{"id":2001,"date":"2012-10-10T19:27:03","date_gmt":"2012-10-10T19:27:03","guid":{"rendered":"https:\/\/www.cg-blog.com\/?page_id=2001"},"modified":"2012-10-11T06:54:18","modified_gmt":"2012-10-11T06:54:18","slug":"splotches-affectsh","status":"publish","type":"page","link":"https:\/\/www.cg-blog.com\/index.php\/knowledge-base\/splotches-affectsh","title":{"rendered":"Have you ever got these splotches?"},"content":{"rendered":"<p>Sometimes we can get sploches and it could be really difficult detect the origin of this problem.<\/p>\n<p>&nbsp;<\/p>\n<p>If you have glass materials in your scene, splotches like that:<\/p>\n<p><a href=\"https:\/\/www.cg-blog.com\/wp-content\/uploads\/2012\/10\/no-affectshadows.jpg\"><img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-2002\" title=\"no-affectshadows-icon\" src=\"https:\/\/www.cg-blog.com\/wp-content\/uploads\/2012\/10\/no-affectshadows-icon.jpg\" alt=\"\" width=\"400\" height=\"300\" srcset=\"https:\/\/www.cg-blog.com\/wp-content\/uploads\/2012\/10\/no-affectshadows-icon.jpg 400w, https:\/\/www.cg-blog.com\/wp-content\/uploads\/2012\/10\/no-affectshadows-icon-300x225.jpg 300w\" sizes=\"(max-width: 400px) 100vw, 400px\" \/><\/a><\/p>\n<p>could be caused by glass material without &#8220;<strong>affect shadows<\/strong>&#8221; enabled. If you active it this is the result:<\/p>\n<p><a href=\"https:\/\/www.cg-blog.com\/wp-content\/uploads\/2012\/10\/affectshadows.jpg\"><img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-2004\" title=\"affectshadows-icon\" src=\"https:\/\/www.cg-blog.com\/wp-content\/uploads\/2012\/10\/affectshadows-icon.jpg\" alt=\"\" width=\"400\" height=\"300\" srcset=\"https:\/\/www.cg-blog.com\/wp-content\/uploads\/2012\/10\/affectshadows-icon.jpg 400w, https:\/\/www.cg-blog.com\/wp-content\/uploads\/2012\/10\/affectshadows-icon-300x225.jpg 300w\" sizes=\"(max-width: 400px) 100vw, 400px\" \/><\/a><\/p>\n<p>&nbsp;<\/p>\n<p>Enabling this option you let direct light passing through the glass. For example if you have a direct light like sun, this option let sun rays coming in the interior.<\/p>\n<p>In this case, this option disabled doesn&#8217;t stop the V-Ray Light rays but produce a lot of noise and increase a lot the render time:<\/p>\n<ul>\n<li>affect shadows &#8211; disabled: <strong>133 secs<\/strong> with noise<\/li>\n<li>affect shadows &#8211; enabled: <strong>39 secs<\/strong> without noise<\/li>\n<\/ul>\n<p>If you want to test the differences <a href=\"https:\/\/www.cg-blog.com\/wp-content\/uploads\/2012\/10\/splotches.zip\">DOWNLOAD THIS SCENE SAMPLE<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Sometimes we can get sploches and it could be really difficult detect the origin of this problem. &nbsp; If you have glass materials in your scene, splotches like that: could be caused by glass material without &#8220;affect shadows&#8221; enabled. If you active it this is the result: &nbsp; Enabling this option you let direct light [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":1150,"menu_order":0,"comment_status":"open","ping_status":"open","template":"","meta":{"om_disable_all_campaigns":false},"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.cg-blog.com\/index.php\/wp-json\/wp\/v2\/pages\/2001"}],"collection":[{"href":"https:\/\/www.cg-blog.com\/index.php\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.cg-blog.com\/index.php\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.cg-blog.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.cg-blog.com\/index.php\/wp-json\/wp\/v2\/comments?post=2001"}],"version-history":[{"count":0,"href":"https:\/\/www.cg-blog.com\/index.php\/wp-json\/wp\/v2\/pages\/2001\/revisions"}],"up":[{"embeddable":true,"href":"https:\/\/www.cg-blog.com\/index.php\/wp-json\/wp\/v2\/pages\/1150"}],"wp:attachment":[{"href":"https:\/\/www.cg-blog.com\/index.php\/wp-json\/wp\/v2\/media?parent=2001"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}