
XPRISM3(ATTRIBUTES)          Khoros           XPRISM3(ATTRIBUTES)

     PLOT TYPE

     Use the "Plot Type" toggle to select the type of plot you
     would like to display.  If only one plot is displayed, that
     plot will be immediately re-displayed as the new plot type.
     If more than one plot is displayed, a list widget will come
     up so that one may select which plot(s) should be changed to
     the new plot type.   If some plots are hidden, those plots
     will not appear in the list widget, as one may only change
     the plot type of a displayed plot, not one that is hidden.

     The following is a list of different plot types:

     3D   3D plots are comprised of a line connecting each value
          along the X axis.  The plot is formed of a series of
          connected lines stacked in the Y direction.

     Scatter
          Scatter plots interpret input as a set of individual
          points, and are displayed as such.

     Impulse
          Impulse plots are formed by extending a line from the
          floor of the 3D plot, which is usually the X-Y plane,
          upward in the Z direction.  The height of each line in
          the plot represents the value at that particular loca-
          tion.

     Mesh Mesh plots are much like 3D plots, but are pictured as
          a surface made up of polygons rather than as a set of
          lines.

     Horizon
          A Horizon plot is a surface plot that is drawn from the
          rear to the front.  This implies that the under surface
          will be filled.

     Surface
          Surface plots are similar to Mesh plots, except the
          surface is colored in, rather than being represented as
          a series of connected lines.

     Contour 3D
          3D Contour plots are similar to 2D Contour plots in
          that the contour lines supply depth information; how-
          ever, the 3D information is not cast onto the XY plane,
          but is left in three dimensions. Again, the different
          contour levels are represented by their colors, but
          depth information is also represented by their position
          in the 3D space. Thus, 3D contour plots are more useful
          for printouts and monochrome workstations, as depth is
          provided by positioning as well as color.

     Contour 2D
          2D Contour plots are a special case, as they take three
          dimensional information but are displayed in a two
          dimensional space. Contour plots cast the information
          onto the XY plane; the contour lines on the XY plane
          supply depth information, as in aerial photography and
          relief maps.  On a color display, the different contour
          levels are represented in different colors, in ROYGBIV
          order (red, orange, yellow, green, blue, indigo,
          violet), where violet represents the smallest depth
          value (Z value) and red represents the largest depth
          value (Z value).  Unfortunately, contour maps loose
          much in the translation to a monochrome machine, as
          there is no way represent depth.

     Color Mesh
          Color Mesh plots are similar in structure to Mesh
          plots, except that the lines making up the mesh are
          colored.  The color is a function of the height of the
          values in the Z direction.

          Copyright 1991, University of New Mexico. All rights
          reserved.

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