-container.av-8ep9cj4-02997cbc91459bea7aa651bb49e32ff6 .av-image-caption-overlay-center{\ncolor:#ffffff;\n}\n<\/style>\n<div  class='avia-image-container av-8ep9cj4-02997cbc91459bea7aa651bb49e32ff6 av-styling- avia-align-center  avia-builder-el-10  el_after_av_hr  el_before_av_hr '   itemprop=\"image\" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/ImageObject\" ><div class=\"avia-image-container-inner\"><div class=\"avia-image-overlay-wrap\"><img fetchpriority=\"high\" class='wp-image-44439 avia-img-lazy-loading-not-44439 avia_image ' src='https:\/\/condata-ai.com\/wp-content\/uploads\/2025\/07\/Blog-VRay7_Luminaires-1.jpg' alt='' title='Blog-VRay7_Luminaires-1'  height=\"1080\" width=\"1920\"  itemprop=\"thumbnailUrl\"  \/><\/div><\/div><\/div><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-3a9qfnk-2f4f116e96c76f2af9cb9057dff168a7\">\n#top .hr.hr-invisible.av-3a9qfnk-2f4f116e96c76f2af9cb9057dff168a7{\nheight:30px;\n}\n<\/style>\n<div  class='hr av-3a9qfnk-2f4f116e96c76f2af9cb9057dff168a7 hr-invisible  avia-builder-el-11  el_after_av_image  el_before_av_textblock '><span class='hr-inner '><span class=\"hr-inner-style\"><\/span><\/span><\/div><br \/>\n<section  class='av_textblock_section av-8sm36ls-3cb6ba809e94ac15464baa40da969c84 '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><p>Realistic light fixtures are essential for creating photoreal visualizations \u2014 both interior and exterior. In the real world, these fixtures can be very complicated combinations of light sources and diffuse, transmissive or reflective surfaces surrounding them in order to create the desired light distribution. However, accurately simulating the overall illumination from such fixtures is a computationally intensive task, and most often than not, they end up being simplified in order to get a result in a reasonable time frame.<\/p>\n<p>The\u00a0<a href=\"https:\/\/condata-ai.com\/chaos\/cosmos\/\" target=\"_blank\" rel=\"noopener\">Cosmos library<\/a>\u00a0\u2014 included with most Chaos products \u2014 includes many light fixtures, some of which are provided by companies producing the original physical versions of these fixtures. As such, they are modeled in a realistic way in order to correctly represent the product in 3D scenes. While these models are very accurate, they may also be somewhat challenging to render.<\/p>\n<p>The\u00a0<strong>V-Ray Luminaires<\/strong>, introduced in\u00a0<a href=\"https:\/\/condata-ai.com\/chaos\/vray\/sketchup\/#mov7\" target=\"_blank\" rel=\"noopener\"><strong>V-Ray 7<\/strong><\/a>, provide a completely new way to efficiently and accurately render such light fixtures. In a pre-computation step, we calculate a very accurate version of the light field surrounding the light fixture \u2014 i.e., the amount of light emitted in any given direction from the surface of the luminaire \u2014 and store this in a file that accompanies the relevant Cosmos models. When the model is imported from the Cosmos library, in addition to the geometry and the light sources,\u00a0<strong>a new type of light source<\/strong>\u00a0is created as well, called a\u00a0<strong>VRayLuminaire light<\/strong>. This light encompasses portions of the light fixture and emulates its emission when viewed from outside. The VRayLuminaire light references the precomputed light field and also allows to control aspects of the light fixture as a whole \u2014 including the color of the lights and their intensity.<\/p>\n<p>Here is an example of a simple setup where a scene is lit by two light fixtures. Each fixture consists of a light source surrounded by a lamp shade as can typically be seen in the real world.<\/p>\n<\/div><\/section><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-3a9qfnk-2f4f116e96c76f2af9cb9057dff168a7\">\n#top .hr.hr-invisible.av-3a9qfnk-2f4f116e96c76f2af9cb9057dff168a7{\nheight:30px;\n}\n<\/style>\n<div  class='hr av-3a9qfnk-2f4f116e96c76f2af9cb9057dff168a7 hr-invisible  avia-builder-el-13  el_after_av_textblock  el_before_av_image '><span class='hr-inner '><span class=\"hr-inner-style\"><\/span><\/span><\/div><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-8ep9cj4-0dd5bc2fc9d0af307cefc7a917432693\">\n.avia-image-container.av-8ep9cj4-0dd5bc2fc9d0af307cefc7a917432693 img.avia_image{\nbox-shadow:none;\n}\n.avia-image-container.av-8ep9cj4-0dd5bc2fc9d0af307cefc7a917432693 .av-image-caption-overlay-center{\ncolor:#ffffff;\n}\n<\/style>\n<div  class='avia-image-container av-8ep9cj4-0dd5bc2fc9d0af307cefc7a917432693 av-styling- avia-align-center  avia-builder-el-14  el_after_av_hr  el_before_av_hr '   itemprop=\"image\" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/ImageObject\" ><div class=\"avia-image-container-inner\"><div class=\"avia-image-overlay-wrap\"><img fetchpriority=\"high\" class='wp-image-44441 avia-img-lazy-loading-not-44441 avia_image ' src='https:\/\/condata-ai.com\/wp-content\/uploads\/2025\/07\/Blog-VRay7_Luminaires-2.jpg' alt='' title='Blog-VRay7_Luminaires-2'  height=\"1080\" width=\"1920\"  itemprop=\"thumbnailUrl\"  \/><\/div><\/div><\/div><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-3a9qfnk-2f4f116e96c76f2af9cb9057dff168a7\">\n#top .hr.hr-invisible.av-3a9qfnk-2f4f116e96c76f2af9cb9057dff168a7{\nheight:30px;\n}\n<\/style>\n<div  class='hr av-3a9qfnk-2f4f116e96c76f2af9cb9057dff168a7 hr-invisible  avia-builder-el-15  el_after_av_image  el_before_av_textblock '><span class='hr-inner '><span class=\"hr-inner-style\"><\/span><\/span><\/div><br \/>\n<section  class='av_textblock_section av-6uczxzk-022bd283d4ace93923ff595e971e054c '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><div class=\"spacing- white-bg\">\n<div class=\"text-block-widget \">\n<div class=\"container\">\n<div class=\"text-component-wrapper\">\n<div class=\"row\">\n<div class=\"col-12 text-box\">\n<p>If we render this without the help of the luminaire light field, the result would look like this:<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div><\/section><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-3a9qfnk-2f4f116e96c76f2af9cb9057dff168a7\">\n#top .hr.hr-invisible.av-3a9qfnk-2f4f116e96c76f2af9cb9057dff168a7{\nheight:30px;\n}\n<\/style>\n<div  class='hr av-3a9qfnk-2f4f116e96c76f2af9cb9057dff168a7 hr-invisible  avia-builder-el-17  el_after_av_textblock  el_before_av_image '><span class='hr-inner '><span class=\"hr-inner-style\"><\/span><\/span><\/div><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-8ep9cj4-46de378db686ea295c83fdc52912cc8b\">\n.avia-image-container.av-8ep9cj4-46de378db686ea295c83fdc52912cc8b img.avia_image{\nbox-shadow:none;\n}\n.avia-image-container.av-8ep9cj4-46de378db686ea295c83fdc52912cc8b .av-image-caption-overlay-center{\ncolor:#ffffff;\n}\n<\/style>\n<div  class='avia-image-container av-8ep9cj4-46de378db686ea295c83fdc52912cc8b av-styling- avia-align-center  avia-builder-el-18  el_after_av_hr  el_before_av_textblock '   itemprop=\"image\" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/ImageObject\" ><div class=\"avia-image-container-inner\"><div class=\"avia-image-overlay-wrap\"><img fetchpriority=\"high\" class='wp-image-44443 avia-img-lazy-loading-not-44443 avia_image ' src='https:\/\/condata-ai.com\/wp-content\/uploads\/2025\/07\/Blog-VRay7_Luminaires-3.jpg' alt='' title='Blog-VRay7_Luminaires-3'  height=\"1080\" width=\"1920\"  itemprop=\"thumbnailUrl\"  \/><\/div><\/div><\/div><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-k3r3gb8b-ba880689b69a8a210fd608a2772e05b9\">\n#top .av_textblock_section.av-k3r3gb8b-ba880689b69a8a210fd608a2772e05b9 .avia_textblock{\nfont-size:14px;\n}\n<\/style>\n<section  class='av_textblock_section av-k3r3gb8b-ba880689b69a8a210fd608a2772e05b9 '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><p style=\"text-align: center;\"><em>Rendering the scene without luminaire light fields in 21m 50s <\/em><\/p>\n<\/div><\/section><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-3a9qfnk-78f0ef93ca28228dd9d3056885c67c02\">\n#top .hr.hr-invisible.av-3a9qfnk-78f0ef93ca28228dd9d3056885c67c02{\nheight:40px;\n}\n<\/style>\n<div  class='hr av-3a9qfnk-78f0ef93ca28228dd9d3056885c67c02 hr-invisible  avia-builder-el-20  el_after_av_textblock  el_before_av_image '><span class='hr-inner '><span class=\"hr-inner-style\"><\/span><\/span><\/div><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-8ep9cj4-6748e905c65b6b21025c0db9da2c7131\">\n.avia-image-container.av-8ep9cj4-6748e905c65b6b21025c0db9da2c7131 img.avia_image{\nbox-shadow:none;\n}\n.avia-image-container.av-8ep9cj4-6748e905c65b6b21025c0db9da2c7131 .av-image-caption-overlay-center{\ncolor:#ffffff;\n}\n<\/style>\n<div  class='avia-image-container av-8ep9cj4-6748e905c65b6b21025c0db9da2c7131 av-styling- avia-align-center  avia-builder-el-21  el_after_av_hr  el_before_av_textblock '   itemprop=\"image\" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/ImageObject\" ><div class=\"avia-image-container-inner\"><div class=\"avia-image-overlay-wrap\"><img fetchpriority=\"high\" class='wp-image-44445 avia-img-lazy-loading-not-44445 avia_image ' src='https:\/\/condata-ai.com\/wp-content\/uploads\/2025\/07\/Blog-VRay7_Luminaires-4.jpg' alt='' title='Blog-VRay7_Luminaires-4'  height=\"1080\" width=\"1920\"  itemprop=\"thumbnailUrl\"  \/><\/div><\/div><\/div><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-k3r3gb8b-ba880689b69a8a210fd608a2772e05b9\">\n#top .av_textblock_section.av-k3r3gb8b-ba880689b69a8a210fd608a2772e05b9 .avia_textblock{\nfont-size:14px;\n}\n<\/style>\n<section  class='av_textblock_section av-k3r3gb8b-ba880689b69a8a210fd608a2772e05b9 '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><p style=\"text-align: center;\"><em>The resulting sampling rate<\/em><\/p>\n<\/div><\/section><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-3a9qfnk-78f0ef93ca28228dd9d3056885c67c02\">\n#top .hr.hr-invisible.av-3a9qfnk-78f0ef93ca28228dd9d3056885c67c02{\nheight:40px;\n}\n<\/style>\n<div  class='hr av-3a9qfnk-78f0ef93ca28228dd9d3056885c67c02 hr-invisible  avia-builder-el-23  el_after_av_textblock  el_before_av_textblock '><span class='hr-inner '><span class=\"hr-inner-style\"><\/span><\/span><\/div><br \/>\n<section  class='av_textblock_section av-6uczxzk-022bd283d4ace93923ff595e971e054c '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><div class=\"spacing- white-bg\">\n<div class=\"text-block-widget \">\n<div class=\"container\">\n<div class=\"text-component-wrapper\">\n<div class=\"row\">\n<div class=\"col-12 text-box\">\n<p>The scene renders in about 22 minutes on an AMD Threadripper 2990WX CPU. The result is quite noisy even with 1\/40 AA subdivs and for most of the pixels in the image, the maximum number of samples per pixel were used (the red pixels in the sample rate render element) without reaching the specified noise threshold. This is because a large portion of the illumination is due to light bouncing off the interior of the lampshade and into the scene. Additionally, by default V-Ray clamps some of the GI in order to make the rendering happen in a reasonable amount of time (this is controlled by the \u201cMax ray intensity\u201d parameter) \u2014 however this leads to slightly darker illumination from the light fixture.<\/p>\n<p>On the other hand, if we render the same scene with the help of luminaire light fields, the result looks like this:<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div><\/section><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-3a9qfnk-2f4f116e96c76f2af9cb9057dff168a7\">\n#top .hr.hr-invisible.av-3a9qfnk-2f4f116e96c76f2af9cb9057dff168a7{\nheight:30px;\n}\n<\/style>\n<div  class='hr av-3a9qfnk-2f4f116e96c76f2af9cb9057dff168a7 hr-invisible  avia-builder-el-25  el_after_av_textblock  el_before_av_image '><span class='hr-inner '><span class=\"hr-inner-style\"><\/span><\/span><\/div><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-8ep9cj4-736c856e90c15fe0faf8894e83bb294c\">\n.avia-image-container.av-8ep9cj4-736c856e90c15fe0faf8894e83bb294c img.avia_image{\nbox-shadow:none;\n}\n.avia-image-container.av-8ep9cj4-736c856e90c15fe0faf8894e83bb294c .av-image-caption-overlay-center{\ncolor:#ffffff;\n}\n<\/style>\n<div  class='avia-image-container av-8ep9cj4-736c856e90c15fe0faf8894e83bb294c av-styling- avia-align-center  avia-builder-el-26  el_after_av_hr  el_before_av_textblock '   itemprop=\"image\" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/ImageObject\" ><div class=\"avia-image-container-inner\"><div class=\"avia-image-overlay-wrap\"><img fetchpriority=\"high\" class='wp-image-44447 avia-img-lazy-loading-not-44447 avia_image ' src='https:\/\/condata-ai.com\/wp-content\/uploads\/2025\/07\/Blog-VRay7_Luminaires-5.jpg' alt='' title='Blog-VRay7_Luminaires-5'  height=\"1080\" width=\"1920\"  itemprop=\"thumbnailUrl\"  \/><\/div><\/div><\/div><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-k3r3gb8b-ba880689b69a8a210fd608a2772e05b9\">\n#top .av_textblock_section.av-k3r3gb8b-ba880689b69a8a210fd608a2772e05b9 .avia_textblock{\nfont-size:14px;\n}\n<\/style>\n<section  class='av_textblock_section av-k3r3gb8b-ba880689b69a8a210fd608a2772e05b9 '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><p style=\"text-align: center;\"><em>Rendering the scene with luminaire light fields in 1m 1s<\/em><\/p>\n<\/div><\/section><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-3a9qfnk-78f0ef93ca28228dd9d3056885c67c02\">\n#top .hr.hr-invisible.av-3a9qfnk-78f0ef93ca28228dd9d3056885c67c02{\nheight:40px;\n}\n<\/style>\n<div  class='hr av-3a9qfnk-78f0ef93ca28228dd9d3056885c67c02 hr-invisible  avia-builder-el-28  el_after_av_textblock  el_before_av_image '><span class='hr-inner '><span class=\"hr-inner-style\"><\/span><\/span><\/div><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-8ep9cj4-90a7eac38f5ebe4005eea31e203feeec\">\n.avia-image-container.av-8ep9cj4-90a7eac38f5ebe4005eea31e203feeec img.avia_image{\nbox-shadow:none;\n}\n.avia-image-container.av-8ep9cj4-90a7eac38f5ebe4005eea31e203feeec .av-image-caption-overlay-center{\ncolor:#ffffff;\n}\n<\/style>\n<div  class='avia-image-container av-8ep9cj4-90a7eac38f5ebe4005eea31e203feeec av-styling- avia-align-center  avia-builder-el-29  el_after_av_hr  el_before_av_textblock '   itemprop=\"image\" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/ImageObject\" ><div class=\"avia-image-container-inner\"><div class=\"avia-image-overlay-wrap\"><img fetchpriority=\"high\" class='wp-image-44449 avia-img-lazy-loading-not-44449 avia_image ' src='https:\/\/condata-ai.com\/wp-content\/uploads\/2025\/07\/Blog-VRay7_Luminaires-6.jpg' alt='' title='Blog-VRay7_Luminaires-6'  height=\"1080\" width=\"1920\"  itemprop=\"thumbnailUrl\"  \/><\/div><\/div><\/div><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-k3r3gb8b-ba880689b69a8a210fd608a2772e05b9\">\n#top .av_textblock_section.av-k3r3gb8b-ba880689b69a8a210fd608a2772e05b9 .avia_textblock{\nfont-size:14px;\n}\n<\/style>\n<section  class='av_textblock_section av-k3r3gb8b-ba880689b69a8a210fd608a2772e05b9 '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><p style=\"text-align: center;\"><em>The resulting sampling rate<\/em><\/p>\n<\/div><\/section><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-3a9qfnk-78f0ef93ca28228dd9d3056885c67c02\">\n#top .hr.hr-invisible.av-3a9qfnk-78f0ef93ca28228dd9d3056885c67c02{\nheight:40px;\n}\n<\/style>\n<div  class='hr av-3a9qfnk-78f0ef93ca28228dd9d3056885c67c02 hr-invisible  avia-builder-el-31  el_after_av_textblock  el_before_av_textblock '><span class='hr-inner '><span class=\"hr-inner-style\"><\/span><\/span><\/div><br \/>\n<section  class='av_textblock_section av-6uczxzk-022bd283d4ace93923ff595e971e054c '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><div class=\"spacing- white-bg\">\n<div class=\"text-block-widget \">\n<div class=\"container\">\n<div class=\"text-component-wrapper\">\n<div class=\"row\">\n<div class=\"col-12 text-box\">\n<p><strong>The luminaire version renders much faster<\/strong>\u00a0(1 minute vs 22 minutes before) while at the same time the final result is less noisy because the noise threshold was reached almost everywhere. Furthermore, the lighting distribution is also more accurate with no light lost due to clamping.<\/p>\n<p>Another example shows the advantages of the VRayLuminaire when complex light transport paths must be computed. In the following example, the light emitted by the fixture comes from a thin paper material that scatters the light coming from the spherical sources inside it. This is a complicated situation to render with any renderer.\u00a0<strong>Without the luminaire, the image renders very slowly and is darker<\/strong>\u00a0than it should be \u2014 by default V-Ray clamps the contribution of GI rays to help reduce render times. If we want to get a more accurate emission from the fixture, we have to disable the \u201cMax ray intensity\u201d parameter \u2014 this brings the result closer to the expected brightness but it takes even more time to calculate. Even with 1\/100 adaptive image samples, this was not enough to reach the desired noise threshold everywhere in the image (there are red areas in the sample rate render element). In contrast, using a VRayLuminaire helps to render the image at a small fraction of that time with a more accurate lighting distribution.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div><\/section><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-37guymo-e05cae5246a4947dae80e1e43a1c03fb\">\n#top .hr.hr-invisible.av-37guymo-e05cae5246a4947dae80e1e43a1c03fb{\nheight:20px;\n}\n<\/style>\n<div  class='hr av-37guymo-e05cae5246a4947dae80e1e43a1c03fb hr-invisible  avia-builder-el-33  el_after_av_textblock  avia-builder-el-last '><span class='hr-inner '><span class=\"hr-inner-style\"><\/span><\/span><\/div><\/p><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-86p5owg-472b5fba737b93f845274d2e4f1f9b14\">\n.flex_column.av-86p5owg-472b5fba737b93f845274d2e4f1f9b14{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-86p5owg-472b5fba737b93f845274d2e4f1f9b14 av_one_fifth  avia-builder-el-34  el_after_av_three_fifth  el_before_av_one_third  flex_column_div av-zero-column-padding  '     ><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-7r42seo-89d570dee5d293055899ea6876a8e212\">\n.flex_column.av-7r42seo-89d570dee5d293055899ea6876a8e212{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-7r42seo-89d570dee5d293055899ea6876a8e212 av_one_third  avia-builder-el-35  el_after_av_one_fifth  el_before_av_one_third  first flex_column_div av-zero-column-padding  column-top-margin'     ><style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-m57o1c-98766d2e22bea4f7e0117e19e8db5677\">\n.avia-image-container.av-m57o1c-98766d2e22bea4f7e0117e19e8db5677 img.avia_image{\nbox-shadow:none;\n}\n.avia-image-container.av-m57o1c-98766d2e22bea4f7e0117e19e8db5677 .av-image-caption-overlay-center{\ncolor:#ffffff;\n}\n<\/style>\n<div  class='avia-image-container av-m57o1c-98766d2e22bea4f7e0117e19e8db5677 av-styling- avia-align-center  avia-builder-el-36  avia-builder-el-no-sibling '   itemprop=\"image\" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/ImageObject\" ><div class=\"avia-image-container-inner\"><div class=\"avia-image-overlay-wrap\"><img fetchpriority=\"high\" class='wp-image-44459 avia-img-lazy-loading-not-44459 avia_image ' src='https:\/\/condata-ai.com\/wp-content\/uploads\/2025\/07\/Blog-VRay7_Luminaires-No_VRayLuminaire_Image_1.jpg' alt='' title='Blog-VRay7_Luminaires-No_VRayLuminaire_Image_1'  height=\"540\" width=\"540\"  itemprop=\"thumbnailUrl\"  \/><\/div><\/div><\/div><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-7r42seo-a49cc1f04362ddc06800e1958ef861a8\">\n.flex_column.av-7r42seo-a49cc1f04362ddc06800e1958ef861a8{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-7r42seo-a49cc1f04362ddc06800e1958ef861a8 av_one_third  avia-builder-el-37  el_after_av_one_third  el_before_av_one_third  flex_column_div av-zero-column-padding  column-top-margin'     ><style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-m57o1c-0cd5307805c783dbded1f976160a57ed\">\n.avia-image-container.av-m57o1c-0cd5307805c783dbded1f976160a57ed img.avia_image{\nbox-shadow:none;\n}\n.avia-image-container.av-m57o1c-0cd5307805c783dbded1f976160a57ed .av-image-caption-overlay-center{\ncolor:#ffffff;\n}\n<\/style>\n<div  class='avia-image-container av-m57o1c-0cd5307805c783dbded1f976160a57ed av-styling- avia-align-center  avia-builder-el-38  avia-builder-el-no-sibling '   itemprop=\"image\" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/ImageObject\" ><div class=\"avia-image-container-inner\"><div class=\"avia-image-overlay-wrap\"><img fetchpriority=\"high\" class='wp-image-44453 avia-img-lazy-loading-not-44453 avia_image ' src='https:\/\/condata-ai.com\/wp-content\/uploads\/2025\/07\/Blog-VRay7_Luminaires-No_VRayLuminaire__Max_ray_intensity_disabled_Image_2.jpg' alt='' title='Blog-VRay7_Luminaires-No_VRayLuminaire__Max_ray_intensity_disabled_Image_2'  height=\"540\" width=\"540\"  itemprop=\"thumbnailUrl\"  \/><\/div><\/div><\/div><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-7r42seo-a49cc1f04362ddc06800e1958ef861a8\">\n.flex_column.av-7r42seo-a49cc1f04362ddc06800e1958ef861a8{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-7r42seo-a49cc1f04362ddc06800e1958ef861a8 av_one_third  avia-builder-el-39  el_after_av_one_third  el_before_av_one_third  flex_column_div av-zero-column-padding  column-top-margin'     ><style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-m57o1c-d71bdf80bf0cd1c069176f9342bf21a3\">\n.avia-image-container.av-m57o1c-d71bdf80bf0cd1c069176f9342bf21a3 img.avia_image{\nbox-shadow:none;\n}\n.avia-image-container.av-m57o1c-d71bdf80bf0cd1c069176f9342bf21a3 .av-image-caption-overlay-center{\ncolor:#ffffff;\n}\n<\/style>\n<div  class='avia-image-container av-m57o1c-d71bdf80bf0cd1c069176f9342bf21a3 av-styling- avia-align-center  avia-builder-el-40  avia-builder-el-no-sibling '   itemprop=\"image\" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/ImageObject\" ><div class=\"avia-image-container-inner\"><div class=\"avia-image-overlay-wrap\"><img fetchpriority=\"high\" class='wp-image-44463 avia-img-lazy-loading-not-44463 avia_image ' src='https:\/\/condata-ai.com\/wp-content\/uploads\/2025\/07\/Blog-VRay7_Luminaires-With_V-Ray_Luminaire_Image_3.jpg' alt='' title='Blog-VRay7_Luminaires-With_V-Ray_Luminaire_Image_3'  height=\"540\" width=\"540\"  itemprop=\"thumbnailUrl\"  \/><\/div><\/div><\/div><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-7r42seo-89d570dee5d293055899ea6876a8e212\">\n.flex_column.av-7r42seo-89d570dee5d293055899ea6876a8e212{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-7r42seo-89d570dee5d293055899ea6876a8e212 av_one_third  avia-builder-el-41  el_after_av_one_third  el_before_av_one_third  first flex_column_div av-zero-column-padding  column-top-margin'     ><p>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-m57o1c-f5bcc5cdfc3c5700441166fe21271263\">\n.avia-image-container.av-m57o1c-f5bcc5cdfc3c5700441166fe21271263 img.avia_image{\nbox-shadow:none;\n}\n.avia-image-container.av-m57o1c-f5bcc5cdfc3c5700441166fe21271263 .av-image-caption-overlay-center{\ncolor:#ffffff;\n}\n<\/style>\n<div  class='avia-image-container av-m57o1c-f5bcc5cdfc3c5700441166fe21271263 av-styling- avia-align-center  avia-builder-el-42  el_before_av_textblock  avia-builder-el-first '   itemprop=\"image\" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/ImageObject\" ><div class=\"avia-image-container-inner\"><div class=\"avia-image-overlay-wrap\"><img fetchpriority=\"high\" class='wp-image-44457 avia-img-lazy-loading-not-44457 avia_image ' src='https:\/\/condata-ai.com\/wp-content\/uploads\/2025\/07\/Blog-VRay7_Luminaires-No_VRayLuminaire__Max_ray_intensity_enabled.jpg' alt='' title='Blog-VRay7_Luminaires-No_VRayLuminaire__Max_ray_intensity_enabled'  height=\"540\" width=\"540\"  itemprop=\"thumbnailUrl\"  \/><\/div><\/div><\/div><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-k3r3gb8b-ba880689b69a8a210fd608a2772e05b9\">\n#top .av_textblock_section.av-k3r3gb8b-ba880689b69a8a210fd608a2772e05b9 .avia_textblock{\nfont-size:14px;\n}\n<\/style>\n<section  class='av_textblock_section av-k3r3gb8b-ba880689b69a8a210fd608a2772e05b9 '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><p style=\"text-align: center;\"><em>No VRayLuminaire, Max ray intensity enabled, 53min<\/em><\/p>\n<\/div><\/section><\/p><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-7r42seo-a49cc1f04362ddc06800e1958ef861a8\">\n.flex_column.av-7r42seo-a49cc1f04362ddc06800e1958ef861a8{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-7r42seo-a49cc1f04362ddc06800e1958ef861a8 av_one_third  avia-builder-el-44  el_after_av_one_third  el_before_av_one_third  flex_column_div av-zero-column-padding  column-top-margin'     ><p>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-m57o1c-38286402baa5ac35a9993e3dbd78c0c1\">\n.avia-image-container.av-m57o1c-38286402baa5ac35a9993e3dbd78c0c1 img.avia_image{\nbox-shadow:none;\n}\n.avia-image-container.av-m57o1c-38286402baa5ac35a9993e3dbd78c0c1 .av-image-caption-overlay-center{\ncolor:#ffffff;\n}\n<\/style>\n<div  class='avia-image-container av-m57o1c-38286402baa5ac35a9993e3dbd78c0c1 av-styling- avia-align-center  avia-builder-el-45  el_before_av_textblock  avia-builder-el-first '   itemprop=\"image\" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/ImageObject\" ><div class=\"avia-image-container-inner\"><div class=\"avia-image-overlay-wrap\"><img fetchpriority=\"high\" class='wp-image-44455 avia-img-lazy-loading-not-44455 avia_image ' src='https:\/\/condata-ai.com\/wp-content\/uploads\/2025\/07\/Blog-VRay7_Luminaires-No_VRayLuminaire__Max_ray_intensity_disabled.jpg' alt='' title='Blog-VRay7_Luminaires-No_VRayLuminaire__Max_ray_intensity_disabled'  height=\"540\" width=\"540\"  itemprop=\"thumbnailUrl\"  \/><\/div><\/div><\/div><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-k3r3gb8b-ba880689b69a8a210fd608a2772e05b9\">\n#top .av_textblock_section.av-k3r3gb8b-ba880689b69a8a210fd608a2772e05b9 .avia_textblock{\nfont-size:14px;\n}\n<\/style>\n<section  class='av_textblock_section av-k3r3gb8b-ba880689b69a8a210fd608a2772e05b9 '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><p style=\"text-align: center;\"><em>No VRayLuminaire, Max ray intensity disabled, 2h 46min<\/em><\/p>\n<\/div><\/section><\/p><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-7r42seo-a49cc1f04362ddc06800e1958ef861a8\">\n.flex_column.av-7r42seo-a49cc1f04362ddc06800e1958ef861a8{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-7r42seo-a49cc1f04362ddc06800e1958ef861a8 av_one_third  avia-builder-el-47  el_after_av_one_third  el_before_av_one_fifth  flex_column_div av-zero-column-padding  column-top-margin'     ><p>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-m57o1c-e06fcbd8b138cf7048c21a63f75cd95d\">\n.avia-image-container.av-m57o1c-e06fcbd8b138cf7048c21a63f75cd95d img.avia_image{\nbox-shadow:none;\n}\n.avia-image-container.av-m57o1c-e06fcbd8b138cf7048c21a63f75cd95d .av-image-caption-overlay-center{\ncolor:#ffffff;\n}\n<\/style>\n<div  class='avia-image-container av-m57o1c-e06fcbd8b138cf7048c21a63f75cd95d av-styling- avia-align-center  avia-builder-el-48  el_before_av_textblock  avia-builder-el-first '   itemprop=\"image\" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/ImageObject\" ><div class=\"avia-image-container-inner\"><div class=\"avia-image-overlay-wrap\"><img fetchpriority=\"high\" class='wp-image-44461 avia-img-lazy-loading-not-44461 avia_image ' src='https:\/\/condata-ai.com\/wp-content\/uploads\/2025\/07\/Blog-VRay7_Luminaires-Sampling_rate_with_V-Ray_Luminare.jpg' alt='' title='Blog-VRay7_Luminaires-Sampling_rate_with_V-Ray_Luminare'  height=\"540\" width=\"540\"  itemprop=\"thumbnailUrl\"  \/><\/div><\/div><\/div><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-k3r3gb8b-ba880689b69a8a210fd608a2772e05b9\">\n#top .av_textblock_section.av-k3r3gb8b-ba880689b69a8a210fd608a2772e05b9 .avia_textblock{\nfont-size:14px;\n}\n<\/style>\n<section  class='av_textblock_section av-k3r3gb8b-ba880689b69a8a210fd608a2772e05b9 '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><p style=\"text-align: center;\"><em>With VRayLuminaire, 1m 11s<\/em><\/p>\n<\/div><\/section><\/p><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-7r42seo-89d570dee5d293055899ea6876a8e212\">\n.flex_column.av-7r42seo-89d570dee5d293055899ea6876a8e212{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-7r42seo-89d570dee5d293055899ea6876a8e212 av_one_fifth  avia-builder-el-50  el_after_av_one_third  el_before_av_three_fifth  first flex_column_div av-zero-column-padding  column-top-margin'     ><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-6zzjlzk-a9e5b961ef883073e6c01a1c5fd2d4f7\">\n.flex_column.av-6zzjlzk-a9e5b961ef883073e6c01a1c5fd2d4f7{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-6zzjlzk-a9e5b961ef883073e6c01a1c5fd2d4f7 av_three_fifth  avia-builder-el-51  el_after_av_one_fifth  el_before_av_one_fifth  flex_column_div av-zero-column-padding  column-top-margin'     ><p><section  class='av_textblock_section av-6uczxzk-022bd283d4ace93923ff595e971e054c '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><p>Most of the light fixtures in Chaos Cosmos come with luminaire files so using them is simply a matter of drag and drop. If a light fixture doesn\u2019t have a luminaire file, it either has no light sources, or adding a luminaire does not improve the results (for example if the light sources directly illuminate the scene and there is no complex light transport). A tutorial\u00a0on creating luminaire files for custom\u00a0light fixtures is coming soon.<\/p>\n<\/div><\/section><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-37guymo-e05cae5246a4947dae80e1e43a1c03fb\">\n#top .hr.hr-invisible.av-37guymo-e05cae5246a4947dae80e1e43a1c03fb{\nheight:20px;\n}\n<\/style>\n<div  class='hr av-37guymo-e05cae5246a4947dae80e1e43a1c03fb hr-invisible  avia-builder-el-53  el_after_av_textblock  avia-builder-el-last '><span class='hr-inner '><span class=\"hr-inner-style\"><\/span><\/span><\/div><\/p><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-5wi3774-6cd67eb6585eeed1390e0032fb7e8254\">\n.flex_column.av-5wi3774-6cd67eb6585eeed1390e0032fb7e8254{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-5wi3774-6cd67eb6585eeed1390e0032fb7e8254 av_one_fifth  avia-builder-el-54  el_after_av_three_fifth  el_before_av_hr  flex_column_div av-zero-column-padding  column-top-margin'     ><\/div><div  class='hr av-37guymo-fa25da0d15f699f349a5b738ef662186 hr-big  avia-builder-el-55  el_after_av_one_fifth  el_before_av_one_fifth '><span class='hr-inner '><span class=\"hr-inner-style\"><\/span><\/span><\/div>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-1wldww-0d73531f3adb042472b31847c0aa4aa5\">\n.flex_column.av-1wldww-0d73531f3adb042472b31847c0aa4aa5{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-1wldww-0d73531f3adb042472b31847c0aa4aa5 av_one_fifth  avia-builder-el-56  el_after_av_hr  el_before_av_three_fifth  first flex_column_div av-zero-column-padding  '     ><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-4u6nzps-bcea42682a60fab1b9f8378d06837056\">\n.flex_column.av-4u6nzps-bcea42682a60fab1b9f8378d06837056{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-4u6nzps-bcea42682a60fab1b9f8378d06837056 av_three_fifth  avia-builder-el-57  el_after_av_one_fifth  el_before_av_one_fifth  flex_column_div av-zero-column-padding  '     ><p>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-8sm36ls-1c6e3aa38481796c657ac830ef6eeba3\">\n#top .av_textblock_section.av-8sm36ls-1c6e3aa38481796c657ac830ef6eeba3 .avia_textblock{\nfont-size:18px;\ncolor:#3d3d3d;\n}\n<\/style>\n<section  class='av_textblock_section av-8sm36ls-1c6e3aa38481796c657ac830ef6eeba3 '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock av_inherit_color'  itemprop=\"text\" ><p><strong>Working with VRayLuminaire light sources<\/strong><\/p>\n<\/div><\/section><br \/>\n<section  class='av_textblock_section av-4fm78xc-11f817e1e8f7c809359975e3b3da6d67 '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><p>If a light fixture has a VRayLuminaire object attached to it, then control of the light emitted from the fixture, like intensity and temperature, should be handled from the VRayLuminaire object. However at this time, disabling a VRayLuminaire light simply disables the light field calculation and not the regular light sources that are a part of the light fixture. An easy way to disable all of the light emitted from the fixture is to set the intensity of the VRayLuminaire light to 0.0.<\/p>\n<p>Similarly, in the VRayLightMix system, the original lights in the fixture and the VRayLuminaire light will appear separately; this is something that will be improved in subsequent V-Ray 7 releases.<\/p>\n<\/div><\/section><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-37guymo-69c885159c131f275d4c43e05cc0f9b4\">\n#top .hr.hr-invisible.av-37guymo-69c885159c131f275d4c43e05cc0f9b4{\nheight:40px;\n}\n<\/style>\n<div  class='hr av-37guymo-69c885159c131f275d4c43e05cc0f9b4 hr-invisible  avia-builder-el-60  el_after_av_textblock  el_before_av_button '><span class='hr-inner '><span class=\"hr-inner-style\"><\/span><\/span><\/div><br \/>\n<div  class='avia-button-wrap av-k33uw2cb-0c7457ba8959425a1e615956954ad02b-wrap avia-button-center  avia-builder-el-61  el_after_av_hr  el_before_av_hr '><a href='https:\/\/condata-ai.com\/chaos\/vray\/'  class='avia-button av-k33uw2cb-0c7457ba8959425a1e615956954ad02b av-link-btn avia-icon_select-no avia-size-large avia-position-center avia-color-theme-color'  target=\"_blank\"  rel=\"noopener noreferrer\"  aria-label=\"&lt;span style=&quot;font-size: 16px; font-weight: bold;&quot;&gt;\u4e86\u89e3 V-Ray&lt;\/span&gt;\"><span class='avia_iconbox_title' ><span style=\"font-size: 16px; font-weight: bold;\">\u4e86\u89e3 V-Ray<\/span><\/span><\/a><\/div><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-37guymo-e05cae5246a4947dae80e1e43a1c03fb\">\n#top .hr.hr-invisible.av-37guymo-e05cae5246a4947dae80e1e43a1c03fb{\nheight:20px;\n}\n<\/style>\n<div  class='hr av-37guymo-e05cae5246a4947dae80e1e43a1c03fb hr-invisible  avia-builder-el-62  el_after_av_button  avia-builder-el-last '><span class='hr-inner '><span class=\"hr-inner-style\"><\/span><\/span><\/div><\/p><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-3jv0ua8-7be5c01c15ea8a60012681c2b26a825f\">\n.flex_column.av-3jv0ua8-7be5c01c15ea8a60012681c2b26a825f{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-3jv0ua8-7be5c01c15ea8a60012681c2b26a825f av_one_fifth  avia-builder-el-63  el_after_av_three_fifth  avia-builder-el-last  flex_column_div av-zero-column-padding  '     ><\/div>\n\n<\/div><\/div><\/div><!-- close content main div --><\/div><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-waey5b-497dbf9c80d381523c13c85c659aa521\">\n.avia-section.av-waey5b-497dbf9c80d381523c13c85c659aa521{\nbackground-color:#dddddd;\nbackground-image:unset;\n}\n<\/style>\n<div id='av_section_3'  class='avia-section av-waey5b-497dbf9c80d381523c13c85c659aa521 main_color avia-section-large avia-no-border-styling  avia-builder-el-64  el_after_av_section  el_before_av_section  avia-bg-style-scroll container_wrap sidebar_right'  ><div class='container av-section-cont-open' ><div class='template-page content  av-content-small alpha units'><div class='post-entry post-entry-type-page post-entry-44482'><div class='entry-content-wrapper clearfix'>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-12ii0ts-045daa214c3967810055e549fcb1c3a0\">\n.flex_column.av-12ii0ts-045daa214c3967810055e549fcb1c3a0{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-12ii0ts-045daa214c3967810055e549fcb1c3a0 av_one_fifth  avia-builder-el-65  el_before_av_three_fifth  avia-builder-el-first  first flex_column_div av-zero-column-padding  '     ><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-2cyuzps-5bb7f358dcc84aefd7c0c53d414ba71b\">\n.flex_column.av-2cyuzps-5bb7f358dcc84aefd7c0c53d414ba71b{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-2cyuzps-5bb7f358dcc84aefd7c0c53d414ba71b av_three_fifth  avia-builder-el-66  el_after_av_one_fifth  el_before_av_one_fifth  flex_column_div av-zero-column-padding  '     ><style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-8sm36ls-3b15b10e2027f9a30a69bb7ac6898a08\">\n#top .av_textblock_section.av-8sm36ls-3b15b10e2027f9a30a69bb7ac6898a08 .avia_textblock{\nfont-size:16px;\ncolor:#3d3d3d;\n}\n<\/style>\n<section  class='av_textblock_section av-8sm36ls-3b15b10e2027f9a30a69bb7ac6898a08 '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock av_inherit_color'  itemprop=\"text\" ><p style=\"text-align: center;\"><strong>About the author<\/strong><\/p>\n<\/div><\/section><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-37guymo-312e41ad389396acaa0cd57dee0dc579\">\n#top .hr.hr-invisible.av-37guymo-312e41ad389396acaa0cd57dee0dc579{\nheight:10px;\n}\n<\/style>\n<div  class='hr av-37guymo-312e41ad389396acaa0cd57dee0dc579 hr-invisible  avia-builder-el-68  el_after_av_textblock  el_before_av_image '><span class='hr-inner '><span class=\"hr-inner-style\"><\/span><\/span><\/div><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-m57o1c-991f7ad5ca2aacf6ef8113a91f2acf0d\">\n.avia-image-container.av-m57o1c-991f7ad5ca2aacf6ef8113a91f2acf0d img.avia_image{\nbox-shadow:none;\n}\n.avia-image-container.av-m57o1c-991f7ad5ca2aacf6ef8113a91f2acf0d .av-image-caption-overlay-center{\ncolor:#ffffff;\n}\n<\/style>\n<div  class='avia-image-container av-m57o1c-991f7ad5ca2aacf6ef8113a91f2acf0d av-styling- avia-align-center  avia-builder-el-69  el_after_av_hr  el_before_av_hr '   itemprop=\"image\" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/ImageObject\" ><div class=\"avia-image-container-inner\"><div class=\"avia-image-overlay-wrap\"><img fetchpriority=\"high\" class='wp-image-44473 avia-img-lazy-loading-not-44473 avia_image ' src='https:\/\/condata-ai.com\/wp-content\/uploads\/2025\/07\/Vladimir_Koylazov_550x550.png' alt='' title='Vladimir_Koylazov_550x550'  height=\"200\" width=\"200\"  itemprop=\"thumbnailUrl\"  \/><\/div><\/div><\/div><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-37guymo-312e41ad389396acaa0cd57dee0dc579\">\n#top .hr.hr-invisible.av-37guymo-312e41ad389396acaa0cd57dee0dc579{\nheight:10px;\n}\n<\/style>\n<div  class='hr av-37guymo-312e41ad389396acaa0cd57dee0dc579 hr-invisible  avia-builder-el-70  el_after_av_image  el_before_av_textblock '><span class='hr-inner '><span class=\"hr-inner-style\"><\/span><\/span><\/div><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-8sm36ls-1b910be0e58eec302459e889b6063531\">\n#top .av_textblock_section.av-8sm36ls-1b910be0e58eec302459e889b6063531 .avia_textblock{\nfont-size:20px;\ncolor:#3d3d3d;\n}\n<\/style>\n<section  class='av_textblock_section av-8sm36ls-1b910be0e58eec302459e889b6063531 '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock av_inherit_color'  itemprop=\"text\" ><p style=\"text-align: center;\"><strong>Vladimir Koylazov<\/strong><\/p>\n<\/div><\/section><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-37guymo-312e41ad389396acaa0cd57dee0dc579\">\n#top .hr.hr-invisible.av-37guymo-312e41ad389396acaa0cd57dee0dc579{\nheight:10px;\n}\n<\/style>\n<div  class='hr av-37guymo-312e41ad389396acaa0cd57dee0dc579 hr-invisible  avia-builder-el-72  el_after_av_textblock  el_before_av_textblock '><span class='hr-inner '><span class=\"hr-inner-style\"><\/span><\/span><\/div><br \/>\n<section  class='av_textblock_section av-76tdow-70807c1cda3b7dec23e47313877a05fc '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><p>As Head of Innovation, Vladimir \u201cVlado\u201d Koylazov leads the Chaos Innovation Lab and oversees Chaos\u2019 research, development, and experiments with the latest technologies. He co-founded Chaos in 1997, developed the globally acclaimed rendering software V-Ray, and held the role of Chief Technical Officer for over 20 years. During this time, he has been the driving force behind the software development and R&amp;D at Chaos, as well as an active member of the global CG community. Vlado is a graduate of Sofia University\u2019s Faculty of Mathematics and Informatics.<\/p>\n<\/div><\/section><\/p><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-12ii0ts-b8e6ad0bd9d52fe45a1db5edb4ef7bdd\">\n.flex_column.av-12ii0ts-b8e6ad0bd9d52fe45a1db5edb4ef7bdd{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-12ii0ts-b8e6ad0bd9d52fe45a1db5edb4ef7bdd av_one_fifth  avia-builder-el-74  el_after_av_three_fifth  avia-builder-el-last  flex_column_div av-zero-column-padding  '     ><\/div>\n\n<\/div><\/div><\/div><!-- close content main div --><\/div><\/div><div id='av_section_4'  class='avia-section av-waey5b-93d6efc23bdd78cc06fc7133ba3de0a6 main_color avia-section-no-padding avia-no-border-styling  avia-builder-el-75  el_after_av_section  el_before_av_section  avia-bg-style-scroll container_wrap sidebar_right'  ><div class='container av-section-cont-open' ><div class='template-page content  av-content-small alpha units'><div class='post-entry post-entry-type-page post-entry-44482'><div class='entry-content-wrapper clearfix'>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-12ii0ts-045daa214c3967810055e549fcb1c3a0\">\n.flex_column.av-12ii0ts-045daa214c3967810055e549fcb1c3a0{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-12ii0ts-045daa214c3967810055e549fcb1c3a0 av_two_fifth  avia-builder-el-76  el_before_av_one_fifth  avia-builder-el-first  first flex_column_div av-zero-column-padding  '     ><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-12ii0ts-b8e6ad0bd9d52fe45a1db5edb4ef7bdd\">\n.flex_column.av-12ii0ts-b8e6ad0bd9d52fe45a1db5edb4ef7bdd{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-12ii0ts-b8e6ad0bd9d52fe45a1db5edb4ef7bdd av_one_fifth  avia-builder-el-77  el_after_av_two_fifth  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