Set placeholder in WTAQ parameter setting

Set placeholder for parameter value in WTAQ parameter setting

Usage

ucSetPlaceholder(parname, wtaqConfiguration, pchar = "@")

parname: Parameter name. Must be one of the aquifer parameters "bb", "hkr", "hkz", "ss", "sy" (for description see wtConfigureAquifer) or one of the drainage parameters "acc", "akk", "amm", "axmm" (for description see wtConfigureDrainage; parameter "alpha" currently not supported) or one of the pumpwell parameters "qq", "rw", "rc", "zpd", "zpl", "sw" (for description see wtConfigurePumpwell) or one of the observation well parameters "r_i", "z1_i", "z2_i", "zp_i", "rp_i", "xll_i" (for description see wtConfigureObservationWell) where "i" is the number of the observation well according to the list index in the "obswell" section of the parameter setting.
wtaqConfiguration: WTAQ parameter setting as created by means of wtConfigure
pchar: character to be used as the very first and very last character of the placeholder. Default: “@”

Parameter setting in which a parameter value is replaced by an appropriate placeholder