https://forums.autodesk.com/t5/arnold-for-maya-forum/refraction-not-showing-any-colour-maya/m-p/11063231#M6318 <P>It looks like you are missing this step from the <A href="https://docs.arnoldrenderer.com/display/A5AFMUG/Refractive+Portrait">tutorial</A> (see shader at bottom of tutorial):</P><UL> <LI>Connect the same projected texture to the <EM>Specular IOR</EM> and <EM><STRONG>Transmission Color</STRONG></EM> via a <EM>Range</EM>shader. The <EM>Range</EM> shader is used to define how much the texture will refract and can be used to fine-tune the effect.</LI></UL> Mon, 06 May 2019 06:55:25 GMT lee_griggs 2019-05-06T06:55:25Z https://forums.autodesk.com/t5/arnold-for-maya-forum/refraction-not-showing-any-colour-maya/m-p/11063227#M6314 <P>Following along to Lee Griggs tutorial and almost there, but for some reason the refraction is grey. Do you have any advice for fixing this?</P><P><span class="lia-inline-image-display-wrapper" image-alt="3850-refractiveportraitvolume-render-002.jpg"><img src="https://forums.autodesk.com/t5/image/serverpage/image-id/1042992i3D36BDFF1BEC607B/image-size/large?v=v2&amp;px=999" role="button" title="3850-refractiveportraitvolume-render-002.jpg" alt="3850-refractiveportraitvolume-render-002.jpg" /></span></P> Sat, 04 May 2019 14:39:23 GMT https://forums.autodesk.com/t5/arnold-for-maya-forum/refraction-not-showing-any-colour-maya/m-p/11063227#M6314 Anonymous 2019-05-04T14:39:23Z https://forums.autodesk.com/t5/arnold-for-maya-forum/refraction-not-showing-any-colour-maya/m-p/11063228#M6315 <P>@LeeGriggs</P> Sat, 04 May 2019 19:53:09 GMT https://forums.autodesk.com/t5/arnold-for-maya-forum/refraction-not-showing-any-colour-maya/m-p/11063228#M6315 Anonymous 2019-05-04T19:53:09Z https://forums.autodesk.com/t5/arnold-for-maya-forum/refraction-not-showing-any-colour-maya/m-p/11063229#M6316 <P>Are you using a Al Shader? What version are of Arnold are you using? Al Shader might not be compatible.</P> Sat, 04 May 2019 22:44:25 GMT https://forums.autodesk.com/t5/arnold-for-maya-forum/refraction-not-showing-any-colour-maya/m-p/11063229#M6316 teddude75 2019-05-04T22:44:25Z https://forums.autodesk.com/t5/arnold-for-maya-forum/refraction-not-showing-any-colour-maya/m-p/11063230#M6317 <P>I am using an aiStandardSurface and the latest version of Arnold.</P> Sun, 05 May 2019 12:20:01 GMT https://forums.autodesk.com/t5/arnold-for-maya-forum/refraction-not-showing-any-colour-maya/m-p/11063230#M6317 Anonymous 2019-05-05T12:20:01Z https://forums.autodesk.com/t5/arnold-for-maya-forum/refraction-not-showing-any-colour-maya/m-p/11063231#M6318 <P>It looks like you are missing this step from the <A href="https://docs.arnoldrenderer.com/display/A5AFMUG/Refractive+Portrait">tutorial</A> (see shader at bottom of tutorial):</P><UL> <LI>Connect the same projected texture to the <EM>Specular IOR</EM> and <EM><STRONG>Transmission Color</STRONG></EM> via a <EM>Range</EM>shader. The <EM>Range</EM> shader is used to define how much the texture will refract and can be used to fine-tune the effect.</LI></UL> Mon, 06 May 2019 06:55:25 GMT https://forums.autodesk.com/t5/arnold-for-maya-forum/refraction-not-showing-any-colour-maya/m-p/11063231#M6318 lee_griggs 2019-05-06T06:55:25Z