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<p class="MsoNormal">Adding the ParaView developers back into this thread.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><b>From:</b> Francesca Samsel [mailto:figs@me.com] <br>
<b>Sent:</b> Wednesday, December 20, 2017 11:21 AM<br>
<b>To:</b> Bujack, Roxana Barbara (LANL) <bujack@lanl.gov>; Scott, W Alan <wascott@sandia.gov><br>
<b>Cc:</b> Nouanesengsy, Boonthanome (LANL) <boonth@lanl.gov>; aron.helser@kitware.com; Moreland, Kenneth <kmorel@sandia.gov>; Patchett, John M. (LANL) <patchett@lanl.gov>; Ahrens, James Paul (LANL) <ahrens@lanl.gov>; Rogers, David Honegger (LANL) <dhr@lanl.gov><br>
<b>Subject:</b> Re: [Paraview-developers] [EXTERNAL] Re: Color legend presets<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span style="font-size:10.5pt">Alan,</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:10.5pt">We have been working on the colormap issue for over four years now. It is complex. I would suggest that the main voices sit down together with KitWare, and documentation from folks who have weighed in. One
option - I will be coming out your way in mid-February for the ParaView tutorial. Would it make sense to put together an in person / skype meeting and have a discussion about color? We could meet either in ABQ or at LANL. I agree with the ParaView committee
that any changes made need to be well considered and made once as opposed to smaller sequential changes.</span><o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><span style="font-size:10.5pt">My two cents… We need the rainbow, de-sat rainbow, jet and Moreland cool warm. Beyond that we should look for a range of maps that produce accurate results on differing fronts - discrimination, uniformity,
specialized use, etc. A shortened list is definitely needed but it needs to be carefully selected to include a variety of maps that best addresses a variety of needs. It might also be helpful to look at the Colormap UI to see if it could be reconfigured
to categorize colormaps beyond the standards via an advanced option.</span><o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><span style="font-size:10.5pt">Terry Turton and Colin Ware have done a good bit of perceptual testing. Looking at their findings will help guide the way to providing a relevant range of maps. </span><o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><span style="font-size:10.5pt">Recommendations are another topic to discuss. We have tutorials up on
<a href="http://SciVisColor.org">SciVisColor.org</a> and are working on a new series of videos specifically designed to help scientists quickly and easily select a colormap based on their data and task. Matplot lib has great documentation. We are updating
our documentation. Check back mid to late January when we hope to have the updates complete.</span><o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><span style="font-size:10.5pt">On a side note, I presented last week at AGU. The scientific community is clambering for help on the topic. Figuring out how we can best provide the guidance and broaden our impact is also worth discussing.</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:10.5pt">Best to all,</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:10.5pt">Francesca</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:10.5pt">On Dec 20, 2017, at 11:49 AM, Bujack, Roxana Barbara <<a href="mailto:bujack@lanl.gov">bujack@lanl.gov</a>> wrote:</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:10.5pt">I agree that we should shorten/reorganize the list, but also that the rainbow needs to stay there.</span><o:p></o:p></p>
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Best,</span><span style="font-family:"Helvetica",sans-serif"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;font-family:"Helvetica",sans-serif">Roxana</span><span style="font-family:"Helvetica",sans-serif"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt">On Dec 20, 2017, at 10:42 AM, Boonthanome Nouanesengsy <<a href="mailto:boonth@lanl.gov">boonth@lanl.gov</a>> wrote:</span><o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;font-family:"Helvetica",sans-serif;background:white">Hey,</span><span style="font-size:10.5pt;font-family:"Helvetica",sans-serif"><br>
<span style="background:white">Not sure if you're on the Paraview developer's mailling list, but there is a discussion of changing the colormaps options in Paraview. Maybe you have opinions on this.</span><br>
<br>
<span style="background:white">cheers,</span><br>
<span style="background:white">Boonth</span></span><o:p></o:p></p>
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<br>
-------- Forwarded Message -------- </span><span style="font-family:"Helvetica",sans-serif"><o:p></o:p></span></p>
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<p class="MsoNormal" align="right" style="text-align:right"><b><span style="font-size:10.5pt">Subject:</span></b><b><o:p></o:p></b></p>
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<p class="MsoNormal"><span style="font-size:10.5pt">Re: [Paraview-developers] [EXTERNAL] Re: Color legend presets</span><o:p></o:p></p>
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<p class="MsoNormal" align="right" style="text-align:right"><b><span style="font-size:10.5pt">Date:</span></b><b><o:p></o:p></b></p>
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<p class="MsoNormal"><span style="font-size:10.5pt">Tue, 19 Dec 2017 17:50:32 +0000</span><o:p></o:p></p>
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<p class="MsoNormal" align="right" style="text-align:right"><b><span style="font-size:10.5pt">From:</span></b><b><o:p></o:p></b></p>
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<p class="MsoNormal"><span style="font-size:10.5pt">Scott, W Alan<span class="apple-converted-space"> </span><a href="mailto:wascott@sandia.gov"><span style="color:purple"><wascott@sandia.gov></span></a></span><o:p></o:p></p>
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<p class="MsoNormal" align="right" style="text-align:right"><b><span style="font-size:10.5pt">To:</span></b><b><o:p></o:p></b></p>
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<p class="MsoNormal"><span style="font-size:10.5pt">Aron Helser<span class="apple-converted-space"> </span><a href="mailto:aron.helser@kitware.com"><span style="color:purple"><aron.helser@kitware.com></span></a></span><o:p></o:p></p>
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<p class="MsoNormal" align="right" style="text-align:right"><b><span style="font-size:10.5pt">CC:</span></b><b><o:p></o:p></b></p>
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<p class="MsoNormal"><span style="font-size:10.5pt"><a href="mailto:paraview-developers@paraview.org"><span style="color:purple">paraview-developers@paraview.org</span></a><span class="apple-converted-space"> </span><a href="mailto:paraview-developers@paraview.org"><span style="color:purple"><paraview-developers@paraview.org></span></a></span><o:p></o:p></p>
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<p class="MsoNormal" style="margin-bottom:12.0pt;background:white"><span style="font-family:"Helvetica",sans-serif"><o:p> </o:p></span></p>
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<p class="MsoNormal" style="background:white"><span style="font-size:10.5pt">Just to reiterate here (a thread I have presented to a more limited, but very vocal audience), we NEVER will be able to remove Rainbow. There are cases it is not just the best colormap,
but the only color map that fills requirements. If a customer is trying to compare screenshots or movies against historical runs, and these historical runs were Rainbow, Rainbow is the best color map. Further, if Rainbow is contractually required, we will
lose users if we don’t present Rainbow as an option.</span><o:p></o:p></p>
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<p class="MsoNormal" style="background:white"> <o:p></o:p></p>
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<p class="MsoNormal" style="background:white"><span style="font-size:10.5pt">But, having said that, let’s make it easy to do the right thing, and harder to do stupid stuff (such as use Rainbow as default).</span><o:p></o:p></p>
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<p class="MsoNormal" style="background:white"> <o:p></o:p></p>
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<p class="MsoNormal" style="background:white"><span style="font-size:10.5pt">Here is a good writeup on the four matplotlib colormaps:<span class="apple-converted-space"> </span><a href="https://bids.github.io/colormap/"><span style="color:purple">https://bids.github.io/colormap/</span></a>.
Note that they are both perceptually uniform (not necessarily with regards to brightness), and are also very good for color blind folks.</span><o:p></o:p></p>
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<p class="MsoNormal" style="background:white"> <o:p></o:p></p>
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<p class="MsoNormal" style="background:white"><span style="font-size:10.5pt">Here’s another good writeup on colormaps (from the good folks at matplotlib):<a href="https://matplotlib.org/users/colormaps.html"><span style="color:purple">https://matplotlib.org/users/colormaps.html</span></a></span><o:p></o:p></p>
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<p class="MsoNormal" style="background:white"> <o:p></o:p></p>
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<p class="MsoNormal" style="background:white"><span style="font-size:10.5pt">Alan</span><o:p></o:p></p>
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<p class="MsoNormal" style="background:white"> <o:p></o:p></p>
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<p class="MsoNormal" style="background:white"><b><span style="font-size:10.5pt">From:</span></b><span class="apple-converted-space"><span style="font-size:10.5pt"> </span></span><span style="font-size:10.5pt">Aron Helser [<a href="mailto:aron.helser@kitware.com"><span style="color:purple">mailto:aron.helser@kitware.com</span></a>]<span class="apple-converted-space"> </span><br>
<b>Sent:</b><span class="apple-converted-space"> </span>Tuesday, December 19, 2017 9:07 AM<br>
<b>To:</b><span class="apple-converted-space"> </span>Scott, W Alan<span class="apple-converted-space"> </span><a href="mailto:wascott@sandia.gov"><span style="color:purple"><wascott@sandia.gov></span></a><br>
<b>Cc:</b><span class="apple-converted-space"> </span><a href="mailto:paraview-developers@paraview.org"><span style="color:purple">paraview-developers@paraview.org</span></a><br>
<b>Subject:</b><span class="apple-converted-space"> </span>[EXTERNAL] Re: [Paraview-developers] Color legend presets</span><o:p></o:p></p>
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<p class="MsoNormal" style="background:white"><span style="font-size:10.5pt">Sounds like a great idea to me - the long colormap list gives no guidance to users.</span><o:p></o:p></p>
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<p class="MsoNormal" style="margin-bottom:12.0pt;background:white"><span style="font-size:10.5pt">I agree that rainbow and other perceptually troublesome colormaps should be advanced (or removed).</span><o:p></o:p></p>
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<p class="MsoNormal" style="background:white"><span style="font-size:10.5pt">IIRC these are designed to have uniform or linear perceptual brightness? What about the others?</span><o:p></o:p></p>
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<span style="font-size:10.5pt">Viridis</span><o:p></o:p></li><li class="MsoNormal" style="margin-left:0in;mso-list:l2 level1 lfo1;background:white">
<span style="font-size:10.5pt">Plasma</span><o:p></o:p></li><li class="MsoNormal" style="margin-left:0in;mso-list:l2 level1 lfo1;background:white">
<span style="font-size:10.5pt">Inferno</span><o:p></o:p></li><li class="MsoNormal" style="margin-left:0in;mso-list:l2 level1 lfo1;background:white">
<span style="font-size:10.5pt">Magma</span><o:p></o:p></li></ul>
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<span style="font-size:10.5pt;font-family:"Helvetica",sans-serif">I think we'd have to decide what to do with categorical colormaps as well.</span><span style="font-family:"Helvetica",sans-serif"><o:p></o:p></span></p>
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<span style="font-size:10.5pt;font-family:"Helvetica",sans-serif">Regards,</span><span style="font-family:"Helvetica",sans-serif"><o:p></o:p></span></p>
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<span style="font-size:10.5pt;font-family:"Helvetica",sans-serif">Aron</span><span style="font-family:"Helvetica",sans-serif"><o:p></o:p></span></p>
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<p class="MsoNormal" style="background:white"> <o:p></o:p></p>
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<p class="MsoNormal" style="background:white"><span style="font-size:10.5pt">On Mon, Dec 18, 2017 at 6:37 PM, Scott, W Alan <<a href="mailto:wascott@sandia.gov" target="_blank"><span style="color:purple">wascott@sandia.gov</span></a>> wrote:</span><o:p></o:p></p>
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<p class="MsoNormal" style="background:white"><span style="font-size:10.5pt">I would like to propose that we reorder the color legends presets as follows:</span><o:p></o:p></p>
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<p class="MsoNormal" style="background:white"><span style="font-size:10.5pt"> </span><o:p></o:p></p>
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<span style="font-size:10.5pt">Add an advanced icon. Default will get rid of everything other than the first page. Increase the size of the Choose Preset to show all of the default list.</span><o:p></o:p></li><li class="MsoNormal" style="margin-left:0in;mso-list:l1 level1 lfo2;background:white">
<span style="font-size:10.5pt">In Advanced, add sub menus. These should be Common, Rainbow variant, double ended, dark to light, misc., etc. </span><o:p></o:p></li><li class="MsoNormal" style="margin-left:0in;mso-list:l1 level1 lfo2;background:white">
<span style="font-size:10.5pt">Default will look like this. Note that for the most part I didn’t invert any maps, since there is already a button to do this.</span><o:p></o:p></li></ul>
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<span style="font-size:10.5pt">Cool to Warm</span><o:p></o:p></li><li class="MsoNormal" style="margin-left:0in;mso-list:l0 level2 lfo3;background:white">
<span style="font-size:10.5pt">Cool to Warm (Extended)</span><o:p></o:p></li><li class="MsoNormal" style="margin-left:0in;mso-list:l0 level2 lfo3;background:white">
<span style="font-size:10.5pt">Viridis</span><o:p></o:p></li><li class="MsoNormal" style="margin-left:0in;mso-list:l0 level2 lfo3;background:white">
<span style="font-size:10.5pt">Plasma</span><o:p></o:p></li><li class="MsoNormal" style="margin-left:0in;mso-list:l0 level2 lfo3;background:white">
<span style="font-size:10.5pt">Inferno</span><o:p></o:p></li><li class="MsoNormal" style="margin-left:0in;mso-list:l0 level2 lfo3;background:white">
<span style="font-size:10.5pt">Magma</span><o:p></o:p></li><li class="MsoNormal" style="margin-left:0in;mso-list:l0 level2 lfo3;background:white">
<span style="font-size:10.5pt">Black-Body Radiation</span><o:p></o:p></li><li class="MsoNormal" style="margin-left:0in;mso-list:l0 level2 lfo3;background:white">
<span style="font-size:10.5pt">X-Ray</span><o:p></o:p></li><li class="MsoNormal" style="margin-left:0in;mso-list:l0 level2 lfo3;background:white">
<span style="font-size:10.5pt">Gray Scale</span><o:p></o:p></li><li class="MsoNormal" style="margin-left:0in;mso-list:l0 level2 lfo3;background:white">
<span style="font-size:10.5pt">Cold and Hot</span><o:p></o:p></li><li class="MsoNormal" style="margin-left:0in;mso-list:l0 level2 lfo3;background:white">
<span style="font-size:10.5pt">Black, blue and white</span><o:p></o:p></li><li class="MsoNormal" style="margin-left:0in;mso-list:l0 level2 lfo3;background:white">
<span style="font-size:10.5pt">Black, orange and white</span><o:p></o:p></li><li class="MsoNormal" style="margin-left:0in;mso-list:l0 level2 lfo3;background:white">
<span style="font-size:10.5pt">2hot</span><o:p></o:p></li><li class="MsoNormal" style="margin-left:0in;mso-list:l0 level2 lfo3;background:white">
<span style="font-size:10.5pt">Rainbow Desaturated</span><o:p></o:p></li><li class="MsoNormal" style="margin-left:0in;mso-list:l0 level2 lfo3;background:white">
<span style="font-size:10.5pt">erdc_rainbow_bright</span><o:p></o:p></li><li class="MsoNormal" style="margin-left:0in;mso-list:l0 level2 lfo3;background:white">
<span style="font-size:10.5pt">erdc_rainbow_dark</span><o:p></o:p></li><li class="MsoNormal" style="margin-left:0in;mso-list:l0 level2 lfo3;background:white">
<span style="font-size:10.5pt">Jet</span><o:p></o:p></li><li class="MsoNormal" style="margin-left:0in;mso-list:l0 level2 lfo3;background:white">
<span style="font-size:10.5pt"> </span><o:p></o:p></li></ul>
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<p class="MsoNormal" style="background:white"><span style="font-size:10.5pt"> </span><o:p></o:p></p>
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<p class="MsoNormal" style="background:white"><span style="font-size:10.5pt">Get rid of Rainbow Blended White, Gray and Black. These were things I tried, and didn’t work, with our lighting model.</span><o:p></o:p></p>
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<p class="MsoNormal" style="background:white"><span style="font-size:10.5pt">Get rid of the second erdc_rainbow_bright/dark</span><o:p></o:p></p>
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<p class="MsoNormal" style="background:white"><span style="font-size:10.5pt">Get rid of coolwarm. It is Cool to Warm, which we already have.</span><o:p></o:p></p>
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<p class="MsoNormal" style="background:white"><span style="font-size:10.5pt">Notice that I pushed normal Rainbow to be advanced only.</span><o:p></o:p></p>
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<p class="MsoNormal" style="background:white"><span style="font-size:10.5pt"> </span><o:p></o:p></p>
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<p class="MsoNormal" style="background:white"><span style="font-size:10.5pt">Thoughts?</span><o:p></o:p></p>
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<p class="MsoNormal" style="background:white"><span style="font-size:10.5pt"> </span><o:p></o:p></p>
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<p class="MsoNormal" style="background:white"><span style="font-size:10.5pt">--------------------------------------------------------</span><o:p></o:p></p>
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<p class="MsoNormal" style="background:white"><span style="font-size:10.5pt">W. Alan Scott</span><o:p></o:p></p>
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<p class="MsoNormal" style="background:white"><span style="font-size:10.5pt">ParaView Support Manager</span><o:p></o:p></p>
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<p class="MsoNormal" style="background:white"><span style="font-size:10.5pt"> </span><o:p></o:p></p>
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<p class="MsoNormal" style="background:white"><span style="font-size:10.5pt">SAIC</span><o:p></o:p></p>
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<p class="MsoNormal" style="background:white"><span style="font-size:10.5pt">Sandia National Laboratories, MS 0807</span><o:p></o:p></p>
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<p class="MsoNormal" style="background:white"><span style="font-size:10.5pt">Org 9326 - Building 880 A1-K</span><o:p></o:p></p>
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<p class="MsoNormal" style="background:white"><span style="font-size:10.5pt"><a href="tel:%28505%29%20284-0932" target="_blank"><span style="color:purple">(505) 284-0932</span></a> FAX<span class="apple-converted-space"> </span><a href="tel:%28505%29%20284-5619" target="_blank"><span style="color:purple">(505)
284-5619</span></a></span><o:p></o:p></p>
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<p class="MsoNormal" style="background:white"><span style="font-size:10.5pt"> </span><o:p></o:p></p>
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<p class="MsoNormal" style="background:white"><span style="font-size:10.5pt">The most exciting phrase to hear in science</span><o:p></o:p></p>
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<p class="MsoNormal" style="background:white"><span style="font-size:10.5pt">is not "Eureka!" but "That's funny..." -- Isaac Asimov</span><o:p></o:p></p>
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<p class="MsoNormal" style="background:white"><span style="font-size:10.5pt">---------------------------------------------------------</span><o:p></o:p></p>
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<p class="MsoNormal" style="background:white"><span style="font-size:10.5pt"> </span><o:p></o:p></p>
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<p class="MsoNormal" style="margin-bottom:12.0pt;background:white"><span style="font-size:10.5pt"><br>
_______________________________________________<br>
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<p class="MsoNormal" style="background:white"> <o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:10.5pt"><Attached Message Part.txt></span><o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><b><span style="font-size:10.5pt">Francesca Samsel M.F.A.</span></b><span style="font-size:10.5pt"><br>
Research Associate <br>
Center for Agile Technology<br>
University of Texas at Austin<br>
<a href="mailto:figs@cat.utexas.edu">figs@cat.utexas.edu</a><br>
512-232-5487<br>
<br>
<a href="http://www.francescasamsel.com">www.francescasamsel.com</a> </span><o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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