56 |
* The return value is 1/l where l would be a reasonable length for dicing. |
* The return value is 1/l where l would be a reasonable length for dicing. |
57 |
* Returns 0 if dicing is required. |
* Returns 0 if dicing is required. |
58 |
*/ |
*/ |
59 |
virtual float nonlinearity(const ZPt &p, float radius) { return 0; } |
virtual float nonlinearity(const ZPt &p, float radius) { |
60 |
|
return super->nonlinearity(transform(p), radius); |
61 |
|
} |
62 |
|
|
63 |
/** Whether this transformation can be performed by OpenGL |
/** Whether this transformation can be performed by OpenGL |
64 |
* alone. |
* alone. |