Notes on PSD creation

(Updated 02/10/2022)

This section explains how to create PSDs that can be used in the Cubism Editor and what to look out for.
Please check this page before creating PSDs or if they do not load properly upon import.

Please refer to the “About Separating Materials” page for the procedure of separating illustrations into parts such as eyelashes, eyeballs, and outlines.

Please refer to the “How to Create Import PSDs” page for the process of creating import PSDs.

 

Image editing applications that are guaranteed to work

The following two image editing applications have been confirmed to load PSDs correctly in Cubism Editor.

• Adobe Photoshop
• Celsys CLIP STUDIO PAINT

PSDs created with applications other than those listed above may not load properly.

 

Notes on PSD creation

The following conditions must be met for a PSD to be imported correctly in the Cubism Editor.

• Save format must be [PSD].
• Color mode must be [RGB].
• The color channel setting should be [8bit/channel].

If even one of these conditions is not met, import cannot be performed.
Please also note the following when saving PSDs for import.

• Set the color profile to [sRGB].
• Check for layers with the same name.
• Layer attributes after merging should be “Normal” or “Multiply”.
• Merging line drawings and clipping masks
• Do not use layer masks
• [Opacity] settings in PSD are also reflected in the Cubism Editor, but [Fill] is output at 100%.

POINT
The use of the above functions is not a problem during the illustration production phase.

Each is described in detail in the following sections.

 

About saving format

Only [PSD format] image data can be loaded in Cubism Editor.
Be sure to save the image data used as the model in PSD format.

POINT
As an exception, images in PNG format can be loaded.
This is an image format that can be used as a rough sketch for modeling or as a background for animation.
Textures can also be replaced (beta function) using PNG images exported from the Texture Atlas.

For details on texture replacement (beta function), please see “Exporting and Replacing PNG Files (beta)”.

 

About Color Mode

The only color mode for PSDs that can be loaded in Cubism Editor is [RGB].
Color modes other than RGB, such as [Grayscale] and [CMYK], cannot be imported.

How to convert color mode

In Photoshop, select [Image] menu -> [Mode] -> [RGB Color].

 

About Color Channel Settings

The only color channel for PSDs that can be imported by Cubism Editor is [8bit/channel].
Color channels other than 8bit/channel, such as [16bit/channel] and [32bit/channel], cannot be imported.

How to convert color channels

In Photoshop, select [Image] menu -> [Mode] -> [8bit/channel].

 

About Color Profiles

If a color profile other than sRGB is set for the PSD during “PSD Import”, the color may change to an unintended color.
Therefore, PSDs with profiles set to other than sRGB must have their color profile converted to sRGB in Photoshop.

How to convert color profiles

In Photoshop, select [Edit] menu -> [Profile Conversion (V)].
(* Caution: (This is not a “profile specification.”)

In CLIP STUDIO PAINT, select [View] menu -> [Color Profile] -> [Preview Settings].

If the “Source Color Space” is sRGB (with IEC61966-2.1, etc.),
cancel the conversion since the image is originally in sRGB and conversion is not necessary..

If “Source Color Space” was set to other than sRGB, set “Color Space After Conversion” to sRGB.

Normally, the standard settings are fine, but
if the color changes significantly when the preview is checked on or off, please change the conversion option settings.

For a detailed explanation of conversion options, please refer to Adobe Corporation's Photoshop manual.

Check for layers with the same name

Basically, the same layer name can be imported into Cubism Editor, but the same layer name can cause confusion, which can lead to problems later on.
To avoid such problems, all the layers should be named differently in the material separation PSD stage.

 

Layer attribute after merging should be “Normal” or “Multiply”

In the importing PSD, set all layer attributes to “Normal” or “Multiply”.
Layer attributes other than “Normal” or “Multiply” may result in unintended color changes upon loading.

TIPS
Layer attributes can be set on the Cubism Editor.
After importing, select the ArtMesh you wish to change and set the [Inspector] palette -> [Blend Mode].

• Normal
• Multiply * If the PSD is set to multiply, it will be automatically set to multiply when imported into the Cubism Editor.
• Additive

These three types can be set.

 

[Opacity] is set in the PSD and the percentage is reflected in the Cubism Editor, but [Fill] is set at 100%.

If [Opacity] is set to 50% in the PSD, the opacity will be set to 50% when imported into the Cubism Editor.
[Fill] is not reproduced in the Cubism Editor, so even if it is set to [50%], etc., it will be set to 100% in the Cubism Editor.
For cheek dyeing, for example, where the density needs to be adjusted, it is recommended to use [Opacity] instead of [Fill] to set the opacity.

TIPS
Opacity can also be set on the Cubism Editor.
After importing, select the ArtMesh you wish to change, then select the [Inspector] palette -> [Opacity] setting.

 

Combine line drawings and clipping masks

The importing PSD places one part on one layer.
Combine all line drawings, fills, filter effects, clipping masks, etc. for each part into a single layer.
If you want to separate line drawings, shadows, etc., use one layer per part.

 

No layer mask

If the PSD to be imported still has layer masks, execute “Apply Layer Mask” to combine them into one layer.

 

Check to see if path information is included

If path information is included in a PSD created with Photoshop CC2019 or later versions, it may not import into the Cubism Editor.
If path information is included, it should be deleted before merging.

 

If the ArtMesh has edges around it using “tracking software”, etc.

In some cases, a line-like object is drawn on the edge of the ArtMesh when checked by tracking software.
* The image is drawn without any problem on the editor.

Please try blurring the edges of the ArtMesh as shown below, as this may improve the result.

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