For the plmesh*(), plot3d*() and plsurf3d() functions, don't use the data z value to scale the mesh/surface color, use instead the z axis values set by plw3d().
For the plmesh*(), plot3d*() and plsurf3d() functions, don't use the data z value to scale the mesh/surface color,
use instead the z axis values set by plw3d().

svn path=/trunk/; revision=4779

FreeScienceCommunity/PLPlot,FreeScienceCommunity/PLPlot,FreeScienceCommunity/PLPlot,FreeScienceCommunity/PLPlot,FreeScienceCommunity/PLPlot,FreeScienceCommunity/PLPlot,FreeScienceCommunity/PLPlot,FreeScienceCommunity/PLPlot,FreeScienceCommunity/PLPlot