Corel Painter X3 Win/Mac, EDU, EN User's Guide download pdf (Page 760)

In this tie-up, alternate black cells that are positioned in the fourth row and

column instruct the warp thread (white) to be placed in front of the weft thread

(black). Notice that the addition of the black cells in the fourth row and

column produces a checkerboard effect.

To modify the tie-up

•In the Edit Weave dialog box, click a cell in the grid.

If you click a white cell, the cell changes to black, which places the warp thread in

front of the weft.

If you click a black cell, the cell changes to white, which places the weft thread in

front of the warp.

Reference: Expression operators

You need to learn how to use the weaving pattern language expression operators to

effectively draft a weave pattern.

The Weaving Pattern Expression Language is designed around a group of values, called

the domain of the pattern. For the warp or weft sequences, the domain is made up of

the numbers 1 through 8, which correspond to the harnesses and treadles in the tie-up.

Corel Painter X3 Win/Mac, EDU, EN User's Guide Page 760