<p class="MsoNormal"><b style="">About Arrowhead
problem:</b></p>

<p class="MsoNormal"><b style="">&nbsp;</b></p>

<p class="MsoNormal"><b style="">I am working on a GIS
project &amp; need to show directions(one way direction) along a section of a
road or highway. I need to show regularly spaced arrows along the line segment.</b></p>

<p class="MsoNormal"><b style="">&nbsp;</b></p>

<p class="MsoNormal"><b style="">Problem: Creation of
arrowhead</b></p>

<p class="MsoNormal"><b style="">I am creating
arrowhead symbol to be derived from a TrueType font. So my symbol file looks
like:</b></p>

<p class="MsoNormal"><b style="">&nbsp;</b></p>

<p class="MsoNormal" style=""><b style=""><span style="font-size: 10pt; font-family: &quot;Courier New&quot;;">SYMBOL</span></b></p>

<p class="MsoNormal" style=""><b style=""><span style="font-size: 10pt; font-family: &quot;Courier New&quot;;">NAME &quot;one_way_from&quot;</span></b></p>

<p class="MsoNormal" style=""><b style=""><span style="font-size: 10pt; font-family: &quot;Courier New&quot;;">TYPE truetype</span></b></p>

<p class="MsoNormal" style=""><b style=""><span style="font-size: 10pt; font-family: &quot;Courier New&quot;;">FONT arial-bold</span></b></p>

<p class="MsoNormal" style=""><b style=""><span style="font-size: 10pt; font-family: &quot;Courier New&quot;;">CHARACTER &quot;&gt;&quot;</span></b></p>

<p class="MsoNormal" style=""><b style=""><span style="font-size: 10pt; font-family: &quot;Courier New&quot;;">#FONT &quot;Wingdings&quot;</span></b></p>

<p class="MsoNormal" style=""><b style=""><span style="font-size: 10pt; font-family: &quot;Courier New&quot;;">#CHARACTER &quot;è&quot;</span></b></p>

<p class="MsoNormal" style=""><b style=""><span style="font-size: 10pt; font-family: &quot;Courier New&quot;;">GAP -40</span></b></p>

<p class="MsoNormal" style=""><b style=""><span style="font-size: 10pt; font-family: &quot;Courier New&quot;;">END </span></b></p>

<p class="MsoNormal" style=""><b style=""><span style="font-size: 10pt; font-family: &quot;Courier New&quot;;">&nbsp;</span></b></p>

<p class="MsoNormal" style=""><b style=""><span style="font-size: 10pt; font-family: &quot;Courier New&quot;;">&nbsp;</span></b></p>

<p class="MsoNormal" style=""><b style=""><span style="font-size: 10pt; font-family: &quot;Courier New&quot;;">SYMBOL</span></b></p>

<p class="MsoNormal" style=""><b style=""><span style="font-size: 10pt; font-family: &quot;Courier New&quot;;">NAME &quot;one_way_to&quot;</span></b></p>

<p class="MsoNormal" style=""><b style=""><span style="font-size: 10pt; font-family: &quot;Courier New&quot;;">TYPE truetype</span></b></p>

<p class="MsoNormal" style=""><b style=""><span style="font-size: 10pt; font-family: &quot;Courier New&quot;;">FONT arial-bold</span></b></p>

<p class="MsoNormal" style=""><b style=""><span style="font-size: 10pt; font-family: &quot;Courier New&quot;;">CHARACTER &quot;&lt;&quot;</span></b></p>

<p class="MsoNormal" style=""><b style=""><span style="font-size: 10pt; font-family: &quot;Courier New&quot;;">#FONT &quot;Wingdings&quot;</span></b></p>

<p class="MsoNormal" style=""><b style=""><span style="font-size: 10pt; font-family: &quot;Courier New&quot;;">#CHARACTER &quot;&amp;#???;&quot;</span></b></p>

<p class="MsoNormal" style=""><b style=""><span style="font-size: 10pt; font-family: &quot;Courier New&quot;;">GAP -40</span></b></p>

<p class="MsoNormal" style=""><b style=""><span style="font-size: 10pt; font-family: &quot;Courier New&quot;;">END </span></b></p>

<p class="MsoNormal" style=""><b style=""><span style="font-size: 10pt; font-family: &quot;Courier New&quot;;">&nbsp;</span></b></p>

<p class="MsoNormal" style=""><b style=""><span style="font-size: 10pt; font-family: &quot;Courier New&quot;;">And I have created a separate Layer just to display the
arrowhead on the road, which looks like this: </span></b></p>

<p class="MsoNormal" style=""><span style="font-size: 10pt; font-family: &quot;Courier New&quot;;">&nbsp;</span></p>

<p class="MsoNormal" style=""><b><span style="font-size: 10pt; font-family: &quot;Courier New&quot;;">LAYER</span></b></p>

<p class="MsoNormal" style=""><b><span style="font-size: 10pt; font-family: &quot;Courier New&quot;;"><span style="">&nbsp; </span>GROUP &quot;Basemap&quot;</span></b></p>

<p class="MsoNormal" style=""><b><span style="font-size: 10pt; font-family: &quot;Courier New&quot;;"><span style="">&nbsp; </span>NAME &quot;major road direction&quot;</span></b></p>

<p class="MsoNormal" style=""><b><span style="font-size: 10pt; font-family: &quot;Courier New&quot;;"><span style="">&nbsp; </span>CONNECTIONTYPE databasetype</span></b></p>

<p class="MsoNormal" style=""><b><span style="font-size: 10pt; font-family: &quot;Courier New&quot;;"><span style="">&nbsp; </span>CONNECTION connection_string</span></b></p>

<p class="MsoNormal" style=""><b><span style="font-size: 10pt; font-family: &quot;Courier New&quot;;"><span style="">&nbsp; </span>DATA &quot;query_to_be_executed&quot;</span></b></p>

<p class="MsoNormal" style=""><b><span style="font-size: 10pt; font-family: &quot;Courier New&quot;;"><span style="">&nbsp; </span></span></b></p>

<p class="MsoNormal" style=""><b><span style="font-size: 10pt; font-family: &quot;Courier New&quot;;"><span style="">&nbsp; </span>CLASSITEM &quot;ONEWAYDIRECTION&quot;</span></b></p>

<p class="MsoNormal" style=""><b><span style="font-size: 10pt; font-family: &quot;Courier New&quot;;"><span style="">&nbsp; </span>TYPE Line</span></b></p>

<p class="MsoNormal" style=""><b><span style="font-size: 10pt; font-family: &quot;Courier New&quot;;"><span style="">&nbsp; </span>STATUS ON</span></b></p>

<p class="MsoNormal" style=""><b><span style="font-size: 10pt; font-family: &quot;Courier New&quot;;"><span style="">&nbsp;</span></span></b></p>

<p class="MsoNormal" style=""><b><span style="font-size: 10pt; font-family: &quot;Courier New&quot;;"><span style="">&nbsp; </span>CLASS</span></b></p>

<p class="MsoNormal" style=""><b><span style="font-size: 10pt; font-family: &quot;Courier New&quot;;"><span style="">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>NAME &quot;From&quot;</span></b></p>

<p class="MsoNormal" style=""><b><span style="font-size: 10pt; font-family: &quot;Courier New&quot;;"><span style="">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>EXPRESSION </span></b><span style="font-size: 10pt; font-family: &quot;Courier New&quot;;">([ONEWAYDIRECTION] = 1)<span style="">&nbsp;&nbsp;&nbsp;&nbsp; </span><b></b></span></p>


<p class="MsoNormal" style=""><b><span style="font-size: 10pt; font-family: &quot;Courier New&quot;;"><span style="">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>STYLE</span></b></p>

<p class="MsoNormal" style=""><b><span style="font-size: 10pt; font-family: &quot;Courier New&quot;;"><span style="">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>SYMBOL &quot;one_way_from&quot;</span></b></p>

<p class="MsoNormal" style=""><b><span style="font-size: 10pt; font-family: &quot;Courier New&quot;;"><span style="">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>COLOR 0 0 0</span></b></p>

<p class="MsoNormal" style=""><b><span style="font-size: 10pt; font-family: &quot;Courier New&quot;;"><span style="">&nbsp;&nbsp;&nbsp;&nbsp; </span><span style="">&nbsp;&nbsp;&nbsp;&nbsp;</span>SIZE 6</span></b></p>

<p class="MsoNormal" style=""><b><span style="font-size: 10pt; font-family: &quot;Courier New&quot;;"><span style="">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>END </span></b></p>

<p class="MsoNormal" style=""><b><span style="font-size: 10pt; font-family: &quot;Courier New&quot;;"><span style="">&nbsp; </span>END</span></b></p>

<p class="MsoNormal" style=""><b><span style="font-size: 10pt; font-family: &quot;Courier New&quot;;">&nbsp;</span></b></p>

<p class="MsoNormal" style=""><b><span style="font-size: 10pt; font-family: &quot;Courier New&quot;;"><span style="">&nbsp;&nbsp; </span>CLASS</span></b></p>

<p class="MsoNormal" style=""><b><span style="font-size: 10pt; font-family: &quot;Courier New&quot;;"><span style="">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>NAME &quot;To&quot;</span></b></p>

<p class="MsoNormal" style=""><b><span style="font-size: 10pt; font-family: &quot;Courier New&quot;;"><span style="">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>EXPRESSION </span></b><span style="font-size: 10pt; font-family: &quot;Courier New&quot;;">([ONEWAYDIRECTION] = 0)<span style="">&nbsp;&nbsp; </span><b></b></span></p>


<p class="MsoNormal" style=""><b><span style="font-size: 10pt; font-family: &quot;Courier New&quot;;"><span style="">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>STYLE</span></b></p>

<p class="MsoNormal" style=""><b><span style="font-size: 10pt; font-family: &quot;Courier New&quot;;"><span style="">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>SYMBOL &quot;one_way_to&quot;</span></b></p>

<p class="MsoNormal" style=""><b><span style="font-size: 10pt; font-family: &quot;Courier New&quot;;"><span style="">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>COLOR 0 0 0</span></b></p>

<p class="MsoNormal" style=""><b><span style="font-size: 10pt; font-family: &quot;Courier New&quot;;"><span style="">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>SIZE 6</span></b></p>

<p class="MsoNormal" style=""><b><span style="font-size: 10pt; font-family: &quot;Courier New&quot;;"><span style="">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>END</span></b></p>

<p class="MsoNormal" style=""><b><span style="font-size: 10pt; font-family: &quot;Courier New&quot;;"><span style="">&nbsp;&nbsp;&nbsp;&nbsp; </span>END </span></b></p>

<p class="MsoNormal" style=""><b><span style="font-size: 10pt; font-family: &quot;Courier New&quot;;"><span style="">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span></b></p>

<p class="MsoNormal" style=""><b><span style="font-size: 10pt; font-family: &quot;Courier New&quot;;"><span style="">&nbsp;</span>END # Layer</span></b><span style="font-size: 10pt; font-family: &quot;Courier New&quot;;"></span></p>


<p class="MsoNormal">&nbsp;</p>

<p class="MsoNormal"><b style="">Where ONEWAYDIRECTION
is a column in my road named table, having 0 or 1 value.</b></p>

<p class="MsoNormal"><b style=""><span style="">&nbsp;</span>And the Road layer looks like this:</b></p>

<p class="MsoNormal" style=""><b><span style="font-size: 10pt; font-family: &quot;Courier New&quot;;">LAYER</span></b></p>

<p class="MsoNormal" style=""><b><span style="font-size: 10pt; font-family: &quot;Courier New&quot;;"><span style="">&nbsp; </span>NAME &quot;major road&quot;</span></b></p>

<p class="MsoNormal" style=""><b><span style="font-size: 10pt; font-family: &quot;Courier New&quot;;"><span style="">&nbsp; </span>CONNECTIONTYPE database_type</span></b></p>

<p class="MsoNormal" style=""><b><span style="font-size: 10pt; font-family: &quot;Courier New&quot;;"><span style="">&nbsp; </span>CONNECTION &quot;username/password&quot;</span></b></p>

<p class="MsoNormal" style=""><b><span style="font-size: 10pt; font-family: &quot;Courier New&quot;;"><span style="">&nbsp; </span>DATA &quot;query_to_be_executed&quot;</span></b></p>

<p class="MsoNormal" style=""><b><span style="font-size: 10pt; font-family: &quot;Courier New&quot;;"><span style="">&nbsp; </span>CLASSITEM &quot;ROADCLASS&quot;</span></b></p>

<p class="MsoNormal" style=""><b><span style="font-size: 10pt; font-family: &quot;Courier New&quot;;"><span style="">&nbsp; </span>LABELITEM &quot;STREETNAME&quot;</span></b></p>

<p class="MsoNormal" style=""><b><span style="font-size: 10pt; font-family: &quot;Courier New&quot;;"><span style="">&nbsp; </span>TYPE Line</span></b></p>

<p class="MsoNormal" style=""><b><span style="font-size: 10pt; font-family: &quot;Courier New&quot;;"><span style="">&nbsp; </span>STATUS ON</span></b></p>

<p class="MsoNormal" style=""><b><span style="font-size: 10pt; font-family: &quot;Courier New&quot;;"><span style="">&nbsp; </span>CLASS</span></b></p>

<p class="MsoNormal" style=""><b><span style="font-size: 10pt; font-family: &quot;Courier New&quot;;"><span style="">&nbsp;&nbsp;&nbsp; </span>NAME &quot;MAJOR-ROADS&quot;</span></b></p>

<p class="MsoNormal" style=""><b><span style="font-size: 10pt; font-family: &quot;Courier New&quot;;"><span style="">&nbsp;&nbsp;&nbsp; </span>MAXSCALE 30000</span></b></p>

<p class="MsoNormal" style=""><b><span style="font-size: 10pt; font-family: &quot;Courier New&quot;;"><span style="">&nbsp;&nbsp;&nbsp; </span>MINSCALE 7000</span></b></p>

<p class="MsoNormal" style=""><b><span style="font-size: 10pt; font-family: &quot;Courier New&quot;;"><span style="">&nbsp;&nbsp;&nbsp; </span>EXPRESSION ([ROADCLASS] &lt;= 5 )</span></b></p>

<p class="MsoNormal" style=""><b><span style="font-size: 10pt; font-family: &quot;Courier New&quot;;"><span style="">&nbsp;&nbsp; </span></span></b></p>

<p class="MsoNormal" style=""><b><span style="font-size: 10pt; font-family: &quot;Courier New&quot;;">&nbsp;</span></b></p>

<p class="MsoNormal" style=""><b><span style="font-size: 10pt; font-family: &quot;Courier New&quot;;"><span style="">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>style<span style=""> </span> </span></b></p>

<p class="MsoNormal" style=""><b><span style="font-size: 10pt; font-family: &quot;Courier New&quot;;"><span style="">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span><span style="">&nbsp;&nbsp; </span></span></b></p>

<p class="MsoNormal" style=""><b><span style="font-size: 10pt; font-family: &quot;Courier New&quot;;"><span style="">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span><span style="">&nbsp;&nbsp;&nbsp;&nbsp; </span>color 255 192 203</span></b></p>

<p class="MsoNormal" style=""><b><span style="font-size: 10pt; font-family: &quot;Courier New&quot;;"><span style="">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span><span style="">&nbsp;&nbsp;&nbsp;&nbsp; </span>#color 246 191 0</span></b></p>

<p class="MsoNormal" style=""><b><span style="font-size: 10pt; font-family: &quot;Courier New&quot;;"><span style="">&nbsp;</span><span style="">&nbsp;&nbsp;&nbsp;&nbsp; </span><span style="">&nbsp;&nbsp;&nbsp;&nbsp; </span>width 9 </span></b></p>

<p class="MsoNormal" style=""><b><span style="font-size: 10pt; font-family: &quot;Courier New&quot;;"><span style="">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span><span style="">&nbsp;&nbsp;&nbsp;&nbsp; </span>antialias true</span></b></p>

<p class="MsoNormal" style=""><b><span style="font-size: 10pt; font-family: &quot;Courier New&quot;;"><span style="">&nbsp;&nbsp;&nbsp;&nbsp; </span>end</span></b></p>

<p class="MsoNormal" style=""><b><span style="font-size: 10pt; font-family: &quot;Courier New&quot;;">&nbsp;</span></b></p>

<p class="MsoNormal" style=""><b><span style="font-size: 10pt; font-family: &quot;Courier New&quot;;"><span style="">&nbsp;&nbsp;&nbsp; </span>style</span></b></p>

<p class="MsoNormal" style=""><b><span style="font-size: 10pt; font-family: &quot;Courier New&quot;;"><span style="">&nbsp;&nbsp;&nbsp; </span><span style="">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span><span style="">&nbsp;&nbsp;</span></span></b></p>

<p class="MsoNormal" style=""><b><span style="font-size: 10pt; font-family: &quot;Courier New&quot;;"><span style="">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span><span style="">&nbsp;</span>color 255 192 203</span></b></p>

<p class="MsoNormal" style=""><b><span style="font-size: 10pt; font-family: &quot;Courier New&quot;;"><span style="">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span><span style="">&nbsp;</span>#color 255 222 0</span></b></p>

<p class="MsoNormal" style=""><b><span style="font-size: 10pt; font-family: &quot;Courier New&quot;;"><span style="">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span><span style="">&nbsp;</span>width 8</span></b></p>

<p class="MsoNormal" style=""><b><span style="font-size: 10pt; font-family: &quot;Courier New&quot;;"><span style="">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span><span style="">&nbsp;</span>antialias true</span></b></p>

<p class="MsoNormal" style=""><b><span style="font-size: 10pt; font-family: &quot;Courier New&quot;;"><span style="">&nbsp;&nbsp; </span>end</span></b></p>

<p class="MsoNormal" style=""><b><span style="font-size: 10pt; font-family: &quot;Courier New&quot;;">&nbsp;</span></b></p>

<p class="MsoNormal"><b><span style="font-size: 10pt; font-family: &quot;Courier New&quot;;">END
# Layer</span></b></p>

<p class="MsoNormal"><b><span style="font-size: 10pt; font-family: &quot;Courier New&quot;;">&nbsp;</span></b></p>

<p class="MsoNormal"><b><span style="font-size: 10pt; font-family: &quot;Courier New&quot;;">Now
on executing this, I am only getting road on my screen. I am not getting the
arrows along with road. Please see where I am doing mistake &amp; let me know
about it.</span></b></p>