Peter Dvorcak | 25 Oct 10:54 2014
Picon

[Delaunay 3D]

Hello everyone, I have object like in the picture above, it is created from x,y,z points that are loaded from excel.

I need to create a body with rigid surface, I have used Delaunay 3D filter and the result is good but not perfect.

 

 

The problem is with this white linse and also at some places there are holes in surface. Is there any way how to make this surface smoother ?? I have tried to change Delaunay parameters but this is the best I was able to obtain. Do you have any suggestions how to make it better ?

 

S pozdravom/Best regards

 

Peter Dvorčák

 

<div><div class="WordSection1">
<p class="MsoNormal"><span></span><p></p></p>
<p class="MsoNormal">Hello everyone, I have object like in the picture above, it is created from x,y,z points that are loaded from excel.<p></p></p>
<p class="MsoNormal">I need to create a body with rigid surface, I have used Delaunay 3D filter and the result is good but not perfect. <p></p></p>
<p class="MsoNormal"><p>&nbsp;</p></p>
<p class="MsoNormal"><span></span><p></p></p>
<p class="MsoNormal"><span><p>&nbsp;</p></span></p>
<p class="MsoNormal"><span>The problem is with this white linse and also at some places there are holes in surface. Is there any way how to make this surface smoother ?? I have tried to change Delaunay parameters but this is the best I was able to obtain. Do you have any suggestions how to make it better ? <p></p></span></p>
<p class="MsoNormal"><span><p>&nbsp;</p></span></p>
<p class="MsoNormal"><span>S pozdravom/Best regards<p></p></span></p>
<p class="MsoNormal"><span><p>&nbsp;</p></span></p>
<p class="MsoNormal"><span>Peter Dvor&#269;&aacute;k<p></p></span></p>
<p class="MsoNormal"><p>&nbsp;</p></p>
</div></div>
Matei Stroila | 24 Oct 22:20 2014
Picon

PointSprite_Plugin not displaying textures on ParaView 4.2.0 Mac OSX 10.10

Hi, 

I believe this is a bug:
The PointSprite_Plugin with ParaView 4.2.0  does not display textures  (same textures that  ParaView 4.1.0
can display on same machine with OS X 10.10. .) 
The texture seems to be loaded but it is not displayed. 

I used the release from this
link:
http://www.paraview.org/paraview-downloads/download.php?submit=Download&version=v4.2&type=binary&os=osx&downloadFile=ParaView-4.2.0-Darwin-64bit.dmg 

Same behavior with ParaView built on the same machine from the ParaView 4.2.0 sources. 

Thanks, 
Matei

accessing parallel xdmf3 writer

Hello,

I used the python script below to convert pvd format into xmf file with xdmf3 enable ParaView that I compiled. The writer is working if I run it in serial (pvbatch pvd_to_xmf.py pvd/mvf2.pvd)
.
How do I access to xmf parallel writer?  I am getting the following error

vtkSMWriterFactory (0x66c5d0): No matching writer found for extension: xmf

if I run the script with

aprun -n 12 pvbatch pvd_to_xmf.py pvd/mvf2.pvd


thank you in advanced for your help.

thanks
-simon

================ pvbatch pvd_to_xmf.py ==========
#### import the simple module from the paraview
import sys
try: paraview.simple
except: from paraview.simple import *

#### get the filename from command line
fileName = str(sys.argv[1])

print "Reading " + fileName
#### reading pvd file
mvfpvd = PVDReader(FileName=fileName)

#### create output file name
(prefix, sep, suffix) = fileName.rpartition('.')
ofileName = prefix + '.xmf'

print "Writing xmf output file to " + ofileName

#### create output file
SaveData(ofileName, proxy=mvfpvd, WriteAllTimeSteps=1)


<div>
<div>Hello,<br><br>
I used the python script below to convert pvd format into xmf file with xdmf3 enable ParaView that I compiled. The writer is working if I run it in serial (pvbatch pvd_to_xmf.py pvd/mvf2.pvd)<br>
. <br>
How do I access to xmf parallel writer?&nbsp; I am getting the following error<br><br>
vtkSMWriterFactory (0x66c5d0): No matching writer found for extension: xmf <br><br>
if I run the script with <br><br>
aprun -n 12 pvbatch pvd_to_xmf.py pvd/mvf2.pvd<br><br><br>
thank you in advanced for your help. <br><br>
thanks<br>
-simon<br><br>
================ pvbatch pvd_to_xmf.py ==========<br>
#### import the simple module from the paraview<br>
import sys<br>
try: paraview.simple<br>
except: from paraview.simple import *<br><br>
#### get the filename from command line<br>
fileName = str(sys.argv[1])<br><br>
print "Reading " + fileName<br>
#### reading pvd file<br>
mvfpvd = PVDReader(FileName=fileName)<br><br>
#### create output file name<br>
(prefix, sep, suffix) = fileName.rpartition('.')<br>
ofileName = prefix + '.xmf'<br><br>
print "Writing xmf output file to " + ofileName<br><br>
#### create output file<br>
SaveData(ofileName, proxy=mvfpvd, WriteAllTimeSteps=1)<br><br><br>
</div>
</div>

loading multiple pvd files - create an xml vtp file that will load all the vtp files

Hello,

Please see below for a list of file that I write to vtp format in parallel. So the number of files I get is dependent on how many processes I used to write the data out. When loading the pieces,

Material-volume-fraction---1_Merged_000.vtp ..... Material-volume-fraction---1_Merged_030.vtp

ParaView loader is intelligent enough to group the files into 1 file group that I can click to load them.

However, in some cases the file grouping are not available to me and I end up having to click on all the files pieces to load the whole visualization piece that I am interested in. From the

Material-volume-fraction---1_Merged_000.vtp xml format, I can see that it is loading all the pieces in

files Material-volume-fraction---1_Merged_000_0.vtp  .. Material-volume-fraction---1_Merged_000_3.vtp

how can I write a Material-volume-fraction---1_Merged.vtp file that has all the pieces spread out in the files

Material-volume-fraction---1_Merged_000.vtp ..... Material-volume-fraction---1_Merged_030.vtp ?

Are there utility that I can use to generate the vtp xml file? or I have to code it up by hand?

Any help is much appreciated

thanks
-simon


====================================================================================

-rw------- 1 simonsm users     1194 May 23 13:18 Material-volume-fraction---1_Merged_000.vtp
-rw------- 1 simonsm users  2387349 May 23 13:18 Material-volume-fraction---1_Merged_000_0.vtp
-rw------- 1 simonsm users  1778725 May 23 13:18 Material-volume-fraction---1_Merged_000_1.vtp
-rw------- 1 simonsm users     2805 May 23 13:18 Material-volume-fraction---1_Merged_000_2.vtp
-rw------- 1 simonsm users     2805 May 23 13:18 Material-volume-fraction---1_Merged_000_3.vtp
-rw------- 1 simonsm users     1194 May 23 13:18 Material-volume-fraction---1_Merged_001.vtp
-rw------- 1 simonsm users   276919 May 23 13:18 Material-volume-fraction---1_Merged_001_0.vtp
-rw------- 1 simonsm users   255538 May 23 13:18 Material-volume-fraction---1_Merged_001_1.vtp
-rw------- 1 simonsm users   283476 May 23 13:18 Material-volume-fraction---1_Merged_001_2.vtp
-rw------- 1 simonsm users   248965 May 23 13:18 Material-volume-fraction---1_Merged_001_3.vtp
-rw------- 1 simonsm users     1194 May 23 13:18 Material-volume-fraction---1_Merged_002.vtp
-rw------- 1 simonsm users   294932 May 23 13:18 Material-volume-fraction---1_Merged_002_0.vtp
-rw------- 1 simonsm users   236913 May 23 13:18 Material-volume-fraction---1_Merged_002_1.vtp
-rw------- 1 simonsm users   286037 May 23 13:18 Material-volume-fraction---1_Merged_002_2.vtp
-rw------- 1 simonsm users   246192 May 23 13:18 Material-volume-fraction---1_Merged_002_3.vtp
-rw------- 1 simonsm users     1194 May 23 13:18 Material-volume-fraction---1_Merged_003.vtp
-rw------- 1 simonsm users   308410 May 23 13:18 Material-volume-fraction---1_Merged_003_0.vtp
-rw------- 1 simonsm users   224929 May 23 13:18 Material-volume-fraction---1_Merged_003_1.vtp
-rw------- 1 simonsm users   311348 May 23 13:18 Material-volume-fraction---1_Merged_003_2.vtp
-rw------- 1 simonsm users   222535 May 23 13:18 Material-volume-fraction---1_Merged_003_3.vtp
-rw------- 1 simonsm users     1194 May 23 13:18 Material-volume-fraction---1_Merged_004.vtp
-rw------- 1 simonsm users   316539 May 23 13:18 Material-volume-fraction---1_Merged_004_0.vtp
-rw------- 1 simonsm users   218368 May 23 13:18 Material-volume-fraction---1_Merged_004_1.vtp
-rw------- 1 simonsm users   319790 May 23 13:18 Material-volume-fraction---1_Merged_004_2.vtp
-rw------- 1 simonsm users   215373 May 23 13:18 Material-volume-fraction---1_Merged_004_3.vtp
-rw------- 1 simonsm users     1194 May 23 13:18 Material-volume-fraction---1_Merged_005.vtp
-rw------- 1 simonsm users   317601 May 23 13:18 Material-volume-fraction---1_Merged_005_0.vtp
-rw------- 1 simonsm users   207750 May 23 13:18 Material-volume-fraction---1_Merged_005_1.vtp
-rw------- 1 simonsm users   305459 May 23 13:18 Material-volume-fraction---1_Merged_005_2.vtp
-rw------- 1 simonsm users   219908 May 23 13:18 Material-volume-fraction---1_Merged_005_3.vtp
-rw------- 1 simonsm users     1194 May 23 13:18 Material-volume-fraction---1_Merged_006.vtp
-rw------- 1 simonsm users   328800 May 23 13:18 Material-volume-fraction---1_Merged_006_0.vtp
-rw------- 1 simonsm users   215271 May 23 13:18 Material-volume-fraction---1_Merged_006_1.vtp
-rw------- 1 simonsm users   323746 May 23 13:18 Material-volume-fraction---1_Merged_006_2.vtp
-rw------- 1 simonsm users   220650 May 23 13:18 Material-volume-fraction---1_Merged_006_3.vtp
-rw------- 1 simonsm users     1194 May 23 13:18 Material-volume-fraction---1_Merged_007.vtp
-rw------- 1 simonsm users   352780 May 23 13:18 Material-volume-fraction---1_Merged_007_0.vtp
-rw------- 1 simonsm users   224689 May 23 13:18 Material-volume-fraction---1_Merged_007_1.vtp
-rw------- 1 simonsm users   353205 May 23 13:18 Material-volume-fraction---1_Merged_007_2.vtp
-rw------- 1 simonsm users   225473 May 23 13:18 Material-volume-fraction---1_Merged_007_3.vtp
-rw------- 1 simonsm users     1194 May 23 13:18 Material-volume-fraction---1_Merged_008.vtp
-rw------- 1 simonsm users   411938 May 23 13:18 Material-volume-fraction---1_Merged_008_0.vtp
-rw------- 1 simonsm users   252460 May 23 13:18 Material-volume-fraction---1_Merged_008_1.vtp
-rw------- 1 simonsm users   354602 May 23 13:18 Material-volume-fraction---1_Merged_008_2.vtp
-rw------- 1 simonsm users   247965 May 23 13:18 Material-volume-fraction---1_Merged_008_3.vtp
-rw------- 1 simonsm users     1194 May 23 13:18 Material-volume-fraction---1_Merged_009.vtp
-rw------- 1 simonsm users   474651 May 23 13:18 Material-volume-fraction---1_Merged_009_0.vtp
-rw------- 1 simonsm users   261574 May 23 13:18 Material-volume-fraction---1_Merged_009_1.vtp
-rw------- 1 simonsm users   490329 May 23 13:18 Material-volume-fraction---1_Merged_009_2.vtp
-rw------- 1 simonsm users   186282 May 23 13:18 Material-volume-fraction---1_Merged_009_3.vtp
-rw------- 1 simonsm users     1194 May 23 13:18 Material-volume-fraction---1_Merged_010.vtp
-rw------- 1 simonsm users   535644 May 23 13:18 Material-volume-fraction---1_Merged_010_0.vtp
-rw------- 1 simonsm users   283020 May 23 13:18 Material-volume-fraction---1_Merged_010_1.vtp
-rw------- 1 simonsm users   538664 May 23 13:18 Material-volume-fraction---1_Merged_010_2.vtp
-rw------- 1 simonsm users   205897 May 23 13:18 Material-volume-fraction---1_Merged_010_3.vtp
-rw------- 1 simonsm users     1194 May 23 13:18 Material-volume-fraction---1_Merged_011.vtp
-rw------- 1 simonsm users   561044 May 23 13:18 Material-volume-fraction---1_Merged_011_0.vtp
-rw------- 1 simonsm users   312516 May 23 13:18 Material-volume-fraction---1_Merged_011_1.vtp
-rw------- 1 simonsm users   563540 May 23 13:18 Material-volume-fraction---1_Merged_011_2.vtp
-rw------- 1 simonsm users   310835 May 23 13:18 Material-volume-fraction---1_Merged_011_3.vtp
-rw------- 1 simonsm users     1194 May 23 13:18 Material-volume-fraction---1_Merged_012.vtp
-rw------- 1 simonsm users   627747 May 23 13:18 Material-volume-fraction---1_Merged_012_0.vtp
-rw------- 1 simonsm users   341561 May 23 13:18 Material-volume-fraction---1_Merged_012_1.vtp
-rw------- 1 simonsm users   626824 May 23 13:18 Material-volume-fraction---1_Merged_012_2.vtp
-rw------- 1 simonsm users   340930 May 23 13:18 Material-volume-fraction---1_Merged_012_3.vtp
-rw------- 1 simonsm users     1194 May 23 13:18 Material-volume-fraction---1_Merged_013.vtp
-rw------- 1 simonsm users   690196 May 23 13:18 Material-volume-fraction---1_Merged_013_0.vtp
-rw------- 1 simonsm users   383751 May 23 13:18 Material-volume-fraction---1_Merged_013_1.vtp
-rw------- 1 simonsm users   682791 May 23 13:18 Material-volume-fraction---1_Merged_013_2.vtp
-rw------- 1 simonsm users   374141 May 23 13:18 Material-volume-fraction---1_Merged_013_3.vtp
-rw------- 1 simonsm users     1194 May 23 13:18 Material-volume-fraction---1_Merged_014.vtp
-rw------- 1 simonsm users   771537 May 23 13:18 Material-volume-fraction---1_Merged_014_0.vtp
-rw------- 1 simonsm users   395242 May 23 13:18 Material-volume-fraction---1_Merged_014_1.vtp
-rw------- 1 simonsm users   631732 May 23 13:18 Material-volume-fraction---1_Merged_014_2.vtp
-rw------- 1 simonsm users   496985 May 23 13:18 Material-volume-fraction---1_Merged_014_3.vtp
-rw------- 1 simonsm users     1194 May 23 13:18 Material-volume-fraction---1_Merged_015.vtp
-rw------- 1 simonsm users   851331 May 23 13:18 Material-volume-fraction---1_Merged_015_0.vtp
-rw------- 1 simonsm users   421645 May 23 13:18 Material-volume-fraction---1_Merged_015_1.vtp
-rw------- 1 simonsm users   644639 May 23 13:18 Material-volume-fraction---1_Merged_015_2.vtp
-rw------- 1 simonsm users   572823 May 23 13:18 Material-volume-fraction---1_Merged_015_3.vtp
-rw------- 1 simonsm users     1194 May 23 13:18 Material-volume-fraction---1_Merged_016.vtp
-rw------- 1 simonsm users   844784 May 23 13:18 Material-volume-fraction---1_Merged_016_0.vtp
-rw------- 1 simonsm users   501078 May 23 13:18 Material-volume-fraction---1_Merged_016_1.vtp
-rw------- 1 simonsm users   793161 May 23 13:18 Material-volume-fraction---1_Merged_016_2.vtp
-rw------- 1 simonsm users   512324 May 23 13:18 Material-volume-fraction---1_Merged_016_3.vtp
-rw------- 1 simonsm users     1194 May 23 13:18 Material-volume-fraction---1_Merged_017.vtp
-rw------- 1 simonsm users   919813 May 23 13:18 Material-volume-fraction---1_Merged_017_0.vtp
-rw------- 1 simonsm users   522214 May 23 13:18 Material-volume-fraction---1_Merged_017_1.vtp
-rw------- 1 simonsm users   841893 May 23 13:18 Material-volume-fraction---1_Merged_017_2.vtp
-rw------- 1 simonsm users   543854 May 23 13:18 Material-volume-fraction---1_Merged_017_3.vtp
-rw------- 1 simonsm users     1194 May 23 13:18 Material-volume-fraction---1_Merged_018.vtp
-rw------- 1 simonsm users   935025 May 23 13:18 Material-volume-fraction---1_Merged_018_0.vtp
-rw------- 1 simonsm users   558037 May 23 13:18 Material-volume-fraction---1_Merged_018_1.vtp
-rw------- 1 simonsm users   891893 May 23 13:18 Material-volume-fraction---1_Merged_018_2.vtp
-rw------- 1 simonsm users   593873 May 23 13:18 Material-volume-fraction---1_Merged_018_3.vtp
-rw------- 1 simonsm users     1194 May 23 13:18 Material-volume-fraction---1_Merged_019.vtp
-rw------- 1 simonsm users  1032963 May 23 13:18 Material-volume-fraction---1_Merged_019_0.vtp
-rw------- 1 simonsm users   533044 May 23 13:18 Material-volume-fraction---1_Merged_019_1.vtp
-rw------- 1 simonsm users  1022794 May 23 13:18 Material-volume-fraction---1_Merged_019_2.vtp
-rw------- 1 simonsm users   574583 May 23 13:18 Material-volume-fraction---1_Merged_019_3.vtp
-rw------- 1 simonsm users     1194 May 23 13:18 Material-volume-fraction---1_Merged_020.vtp
-rw------- 1 simonsm users  1076039 May 23 13:18 Material-volume-fraction---1_Merged_020_0.vtp
-rw------- 1 simonsm users   549074 May 23 13:18 Material-volume-fraction---1_Merged_020_1.vtp
-rw------- 1 simonsm users   987766 May 23 13:18 Material-volume-fraction---1_Merged_020_2.vtp
-rw------- 1 simonsm users   718499 May 23 13:18 Material-volume-fraction---1_Merged_020_3.vtp
-rw------- 1 simonsm users     1194 May 23 13:18 Material-volume-fraction---1_Merged_021.vtp
-rw------- 1 simonsm users  1170888 May 23 13:18 Material-volume-fraction---1_Merged_021_0.vtp
-rw------- 1 simonsm users   576954 May 23 13:18 Material-volume-fraction---1_Merged_021_1.vtp
-rw------- 1 simonsm users  1167430 May 23 13:18 Material-volume-fraction---1_Merged_021_2.vtp
-rw------- 1 simonsm users   576311 May 23 13:18 Material-volume-fraction---1_Merged_021_3.vtp
-rw------- 1 simonsm users     1194 May 23 13:18 Material-volume-fraction---1_Merged_022.vtp
-rw------- 1 simonsm users  1220152 May 23 13:18 Material-volume-fraction---1_Merged_022_0.vtp
-rw------- 1 simonsm users   599996 May 23 13:18 Material-volume-fraction---1_Merged_022_1.vtp
-rw------- 1 simonsm users  1217851 May 23 13:18 Material-volume-fraction---1_Merged_022_2.vtp
-rw------- 1 simonsm users   602726 May 23 13:18 Material-volume-fraction---1_Merged_022_3.vtp
-rw------- 1 simonsm users     1194 May 23 13:18 Material-volume-fraction---1_Merged_023.vtp
-rw------- 1 simonsm users  1273128 May 23 13:18 Material-volume-fraction---1_Merged_023_0.vtp
-rw------- 1 simonsm users   621312 May 23 13:18 Material-volume-fraction---1_Merged_023_1.vtp
-rw------- 1 simonsm users  1243798 May 23 13:18 Material-volume-fraction---1_Merged_023_2.vtp
-rw------- 1 simonsm users   652838 May 23 13:18 Material-volume-fraction---1_Merged_023_3.vtp
-rw------- 1 simonsm users     1194 May 23 13:18 Material-volume-fraction---1_Merged_024.vtp
-rw------- 1 simonsm users  1170259 May 23 13:18 Material-volume-fraction---1_Merged_024_0.vtp
-rw------- 1 simonsm users   641654 May 23 13:18 Material-volume-fraction---1_Merged_024_1.vtp
-rw------- 1 simonsm users  1396175 May 23 13:18 Material-volume-fraction---1_Merged_024_2.vtp
-rw------- 1 simonsm users   728459 May 23 13:18 Material-volume-fraction---1_Merged_024_3.vtp
-rw------- 1 simonsm users     1194 May 23 13:18 Material-volume-fraction---1_Merged_025.vtp
-rw------- 1 simonsm users  1203867 May 23 13:18 Material-volume-fraction---1_Merged_025_0.vtp
-rw------- 1 simonsm users   663060 May 23 13:18 Material-volume-fraction---1_Merged_025_1.vtp
-rw------- 1 simonsm users  1445490 May 23 13:18 Material-volume-fraction---1_Merged_025_2.vtp
-rw------- 1 simonsm users   744663 May 23 13:18 Material-volume-fraction---1_Merged_025_3.vtp
-rw------- 1 simonsm users     1194 May 23 13:18 Material-volume-fraction---1_Merged_026.vtp
-rw------- 1 simonsm users  1400281 May 23 13:18 Material-volume-fraction---1_Merged_026_0.vtp
-rw------- 1 simonsm users   678254 May 23 13:18 Material-volume-fraction---1_Merged_026_1.vtp
-rw------- 1 simonsm users  1318587 May 23 13:18 Material-volume-fraction---1_Merged_026_2.vtp
-rw------- 1 simonsm users   774407 May 23 13:18 Material-volume-fraction---1_Merged_026_3.vtp
-rw------- 1 simonsm users     1194 May 23 13:18 Material-volume-fraction---1_Merged_027.vtp
-rw------- 1 simonsm users  1452928 May 23 13:18 Material-volume-fraction---1_Merged_027_0.vtp
-rw------- 1 simonsm users   691845 May 23 13:18 Material-volume-fraction---1_Merged_027_1.vtp
-rw------- 1 simonsm users  1372582 May 23 13:18 Material-volume-fraction---1_Merged_027_2.vtp
-rw------- 1 simonsm users   774480 May 23 13:18 Material-volume-fraction---1_Merged_027_3.vtp
-rw------- 1 simonsm users     1194 May 23 13:18 Material-volume-fraction---1_Merged_028.vtp
-rw------- 1 simonsm users  1371912 May 23 13:18 Material-volume-fraction---1_Merged_028_0.vtp
-rw------- 1 simonsm users   707038 May 23 13:18 Material-volume-fraction---1_Merged_028_1.vtp
-rw------- 1 simonsm users  1375771 May 23 13:18 Material-volume-fraction---1_Merged_028_2.vtp
-rw------- 1 simonsm users   943017 May 23 13:18 Material-volume-fraction---1_Merged_028_3.vtp
-rw------- 1 simonsm users     1194 May 23 13:18 Material-volume-fraction---1_Merged_029.vtp
-rw------- 1 simonsm users  1423992 May 23 13:18 Material-volume-fraction---1_Merged_029_0.vtp
-rw------- 1 simonsm users   718310 May 23 13:18 Material-volume-fraction---1_Merged_029_1.vtp
-rw------- 1 simonsm users  1530159 May 23 13:18 Material-volume-fraction---1_Merged_029_2.vtp
-rw------- 1 simonsm users   808720 May 23 13:18 Material-volume-fraction---1_Merged_029_3.vtp
-rw------- 1 simonsm users     1194 May 23 13:18 Material-volume-fraction---1_Merged_030.vtp
-rw------- 1 simonsm users  1465504 May 23 13:18 Material-volume-fraction---1_Merged_030_0.vtp
-rw------- 1 simonsm users   725670 May 23 13:18 Material-volume-fraction---1_Merged_030_1.vtp
-rw------- 1 simonsm users  1577352 May 23 13:18 Material-volume-fraction---1_Merged_030_2.vtp
-rw------- 1 simonsm users   816794 May 23 13:18 Material-volume-fraction---1_Merged_030_3.vtp




<div>
<div>Hello,<br><br>
Please see below for a list of file that I write to vtp format in parallel. So the number of files I get is dependent on how many processes I used to write the data out. When loading the pieces,
<br><br>
Material-volume-fraction---1_Merged_000.vtp ..... Material-volume-fraction---1_Merged_030.vtp
<br><br>
ParaView loader is intelligent enough to group the files into 1 file group that I can click to load them.
<br><br>
However, in some cases the file grouping are not available to me and I end up having to click on all the files pieces to load the whole visualization piece that I am interested in. From the
<br><br>
Material-volume-fraction---1_Merged_000.vtp xml format, I can see that it is loading all the pieces in
<br><br>
files Material-volume-fraction---1_Merged_000_0.vtp&nbsp; .. Material-volume-fraction---1_Merged_000_3.vtp<br><br>
how can I write a Material-volume-fraction---1_Merged.vtp file that has all the pieces spread out in the files<br><br>
Material-volume-fraction---1_Merged_000.vtp ..... Material-volume-fraction---1_Merged_030.vtp ?<br><br>
Are there utility that I can use to generate the vtp xml file? or I have to code it up by hand?<br><br>
Any help is much appreciated<br><br>
thanks<br>
-simon<br><br><br>
====================================================================================<br><br>
-rw------- 1 simonsm users&nbsp;&nbsp;&nbsp;&nbsp; 1194 May 23 13:18 Material-volume-fraction---1_Merged_000.vtp<br>
-rw------- 1 simonsm users&nbsp; 2387349 May 23 13:18 Material-volume-fraction---1_Merged_000_0.vtp<br>
-rw------- 1 simonsm users&nbsp; 1778725 May 23 13:18 Material-volume-fraction---1_Merged_000_1.vtp<br>
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</div>
</div>
Scott Wittenburg | 23 Oct 17:26 2014

ScalarOpacityFunction property not set when saving python state

Hi all,

   Has anyone else noticed this recently?  At the bottom of this email is an example of some state I just saved, which seems to be missing the following line:

magnitudeDisplay.ScalarOpactiyFunction = splatterValuesPWF

   If this is a bug, I can enter a bug report.

Cheers,
Scott

<begin-saved-python-state>

# get color transfer function/color map for 'SplatterValues'
splatterValuesLUT = GetColorTransferFunction('SplatterValues')
splatterValuesLUT.RGBPoints = [0.0, 0.0, 0.0, 1.0, 
                               1211.3642578125, 0.0, 0.12549019607843137, 1.0, 
                               1338.4827880859375, 0.00392156862745098, 1.0, 0.0, 
                               1450.6461181640625, 1.0, 0.1568627450980392, 0.0, 
                               2205.8794212053426, 1.0, 0.0, 0.0]
splatterValuesLUT.ColorSpace = 'HSV'
splatterValuesLUT.NanColor = [0.498039, 0.498039, 0.498039]
splatterValuesLUT.ScalarRangeInitialized = 1.0

# get opacity transfer function/opacity map for 'SplatterValues'
splatterValuesPWF = GetOpacityTransferFunction('SplatterValues')
splatterValuesPWF.Points = [0.0, 0.0, 0.5, 0.0, 
                            0.0, 0.0, 0.5, 0.0, 
                            1001.99267578125, 0.0, 0.5, 0.0, 
                            1293.617431640625, 1.0, 0.5, 0.0, 
                            1674.9727783203125, 0.0, 0.5, 0.0, 
                            2205.87939453125, 0.0, 0.5, 0.0]
splatterValuesPWF.ScalarRangeInitialized = 1

# ----------------------------------------------------------------
# setup the visualization in view 'renderView1'
# ----------------------------------------------------------------

# show data from magnitude
magnitudeDisplay = Show(magnitude, renderView1)
# trace defaults for the display properties.
magnitudeDisplay.Representation = 'Volume'
magnitudeDisplay.ColorArrayName = ['POINTS', 'SplatterValues']
magnitudeDisplay.LookupTable = splatterValuesLUT
magnitudeDisplay.ScalarOpacityUnitDistance = 0.8868099940416558
magnitudeDisplay.Slice = 127

<end-saved-python-state>
<div><div dir="ltr">Hi all,<div><br></div>
<div>&nbsp; &nbsp;Has anyone else noticed this recently?&nbsp; At the bottom of this email is an example of some state I just saved, which seems to be missing the following line:</div>
<div><br></div>
<div>magnitudeDisplay.ScalarOpactiyFunction = splatterValuesPWF</div>
<div><br></div>
<div>&nbsp; &nbsp;If this is a bug, I can enter a bug report.</div>
<div><br></div>
<div>Cheers,</div>
<div>Scott</div>
<div><br></div>
<div>&lt;begin-saved-python-state&gt;</div>
<div><br></div>
<div>
<div># get color transfer function/color map for 'SplatterValues'</div>
<div>splatterValuesLUT = GetColorTransferFunction('SplatterValues')</div>
<div>splatterValuesLUT.RGBPoints = [0.0, 0.0, 0.0, 1.0,&nbsp;</div>
<div>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;1211.3642578125, 0.0, 0.12549019607843137, 1.0,&nbsp;</div>
<div>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;1338.4827880859375, 0.00392156862745098, 1.0, 0.0,&nbsp;</div>
<div>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;1450.6461181640625, 1.0, 0.1568627450980392, 0.0,&nbsp;</div>
<div>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;2205.8794212053426, 1.0, 0.0, 0.0]</div>
<div>splatterValuesLUT.ColorSpace = 'HSV'</div>
<div>splatterValuesLUT.NanColor = [0.498039, 0.498039, 0.498039]</div>
<div>splatterValuesLUT.ScalarRangeInitialized = 1.0</div>
<div><br></div>
<div># get opacity transfer function/opacity map for 'SplatterValues'</div>
<div>splatterValuesPWF = GetOpacityTransferFunction('SplatterValues')</div>
<div>splatterValuesPWF.Points = [0.0, 0.0, 0.5, 0.0,&nbsp;</div>
<div>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 0.0, 0.0, 0.5, 0.0,&nbsp;</div>
<div>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 1001.99267578125, 0.0, 0.5, 0.0,&nbsp;</div>
<div>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 1293.617431640625, 1.0, 0.5, 0.0,&nbsp;</div>
<div>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 1674.9727783203125, 0.0, 0.5, 0.0,&nbsp;</div>
<div>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 2205.87939453125, 0.0, 0.5, 0.0]</div>
<div>splatterValuesPWF.ScalarRangeInitialized = 1</div>
<div><br></div>
<div># ----------------------------------------------------------------</div>
<div># setup the visualization in view 'renderView1'</div>
<div># ----------------------------------------------------------------</div>
<div><br></div>
<div># show data from magnitude</div>
<div>magnitudeDisplay = Show(magnitude, renderView1)</div>
<div># trace defaults for the display properties.</div>
<div>magnitudeDisplay.Representation = 'Volume'</div>
<div>magnitudeDisplay.ColorArrayName = ['POINTS', 'SplatterValues']</div>
<div>magnitudeDisplay.LookupTable = splatterValuesLUT</div>
<div>magnitudeDisplay.ScalarOpacityUnitDistance = 0.8868099940416558</div>
<div>magnitudeDisplay.Slice = 127</div>
</div>
<div><br></div>
<div>&lt;end-saved-python-state&gt;</div>
</div></div>
Bogdan Daqui Herrera | 23 Oct 15:26 2014
Picon

Segmentation Fault when using the vtkPVDReader

Hello all,

I am attempting to write some code in c++ which uses the vtkPVDReader from the paraview library to read a
series of vtm files. However I am encountering some
problems and I am not sure whether there is something I am missing or whether this could be a bug.

I am trying to use the reader in the following manner:
My Code:
	vtkSmartPointer <vtkPVDReader> pReader = vtkPVDReader::New();
	pReader->SetForceOutputTypeToMultiBlock(1);
	pReader->SetFileName("/some/fileName.pvd");
	pReader->Update();
	vtkMultiBlockDataSet* pMultiBlockDataSet->DeepCopy(vtkMultiBlockDataSet::SafeDownCast(pReader->GetOutputDataObject(0)));

Error:
	The error occurs at Update() with the following result:
	ERROR: In /misc/dn47/SALOME/PRODUCTS/7x/opt/Ubuntu.13.10.64/7.4.0/tmp/ParaView-4.1.0_SRC/ParaViewCore/VTKExtensions/Default
	/vtkXMLCollectionReader.cxx, line 316
	vtkPVDReader (0x224d9e0): Error creating "vtkXMLMultiBlockDataReader" using vtkPVInstantiator.
	Segmentation fault

Possible error Source
The code concerning line 316 from vtkXMLCollectionReader.cxx is:

      // Use the instantiator to create the reader.
      vtkObject* o = vtkPVInstantiator::CreateInstance(rname);
      vtkXMLReader* reader = vtkXMLReader::SafeDownCast(o);
      this->Internal->Readers[index] = reader;
      if(reader)
        {
        reader->Delete();
        }
      else
        {
        // The class was not registered with the instantiator.
        vtkErrorMacro("Error creating \"" << rname
                      << "\" using vtkPVInstantiator.");
        if(o)
          {
          o->Delete();
          }
        }
      }

I have isolated the following lines and tested them independently:
      vtkObject* o = vtkPVInstantiator::CreateInstance(rname);
      vtkXMLReader* reader = vtkXMLReader::SafeDownCast(o);

The pointer "vtkObject* o" is NULL regardless of the class name I pass to instantiate, and I can imagine
something like that happening in the library, too and
causing the segmentation fault, when calling a SafeDownCast(o) (which is NULL).

Any suggestions on how to deal with this problem or if you would be so kind to point me to an example for an
alternative solution (Could be vtkFileSeriesReader,
but this fails, as well in my case) would be appreciated.

Kind Regards,
Bogdan

P.S.: Using the PVDReader from python code works flawlessly, which is also quite confusing, as to why it
would fail in the C++ code.

-- 
Bogdan Daqui
Software Development

SimScale GmbH
Lichtenbergstraße 8
85748 Garching bei München

Phone: +49 (0)89 3398 4078
Email: bdaqui <at> simscale.de

Amtsgericht München, HRB 201813
Geschäftsführer: Vincenz Dölle & David Heiny

http://www.simscale.de
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Burlen Loring | 23 Oct 15:31 2014
Picon

Re: artifacts in image data volume rendering

Hi Aashish,

Great! I've been seeing this bug for a long time going back at least to ParaView 3.8. It's image data, and I have used the ray cast only option in ParaView which in the end (via vtk smart volume mapper) corresponds to the vtk fixed point volume mapper. For this run I used 256 procs, I can share the data and a state file if it would help.

Burlen

On 10/23/2014 12:41 AM, Aashish Chaudhary wrote:
Burlen, 

this certainly looks like the parallel compositing issue to me and we have seen it before. Just to be clear what mapper you were using to generate this image?  I would love to track dow this issue and 
can certainly use your help here. 

- Aashish

On Wed, Oct 22, 2014 at 11:01 AM, Burlen Loring <burlen.loring <at> gmail.com> wrote:
Hi, I'm encountering what look like process boundaries in image data volume rendering. This is view dependent, only certain camera locations reveal the issue. In examples below these are "horizontal line" like artifacts. This data is large, and I have not been able to successfully volume render after tetrahedralizing it. I'm not sure if it's just insanely slow or there's a deadlock. My attempts have been up to 1024 procs with 8 per node (8 GB per proc), That's about the smallest I can to get enough ram to do the terahedralization, about 50% of the ram is used after the tetrahedralization.  Does anyone know if the fixed point vr algorithm is parallel aware, would adding ghost zones to the image data help??





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--
| Aashish Chaudhary
| Technical Leader         
| Kitware Inc.           

<div>
    <div class="moz-cite-prefix">Hi Aashish,<br><br>
      Great! I've been seeing this bug for a long time going back at
      least to ParaView 3.8. It's image data, and I have used the ray
      cast only option in ParaView which in the end (via vtk smart
      volume mapper) corresponds to the vtk fixed point volume mapper.
      For this run I used 256 procs, I can share the data and a state
      file if it would help.<br><br>
      Burlen<br><br>
      On 10/23/2014 12:41 AM, Aashish Chaudhary wrote:<br>
</div>
    <blockquote cite="mid:CAEw35Z_BrTZmxFjSrNJRG6+fguMJhCqbu5QfRfvuD2kcUYvtJA <at> mail.gmail.com" type="cite">
      <div dir="ltr">Burlen,&nbsp;
        <div><br></div>
        <div>this certainly looks like the parallel compositing issue to
          me and we have seen it before. Just to be clear what mapper
          you were using to generate this image?&nbsp; I would love to track
          dow this issue and&nbsp;</div>
        <div>can certainly use your help here.&nbsp;</div>
        <div><br></div>
        <div>- Aashish</div>
      </div>
      <div class="gmail_extra">
<br><div class="gmail_quote">On Wed, Oct 22, 2014 at 11:01 AM,
          Burlen Loring <span dir="ltr">&lt;<a moz-do-not-send="true" href="mailto:burlen.loring <at> gmail.com" target="_blank">burlen.loring <at> gmail.com</a>&gt;</span>
          wrote:<br><blockquote class="gmail_quote">
            <div text="#000000" bgcolor="#FFFFFF"> Hi, I'm encountering
              what look like process boundaries in image data volume
              rendering. This is view dependent, only certain camera
              locations reveal the issue. In examples below these are
              "horizontal line" like artifacts. This data is large, and
              I have not been able to successfully volume render after
              tetrahedralizing it. I'm not sure if it's just insanely
              slow or there's a deadlock. My attempts have been up to
              1024 procs with 8 per node (8 GB per proc), That's about
              the smallest I can to get enough ram to do the
              terahedralization, about 50% of the ram is used after the
              tetrahedralization.&nbsp; Does anyone know if the fixed point
              vr algorithm is parallel aware, would adding ghost zones
              to the image data help??<br><br><br><br><br>
</div>
            <br>
            _______________________________________________<br>
            Powered by <a moz-do-not-send="true" href="http://www.kitware.com" target="_blank">www.kitware.com</a><br><br>
            Visit other Kitware open-source projects at <a moz-do-not-send="true" href="http://www.kitware.com/opensource/opensource.html" target="_blank">http://www.kitware.com/opensource/opensource.html</a><br><br>
            Please keep messages on-topic and check the ParaView Wiki
            at: <a moz-do-not-send="true" href="http://paraview.org/Wiki/ParaView" target="_blank">http://paraview.org/Wiki/ParaView</a><br><br>
            Follow this link to subscribe/unsubscribe:<br><a moz-do-not-send="true" href="http://public.kitware.com/mailman/listinfo/paraview" target="_blank">http://public.kitware.com/mailman/listinfo/paraview</a><br><br>
</blockquote>
        </div>
        <br><br clear="all"><div><br></div>
        -- <br><div dir="ltr">|
              Aashish Chaudhary <br>
              | Technical Leader &nbsp; &nbsp; &nbsp; &nbsp;&nbsp;<br>
              | Kitware Inc.&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <br>
          <div>|&nbsp;<a moz-do-not-send="true" href="http://www.kitware.com/company/team/chaudhary.html" target="_blank">http://www.kitware.com/company/team/chaudhary.html</a>
</div>
        </div>
      </div>
    </blockquote>
    <br>
</div>
Scott, W Alan | 23 Oct 01:44 2014
Picon

Feature request - Need more detailed control of generating nodal quantities from element results

A question from a user.  I believe that answer is correct to the first bullet, and the answer is no to the second bullet?

1 - Averaging a nodal result from surrounding elements is OK as long as the node is within a homogenous body. 
This process is not correct for nodes on the boundary between two different materials.
2 - Is there a process to extrapolate element integration point quantities (stresses, strains) to nodes
for elements with non-linear shape functions?

Thanks,

Alan
Burlen Loring | 22 Oct 17:01 2014
Picon

artifacts in image data volume rendering

Hi, I'm encountering what look like process boundaries in image data volume rendering. This is view dependent, only certain camera locations reveal the issue. In examples below these are "horizontal line" like artifacts. This data is large, and I have not been able to successfully volume render after tetrahedralizing it. I'm not sure if it's just insanely slow or there's a deadlock. My attempts have been up to 1024 procs with 8 per node (8 GB per proc), That's about the smallest I can to get enough ram to do the terahedralization, about 50% of the ram is used after the tetrahedralization.  Does anyone know if the fixed point vr algorithm is parallel aware, would adding ghost zones to the image data help??




<div>
    Hi, I'm encountering what look like process boundaries in image data
    volume rendering. This is view dependent, only certain camera
    locations reveal the issue. In examples below these are "horizontal
    line" like artifacts. This data is large, and I have not been able
    to successfully volume render after tetrahedralizing it. I'm not
    sure if it's just insanely slow or there's a deadlock. My attempts
    have been up to 1024 procs with 8 per node (8 GB per proc), That's
    about the smallest I can to get enough ram to do the
    terahedralization, about 50% of the ram is used after the
    tetrahedralization.&nbsp; Does anyone know if the fixed point vr
    algorithm is parallel aware, would adding ghost zones to the image
    data help??<br><br><br><br><br>
</div>
B.W.H. van Beest | 22 Oct 16:19 2014
Picon
Picon

Filter to keep points, dropping topology

Hello,

I need a filter that only keeps the 3D points of a certain source (e.g.
coming from  an stl file).
The topology of the data set may go.

I thought that the following filter, only passing through the pointdata,
would do the job,
but that appears not to be the case (no points after the filter!)
What's going wrong and how should I change the filter?

Kind Regards,
Bertwim

================

int FilterPoints::RequestData( vtkInformation*,
                                             vtkInformationVector**
inputVector,
                                             vtkInformationVector*
outputVector)
{
   // Get the input and output data objects.
   vtkDataSet* input = vtkDataSet::GetData( inputVector[0] );
   vtkDataSet* output = vtkDataSet::GetData( outputVector );

   // output->CopyStructure( input );
   output->GetPointData()->PassData( input->GetPointData() );

   return 1;
}

Stephen Wornom | 22 Oct 11:39 2014
Picon
Picon

PV 4.1 How to extract a slice for z= constant

The mesh is unstructured, PV running mpi.
The mesh is rectangular.
I would like to extract an exterior boundary.
How does one do this?
Thanks,
Stephen

Gmane