While the parameter names are case-insensitive, it is strongly encouraged to be consistent in uppercase usage. Please see the supplied sample configuration files for usage examples. If this parameter is specified, input geometry is supplied in this file, otherwise the standard input is used. For our example it would be equal to 0.01. As a special case this current unit may be made equal to 0 to calculate resistance of a complex configuration in resistive layer.
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Then their intersection points may fall on the two times smaller snap and gridsize should be decreased. Usually it is not necessary. Each boundary is shifted towards center by this value, e.g. , shift 0.25 um means that a microstrip line on chip is 0.5 um narrower than designed. Larger shifts may be taken into account by preprocessing with some mask manipulation program. This also means that two overlapping geometries in the same layer will produce a hole in the corresponding film where they are overlapping.