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<HR NOSHADE>
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<H2><A NAME="10_7">10.7 Gantt bars</A></H2>
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<P> The most common of all object in a Gantt chart is of course the
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activity bar (GanttBar()). In terms of formatting this object has a
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very large flexibility. The full signature for the GanttBar constructor
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is<DIV class="phpscript"><CODE><FONT color="#000000"> <FONT color="#0000BB">
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</FONT><FONT color="#007700">function </FONT><FONT color="#0000BB">
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GanttBar</FONT><FONT color="#007700">(</FONT><FONT color="#0000BB">
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$aVPos</FONT><FONT color="#007700">,</FONT><FONT color="#0000BB">$aTitle</FONT><FONT
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color="#007700">,</FONT><FONT color="#0000BB">$aStart</FONT><FONT color="#007700">
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,</FONT><FONT color="#0000BB">$aEnd</FONT><FONT color="#007700">,</FONT><FONT
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color="#0000BB">$aCaption</FONT><FONT color="#007700">,</FONT><FONT color="#0000BB">
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$aHeight</FONT><FONT color="#007700">)</FONT><FONT color="#0000BB"></FONT>
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</FONT></CODE></DIV></P>
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<P></P>
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<P></P>
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<TABLE border="0">
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<TR><TD valign="top">
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<!--span style="font-family:times;font-size:85%;font-weight:bold;"-->
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<CODE><FONT color="#000000"> <FONT color="#0000BB"> $aVPos </FONT></FONT>
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</CODE></TD><TD valign="top"> </TD><TD>The vertical position for the
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bar, [0..n]</TD></TR>
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<TR><TD valign="top">
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<!--span style="font-family:times;font-size:85%;font-weight:bold;"-->
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<CODE><FONT color="#000000"> <FONT color="#0000BB"> $aTitle </FONT></FONT>
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</CODE></TD><TD valign="top"> </TD><TD>Title for the activity</TD></TR>
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<TR><TD valign="top">
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<!--span style="font-family:times;font-size:85%;font-weight:bold;"-->
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<CODE><FONT color="#000000"> <FONT color="#0000BB"> $aStart </FONT></FONT>
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</CODE></TD><TD valign="top"> </TD><TD>Start date for the activity given
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as string, e.g "2001-09-22"</TD></TR>
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<TR><TD valign="top">
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<!--span style="font-family:times;font-size:85%;font-weight:bold;"-->
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<CODE><FONT color="#000000"> <FONT color="#0000BB"> $aEnd </FONT></FONT></CODE>
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</TD><TD valign="top"> </TD><TD>End date for activity given as<B> either</B>
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a date (a string) or as the duration (in days) of the activity, e.g
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both "2001-10-15" and 20.5 are valid inputs</TD></TR>
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<TR><TD valign="top">
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<!--span style="font-family:times;font-size:85%;font-weight:bold;"-->
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<CODE><FONT color="#000000"> <FONT color="#0000BB"> $aCaption </FONT></FONT>
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</CODE></TD><TD valign="top"> </TD><TD>Text string (caption) to appear
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at the end (right side) of the bar</TD></TR>
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<TR><TD valign="top">
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<!--span style="font-family:times;font-size:85%;font-weight:bold;"-->
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<CODE><FONT color="#000000"> <FONT color="#0000BB"> $aHeight </FONT></FONT>
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</CODE></TD><TD valign="top"> </TD><TD>Height of bar given as<B> either</B>
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a value in range [0,1] in which case this is interpretated as what
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fraction of the vertical position should the bar occupy. The height can
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also be given in absolute pixels [1..200]</TD></TR>
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</TABLE>
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