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<p>Thanks Libin!</p>

<p>As per your suggestion it will only display the values between two contour level 180 - 200.</p>

<p>Actually, I want something else.</p>

<p>First,I want to mask all the values below 180 and above 200. Then multiply it (values in between 180-200) by some constant factor (eg. say 22) and then display the final result.</p>

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<p><font size="2">Sachin</font></p>

<p><font size="2">
<br /><b>---------- Original Message -----------</b> 
<br />From: Yan Libin <zjuyanlibin@163.com />
<br />To: GRADSUSR@list.cineca.it 
<br />Sent: Mon, 9 Nov 2009 21:35:02 0800 
<br />Subject: Re: Plotting values between to counter levels 
<br />
<br />&gt; [UTF-8?]&#65279; 
<br />&gt; <font face="Verdana" color="#000080" size="2">black</font> 
<br />&gt; ? 
<br />&gt; <font color="#000080">or</font> 
<br />&gt; ? 
<br />&gt; <font color="#000080">plot twice</font> 
<br />&gt; ? 
<br />&gt; <font color="#000080">set cmax</font> 
<br />&gt; <font color="#000080">d *</font> 
<br />&gt; <font color="#000080">set cmin</font> 
<br />&gt; <font color="#000080">d *</font> 
<br />&gt; ? 
<br />&gt; ? 
<br />&gt; <font face="Verdana" color="#c0c0c0" size="2">2009-11-09 </font></font>
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<p>
<br />&gt; <font face="Verdana" color="#c0c0c0" size="2"><span>Yan Libin</span> </font></p>

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<p>
<br />&gt; <font size="2" [utf-8?]face="Verdana"><strong>&#21457;&#20214;&#20154;&#65306;</strong> Sachin Ghude </font>
<br />&gt; <font size="2" [utf-8?]face="Verdana"><strong>&#21457;&#36865;&#26102;&#38388;&#65306;</strong> 2009-11-09? 20:43:40 </font>
<br />&gt; <font size="2" [utf-8?]face="Verdana"><strong>&#25910;&#20214;&#20154;&#65306;</strong> GRADSUSR </font>
<br />&gt; <font size="2" [utf-8?]face="Verdana"><strong>&#25220;&#36865;&#65306;</strong> </font>
<br />&gt; <font size="2" [utf-8?]face="Verdana"><strong>&#20027;&#39064;&#65306;</strong> Plotting values between to counter levels </font>
<br />&gt; 
<br />&gt; <font face="Verdana" size="2">
<br />&gt; Hi! 
<br />&gt; 
<br />&gt; Is?there?any?utility?in?GRADS?to? plot?values?only?between?two?contour? levels? 
<br />&gt; 
<br />&gt; For?example,?I?want?to?display? ozone?data?over?Indian?region?between?the? contour? levels 
<br />&gt; 180?-?200?DU??Is?it?possible?to? mask?values?above?200?and?below? 100? 
<br />&gt; 
<br />&gt; Thanks?in? Advance. 
<br />&gt; 
<br />&gt; Sachin</font> 
<br /><b>------- End of Original Message -------</b> 
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