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<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML//EN">
<html><head><title>GF Quickstart</title></head>
<body bgcolor="#ffffff" text="#000000">
<center>
<img src="gf-logo.gif">
<p>
Aarne Ranta
<p>
20 May, 2005
<p>
<h1>Grammatical Framework Quick Start</h1>
</center>
This Quick Start shows two examples of how GF can be used.
We assume that you have downloaded and installed GF, so that
the command <tt>gf</tt> works for you.
<h2>Translation and generation</h2>
When you have downloaded and installed GF:
<ol>
<li> Copy the files
<a href="tutorial/old/Paleolithic.gf"><tt>Paleolithic.gf</tt></a>,
<a href="tutorial/old/PaleolithicEng.gf"><tt>PaleolithicEng.gf</tt></a>, and
<a href="tutorial/old/PaleolithicIta.gf"><tt>PaleolithicIta.gf</tt></a>.
<li> Start GF with the command
<pre>
gf PaleolithicIta.gf PaleolithicEng.gf
</pre>
<li> <b>Translation</b>. Try your first translation by giving the GF command
<pre>
t PaleolithicEng PaleolithicIta "the boy eats the snake"
</pre>
<li> <b>Generation</b>. Random-generate sentences in two languages:
<pre>
gr | l -multi
</pre>
<li> <b>Grammar development</b>. Add words to the <tt>Paleolithic</tt>
grammars and try the above commands again. For instance, add the following lines:
<pre>
Black : A ; -- in Paleolithic.gf
Black = {s = "black"} ; -- in PaleolithicEng.gf
Black = {s = "nero"} ; -- in PaleolithicIta.gf
</pre>
and start GF again with the same command. Now you can even translate
<i>the boy eats the black snake</i>.
</ol>
To lear more on GF commands and
grammar development, go to the
<a href="tutorial/gf-tutorial2.html">New Grammarian's Tutorial</a>.
<h2>Multilingual authoring</h2>
This demo also requires the GUI package, which makes the command
<tt>jgf</tt> work for you.
<ol>
<li> Download the file <a href="../examples/letter/Letter.gfcm"><tt>Letter.gfcm</tt></a>.
<li> Start the GF editor by the command
<pre>
jgf Letter.gfcm
</pre>
<li> When the editor window is open, select "Letter" from the "New" menu.
<li> Push the button "Random" in the lower end of the window.
<li> Move the pointer to some place in the text, e.g. to the first word (in any
of the languages), and click. The first word should now be highlighted and
a number of alternatives appear in the lower window part (a similar situation
is shown in the picture below).
<li> Double-click at some of the alternatives marked "ch ..." and observe how
the text changes in each of the languages.
</ol>
See the <a href="../../GF2.0/doc/javaGUImanual/javaGUImanual.htm">Editor User Manual</a>
for more information on how to use the
editor. To change the grammars, you should not edit <tt>Letter.gfcm</tt>,
which is low-level code generated by the GF grammar compiler. Instead, you
can edit the files in <tt>examples/letter</tt> in the GF grammar package,
and compile by using the script <tt>mkLetter.gfs</tt> in the same package.
<p>
<img src="quick-editor.gif">
</body></html>
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