29.11.2012 Views

MetaFun - Pragma ADE

MetaFun - Pragma ADE

MetaFun - Pragma ADE

SHOW MORE
SHOW LESS

You also want an ePaper? Increase the reach of your titles

YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.

\Topic {Edward R. Tufte} \input tufte \page<br />

\Topic {Hermann Zapf} \input zapf \page<br />

\stoptext<br />

We will not implement the two other alternative shapes: squeezed and randomized.<br />

A Few Nice Quotes<br />

A Simple Style Demo<br />

Hans Hagen, August 2000<br />

A Few Nice Quotes<br />

A Simple Style Demo<br />

Hans Hagen, August 2000<br />

Douglas R.<br />

Hofstadter<br />

Donald<br />

E. Knuth<br />

Edward<br />

R. Tufte<br />

Hermann<br />

Zapf<br />

close<br />

Douglas R. Hofstadter<br />

Donald Knuth has spent the past several years working on a system allowing<br />

him to control many aspects of the design of his forthcoming books.from the<br />

typesetting and layout down to the very shapes of the letters! Seldom has an<br />

author had anything remotely like this power to control the final appearance of<br />

his or her work. Knuth's TEX typesetting system has become well-known and<br />

available in many countries around the world. By contrast, his METAFONT<br />

system for designing families of typefaces has not become as well known or<br />

available.<br />

In his article “The Concept of a Meta-Font”, Knuth sets forth for the first time<br />

the underlying philosophy of METAFONT, as well as some of its products. Not<br />

only is the concept exiting and clearly well executed, but in my opinion the<br />

article is charmingly written as well. However, despite my overall enthusiasm<br />

for Knuth's idea and article, there are some points in it that I feel might be<br />

taken wrongly by many readers, and since they are points that touch close to my<br />

deepest interests in artificial intelligence and esthetic theory, I felt compelled<br />

to make some comments to clarify certain important issues raised by “The<br />

Concept of a Meta-Font”.<br />

Douglas R.<br />

Hofstadter<br />

Donald<br />

E. Knuth<br />

Edward<br />

R. Tufte<br />

Hermann<br />

Zapf<br />

close<br />

Donald E. Knuth<br />

Thus, I came to the conclusion that the designer of a new system must not<br />

only be the implementer and first large--scale user; the designer should also<br />

write the first user manual.<br />

The separation of any of these four components would have hurt TEX significantly.<br />

If I had not participated fully in all these activities, literally hundreds<br />

of improvements would never have been made, because I would never have<br />

thought of them or perceived why they were important.<br />

But a system cannot be successful if it is too strongly influenced by a single<br />

person. Once the initial design is complete and fairly robust, the real test begins<br />

as people with many different viewpoints undertake their own experiments.<br />

Douglas R.<br />

Hofstadter<br />

Donald<br />

E. Knuth<br />

Edward<br />

R. Tufte<br />

Hermann<br />

Zapf<br />

Adaptive buttons Defining styles<br />

close<br />

Edward R. Tufte<br />

We thrive in information--thick worlds because of our marvelous and everyday<br />

capacity to select, edit, single out, structure, highlight, group, pair, merge,<br />

harmonize, synthesize, focus, organize, condense, reduce, boil down, choose,<br />

categorize, catalog, classify, list, abstract, scan, look into, idealize, isolate,<br />

discriminate, distinguish, screen, pigeonhole, pick over, sort, integrate, blend,<br />

inspect, filter, lump, skip, smooth, chunk, average, approximate, cluster, aggregate,<br />

outline, summarize, itemize, review, dip into, flip through, browse,<br />

glance into, leaf through, skim, refine, enumerate, glean, synopsize, winnow<br />

the wheat from the chaff and separate the sheep from the goats.<br />

Douglas R.<br />

Hofstadter<br />

Donald<br />

E. Knuth<br />

Edward<br />

R. Tufte<br />

Hermann<br />

Zapf<br />

close<br />

Hermann Zapf<br />

Coming back to the use of typefaces in electronic publishing: many of the<br />

new typographers receive their knowledge and information about the rules of<br />

typography from books, from computer magazines or the instruction manuals<br />

which they get with the purchase of a PC or software. There is not so much<br />

basic instruction, as of now, as there was in the old days, showing the differences<br />

between good and bad typographic design. Many people are just fascinated by<br />

their PC's tricks, and think that a widely--praised program, called up on the<br />

screen, will make everything automatic from now on.<br />

page 1 page 2 page 3 page 4 page 5<br />

Douglas R.<br />

Hofstadter<br />

Donald<br />

E. Knuth<br />

Edward<br />

R. Tufte<br />

Hermann<br />

Zapf<br />

close<br />

Douglas R. Hofstadter<br />

Donald Knuth has spent the past several years working on a system allowing<br />

him to control many aspects of the design of his forthcoming books.from the<br />

typesetting and layout down to the very shapes of the letters! Seldom has an<br />

author had anything remotely like this power to control the final appearance of<br />

his or her work. Knuth's TEX typesetting system has become well-known and<br />

available in many countries around the world. By contrast, his METAFONT<br />

system for designing families of typefaces has not become as well known or<br />

available.<br />

In his article “The Concept of a Meta-Font”, Knuth sets forth for the first time<br />

the underlying philosophy of METAFONT, as well as some of its products. Not<br />

only is the concept exiting and clearly well executed, but in my opinion the<br />

article is charmingly written as well. However, despite my overall enthusiasm<br />

for Knuth's idea and article, there are some points in it that I feel might be<br />

taken wrongly by many readers, and since they are points that touch close to my<br />

deepest interests in artificial intelligence and esthetic theory, I felt compelled<br />

to make some comments to clarify certain important issues raised by “The<br />

Concept of a Meta-Font”.<br />

Douglas R.<br />

Hofstadter<br />

Donald<br />

E. Knuth<br />

Edward<br />

R. Tufte<br />

Hermann<br />

Zapf<br />

close<br />

Donald E. Knuth<br />

Thus, I came to the conclusion that the designer of a new system must not<br />

only be the implementer and first large--scale user; the designer should also<br />

write the first user manual.<br />

The separation of any of these four components would have hurt TEX significantly.<br />

If I had not participated fully in all these activities, literally hundreds<br />

of improvements would never have been made, because I would never have<br />

thought of them or perceived why they were important.<br />

But a system cannot be successful if it is too strongly influenced by a single<br />

person. Once the initial design is complete and fairly robust, the real test begins<br />

as people with many different viewpoints undertake their own experiments.<br />

Douglas R.<br />

Hofstadter<br />

Donald<br />

E. Knuth<br />

Edward<br />

R. Tufte<br />

Hermann<br />

Zapf<br />

close<br />

Edward R. Tufte<br />

We thrive in information--thick worlds because of our marvelous and everyday<br />

capacity to select, edit, single out, structure, highlight, group, pair, merge,<br />

harmonize, synthesize, focus, organize, condense, reduce, boil down, choose,<br />

categorize, catalog, classify, list, abstract, scan, look into, idealize, isolate,<br />

discriminate, distinguish, screen, pigeonhole, pick over, sort, integrate, blend,<br />

inspect, filter, lump, skip, smooth, chunk, average, approximate, cluster, aggregate,<br />

outline, summarize, itemize, review, dip into, flip through, browse,<br />

glance into, leaf through, skim, refine, enumerate, glean, synopsize, winnow<br />

the wheat from the chaff and separate the sheep from the goats.<br />

Douglas R.<br />

Hofstadter<br />

Donald<br />

E. Knuth<br />

Edward<br />

R. Tufte<br />

Hermann<br />

Zapf<br />

close<br />

Hermann Zapf<br />

Coming back to the use of typefaces in electronic publishing: many of the<br />

new typographers receive their knowledge and information about the rules of<br />

typography from books, from computer magazines or the instruction manuals<br />

which they get with the purchase of a PC or software. There is not so much<br />

basic instruction, as of now, as there was in the old days, showing the differences<br />

between good and bad typographic design. Many people are just fascinated by<br />

their PC's tricks, and think that a widely--praised program, called up on the<br />

screen, will make everything automatic from now on.<br />

page 1 page 2 page 3 page 4 page 5<br />

We combine all alternatives into one page graphic. The alternative is chosen by setting the<br />

alternative variable, as we demonstrated in the example.<br />

\startuseMPgraphic{page}<br />

\includeMPgraphic{rightsuperbutton}<br />

StartPage ;<br />

numeric alternative, seed, superness, squeezeness, randomness ;<br />

path p, q ; transform t ;<br />

This is one of those cases where a transform variable is useful. We need to store the random seed<br />

value because we want the larger path that is used in the calculations to have the same shape.<br />

alternative := \MPvar{alternative} ;<br />

seed := uniformdeviate 100 ;<br />

if alternative > 10 :<br />

superness := .85 + ((\realfolio-1)/\lastpage) * .25 ;<br />

squeezeness := 12pt - ((\realfolio-1)/\lastpage) * 10pt ;<br />

else :<br />

superness := .90 ;<br />

squeezeness := 12pt ;<br />

fi ;<br />

randomness := squeezeness ;<br />

Douglas R.<br />

Hofstadter<br />

Donald<br />

E. Knuth<br />

Edward<br />

R. Tufte<br />

Hermann<br />

Zapf<br />

close<br />

Douglas R.<br />

Hofstadter<br />

Donald<br />

E. Knuth<br />

Edward<br />

R. Tufte<br />

Hermann<br />

Zapf<br />

close<br />

267

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!