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The quilted pattern was originally designed only to be used as a normal pattern. The quilted pattern is so named because it can create a pattern somewhat like a quilt or a tiled surface. The squares are actually 3-D cubes that are 1 unit in size.

When used as a normal pattern, this pattern uses a specialized normal perturbation function. This means that the pattern cannot be used with normal_map, slope_map or wave type modifiers in a normal statement.

When used as a pigment pattern or texture pattern, the quilted pattern is similar to normal quilted but is not identical as are most normals when compared to pigments.

The two parameters control0 and control1 are used to adjust the curvature of the seam or gouge area between the quilts. The syntax is:

It is specified as

pigment {quilted [QUILTED_MODIFIERS...] }
control0 Value_0 | control Value_1 | PIGMENT_MODIFIERS

The values should generally be kept to around the 0.0 to 1.0 range. The default value is 1.0 if none is specified. Think of this gouge between the tiles in cross-section as a sloped line.

Quilted pattern with c0=0 and different values for c1.

Quilted pattern with c0=0.33 and different values for c1.

Quilted pattern with c0=0.67 and different values for c1.

Quilted pattern with c0=1 and different values for c1.

This straight slope can be made to curve by adjusting the two control values. The control values adjust the slope at the top and bottom of the curve. A control values of 0 at both ends will give a linear slope, as shown above, yielding a hard edge. A control value of 1 at both ends will give an "s" shaped curve, resulting in a softer, more rounded edge.

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