MGMT 1000 Lecture Notes - Lecture 14: The Graphic, Extended Ascii, Pie Chart
MGMT 1000 Tutorial 14 Notes – Numbers of Parameters
Introduction
• Each line contains a function, with a number of parameters that provide the specific
details for the function.
• The parameters precede the function call.
• Text following the % symbols is comments.
• The first line contains a translate function that moves the X, Y origin to the center of the
page.
• The parameters for this function, 288 and 396, represent the X and Y distances moved in
points.
• Note that 288/72 = 4 inches in X and 396/72 = 5 inches in Y.
• Each circle is created with an arc function.
• The parameters for the arc function are X origin and Y origin for the arc, radius, and
starting and finishing angle in degrees.
• 0 to 360 produces a full circle.
• You should be able to follow the remainder of the program on your own.
• Note that the statements are interpreted in sequence: the second, gray circle is layered
on top of the first.
• Arguably, the most important feature in PostScript is the inclusion of scalable font
support for the display of text. Font outline objects are specified in the same way as
other objects.
• Each font contains an object for each printable character in the extended ASCII
character set.
• PostScript includes objects for thirty-five standard fonts representing eight font families,
plus two symbol fonts, and others can be added.
• Unicode fonts are also available.
• Fonts can be manipulated like other objects.
• Text and graphics can be intermixed in an image.
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