Forums >> Revit Building >> Technical Support >> materials question

hammer87

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Joined: Tue, Oct 25, 2005
310 Posts

on some of the familes  that i have downloaded on revitcity, when i go into the properites to apply a material to an object, theres no section to do it in, and then it renders gray

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ArchWestCY

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Joined: Wed, Mar 29, 2006
197 Posts

Material parameters are set during the extrusion process.  Sometimes when a family is made the material attribute is neglected.  To fix it, you will need to edit the family.  Once, in the family select a part and click 'edit'.  When you are in the extrusion edit mode you can apply a material parameter in the properties dialog.  Then finish sketch.  So, you won't need to change the extrusion sketch, just add the parameter and finish.  You can set the material in the family by simply choosing a material for each extrusion, or you can set up a the material parameter so that the material can be set in the model.

If you need more specific help with adding parameters, let me know. 

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TomDorner

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Joined: Sun, Apr 25, 2004
1207 Posts

This raises a family creation standard policy that should apply to this site and Revit in general.  All materiality should be exposed to the user via a material parameter in the family.  Material naming conventions should probably be established as well as right now they are inconsistant even with the OTB Revit families.  Some materials are called what the object is: Glass - Reflective and others are called by a category: Finishes:Interior - Paint.  Sometimes materials are named way too simplistically like Glass, Metal, Wood and do not provide enough meaninful differentiation to be used by objects.

Trying to navigate through the myriad of materials at rendering time is almost a hopeless task right now.

I will attempt to start a family creation and material guide one of these days and get it posted for comment.

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