zone.condition
Syntax
- f := zone.condition(z,i)
Note
- In the description below, the following correspondence is assumed between 3D and 2D analysis:
3D volumes <-> 2D areas
Get the zone condition number. This is a general value indicating how geometrically well formed the zone is. A value of 1.0 indicates a perfect shape (e.g., a cube in 3D, square or perfect triangle in 2D, etc.) A value of 0.0 indicates an unusable zone.
- Returns:
f - zone condition value
- Arguments:
z - zone pointer
i - index indicating the zone condition measure to use.
if i = 0, the function returns the minimum value among the parameters describes below;
if i = 1, the function returns the measurement of aspect ratio,
zone.condition
(z, 1) =zone.aspect
(z);if i = 2, the function returns the measurement of volume (in 3D) or area (in 2D) ratio;
if i = 3, the function returns the measurement of orthogonality,
zone.condition
(z, 3) =zone.ortho
(z);if i = 4, the function returns the measurement of 2D geometric shape quality (2D ONLY).
Note that if a quadrilateral zone is concave, the value of geometric shape quality is multiplied by -1, and the function returns a negative value (only for this FISH function). Thus, one can use this test to locate concave zones.
See
zone geometry-test
for more explanations.
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