<html><head></head><body><div style="font-family: Verdana;font-size: 12.0px;"><div>Hello,</div>
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<div>we use RRDTools with an own PHP script and generate graphs at this way:</div>
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<div><span style="FONT-FAMILY:'Courier New' ; FONT-SIZE:12 ; COLOR:#000000 ; BACKGROUND-COLOR:transparent ; ">$options = "";</span><br/>
<span style="FONT-FAMILY:'Courier New' ; FONT-SIZE:12 ; COLOR:#000000 ; BACKGROUND-COLOR:transparent ; ">$options .= " $img_file";</span><br/>
<span style="FONT-FAMILY:'Courier New' ; FONT-SIZE:12 ; COLOR:#000000 ; BACKGROUND-COLOR:transparent ; ">$options .= " -t \"$vdesc\t$desc2\" ";</span><br/>
<span style="FONT-FAMILY:'Courier New' ; FONT-SIZE:12 ; COLOR:#000000 ; BACKGROUND-COLOR:transparent ; ">$options .= " --start $start";</span><br/>
<span style="FONT-FAMILY:'Courier New' ; FONT-SIZE:12 ; COLOR:#000000 ; BACKGROUND-COLOR:transparent ; ">$options .= " --end $end";</span><br/>
<span style="FONT-FAMILY:'Courier New' ; FONT-SIZE:12 ; COLOR:#000000 ; BACKGROUND-COLOR:transparent ; ">$options .= " -w $width";</span><br/>
<span style="FONT-FAMILY:'Courier New' ; FONT-SIZE:12 ; COLOR:#000000 ; BACKGROUND-COLOR:transparent ; ">$options .= " -h $height";</span><br/>
<span style="FONT-FAMILY:'Courier New' ; FONT-SIZE:12 ; COLOR:#000000 ; BACKGROUND-COLOR:transparent ; ">$options .= " --slope-mode";</span><br/>
<span style="FONT-FAMILY:'Courier New' ; FONT-SIZE:12 ; COLOR:#000000 ; BACKGROUND-COLOR:transparent ; ">$options .= " -c SHADEA#f0f0f0 ";</span><br/>
<span style="FONT-FAMILY:'Courier New' ; FONT-SIZE:12 ; COLOR:#000000 ; BACKGROUND-COLOR:transparent ; ">$options .= " -c SHADEB#f0f0f0 ";</span><br/>
<span style="FONT-FAMILY:'Courier New' ; FONT-SIZE:12 ; COLOR:#000000 ; BACKGROUND-COLOR:transparent ; ">$options .= " -W ".$config['watermark'];</span><br/>
<span style="FONT-FAMILY:'Courier New' ; FONT-SIZE:12 ; COLOR:#000000 ; BACKGROUND-COLOR:transparent ; ">$options .= " -c ARROW#58A6A7 ";</span><br/>
<span style="FONT-FAMILY:'Courier New' ; FONT-SIZE:12 ; COLOR:#000000 ; BACKGROUND-COLOR:transparent ; ">$options .= " DEF:$val=$rrd_file:$sid:AVERAGE";</span><br/>
<span style="FONT-FAMILY:'Courier New' ; FONT-SIZE:12 ; COLOR:#000000 ; BACKGROUND-COLOR:transparent ; ">$options .= " LINE2:$val$color[$i]:\"$beschreibung\" ";</span><br/>
<span style="FONT-FAMILY:'Courier New' ; FONT-SIZE:12 ; COLOR:#000000 ; BACKGROUND-COLOR:transparent ; ">$options .= " GPRINT:$val:LAST:\"%4.1lf\"";</span><br/>
<span style="FONT-FAMILY:'Courier New' ; FONT-SIZE:12 ; COLOR:#000000 ; BACKGROUND-COLOR:transparent ; ">$options .= " GPRINT:$val:MIN:\"min %4.1lf%s\"";</span><br/>
<span style="FONT-FAMILY:'Courier New' ; FONT-SIZE:12 ; COLOR:#000000 ; BACKGROUND-COLOR:transparent ; ">$options .= " GPRINT:$val:MAX:\"max %4.1lf%s\l\"";</span><br/>
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<span style="FONT-FAMILY:'Courier New' ; FONT-SIZE:12 ; COLOR:#000000 ; BACKGROUND-COLOR:transparent ; ">popen(RRDTOOL." graph $options", "r");</span></div>
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<div><span style="FONT-FAMILY:'Courier New' ; FONT-SIZE:12 ; COLOR:#000000 ; BACKGROUND-COLOR:transparent ; ">When we now generate graphs with different sizes unfortunately the values for LAST, MIN and MAX</span> change also:</div>
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<div><span style="FONT-FAMILY:'Courier New' ; FONT-SIZE:12 ; COLOR:#000000 ; BACKGROUND-COLOR:transparent ; ">small picture:</span><br/>
<span style="FONT-FAMILY:'Courier New' ; FONT-SIZE:12 ; COLOR:#0000FF ; BACKGROUND-COLOR:transparent ; TEXT-DECORATION: underline; "><a href="http://km2.klima-monitor.de/system.graph.php?mode=view&vid=3&t=y&se=2&start=01.01.2013&end=01.01.2014&width=429&height=200">http://km2.klima-monitor.de/system.graph.php?mode=view&vid=3&t=y&se=2&start=01.01.2013&end=01.01.2014&width=429&height=200</a></span><br/>
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<span style="FONT-FAMILY:'Courier New' ; FONT-SIZE:12 ; COLOR:#000000 ; BACKGROUND-COLOR:transparent ; ">big picture:</span><br/>
<span style="FONT-FAMILY:'Courier New' ; FONT-SIZE:12 ; COLOR:#0000FF ; BACKGROUND-COLOR:transparent ; TEXT-DECORATION: underline; "><a href="http://km2.klima-monitor.de/system.graph.php?mode=view&vid=3&t=y&se=2&start=01.01.2013&end=01.01.2014&width=837&height=400">http://km2.klima-monitor.de/system.graph.php?mode=view&vid=3&t=y&se=2&start=01.01.2013&end=01.01.2014&width=837&height=400</a></span></div>
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<div>I think it is a problem with sampling the used values from the archive. Is there a way to make this better?</div>
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<div>Thank you for all help</div>
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<div>Lutz</div>
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