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Package pixels (in pixels.i) -

Index of documented functions or symbols:


DOCUMENT pixels, z
      or pixels, z, dx0, dy0
  plots the image Z as a cell array -- an array of equal rectangular
  cells colored according to the 2-D array Z.  The first dimension
  of Z is plotted along x, the second dimension is along y.
  If Z is of type char, it is used "as is", otherwise it is linearly
  scaled to fill the current palette, as with the bytscl function.
  (See the bytscl function for explanation of top, cmin, cmax.)

  The image is placed in "coordinate system zero"; that is, outside
  Yorick's ordinary coordinate system, so zooming and coordinate
  system changes will not effect it.  Unlike pli, Yorick attempts
  to make each X pixel correspond to one cell of the Z array.
  In order to do this, the pix_dpi variable must be set to the
  dots-per-inch (either 75 or 100) of the X window in which the
  result of pixels will be displayed (see the dpi keyword of the
  window command).

  The default position of the upper left hand corner of the picture
  is specified by the pix_origin variable.  If DX0 and/or DY0 are
  present, they adjust this origin for this image.  The units of
  DX0 and DY0 are in pixels; DY0 is positive downwards.  (However,
  the 2nd index of the image increases upwards.)  Resizing the X
  window will probably necessitate changing pix_origin.

  The following keywords are legal (each has a separate help entry):
KEYWORDS: top, cmin, cmax

SEE ALSO: pix_window, window, palette, bytscl, histeq_scale, pix_dpi, pix_origin


DOCUMENT pix_dpi= 75
      or pix_dpi= 100
  set the number of dots per inch for the pixels function.
  X displays are either 75 dpi (default) or 100 dpi in Yorick.
  The pix_dpi number must match the dpi of the window in which
  the pixels command is to be issued; the other number will
  result in blurred images.

SEE ALSO: pixels, pix_window, window


DOCUMENT pix_origin= [0.12,0.91]
  set [x,y] for the default upper left hand corner of the pixels
  image.  The default value is shown.  [0,0] is the lower left of
  an 8.5-by-11 sheet of paper.  Yorick units are 0.0013/point or
  0.0013*72.27/inch (11 inches is a little more than 1.0);  Yorick
  keeps the "middle" of an 8.5-by-11 sheet centered in the visible
  part of its X windows, so you might want to change the default
  pix_origin if you resize the Yorick window.

SEE ALSO: pixels, window


DOCUMENT pix_window, dpi
      or pix_window, dpi, n
  create a new window for the pixels command with the given DPI
  (dots per inch).  If N is specified, the new window will be
  number N (0-7).  Also sets the pix_dpi variable appropriately.

  pix_window, 75           // makes a small window
  pix_window, 100          // makes a large window

SEE ALSO: pix_dpi, pixels, window