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<div><span></span>Hi</div><div><br></div><div>I want to make the electric fieldline but there are always some problems.</div><div>I did this as follows,</div><div>1. run add charge to the system</div><div>2. run APBS, the I get the electrostatic surface and a file named 1.dx</div><div>3. open 1.dx</div><div>4.<span style="orphans: 2; white-space: pre-wrap; widows: 2; font-size: 10.5pt; line-height: 1.5; background-color: window;">measure fieldLines #0 lines 500 startAbove 10 color pink linewidth 2</span></div>
<div>then I get the problem : no volume specified</div><div><br></div><div>I have check the userguide of measure fieldlines, but there is nothing about the volume. </div><div><a name="fieldLines" style="font-family: 'Microsoft YaHei'; font-size: medium; orphans: 2; widows: 2;"><b>measure fieldLines</b></a><span style="font-family: 'Microsoft YaHei'; font-size: medium; orphans: 2; widows: 2;"> </span><i style="font-family: 'Microsoft YaHei'; font-size: medium; orphans: 2; widows: 2;">map-model(s)</i><span style="font-family: 'Microsoft YaHei'; font-size: medium; orphans: 2; widows: 2;"> [ </span><b style="font-family: 'Microsoft YaHei'; font-size: medium; orphans: 2; widows: 2;">lines</b><span style="font-family: 'Microsoft YaHei'; font-size: medium; orphans: 2; widows: 2;"> </span><i style="font-family: 'Microsoft YaHei'; font-size: medium; orphans: 2; widows: 2;">N</i><span style="font-family: 'Microsoft YaHei'; font-size: medium; orphans: 2; widows: 2;"> ] [ </span><b style="font-family: 'Microsoft YaHei'; font-size: medium; orphans: 2; widows: 2;">startAbove</b><span style="font-family: 'Microsoft YaHei'; font-size: medium; orphans: 2; widows: 2;"> </span><i style="font-family: 'Microsoft YaHei'; font-size: medium; orphans: 2; widows: 2;">cutoff</i><span style="font-family: 'Microsoft YaHei'; font-size: medium; orphans: 2; widows: 2;"> ] [ </span><b style="font-family: 'Microsoft YaHei'; font-size: medium; orphans: 2; widows: 2;">step</b><span style="font-family: 'Microsoft YaHei'; font-size: medium; orphans: 2; widows: 2;"> </span><i style="font-family: 'Microsoft YaHei'; font-size: medium; orphans: 2; widows: 2;">s</i><span style="font-family: 'Microsoft YaHei'; font-size: medium; orphans: 2; widows: 2;"> ] [ </span><b style="font-family: 'Microsoft YaHei'; font-size: medium; orphans: 2; widows: 2;">modelId</b><span style="font-family: 'Microsoft YaHei'; font-size: medium; orphans: 2; widows: 2;"> </span><i style="font-family: 'Microsoft YaHei'; font-size: medium; orphans: 2; widows: 2;">model-number</i><span style="font-family: 'Microsoft YaHei'; font-size: medium; orphans: 2; widows: 2;"> ] [ </span><b style="font-family: 'Microsoft YaHei'; font-size: medium; orphans: 2; widows: 2;">color</b><span style="font-family: 'Microsoft YaHei'; font-size: medium; orphans: 2; widows: 2;"> </span><i style="font-family: 'Microsoft YaHei'; font-size: medium; orphans: 2; widows: 2;">line-color</i><span style="font-family: 'Microsoft YaHei'; font-size: medium; orphans: 2; widows: 2;"> ] [ </span><b style="font-family: 'Microsoft YaHei'; font-size: medium; orphans: 2; widows: 2;">lineWidth</b><span style="font-family: 'Microsoft YaHei'; font-size: medium; orphans: 2; widows: 2;"> </span><i style="font-family: 'Microsoft YaHei'; font-size: medium; orphans: 2; widows: 2;">width</i><span style="font-family: 'Microsoft YaHei'; font-size: medium; orphans: 2; widows: 2;"> ] [ </span><b style="font-family: 'Microsoft YaHei'; font-size: medium; orphans: 2; widows: 2;">tubeRadius</b><span style="font-family: 'Microsoft YaHei'; font-size: medium; orphans: 2; widows: 2;"> </span><i style="font-family: 'Microsoft YaHei'; font-size: medium; orphans: 2; widows: 2;">radius</i><span style="font-family: 'Microsoft YaHei'; font-size: medium; orphans: 2; widows: 2;"> ] [ </span><b style="font-family: 'Microsoft YaHei'; font-size: medium; orphans: 2; widows: 2;">circleSubdivisions</b><span style="font-family: 'Microsoft YaHei'; font-size: medium; orphans: 2; widows: 2;"> </span><i style="font-family: 'Microsoft YaHei'; font-size: medium; orphans: 2; widows: 2;">M</i><span style="font-family: 'Microsoft YaHei'; font-size: medium; orphans: 2; widows: 2;"> ] [ </span><b style="font-family: 'Microsoft YaHei'; font-size: medium; orphans: 2; widows: 2;">markers</b><span style="font-family: 'Microsoft YaHei'; font-size: medium; orphans: 2; widows: 2;"> true|</span><b style="font-family: 'Microsoft YaHei'; font-size: medium; orphans: 2; widows: 2;">false</b><span style="font-family: 'Microsoft YaHei'; font-size: medium; orphans: 2; widows: 2;"> ]</span></div><div><span style="font-family: 'Microsoft YaHei'; font-size: medium; orphans: 2; widows: 2;"><br></span></div><div>what should I do next?</div><div><br></div><div>Thanks.</div><div><br></div><div>Qiao Xue</div><hr style="width: 210px; height: 1px;" color="#b5c4df" size="1" align="left">
<div><span><div style="MARGIN: 10px; FONT-FAMILY: verdana; FONT-SIZE: 10pt"><div>xmgign@126.com</div></div></span></div>
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