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Getting Dataset and Zone Dimensions
 Syntax `[nZones, nVars] = tpdims()` `[I,J,K] = tpdims(zone)` See Also tpget , tpput , tpaddzone , tpplottype , tpzonename , tpvarname

Description
Determines the number of zones and variables in a data set and the I, J, and K values of a specified zone. If `tpdims` is called without arguments, the value nZones is the number of zones in the current data set and nVars is the number of variables. If nZones equals 0, the current frame does not have a data set. If called with the argument zone, the value must be an integer scalar greater than 0. The values I, J, and K specify the maximum dimension of the given plane.

Examples
If at the O-Matrix prompt you enter, ```    tpopen    [nZones, nVars] = tpdims    print "nZones = ", nZones, " nVars = ", nVars ``` O-Matrix will respond, ``` nZones =  0  nVars =  0  ``` If you continue the example by entering ```    tpopen([OM_INSTALL,"\example\tecplot\rainfall.plt"])    [nZones, nVars] = tpdims    print "nZones = ", nZones, " nVars = ", nVars    [I, J, K] = tpdims(1) ``` O-Matrix will respond ``` nZones =  5  nVars =  6  IMax =  12  JMax =  1  KMax =  1  ``` ``` ```