def initialize(options={})
      #defaults
      @color_id = @top_left_cell = @pane = nil
      @right_to_left = @show_formulas = @show_outline_symbols = @show_white_space = @tab_selected = @window_protection = false
      @default_grid_color = @show_grid_lines = @show_row_col_headers = @show_ruler = @show_zeros = true
      @zoom_scale = 100
      @zoom_scale_normal = @zoom_scale_page_layout_view = @zoom_scale_sheet_layout_view = @workbook_view_id = 0
      @selections = {}
      parse_options options
    end
Creates a new {SheetView} object
@option options [Integer] color_id Color Id
@option options [Boolean] default_grid_color Default Grid Color
@option options [Boolean] right_to_left Right To Left
@option options [Boolean] show_formulas Show Formulas
@option options [Boolean] show_grid_lines Show Grid Lines
@option options [Boolean] show_outline_symbols Show Outline Symbols
@option options [Boolean] show_row_col_headers Show Headers
@option options [Boolean] show_ruler Show Ruler
@option options [Boolean] show_white_space Show White Space
@option options [Boolean] show_zeros Show Zero Values
@option options [Boolean] tab_selected Sheet Tab Selected
@option options [String, Cell] top_left_cell Top Left Visible Cell
@option options [Symbol] view View Type
@option options [Boolean] window_protection Window Protection
@option options [Integer] workbook_view_id Workbook View Index
@option options [Integer] zoom_scale
@option options [Integer] zoom_scale_normal Zoom Scale Normal View
@option options [Integer] zoom_scale_page_layout_view Zoom Scale Page Layout View
@option options [Integer] zoom_scale_sheet_layout_view Zoom Scale Page Break Preview