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Version 1.9 Build 1556 |
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Package | synthesis | |
Module | synthesistester | |
Tool | imagerpositiontest |
Set the seed used by the random number
generator for creating the simulated components.
Synopsis
set_seed(seed)
Description
Set the seed used by the random number generator for creating the
simulated components. The seed is initially set to the value of time() when the tool is created. However, the user may reset it
before a call to make_default_cl() is made (or before the call to
dotests() which calls this function). In this way, the user can
reproduce the model generated by make_default_cl(), assuming of
course s/he runs on the same machine. Note that if set_sim_parms() is called with docorrupt=T, the seed for the
noise generator must be set during this call for total reproducability
since the simulator tool uses it's own random number generator for
corrupting data.
Arguments
seed
The value to use for seeding the random number
generator
Allowed:
Float
Default:
None (is set initially during tool construction)
Returns
T
Example
- include 'imagerpositiontest.g';
- ipt := imagerpositiontest();
# set up a single field mem that can be repeated by using the same
# random number generator seeds for the ipt tool and it's simulator tool
- ipt.set_sim_parms(docorrupt=1,seed=426);
- ipt.set_seed(-829.76);
- ipt.set_deconvolution_function('mem');
- ipt.set_mem_parms(algorithm='entropy',niter=25,sigma='0.1Jy');
- ipt.dotests();
Next: imagerpositiontest.set_sim_parms - Function
Up: imagerpositiontest - Tool
Previous: imagerpositiontest.set_pimager_numprocs - Function
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2006-10-15