<html><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">Hi Mark,<div><br></div><div>I do this in Visit 1.8.1 (for flash2.5 data)</div><div>1. controls+expressions</div><div>2. New --> Name: Bfield (for example), Type: Scalar (pseudocolor or countor) or vector (Bfield vector)</div><div>3. For scalar: sqrt(magx*magx+magy*magy) + apply</div><div>5. For vector {magx,magy} + apply</div><div>6. Dismiss... go to plot and enjoy</div><div><br></div><div>I hope that this help</div><div><br></div><div><br><div><div>El 05/09/2008, a las 06:18 p.m., Mark Miesch escribió:</div><br class="Apple-interchange-newline"><blockquote type="cite"><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "> <div><br></div>Hi all - <div><br></div><div>A quick question about using VISIT for FLASH visualization.</div><div><br></div><div>I'd like to make streamline plots of the magnetic field from an</div><div>MHD FLASH simulation. I can read the data into VISIT just fine </div><div>but it interprets magx, magy and magz as scalar fields. How </div><div>do I let VISIT know that these are three components of a </div><div>vector field so I can enable streamline and vector plots?</div><div><br></div><div>Many thanks,</div><div>- Mark</div><div><br><br><div> <span class="Apple-style-span" style="border-collapse: separate; border-spacing: 0px 0px; color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; text-align: auto; -khtml-text-decorations-in-effect: none; text-indent: 0px; -apple-text-size-adjust: auto; text-transform: none; orphans: 2; white-space: normal; widows: 2; word-spacing: 0px; "><div>Mark Miesch</div><div>HAO/NCAR</div><div>Boulder, CO 80307-3000</div><div>303-497-1582</div><div><a href="mailto:miesch@ucar.edu">miesch@ucar.edu</a></div><div><br class="khtml-block-placeholder"></div><br class="Apple-interchange-newline"></span> </div><br></div></div></blockquote></div><br></div></body></html>