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===== Running the computation ===== | ===== Running the computation ===== | ||
+ | |||
+ | <code> | ||
+ | VERBOSE | ||
+ | integer | ||
+ | </code> | ||
+ | |||
+ | - sets verbosity level. Below 3 this means not many messages and should be used for normal work. Above 3 this means a lot of details of every individual ray. Value of 10 means also debugging data for each ray and no intensity decay in output field data. Default value is 0. | ||
<code> | <code> | ||
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- sets the local averaging radius for local plane (surface normal) evaluation. Default value is 2. This option is not used if a minimal inteface method is used. Note that for very small incident angles averaging might be problematic (see also Interface method). | - sets the local averaging radius for local plane (surface normal) evaluation. Default value is 2. This option is not used if a minimal inteface method is used. Note that for very small incident angles averaging might be problematic (see also Interface method). | ||
- | <code> | ||
- | INTERFACE_METHOD | ||
- | integer | ||
- | </code> | ||
- | - sets the surface/interface normal calculation method, 0 - simple weighing, 1 - RS, 2 - gradient based, 3 - minimal (single voxel). Simple weighting gives slightly wrong angles and should not be used, RS method provides local plane fitting, gradient method is an approximate method using gradient of material within the sample, minimal method only looks to adjacent voxels and therefore can only produce normals of individual voxel faces. All the averaging based methods may fail at large angles hitting edges of objects (where real staircased object normal is too much different from averaged one); if it fails algorithm automatically uses the minimal method for the particular reflection/transmission. Default value is 2. | ||
<code> | <code> | ||
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{{ :centerednotcentered.png?400 |}} | {{ :centerednotcentered.png?400 |}} | ||
- | {{ :normals.png?400 |}} | + |