Name

---

  seerad

Purpose

---

  Display a radial profile at X and Y value of the cursor

Category

---

  Image display

Calling Sequence

---

  seerad, image [, X0, Y0]

Inputs

---

  Image = Array containing values that are displayed. May be
          any type. Rather than pixel values being read from the display
          they are taken from this parameter, avoiding scaling difficulties.

Optional Input Parameters

---

  X0, Y0 = Optional location of lower left corner of image area on
          screen.

Outputs

---

  None.

Common Blocks

---

  None.

Side Effects

---

  The X, Y and value of pixel under the cursor are constantly
    displayed.
  Pressing left or center mouse button, makes a new line of output,
    saving the old and generating a new profile.
  Pressing right mouse button, exits the procedure.

Restrictions

---

  None.

Procedure

---

Modification History

---

  Marc W. Buie, Lowell Observatory, 1992 March 27