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Expand All Collapse All
  • Introduction to 3DCoat
  • Getting started
    • System requirements
    • Activating 3DCoat
    • Startup error
      • Startup error Mac
    • Upgrading permanent license
    • Linux Setup
      • Linux initial setup per-user installation
      • Linux initial setup for system
      • Tablet setup
      • To GTK3 from GTK2
    • Folders Structure
      • Custom documents folder
    • Different Forms of “Resolution”
    • Import and Export
    • Applinks in 3DCoat
      • Blender 4.1 applink
        • Blender with the Applink in Linux
      • Blender 4.2/3 applink
      • Max Applink
      • Houdini applink
      • Lightwave uplink
  • Navigation
    • Opening Dialog (Quick Start Menu)
    • Navigation Panel
    • Camera and Navigation
      • Customize Navigation as Blender
    • Viewport Navigation Gizmo
    • Left tool panel
    •  Activity Bar
    • Navigation using 3DConnexion devices
      • How to compile Spacenavd on non Ubuntu distro
    • Stylus doesn’t work in sculpting
    • Hotkeys
  • Interface
    • File
    • Edit
      • Calculate Curvature
      • Calculate Occlusion
      • Light Baking Tool
      • Preferences
    • View
    • Symmetry
    • Textures
    • Calculate
    • Layers
    • Freeze
    • Hide
    • Bake
    • Curves
      • Curves editor
      • Fill with mesh layer
      • Scale of imported curves
    • Windows
      • Tabbed and Popup Panels
      • Controls
    • Scripts
    • Addons
    • Capture
    • Help
    • Room Customization
    • Modify or Create new Room
  • Brush Components
    • Brushes general use
      • Create alpha brushes and decals
      • Making alpha from current sculpt
      • Create a Brush from a 3D Object
      • Create brushes based on Curves
      • Load photoshop .abr brushes
    • Strokes
      • Curves Popup Menu
    • Brush Options panel
    • Brush Top Bar
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      • Import Quixel Material
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        • UV Set smoothing
        • Sharp (hard) edge
        • Lock Normals
        • Load new UV layout After Model Changes
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      • Fakebake the lighting -non PBR-
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      • Loft surface example by Fluffy
      • Blockout by Poeboi
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Making alpha from current sculpt

544 views 0

Written by Carlos
May 11, 2023

To create an alpha from a sculpt room object do this:

File menu in the sculpt room. Choose export depth along  Y.
Make sure your model is facing Y up and centered in world space. 
Uncheck everything
Set your texture size and the patch size which is the size of the alpha in the image.  Smaller patch size numbers will increase the amount your sculpt alpha fills the inside of your texture image space. Patch size 100 is ok. Higher makes small, lower almost crashed 3DC.

– Be aware even though I select tif, 3dc tries to export as exr. tif is 32bit still.
– Can go 16K, huge file size.
– Important: ZB couldnt read 32bit tif, needed to convert to 16 bit in PShop. Created displaces works fine.

You can use tiff as it creates a 16 bit image. Exr work well except that it is a 32 bits format making huge file and you have to do another manipulation in Photoshop if you want to drop it to 16 bits.

Note: Color can be deselected in the dialog box unless you want a separate color image too.

Tags:create alpha

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