Hair as Grass

I know that the stand based hair system can be used to also get grass like effects but I'm not sure how.

Would someome be so kind as to please share some material settings for it?

Comments

  • lilweeplilweep Posts: 2,550

    grass is green if that helps.

  • GordigGordig Posts: 10,171

    The cryptically-named Foreground Blends used dForce hair as grass. 

  • rosselianirosseliani Posts: 374
    edited November 2022

    I used SBH as Hair, Beard, Fur and Grass in this (heavy) Scene:

    caveman3_1440.png
    2330 x 1440 - 6M
    SBH settings_02.png
    921 x 804 - 475K
    SBH settings_03.png
    937 x 812 - 499K
    SBH settings_04.png
    838 x 804 - 422K
    SBH settings_05.png
    648 x 1005 - 387K
    SBH settings_01.png
    411 x 701 - 48K
    Post edited by rosseliani on
  • lilweeplilweep Posts: 2,550

    I am a devotee of SBH but dont think it is the right tool for grass.

    imo it is better to just Scatter(as instances) a bunch of different grass-clump assets over a surface.

  • lilweep said:

    I am a devotee of SBH but dont think it is the right tool for grass.

    imo it is better to just Scatter(as instances) a bunch of different grass-clump assets over a surface.

    I do agree, my exemple Scene above was RAM (>60 GB) and VRAM (>18 Gb) hungry while rendering! I have 96Gb RAM and a RTX 3090 24Gb VRAM, quite a nice gear.

  • lilweeplilweep Posts: 2,550

    There's some free grass on polyhaven if you dont have any https://polyhaven.com/models/nature/grass

    These grasses are made by the same guy that does that popular environment creation tutorial for Blender.  They are decent... there are probably better ones. Might even be some on the Daz store, i dunno.

    I guess you would need Ultrascatter to effectively scatter in Daz Studio, otherwise can do manual instances by hand (which I have actually done in past, not with an entire field of grass tho)

  • Ghosty12Ghosty12 Posts: 2,065

    lilweep said:

    There's some free grass on polyhaven if you dont have any https://polyhaven.com/models/nature/grass

    These grasses are made by the same guy that does that popular environment creation tutorial for Blender.  They are decent... there are probably better ones. Might even be some on the Daz store, i dunno.

    I guess you would need Ultrascatter to effectively scatter in Daz Studio, otherwise can do manual instances by hand (which I have actually done in past, not with an entire field of grass tho)

    Not sure how you would use it in Studio as the model files are .blend. So would have to export from Blender first I think.

  • GordigGordig Posts: 10,171

    Ghosty12 said:

    lilweep said:

    There's some free grass on polyhaven if you dont have any https://polyhaven.com/models/nature/grass

    These grasses are made by the same guy that does that popular environment creation tutorial for Blender.  They are decent... there are probably better ones. Might even be some on the Daz store, i dunno.

    I guess you would need Ultrascatter to effectively scatter in Daz Studio, otherwise can do manual instances by hand (which I have actually done in past, not with an entire field of grass tho)

    Not sure how you would use it in Studio as the model files are .blend. So would have to export from Blender first I think.

    Both of those models are also available as FBX.

  • Ghosty12Ghosty12 Posts: 2,065

    Gordig said:

    Ghosty12 said:

    lilweep said:

    There's some free grass on polyhaven if you dont have any https://polyhaven.com/models/nature/grass

    These grasses are made by the same guy that does that popular environment creation tutorial for Blender.  They are decent... there are probably better ones. Might even be some on the Daz store, i dunno.

    I guess you would need Ultrascatter to effectively scatter in Daz Studio, otherwise can do manual instances by hand (which I have actually done in past, not with an entire field of grass tho)

    Not sure how you would use it in Studio as the model files are .blend. So would have to export from Blender first I think.

    Both of those models are also available as FBX.

    Ahh k thank you for the info, now to find them as the two in the above link are all there was. sad

  • PsyckosamaPsyckosama Posts: 495
    edited November 2022

    Okay, I'm explicity asking for daz hair asking because I need a ghilli cloak

    Thinking just throwing fur on a dforce cloak'll do nicely.

    Post edited by Psyckosama on
  • nonesuch00nonesuch00 Posts: 18,288
    edited November 2022

    You can use SBH editor to make the roots thick and the tips thin and also edit to give slight pseudo-random arcs to the blades but I can't recall a control to make the SBH shafts flatter off the top of my head. Some natural grass, eg sheep fescue, has thin roundish grass blade shafts.

    Post edited by nonesuch00 on
  • Psyckosama said:

    Okay, I'm explicity asking for daz hair asking because I need a ghilli cloak

    Thinking just throwing fur on a dforce cloak'll do nicely.

    Sure SBH hair will do it nicely, but you'll need to tweak the SBH parameters and experiment. I hope the screenshots I provided above will help you. Be prepared to struggle if you're short of memory (both RAM and VRAM).

    Good luck!

  • rosseliani said:

    Psyckosama said:

    Okay, I'm explicity asking for daz hair asking because I need a ghilli cloak

    Thinking just throwing fur on a dforce cloak'll do nicely.

    Sure SBH hair will do it nicely, but you'll need to tweak the SBH parameters and experiment. I hope the screenshots I provided above will help you. Be prepared to struggle if you're short of memory (both RAM and VRAM).

    Good luck!

    64 gib and a 3090. I'm good.

    Thanks.

  • McGyverMcGyver Posts: 7,066

    What you need is Chia Hair... A revolutionary new system for three dimensional electro-polygonal persons with thinning or non-existent hair.

    https://sharecg.com/v/80255/gallery/11/Poser/CHIA-Hair

    You probably don't need it... nobody does, it's actually pretty bad and old... and it causes Sri Lankan Musk Ape disorder, which while mostly non-fatal is quite difficult to mask the odor of.

  • lilweeplilweep Posts: 2,550
    edited November 2022

    rosseliani said:

    Psyckosama said:

    Okay, I'm explicity asking for daz hair asking because I need a ghilli cloak

    Thinking just throwing fur on a dforce cloak'll do nicely.

    Sure SBH hair will do it nicely, but you'll need to tweak the SBH parameters and experiment. I hope the screenshots I provided above will help you. Be prepared to struggle if you're short of memory (both RAM and VRAM).

    Good luck!

    um they were explicitly asking in the OP about the shader settings, not how to use SBH Editor. 

    I think i would just use Daz Uber Iray shader and make Base Color green-yellow (you can add a texture here with some variation/color noise to vary the color of each strand), add some Trans Weight and make Trans Color green (can also plug in the color noise texture here).  Glossy Roughness would be relatively high.

     

    Post edited by lilweep on
  • lilweeplilweep Posts: 2,550

    Ghosty12 said:

    Gordig said:

    Ghosty12 said:

    lilweep said:

    There's some free grass on polyhaven if you dont have any https://polyhaven.com/models/nature/grass

    These grasses are made by the same guy that does that popular environment creation tutorial for Blender.  They are decent... there are probably better ones. Might even be some on the Daz store, i dunno.

    I guess you would need Ultrascatter to effectively scatter in Daz Studio, otherwise can do manual instances by hand (which I have actually done in past, not with an entire field of grass tho)

    Not sure how you would use it in Studio as the model files are .blend. So would have to export from Blender first I think.

    Both of those models are also available as FBX.

    Ahh k thank you for the info, now to find them as the two in the above link are all there was. sad

    You can change the parameters of the download by clicking the various buttons that are adjacent to the download button.

    Can also just convert from .blend to .obj in blender.  I always convert from fbx to obj anyway before importing any fbx to Daz since Daz fbx importer is so bad and prone to failure.

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