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  pbox Posts: 630 Member

  October 2014

  Just adding two screens for direct comparison, to make sure it's not mistaken as purely a user-side graphics issue:
  
  
  Custom wall on the left (seam), Maxis on middle/right (seamless):
  
  
  
  
  Maxis on left/middle/right (completely seamless):
  
  
  
  
  I have a relatively lame graphics card (but am within specs) .. and your walls look seamless, so HOW are you doing this? o.O
  
  
  Also here are some direct links to packages in case that helps:
  
  http://www.modyourpanties.com/hosting/62202_141021152846pbox_simplesiding_left.7z
  the one in my screenshots above (single tile left edge)
  
  http://chii.modthesims.info/getfile.php?file=1474495
  not pictured above, screenshot here
  
  
  
  

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  pbox Posts: 630 Member

  October 2014

  Also, I tested with a direct texture override -- that has no seams. So it cannot be the actual textures, must be something else in custom walls. (This override is only the diffuse texture, but some of the ones shown above don't have bumps/specs so that can't be it either).
  
  (Override is for the corner texture 0x00B2D882-0x00000000-0xEBA2E8A773C1476F, rest is untouched)
  
  
  

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  SimGuruModSquad Posts: 597 Member

  October 2014

  Hey guys. The reason for the seam is because the sampler for the base texture will wrap rather than clamp at the boundary. This means you’ll get a small amount of the other edge of the texture, which will create seams if the texture’s sides aren’t tileable.
  
  A way to avoid this is to use a material setting in the MTRL block to scale the UVs such that a single texture can be spread across multiple wall or floor tiles. The parameter name is DiffuseUVScale (which is referenced in the MRTL block via the hash of its name: 0x2d4e507e). Setting this to 0.5 will make it a 2-tile interval, 2.0 will make it a half-tile interval, etc. For an example of a resource that does this, see 01d0e75d:00000000:98cf7bf37a1cc76c – this wall pattern is called “Urbanity” in the catalog. There is a limitation on this though, the alignment of the wall texture is based on its lot position, i.e. if a texture spans multiple tiles, which part of the texture that is used for a particular tile is based on that tile’s lot position.
  
  Hope that helps.

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  Sierra Posts: 4 New Member

  October 2014

  A few of us have already used the Urbanity wall to make murals with and noticed the limitation of alignment being based on lot position. But it also seems to shuffle the alignment based on wall height. So if you place the mural in order on a short wall and then raise the height of the wall to medium or tall the order gets scrambled and the mural pieces are out of order. Is this position change based on wall height built in to the Urbanity wall the same way the lot alignment limitation is?

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  SimGuruModSquad Posts: 597 Member

  October 2014

  Hi Sierra, yes the wall height also factors into the texture alignment.

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  pbox Posts: 630 Member

  October 2014 edited October 2014

  @Sierra, maybe you can get around the shuffling by um .. “counter-shuffling” your base texture in a way that will make it appear unshuffled again? (Like when it has four 1-unit parts ABCD, which get displayed as CDBA on medium walls, make your medium texture a DCAB one?) -- apparently doesn't happen when making a wall from scratch, so this would be unnecessary.
  
  @SimGuruModSquad, thank you! The DiffuseUVScale was the last state of our guessing as well, good to know we were guessing in the right direction =P

  Post edited by pbox on October 2014

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  Snaitf0 Posts: 53 Member

  October 2014

  Yes, thank you for the info!

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