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Defining warp and weft expressions

(Windows only)

The warp and weft expressions use the information in the tie-up to extend and evolve the weave into larger, more complex patterns. For more information, see Designing the tie-up.

Warp and weft expressions in traditional weaving

In traditional weaving, the warp expression represents the threading sequence, in other words, it describes which warp threads are connected to which harnesses. The weft expression is the treadling sequence that determines which treadle is pressed (and therefore which harnesses are raised) for each successive weft thread.

The following table describes which warp threads are connected to which harnesses for the warp sequence 234123:

 

The threading sequence above, 234123, has a length of 6, which indicates that the pattern runs for 6 threads before repeating.

The following table describes which treadle is pressed (and therefore which harnesses are raised) for each successive weft thread for the weft sequence 654:

 

Warp and weft expressions in Corel Painter

In Corel Painter, you need to use the weave pattern expression language to generate a weave. You may find working with the pattern expression language more logical than working with very complex expanded sequences. For more information see, Reference: Expression operators.

The following table includes an example of a traditional pattern expression expressed in the Corel Painter pattern language.

 

To define a warp or weft expression Back to Top

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If you want to copy the Warp expression to the Weft expression, click the Tromp as Writ (pattern) button.


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