# File vtk/util/misc.rb, line 4
def vtkGetDataRoot
    dataIndex=-1;
    for i in 0..ARGV.length
        if ARGV[i] == '-D' && i < ARGV.length-1:
            dataIndex = i+1
        end
    end

    if dataIndex != -1
        dataRoot = ARGV[dataIndex]
    else
        unless dataRoot = ENV['VTK_DATA_ROOT']
            dataRoot = '../../../../VTKData'
        end
    end

    return dataRoot
end