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Hi Thibault,
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<div class="">Just want to add that the coordinate information is not usually stored as grid-based variables. A<font color="#000000" class="">lthough you can still do this by creating your own variables to store coordinates in source codes, there’s no need
to do so, since</font> it can be reconstructed from block information in the HDF outputs. </div>
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<div class="">In addition to Eddie’s solutions, you can also use yt (<a href="http://www.yt-project.org" class="">www.yt-project.org</a>) which does the reconstruction for you, and you can just use coordinates as grid-based-like variables (e.g., plot coordinate
values directly or evaluate some function of coordinates).</div>
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Best wishes,<br class="">
—<br class="">
Suoqing Ji<br class="">
Sherman Fairchild Fellow<br class="">
TAPIR & Walter Burke Institute for Theoretical Physics<br class="">
California Institute of Technology<br class="">
<a href="http://www.tapir.caltech.edu/~suoqing" class="">http://www.tapir.caltech.edu/~suoqing</a>
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<div class="">On Aug 26, 2020, at 6:55 AM, Eddie Hansen <<a href="mailto:ehansen@pas.rochester.edu" class="">ehansen@pas.rochester.edu</a>> wrote:</div>
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<div dir="ltr" class="">Hi Thibault,
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<div class="">I'm not sure if it can be put into a plot variable, but if you're using Visit, there is a way to define an expression for each coordinate. In Visit, go to Controls->Expressions, then click 'New'. Set the type to 'Scalar Mesh Variable', and name
it whatever you want (I call mine 'xpos' for example). Then in the Definition box, enter:</div>
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<div style="margin: 0px; white-space: pre-wrap;" class="">recenter(array_decompose(coord(amr_mesh),0),"zonal")</div>
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<div style="margin: 0px; white-space: pre-wrap;" class="">This should give you the x-position of the center of each cell. For y-position, use '1' instead of '0' in the coord array, and 2 for z-position.</div>
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<div dir="ltr" class="gmail_attr">On Wed, Aug 26, 2020 at 8:23 AM Thibault Goudal <<a href="mailto:thibault.goudal@u-bordeaux.fr" class="">thibault.goudal@u-bordeaux.fr</a>> wrote:<br class="">
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<div class="">Hi dear Flash users!<br class="">
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<div class="">I am looking for a solution to print the (flash,x) spatial variable into a plot_var in the flash.par.<br class="">
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<div class="">This variable is included in the chk but it seems that writing plot_var_1 = 'x ' in the .par doens't work.<br class="">
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<div class="">I checked in the Flash.h but this variable doesn't exist.</div>
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<div class="">Is there a way to print this variable in the plt outputs?<br class="">
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<div class="">Thanks!<br class="">
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<div class="">-- <br class="">
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<div style="text-align:left" class=""><span style="" class="">Thibault Goudal</span></div>
<div style="text-align:left" class=""><span style="" class="">PhD Student CEA</span></div>
<div style="text-align:left" class=""><span style="" class="">CELIA CNRS UMR5107 laboratory</span></div>
<div style="text-align:left" class=""><span style="" class="">+33664160842</span></div>
<div style="text-align:left" class=""><span style="" class=""><a href="mailto:thibault.goudal@u-bordeaux.fr" target="_blank" class="">thibault.goudal@u-bordeaux.fr</a></span></div>
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-- <br class="">
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<div class="">Eddie Hansen, PhD<br class="">
Postdoctoral Associate</div>
<div class="">University of Rochester</div>
<div class="">607-341-6126 | Flash Center</div>
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