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1 <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" "http://www.w3.org/TR/REC-html40/loose.dtd"> 2 <HTML> 3 <HEAD> 4 <META HTTP-EQUIV="Content-Type" CONTENT="text/html; CHARSET=iso-iso-8859-1"> 5 <LINK REL="Start" HREF="index.html"> 6 <LINK REL="Contents" HREF="toc.html"> 7 <LINK REL="Prev" HREF="1073Milestones.html"> 8 <LINK REL="Next" HREF="1075Addingmarkerstoaganttbar.html"> 9 <STYLE TYPE="text/css"><!-- 10 BODY { font-family: serif } 11 H1 { font-family: sans-serif } 12 H2 { font-family: sans-serif } 13 H3 { font-family: sans-serif } 14 H4 { font-family: sans-serif } 15 H5 { font-family: sans-serif } 16 H6 { font-family: sans-serif } 17 SUB { font-size: smaller } 18 SUP { font-size: smaller } 19 PRE { font-family: monospace } 20 A { text-decoration: none } 21 --></STYLE> 22 </HEAD> 23 <BODY> 24 <A HREF="toc.html">Contents</A> 25 <A HREF="1073Milestones.html">Previous</A> 26 <A HREF="1075Addingmarkerstoaganttbar.html">Next</A> 27 <HR NOSHADE> 28 <H3><A NAME="10_7_4">10.7.4 Vertical line</A></H3> 29 <P> The final object you may add to a Gantt chart is simple, but quite 30 useful, a straight vertical line extending over the whole plot height. 31 This could for example be used to illustrate different phases in a 32 project. You create a line object by a call to GanttVLine()</P> 33 <P> The full signature for GanttVLine() is<DIV class="phpscript"><CODE><FONT 34 color="#000000"> <FONT color="#0000BB"> </FONT><FONT color="#007700"> 35 function </FONT><FONT color="#0000BB">GanttVLine</FONT><FONT color="#007700"> 36 (</FONT><FONT color="#0000BB">$aDate</FONT><FONT color="#007700">,</FONT><FONT 37 color="#0000BB">$aTitle</FONT><FONT color="#007700">,</FONT><FONT color="#0000BB"> 38 $aColor</FONT><FONT color="#007700">,</FONT><FONT color="#0000BB"> 39 $aWeight</FONT><FONT color="#007700">,</FONT><FONT color="#0000BB"> 40 $aStyle</FONT><FONT color="#007700">)</FONT><FONT color="#0000BB"></FONT> 41 </FONT></CODE></DIV></P> 42 <P></P> 43 <P></P> 44 <TABLE border="0"> 45 <TR><TD valign="top"> 46 <!--span style="font-family:times;font-size:85%;font-weight:bold;"--> 47 <CODE><FONT color="#000000"> <FONT color="#0000BB"> $aDate </FONT></FONT> 48 </CODE></TD><TD valign="top"> </TD><TD>Date for the milestone</TD></TR> 49 <TR><TD valign="top"> 50 <!--span style="font-family:times;font-size:85%;font-weight:bold;"--> 51 <CODE><FONT color="#000000"> <FONT color="#0000BB"> $aTitle </FONT></FONT> 52 </CODE></TD><TD valign="top"> </TD><TD>Title for the line. The title is 53 displayed at the bottom of the line</TD></TR> 54 <TR><TD valign="top"> 55 <!--span style="font-family:times;font-size:85%;font-weight:bold;"--> 56 <CODE><FONT color="#000000"> <FONT color="#0000BB"> $aColor </FONT></FONT> 57 </CODE></TD><TD valign="top"> </TD><TD>Color for the line</TD></TR> 58 <TR><TD valign="top"> 59 <!--span style="font-family:times;font-size:85%;font-weight:bold;"--> 60 <CODE><FONT color="#000000"> <FONT color="#0000BB"> $aWeight </FONT></FONT> 61 </CODE></TD><TD valign="top"> </TD><TD>Line width</TD></TR> 62 <TR><TD valign="top"> 63 <!--span style="font-family:times;font-size:85%;font-weight:bold;"--> 64 <CODE><FONT color="#000000"> <FONT color="#0000BB"> $aStyle </FONT></FONT> 65 </CODE></TD><TD valign="top"> </TD><TD>Line style,"dashed", "dotted" and 66 so on</TD></TR> 67 </TABLE> 68 <P> Valid creations of lines are for example</P> 69 <UL> 70 <LI><DIV class="phpscript"><CODE><FONT color="#000000"> <FONT color="#0000BB"> 71 $vline </FONT><FONT color="#007700">= new </FONT><FONT color="#0000BB"> 72 GanttVLine</FONT><FONT color="#007700">(</FONT><FONT color="#DD0000"> 73 "2001-12-24"</FONT><FONT color="#007700">);</FONT><FONT color="#0000BB"></FONT> 74 </FONT></CODE></DIV> 75 <P></P> 76 </LI> 77 <LI><DIV class="phpscript"><CODE><FONT color="#000000"> <FONT color="#0000BB"> 78 $vline </FONT><FONT color="#007700">= new </FONT><FONT color="#0000BB"> 79 GanttVLine</FONT><FONT color="#007700">(</FONT><FONT color="#DD0000"> 80 "2001-12-24"</FONT><FONT color="#007700">,</FONT><FONT color="#DD0000"> 81 "Phase 1"</FONT><FONT color="#007700">);</FONT><FONT color="#0000BB"></FONT> 82 </FONT></CODE></DIV> 83 <P></P> 84 </LI> 85 <LI><DIV class="phpscript"><CODE><FONT color="#000000"> <FONT color="#0000BB"> 86 $vline </FONT><FONT color="#007700">= new </FONT><FONT color="#0000BB"> 87 GanttVLine</FONT><FONT color="#007700">(</FONT><FONT color="#DD0000"> 88 "2001-12-24"</FONT><FONT color="#007700">,</FONT><FONT color="#DD0000"> 89 "Phase 1"</FONT><FONT color="#007700">,</FONT><FONT color="#DD0000"> 90 "darkred"</FONT><FONT color="#007700">);</FONT><FONT color="#0000BB"></FONT> 91 </FONT></CODE></DIV> 92 <P></P> 93 </LI> 94 <LI><DIV class="phpscript"><CODE><FONT color="#000000"> <FONT color="#0000BB"> 95 $vline </FONT><FONT color="#007700">= new </FONT><FONT color="#0000BB"> 96 GanttVLine</FONT><FONT color="#007700">(</FONT><FONT color="#DD0000"> 97 "2001-12-24"</FONT><FONT color="#007700">,</FONT><FONT color="#DD0000"> 98 "Phase 1"</FONT><FONT color="#007700">,</FONT><FONT color="#DD0000"> 99 "darkred"</FONT><FONT color="#007700">,</FONT><FONT color="#0000BB">5</FONT><FONT 100 color="#007700">);</FONT><FONT color="#0000BB"></FONT></FONT></CODE></DIV> 101 <P></P> 102 </LI> 103 <LI><DIV class="phpscript"><CODE><FONT color="#000000"> <FONT color="#0000BB"> 104 $vline </FONT><FONT color="#007700">= new </FONT><FONT color="#0000BB"> 105 GanttVLine</FONT><FONT color="#007700">(</FONT><FONT color="#DD0000"> 106 "2001-12-24"</FONT><FONT color="#007700">,</FONT><FONT color="#DD0000"> 107 "Phase 1"</FONT><FONT color="#007700">,</FONT><FONT color="#DD0000"> 108 "darkred"</FONT><FONT color="#007700">,</FONT><FONT color="#0000BB">5</FONT><FONT 109 color="#007700">,</FONT><FONT color="#DD0000">"dotted"</FONT><FONT color="#007700"> 110 );</FONT><FONT color="#0000BB"></FONT></FONT></CODE></DIV> 111 <P></P> 112 </LI> 113 </UL> 114 <P> To add the line to the graph you just have to call GanttGraph::Add() 115 as with milestones and bars. Let's illustrate the use of vertical lines 116 by adding a line to the previous example.<DIV class="phpscript"><CODE><FONT 117 color="#000000"> <FONT color="#0000BB"> $vline </FONT><FONT color="#007700"> 118 = new </FONT><FONT color="#0000BB">GanttVLine</FONT><FONT color="#007700"> 119 (</FONT><FONT color="#DD0000">"2001-12-24"</FONT><FONT color="#007700">,</FONT><FONT 120 color="#DD0000">"Phase 1"</FONT><FONT color="#007700">); 121 <BR></FONT><FONT color="#0000BB">$graph</FONT><FONT color="#007700">-></FONT><FONT 122 color="#0000BB">Add</FONT><FONT color="#007700">(</FONT><FONT color="#0000BB"> 123 $vline</FONT><FONT color="#007700">); 124 <BR></FONT><FONT color="#0000BB"></FONT></FONT></CODE></DIV></P> 125 <P> and the example (See 149) now becomes<DIV class="example"> 126 <BR> <A href="exframes/frame_ganttex06.html" target="blank"><IMG border="0" 127 HEIGHT="189" src="img/ganttex06.png" WIDTH="502"></A> 128 <BR><B>Figure 149:</B> Adding a vertical line with a title to the Gantt 129 chart <A href="exframes/frame_ganttex06.html" target="blank">[src]</A> 130 <P></P> 131 </DIV></P> 132 <P> From the above figure you can see that by default the line is drawn 133 at the beginning of the day of the specified date and in a 'dashed' 134 style. This can (of course!) be modified so that the line is 135 drawn/aligned anywhere in the specified day. You modify this by 136 invoking the method SetDayOffset() with an argument specifying the 137 fraction of the day where you want the line positioned.</P> 138 <P> If you, for example, want to display the line in the middle of the 139 day just add the line<DIV class="phpscript"><CODE><FONT color="#000000"> 140 <FONT color="#0000BB"> $vline</FONT><FONT color="#007700">-></FONT><FONT 141 color="#0000BB">SetDayOffset</FONT><FONT color="#007700">(</FONT><FONT color="#0000BB"> 142 0.5</FONT><FONT color="#007700">);</FONT><FONT color="#0000BB"></FONT></FONT> 143 </CODE></DIV></P> 144 <P> to the previous code and the result will be<DIV class="example"> 145 <BR> <A href="exframes/frame_ganttex07.html" target="blank"><IMG border="0" 146 HEIGHT="189" src="img/ganttex07.png" WIDTH="502"></A> 147 <BR><B>Figure 150:</B> Modifying the position of the line within the day 148 <A href="exframes/frame_ganttex07.html" target="blank">[src]</A> 149 <P></P> 150 </DIV></P> 151 <P></P> 152 <P> As usual you may modify the font, size and color by invoking the 153 appropriate method (SetFont(), SetColor()) on the 'title' property of 154 lines.</P> 155 <HR NOSHADE> 156 <A HREF="toc.html">Contents</A> 157 <A HREF="1073Milestones.html">Previous</A> 158 <A HREF="1075Addingmarkerstoaganttbar.html">Next</A> 159 </BODY> 160 </HTML>
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