159
ADOBE FRAMEMAKER 7.0
Classroom in a Book
4
Enter
12
in the Page Number text box and click Go. Page 12 of the document appears.
5
Choose View > Text Symbols to display the text symbols.
6
Click at the end of the paragraph just above the heading
Screen ruling
.
7
Choose Table > Insert Table. Or right-click (Windows and UNIX) or Control-click
(Mac OS) to display a context menu for tables.
Like paragraph and character formats, table formats are stored in a catalog (the
Table
Catalog
). However, unlike the Paragraph Catalog and the Character Catalog, the Table
Catalog appears in the scroll list in the Insert Table dialog box rather than in a palette.
C o l o r a n d C o m m e r c i a l P r i n t i n g : S c r e e n r u l i n g
12
displayed–to show more detail in the image. A low-res-
olution image doesn't have as much data to render the
same level of detail.
Image resolutions of 72 ppi and 300 ppi.
A higher bitmap image resolution doesn't always pro-
duce a better printed image. A bitmap image may con-
tain more data than an output device can represent;
therefore it is important to determine the appropriate
bitmap image resolution to achieve the best printed
results. If the image resolution is too high for an output
device, it will take a long time to image; if the image res-
olution is too low, the quality of the output will be poor.
Screen ruling
Screen ruling, also known as screen frequency or
halftone frequency, refers to the number of rows or lines
of dots used to render an image on film or paper.
Screen ruling is measured in lines per inch (lpi). The
relationship between the output resolution (dpi) and the
screen ruling (lpi) determines how fine or coarse a bit-
map image appears on the printed output.
The screen ruling used to image film for a job
depends on the resolution of the imagesetter, and the
device, it will take a long time to image; if the image res-
olution is too low, the quality of the output will be poor.
Screen ruling
Screen ruling, also known as screen frequency or
halftone frequency, refers to the number of rows or lines