<html><head></head><body><div style="color:#000; background-color:#fff; font-family:verdana, helvetica, sans-serif;font-size:16px"><div id="yui_3_16_0_1_1457427248317_59708"><span>Here are the pictures.</span></div> <div class="qtdSeparateBR"><br><br></div><div class="yahoo_quoted" style="display: block;"> <div style="font-family: verdana, helvetica, sans-serif; font-size: 16px;"> <div style="font-family: HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; font-size: 16px;"> <div dir="ltr"><font size="2" face="Arial"> Le Mardi 8 mars 2016 11h35, Megdich Islem <megdich_islem@yahoo.fr> a écrit :<br></font></div> <br><br> <div class="y_msg_container"><div id="yiv9791958291"><div><div style="color:#000;background-color:#fff;font-family:verdana, helvetica, sans-serif;font-size:16px;"><div id="yiv9791958291"><div id="yiv9791958291yui_3_16_0_1_1457427248317_33822"><div id="yiv9791958291yui_3_16_0_1_1457427248317_33821" style="color:#000;background-color:#fff;font-family:verdana, helvetica, sans-serif;font-size:16px;"><div id="yiv9791958291yui_3_16_0_1_1457427248317_21187"><div class="yiv9791958291" id="yiv9791958291yui_3_16_0_1_1457427248317_37882" style="margin:1.2pt 0cm;"><span class="yiv9791958291" id="yiv9791958291yui_3_16_0_1_1457427248317_37884" style="font-size:12pt;font-family:Verdana, sans-serif;">Hi cory,</span></div>
<div class="yiv9791958291" id="yiv9791958291yui_3_16_0_1_1457427248317_37888" style="margin:1.2pt 0cm;"><span class="yiv9791958291" id="yiv9791958291yui_3_16_0_1_1457427248317_37890" style="font-size:12pt;font-family:Verdana, sans-serif;"> </span></div>
<div class="yiv9791958291" id="yiv9791958291yui_3_16_0_1_1457427248317_37892" style="margin:1.2pt 0cm;"><span class="yiv9791958291" id="yiv9791958291yui_3_16_0_1_1457427248317_37894" style="font-size:12pt;font-family:Verdana, sans-serif;">I was working on the case of water computation
in the desired domain taking into account your suggestions. I attached here
some pictures that helps to figure out how I did it. I created the domain in
which I want to compute the volume of water using the clip filter and then I
thresolded the clipped domain to contain only the cells ranging between
0.5 and 1 of alpha water and I ended up with the domain illustrated in picture
3, and then I applied the annotation filter setting up the array association to
Point Data and the expression to algs.sum(algs.volume(inputs[0])), but I ended
up with an error in the render view and output message stating that
AttributeError:'None Type' object has no attribute 'GetCellData'. I couldn't
understand the reason, I tried all the array Association options, I got
the same error, except for the Row Data, I got this error:
AttributeError:'NoneType' object has no attribute 'GetNumberOfArrays'.</span></div>
<div class="yiv9791958291" id="yiv9791958291yui_3_16_0_1_1457427248317_37898" style="margin:1.2pt 0cm;"><span class="yiv9791958291" id="yiv9791958291yui_3_16_0_1_1457427248317_37900" style="font-size:12pt;font-family:Verdana, sans-serif;">(picture 4 and 5).</span></div>
<div class="yiv9791958291" id="yiv9791958291yui_3_16_0_1_1457427248317_37904" style="margin:1.2pt 0cm;"><span class="yiv9791958291" id="yiv9791958291yui_3_16_0_1_1457427248317_37906" style="font-size:12pt;font-family:Verdana, sans-serif;"> </span></div>
<div class="yiv9791958291" id="yiv9791958291yui_3_16_0_1_1457427248317_37908" style="margin:1.2pt 0cm;"><span class="yiv9791958291" id="yiv9791958291yui_3_16_0_1_1457427248317_37910" style="font-size:12pt;font-family:Verdana, sans-serif;">I googled that link </span></div>
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5.0.1-RC1-193-gad11756 documentation</a><br clear="none" class="yiv9791958291" id="yiv9791958291yui_3_16_0_1_1457427248317_37924">
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ParaView/Python 5.0.1-RC1-193-gad11756 documentation</span></a></span></div>
<div class="yiv9791958291" id="yiv9791958291yui_3_16_0_1_1457427248317_38002" style="margin-bottom:0.0001pt;line-height:15pt;"><span class="yiv9791958291" id="yiv9791958291yui_3_16_0_1_1457427248317_38004" style="font-size:10.0pt;">Docs » Index
paraview.simple.PythonAnnotation paraview.simple.PythonAnnotation
paraview.simple.PythonAnnotation(*input, **params) This filter uses Python to
calculate an expression. It</span></div>
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<div class="yiv9791958291" id="yiv9791958291yui_3_16_0_1_1457427248317_38078" style="margin:1.2pt 0cm;"><span class="yiv9791958291" id="yiv9791958291yui_3_16_0_1_1457427248317_38080" style="font-size:12pt;font-family:Verdana, sans-serif;"> </span></div>
<div class="yiv9791958291" id="yiv9791958291yui_3_16_0_1_1457427248317_37880" style="margin:1.2pt 0cm;"><span class="yiv9791958291" id="yiv9791958291yui_3_16_0_1_1457427248317_37879" style="font-size:12pt;font-family:Verdana, sans-serif;">It says that I need to set the input which
I didn't know how to do it since it doesn't ask for any input in the Properties
Panel. Any solutions for this problem ??</span></div>
<div class="yiv9791958291" id="yiv9791958291yui_3_16_0_1_1457427248317_38086" style="margin:1.2pt 0cm;"><span class="yiv9791958291" id="yiv9791958291yui_3_16_0_1_1457427248317_38088" style="font-size:12pt;font-family:Verdana, sans-serif;"> </span></div>
<div class="yiv9791958291" id="yiv9791958291yui_3_16_0_1_1457427248317_38090" style="margin:1.2pt 0cm;"><span class="yiv9791958291" id="yiv9791958291yui_3_16_0_1_1457427248317_38092" style="font-size:12pt;font-family:Verdana, sans-serif;">In this expression algs.sum(algs.volume(inputs[</span><b class="yiv9791958291" id="yiv9791958291yui_3_16_0_1_1457427248317_38094"><i class="yiv9791958291" id="yiv9791958291yui_3_16_0_1_1457427248317_38096"><span class="yiv9791958291" id="yiv9791958291yui_3_16_0_1_1457427248317_38098" style="font-size:12.0pt;">0</span></i></b><span class="yiv9791958291" id="yiv9791958291yui_3_16_0_1_1457427248317_38100" style="font-size:12pt;font-family:Verdana, sans-serif;">])), what
does the </span><b class="yiv9791958291" id="yiv9791958291yui_3_16_0_1_1457427248317_38102"><i class="yiv9791958291" id="yiv9791958291yui_3_16_0_1_1457427248317_38104"><span class="yiv9791958291" id="yiv9791958291yui_3_16_0_1_1457427248317_38106" style="font-size:12.0pt;">0 </span></i></b><span class="yiv9791958291" id="yiv9791958291yui_3_16_0_1_1457427248317_38108" style="font-size:12pt;font-family:Verdana, sans-serif;"> stands for ? </span></div>
<div class="yiv9791958291" id="yiv9791958291yui_3_16_0_1_1457427248317_38112" style="margin:1.2pt 0cm;"><span class="yiv9791958291" id="yiv9791958291yui_3_16_0_1_1457427248317_38114" style="font-size:12pt;font-family:Verdana, sans-serif;"> </span></div>
<div class="yiv9791958291" id="yiv9791958291yui_3_16_0_1_1457427248317_38116" style="margin:1.2pt 0cm;"><span class="yiv9791958291" id="yiv9791958291yui_3_16_0_1_1457427248317_38118" style="font-size:12pt;font-family:Verdana, sans-serif;">I think if I threshold the domain in which I
want to calculate the volume of water, let's say between 0.5 and 1, then I will
end up by inaccurate water volume because I am including volume of air in the
computed volume and on the other hand I am ignoring the cells that contain less
than 0.5 of water.</span></div>
<div class="yiv9791958291" id="yiv9791958291yui_3_16_0_1_1457427248317_38122" style="margin:1.2pt 0cm;"><span class="yiv9791958291" id="yiv9791958291yui_3_16_0_1_1457427248317_38124" style="font-size:12pt;font-family:Verdana, sans-serif;"> </span></div>
<div class="yiv9791958291" id="yiv9791958291yui_3_16_0_1_1457427248317_38126" style="margin:1.2pt 0cm;"><span class="yiv9791958291" id="yiv9791958291yui_3_16_0_1_1457427248317_38128" style="font-size:12pt;font-family:Verdana, sans-serif;">That's why, I am looking for an algorithm that multiply
every cell containing water by the coefficient alpha water. You find attached
in picture 6, an example of how I want to calculate the water volume. I don't
know how to program it.</span></div>
<div class="yiv9791958291" id="yiv9791958291yui_3_16_0_1_1457427248317_38132" style="margin:1.2pt 0cm;"><span class="yiv9791958291" id="yiv9791958291yui_3_16_0_1_1457427248317_38134" style="font-size:12pt;font-family:Verdana, sans-serif;"> </span></div>
<div class="yiv9791958291" id="yiv9791958291yui_3_16_0_1_1457427248317_38136" style="margin:1.2pt 0cm;"><span class="yiv9791958291" id="yiv9791958291yui_3_16_0_1_1457427248317_38138" style="font-size:12pt;font-family:Verdana, sans-serif;">Any helps concerning this matter will be very
much appreciated.</span></div>
<div class="yiv9791958291" id="yiv9791958291yui_3_16_0_1_1457427248317_38142" style="margin:1.2pt 0cm;"><span class="yiv9791958291" id="yiv9791958291yui_3_16_0_1_1457427248317_38144" style="font-size:12pt;font-family:Verdana, sans-serif;">Regards,</span></div>
<div class="yiv9791958291" id="yiv9791958291yui_3_16_0_1_1457427248317_38148" style="margin:1.2pt 0cm;"><span class="yiv9791958291" id="yiv9791958291yui_3_16_0_1_1457427248317_38150" style="font-size:12pt;font-family:Verdana, sans-serif;">Islem Megdiche</span></div>
<div class="yiv9791958291" dir="ltr" id="yiv9791958291yui_3_16_0_1_1457427248317_38154" style="margin:1.2pt 0cm;"><span class="yiv9791958291" id="yiv9791958291yui_3_16_0_1_1457427248317_38156" style="font-size:12pt;font-family:Verdana, sans-serif;">PhD student</span></div></div><div class="yiv9791958291qtdSeparateBR"><br clear="none"><br clear="none"></div><div class="yiv9791958291yqt8643685464" id="yiv9791958291yqt27829"></div></div></div></div><div class="yiv9791958291yqt8743809113" id="yiv9791958291yqt15765"><div> <div style="font-family:verdana, helvetica, sans-serif;font-size:16px;"> <div style="font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:16px;"> <div dir="ltr"><font size="2" face="Arial"> Le Mardi 23 février 2016 14h21, Cory Quammen <cory.quammen@kitware.com> a écrit :<br clear="none"></font></div> <br clear="none"><br clear="none"> <div class="yiv9791958291y_msg_container">Hi Islem,<br clear="none"><br clear="none">Please reply-all to keep the discussion on the list so that others may<br clear="none">benefit from the discussion.<br clear="none"><br clear="none">First, is there a data array that describes whether a volume element<br clear="none">in your mesh contains water or some other element? If so, you can use<br clear="none">the Threshold filter under the Filters -> Alphabetical -> Threshold<br clear="none">menu to select only the elements representing water. You will have to<br clear="none">set the minimum and maximum to the value that represents water, then<br clear="none">click Apply.<br clear="none"><br clear="none">HTH,<br clear="none">Cory<br clear="none"><br clear="none">On Mon, Feb 22, 2016 at 1:14 PM, Megdich Islem <<a rel="nofollow" shape="rect" ymailto="mailto:megdich_islem@yahoo.fr" target="_blank" href="mailto:megdich_islem@yahoo.fr">megdich_islem@yahoo.fr</a>> wrote:<br clear="none">> Hi again,<br clear="none">><br clear="none">> Thank you for your suggestion, Could you please explain how to do the first<br clear="none">> step because I am not the one who created the picture I sent you before.<br clear="none">><br clear="none">> Regards,<br clear="none">> Islem<br clear="none">><br clear="none">><br clear="none">> Le Lundi 22 février 2016 16h45, Megdich Islem <<a rel="nofollow" shape="rect" ymailto="mailto:megdich_islem@yahoo.fr" target="_blank" href="mailto:megdich_islem@yahoo.fr">megdich_islem@yahoo.fr</a>> a<br clear="none">> écrit :<br clear="none">><br clear="none">><br clear="none">> Thank you for your reply. I will try your suggestions.<br clear="none">><br clear="none">> Regards,<br clear="none">> Islem<br clear="none">><br clear="none">><br clear="none">> Le Lundi 22 février 2016 14h22, Cory Quammen <<a rel="nofollow" shape="rect" ymailto="mailto:cory.quammen@kitware.com" target="_blank" href="mailto:cory.quammen@kitware.com">cory.quammen@kitware.com</a>> a<br clear="none">> écrit :<br clear="none">><br clear="none">><br clear="none">> Islem,<br clear="none">><br clear="none">> There are likely two steps:<br clear="none">><br clear="none">> 1). Threshold your volume to identify only the water-containing cells.<br clear="none">> It looks like you have a way to do this already?<br clear="none">><br clear="none">> 2). Compute the volumes of the water-containing cells and summing them up.<br clear="none">><br clear="none">> You can use the Threshold filter to do number 1 if you have a material<br clear="none">> code in the cell data. To compute the volume of the cells, add a<br clear="none">> Python Annotation filter to the Threshold filter. Set the Expression<br clear="none">> to<br clear="none">><br clear="none">> algs.sum(algs.volume(inputs[0]))<br clear="none">><br clear="none">> This uses the numpy-like interface in the Python layer to compute the<br clear="none">> volumes of the cells and sum them all up. The Python Annotation filter<br clear="none">> should display the volume with a text label in your renderer.<br clear="none">><br clear="none">> Hope this helps,<br clear="none">> Cory<br clear="none">><br clear="none">> On Mon, Feb 22, 2016 at 9:09 AM, Megdich Islem <<a rel="nofollow" shape="rect" ymailto="mailto:megdich_islem@yahoo.fr" target="_blank" href="mailto:megdich_islem@yahoo.fr">megdich_islem@yahoo.fr</a>><br clear="none">> wrote:<br clear="none">>> Hi Cory,<br clear="none">>><br clear="none">>> Thank you very much for your prompt reply. I've attached here a picture<br clear="none">>> that<br clear="none">>> illustrates my problem. I am working on the break of bund walls and I want<br clear="none">>> to compute the volume of water that overtops the bund wall (walls<br clear="none">>> surrounding storage tank), after the solution reaches the steady state.<br clear="none">>><br clear="none">>> Regards,<br clear="none">>> Islem<br clear="none">>><br clear="none">>><br clear="none">>> Le Lundi 22 février 2016 13h53, Cory Quammen <<a rel="nofollow" shape="rect" ymailto="mailto:cory.quammen@kitware.com" target="_blank" href="mailto:cory.quammen@kitware.com">cory.quammen@kitware.com</a>> a<br clear="none">>> écrit :<br clear="none">>><br clear="none">>><br clear="none">>> Hi Islem,<br clear="none">>><br clear="none">>> This is the place to ask ParaView questions! There is some activity on<br clear="none">>> StackOverflow, but most people ask questions on this mailing list.<br clear="none">>><br clear="none">>> Could you clarify what you want to compute? Do you just want to subset<br clear="none">>> a volume mesh and display the results over time? Do you want to<br clear="none">>> compute one quantity and display it as a graph over time? Do you want<br clear="none">>> to compute a single number from a time series data set?<br clear="none">>><br clear="none">>> Thanks,<br clear="none">>> Cory<br clear="none">>><br clear="none">>> On Mon, Feb 22, 2016 at 8:48 AM, Megdich Islem <<a rel="nofollow" shape="rect" ymailto="mailto:megdich_islem@yahoo.fr" target="_blank" href="mailto:megdich_islem@yahoo.fr">megdich_islem@yahoo.fr</a>><br clear="none">>> wrote:<br clear="none">>>> Hello,<br clear="none">>>><br clear="none">>>> I am new to paraview, and I didn't find a forum under paraview website to<br clear="none">>>> ask my question.<br clear="none">>>> My question is is there any filter in paraview that lets to compute the<br clear="none">>>> evolution of a quantity within a specific volume of the mesh.<br clear="none">>>><br clear="none">>>> Regards,<br clear="none">>>> Islem<br clear="none">>>><br clear="none">>>> _______________________________________________<br clear="none">>>> Powered by www.kitware.com<br clear="none">>>><br clear="none">>>> Visit other Kitware open-source projects at<br clear="none">>>> <a rel="nofollow" shape="rect" target="_blank" href="http://www.kitware.com/opensource/opensource.html">http://www.kitware.com/opensource/opensource.html</a><br clear="none">>>><br clear="none">>>> Please keep messages on-topic and check the ParaView Wiki at:<br clear="none">>>> <a rel="nofollow" shape="rect" target="_blank" href="http://paraview.org/Wiki/ParaView">http://paraview.org/Wiki/ParaView</a><br clear="none">>>><br clear="none">>>> Search the list archives at: <a rel="nofollow" shape="rect" target="_blank" href="http://markmail.org/search/?q=ParaView">http://markmail.org/search/?q=ParaView</a><br clear="none">>>><br clear="none">>>> Follow this link to subscribe/unsubscribe:<br clear="none">>>> <a rel="nofollow" shape="rect" target="_blank" href="http://public.kitware.com/mailman/listinfo/paraview">http://public.kitware.com/mailman/listinfo/paraview</a><br clear="none">>><br clear="none">>>><br clear="none">>><br clear="none">>><br clear="none">>><br clear="none">>> --<br clear="none">>> Cory Quammen<br clear="none">>> R&D Engineer<br clear="none">>> Kitware, Inc.<div class="yiv9791958291yqt8147092885" id="yiv9791958291yqtfd61852"><br clear="none">><br clear="none">>><br clear="none">>><br clear="none">>><br clear="none">><br clear="none">><br clear="none">><br clear="none">> --<br clear="none">> Cory Quammen<br clear="none">> R&D Engineer<br clear="none">> Kitware, Inc.<br clear="none">><br clear="none">><br clear="none">><br clear="none">><br clear="none"><br clear="none"><br clear="none"><br clear="none">-- <br clear="none">Cory Quammen<br clear="none">R&D Engineer<br clear="none">Kitware, Inc.</div><br clear="none"><br clear="none"></div> </div> </div> </div></div></div></div></div><br><br></div> </div> </div> </div></div></body></html>