Priya Kapoor
To turn on alpha properties in Substance Painter, you must first understand what alpha channels are and how they work. Alpha channels determine the shape of the brush tip and allow you to paint on unpaintable areas. In Substance Painter, you can change your alpha by selecting a new one in Assets > Alphas or by clicking your current Alpha in the Properties panel. To turn on alpha properties, you can follow these general steps: add a layer to create an empty layer, select an alpha, and then double-click or drag it into the alpha slot. From there, you can adjust the settings for that alpha, such as colour, emissive, height, and paint. Additionally, you can use a black mask and add a Generator to create effects like dust or edge wear.
| Characteristics | Values |
|---|---|
| How to use alphas | Add a layer, select an alpha and double click it, or drag it into the alpha slot |
| Alpha settings | New color, emissive, height, and paint |
| Changing settings | Erasing and repainting |
| Mask option | Start with a fill layer, select layers to work with, and create a black mask |
| Alpha import | Drag into Substance Painter, click the button next to the image, and select Alpha |
| Alpha save settings | Current session, project, or shelf |
| Alpha creation | Use Adobe Substance 3D Designer |
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What You'll Learn
Drag and drop your alpha into Substance Painter
To begin working with Substance Painter, you'll need a finished model with UVs. This is so Substance Painter knows where to store the texture data. Once you have your model ready, you can start by adding a fill layer. This will serve as the foundation for your decal or sticker. Right-click on the fill layer and choose "Add Black Mask." This step is crucial as it initially hides the entire fill layer.
Now, let's bring your alpha into Substance Painter. You can simply drag and drop your alpha image file from your computer directly into the Assets panel, which was previously known as the "Shelf." When you release your alpha file, an Import Resources dialog box will appear. Here, you'll specify the import type, selecting whether you want to import the alpha into the current project, into the shelf for future reuse, or as a session asset. For a one-time use, importing into the project is sufficient.
After setting the import type, ensure that the resource type is correctly set. If you're using a decal image for base colour, choose "Texture." On the other hand, if you plan to use it as a brush alpha, select "Alpha." You can also choose a custom folder for better organisation if you're adding it to a shelf or library.
Once your alpha is in Substance Painter, you can proceed to select it and use it with your Fill Layer on your Black Mask. You can adjust various settings, such as colour, emissive, height, and "paint," to customise your alpha further. Additionally, Substance Painter offers a range of generators that can add effects like dust or edge wear to enhance the details of your model.
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Select your preferred save settings
When you drag your alpha into Substance Painter, a popup will appear. Click the button next to your image and select Alpha. You will then be able to select your preferred save settings: Current session, project, or shelf.
The first option, Current Session, will save your alpha for the duration of your current session. This is ideal if you are working on a project that does not require you to return to the alpha at a later time.
The second option, Project, will save your alpha within the project you are working on. This is useful if you are working on a long-term project and need to access the alpha throughout the duration of the project.
The third option, Shelf, will save your alpha to a shelf, making it easily accessible for future use. This is a good option if you plan to use the alpha across multiple projects or if you want to be able to quickly access it without having to search through project files.
Once you have selected your preferred save settings, you can proceed to use your alpha with your Fill Layer on your Black Mask. You can also explore the various generators available to create effects like dust or edgewear. These generators can add extra details to your entire model or just a specific part of it.
Additionally, you can adjust the settings for your alpha, such as colour, emissive, height, and paint. However, keep in mind that if you want to change certain settings later, such as colour or height, you will need to erase and repaint them, as these specific settings cannot be edited directly.
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Use a fill layer and add a black mask
When working with Substance Painter, you can use a fill layer and add a black mask to your alpha to create effects like dust or edgewear. Here's a step-by-step guide on how to do it:
Step 1: Create a Fill Layer
Start by adding a new fill layer to your project. This will serve as the base for your alpha and its effects.
Step 2: Select the Mask Image
In the fill layer, you can choose the mask image you want to work with. Keep in mind that layer masks in Substance Painter function differently from Photoshop. They act as containers for sub-layers that you can insert.
Step 3: Create a Black Mask
With the desired mask image selected, it's time to create a black mask. Simply select the layers you want to work with and apply the black mask. You can adjust the settings as needed, such as colour, emissive, height, and paint, by clicking on the desired areas.
Step 4: Edit Settings and Apply Alpha
The benefit of using a black mask is the flexibility it offers. You can edit the settings after placing the alpha, allowing you to experiment with different ideas. Once you're happy with the settings, select the mask and apply your chosen alpha.
Step 5: Explore Generators
Generators are tools within Substance Painter that can create various effects, such as dust or edgewear. You can add a generator to your fill layer and black mask combination to enhance the details of your model or specific parts of it.
Best Practices and Tips:
- If you're using a smart mask, right-click on it and choose "Create smart mask" to save it for easy reuse on other layers or projects.
- When working with alphas, ensure they have even dimensions, such as 512 x 512 pixels, and only use black and white colours.
- If you need to control opacity, use a black and white mask in Blender to achieve transparency.
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Change your alpha by selecting a new one in Assets > Alphas
To change your alpha by selecting a new one in Assets > Alphas, you can follow these steps:
Firstly, you need to have a finished model with UVs. This is important because it allows Substance Painter to know where to store the texture data. Once you have your model ready, you can go to "File > New" and select your mesh. You will also need to decide on the normal map format, choosing between DirectX and OpenGL.
Now, you can start working on your alpha settings. Substance Painter offers hundreds of alphas by default, and you can change your alpha by going to Assets > Alphas and selecting a new one. Alternatively, you can click on your current Alpha in the Properties panel to make changes. Many alphas come with adjustable parameters, allowing you to create variations.
If you want to create your own custom alpha, you can do so by following these general steps: Start by creating a new file and adjusting the resolution and normal map format as needed. You can then add your exported plane as the 3D asset. Make sure your alpha has even dimensions, such as 512 x 512 pixels. Use black and white colours only, ensuring the outer area is black. You can then import your alpha into Substance Painter by dragging it in, and a popup will appear. Click the button next to your image and select "Alpha". Choose your preferred save settings, such as Current Session, Project, or Shelf.
Additionally, you can add a ""layer", which creates an empty layer. You can then select an alpha and double-click it or drag it into the alpha slot. From here, you can adjust the settings for that alpha, such as colour, emissive, height, and painting options.
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Adjust parameters to create variations
To adjust parameters and create variations in Substance Painter, you can follow these steps:
Firstly, it is important to understand the two main ways to use alphas in Substance Painter. You can either add a "layer" to create an empty layer and then select an alpha, or you can drag and drop your custom alpha directly into the software. The first option provides more flexibility in setting the parameters for the alpha, such as colour, emissive, height, and paint. However, it can be tedious to make changes later on.
If you choose to add a layer, you can adjust the parameters by clicking on the desired effect, such as colour, height, or paint, and then modifying the settings according to your preferences. For example, if you want to change the colour, you can simply select a new colour. To edit the height setting, you may need to erase and repaint the area.
On the other hand, if you choose to drag and drop your custom alpha, a popup will appear prompting you to click the button next to your image and select "Alpha". You can then set your preferred save settings for the alpha. After importing the custom alpha, you can use it directly with your fill layer on your black mask.
Additionally, Substance Painter offers various generators that can be used to create effects like dust or edge wear. Generators provide numerous options to tweak and adjust parameters until you achieve the desired result. You can also apply these effects to specific parts of your model.
Furthermore, to create colour variations, you can utilise the HSL Perceptive filter, which allows you to change the hue. By combining this filter with the generator Position, you can create gradations and achieve different colour variations. To do this, duplicate the base colour layer, add the HSL Perceptive filter, and then adjust the parameters to change the hue.
Substance Painter also provides other filters like Bevel and Blur, which can be used to create additional effects and variations in your work.
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Frequently asked questions
You can turn on alpha properties by selecting a new one in Assets > Alphas or by clicking your current Alpha in the Properties panel.
Alpha properties determine the shape of the brush tip.
There are two ways to use alphas. The first way is to add a "layer", creating an empty layer, and then selecting an alpha to double click it or drag it into the alpha slot. The second way is to use the mask option, where you start with a fill layer and select the layers you want to work with to create a black mask.
The mask option is a better way to try out new ideas and have a non-destructive workflow as you can edit the settings after placing the alpha.
Alpha properties are useful for adding additional details to your model without having to model those in a high poly.
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