Function bloom_to_blender

tools/cycles_reference/render.py:166–175

Convert a Bloom (X, Y_up, Z) vector to Blender's Z-up space. Y-up right-handed (X right, Y up, Z toward viewer) maps to Z-up right-handed (X right, Y into screen, Z up) via: x_b = x_y y_b = -z_y z_b = y_y

(v)

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def bloom_to_blender(v):
    """Convert a Bloom (X, Y_up, Z) vector to Blender's Z-up space.

    Y-up right-handed (X right, Y up, Z toward viewer) maps to Z-up
    right-handed (X right, Y into screen, Z up) via:
        x_b =  x_y
        y_b = -z_y
        z_b =  y_y
    """
    return (v[0], -v[2], v[1])


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