View source for Racer445 Normal Map Issues

__NOTOC__
[http://cg.tutsplus.com/tutorials/autodesk-3ds-max/how-to-bake-a-flawless-normal-map-in-3ds-max/ How to Bake a Flawless Normal Map in 3ds Max] <<BR>> is a great overall introduction to normalmapping, but there are a few corrections to make:

(5:42) Object-space maps CAN be mirrored using special shaders, but requires specific support for the feature which is not too common. ([[NormalMap#OSNM|why]])

(6:10) Mirroring isn't always flawless ([[NormalMap#M|why]])

(6:45) 90 degree angles aren't always bad since he's using a projection cage instead of a distance-based raycast, however hard surface/mechanical models generally require smoothing and UV splits at sharp angles unless the tangent basis is synced between baking program and renderer. There was no mention of the tangent-basis issue as the tutorial was created before the topic was common among artists. ([[NormalMap#SGAHE|why]]) ([[NormalMap#Tangent_Basis|why]]) 

(9:39) In-game vertex count for a hard-edged model is not more than a bevelled model ([http://www.ericchadwick.com/examples/provost/byf2.html#wts why]) 

(11:00) UVs have some overlapping seams, no mention of edge padding issues or designing your model for normal mapping. ([[NormalMap#EP|why]])

<<BR>>
* Return to [[Polycount|Main Page]]<<BR>> Return to [[NormalMap]]