'Re: [Paraview] A bunch of novice user questions'

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List:       paraview
Subject:    Re: [Paraview] A bunch of novice user questions
From:       Paulo Alexandre Neves <paulo.alex.neves () gmail ! com>
Date:       2011-01-27 19:56:31
Message-ID: 319A2D10-CDC5-4FA5-B793-98D027920787 () gmail ! com
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Dear David.

Thank you very much!

The problem was the selection of the data scalar data type.

Kind regards,
___________________________________________________________________
Paulo Alexandre Neves
Escola Superior de Tecnologia de Castelo Branco
Unidade Técnico-Cientifica de  Informática
http://di.est.ipcb.pt
E-mail: pneves at ipcb dot pt
Instituto de Telecomunicações (IT)
E-mail: pneves at co dot it dot pt

On 27/01/2011, at 18:29, David E DeMarle wrote:

> 2011/1/27 Paulo Alexandre Neves <paulo.alex.neves@gmail.com>:
>> Dear all.
>> My name is Paulo Neves and I am starting to use Paraview. I already did the
>> great Kenneth Moreland tutorial.
>> I downloaded and installed Paraview on a Mac OS X machine through the binary
>> dmg, running in standalone mode. Version is 3.8.1.
>> Here are my questions:
>> When trying to open a .raw data set, such as the one in attach, I get
>> errors, like
>> ERROR: In /Users/partyd/Kitware/ParaView-3.8/src/VTK/IO/vtkImageReader.cxx,
>> line 184
>> vtkMPIImageReader (0x126f74e70): File operation failed:
>> 18446744073709512510, ext: 0, 32, 0, 32, 0, 32
> 
> See below.
> 
>> The first thing that strikes me is where is /Users/partyd directory! I
>> cannot find this on my machine.
> 
> That is an artifact of the release packaging processes, you can safely
> ignore that. /Users/partyk/Kitware ... is just the directory where
> that binary image was originally built and it gets encoded into things
> like the error strings by the compiler.
> 
>> Second the dataset is 32x32x32, 8bit so why the errors?
> 
> Try extents of 0..31 0..31 0..31. You and ParaView are disagreeing on
> whether to count cells or points. It works fine on my 3.8.1 binary
> image.
> 
>> This leads me to another question: where is the source VTK files (like
>> vtkImageReader) on my machine? Do I need to download the source and compile
> 
> The binaries do not include the source code. If you want to make c++
> extensions to ParaView you have to download or git clone that
> separately.
> 
>> it to have access to this? Later on I would like to create my own
>> algorithms, so I will need to extend Paraview. Isn't the best way to write
>> such code through VTK?
> 
> Yes. It is almost always better to learn VTK data structures and
> filter concepts first, then wrap your VTK level code so that ParaView
> will include it. At the core ParaView is just a front end for VTK .
> 
>> Sorry for my newbie questions and thanks for your patience!
>> Kind regards,
> 
> No problem and good luck!
> 
>> ___________________________________________________________________
>> Paulo Alexandre Neves
>> Escola Superior de Tecnologia de Castelo Branco
>> Unidade Técnico-Cientifica de  Informática
>> http://di.est.ipcb.pt
>> E-mail: pneves at ipcb dot pt
>> Instituto de Telecomunicações (IT)
>> E-mail: pneves at co dot it dot pt
>> 
>> 
>> 
>> _______________________________________________
>> Powered by www.kitware.com
>> 
>> Visit other Kitware open-source projects at
>> http://www.kitware.com/opensource/opensource.html
>> 
>> Please keep messages on-topic and check the ParaView Wiki at:
>> http://paraview.org/Wiki/ParaView
>> 
>> Follow this link to subscribe/unsubscribe:
>> http://www.paraview.org/mailman/listinfo/paraview
>> 
>> 

[Attachment #5 (unknown)]

<html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; \
-webkit-line-break: after-white-space; ">Dear David.<div><br></div><div>Thank you \
very much!</div><div><br></div><div>The problem was the selection of the data scalar \
data type.</div><div><br></div><div>Kind regards,<br><div> <span \
class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); \
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-webkit-text-stroke-width: 0px; font-size: medium; "><span class="Apple-style-span" \
style="border-collapse: separate; color: rgb(0, 0, 0); font-family: Helvetica; \
font-size: medium; font-style: normal; font-variant: normal; font-weight: normal; \
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-webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><span \
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font-family: Helvetica; font-size: medium; font-style: normal; font-variant: normal; \
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-webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><span \
class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); \
font-family: Helvetica; font-size: medium; font-style: normal; font-variant: normal; \
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text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: \
0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; \
-webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; \
-webkit-text-stroke-width: 0px; "><div style="word-wrap: break-word; \
-webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><span \
class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); \
font-family: Helvetica; font-size: medium; font-style: normal; font-variant: normal; \
font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; \
text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: \
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font-family: Helvetica; font-size: 16px; font-style: normal; font-variant: normal; \
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-webkit-text-stroke-width: 0px; "><div style="word-wrap: break-word; \
-webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><span \
class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); \
font-family: Helvetica; font-size: 16px; font-style: normal; font-variant: normal; \
font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; \
text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: \
0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; \
-webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; \
-webkit-text-stroke-width: 0px; "><div style="word-wrap: break-word; \
-webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><span \
class="Apple-style-span" style="border-collapse: separate; \
-webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; color: \
rgb(0, 0, 0); font-family: Helvetica; font-size: 14px; font-style: normal; \
font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: \
normal; -webkit-text-decorations-in-effect: none; text-indent: 0px; \
-webkit-text-size-adjust: auto; text-transform: none; orphans: 2; white-space: \
normal; widows: 2; word-spacing: 0px; "><div style="word-wrap: break-word; \
-webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><span \
class="Apple-style-span" style="border-collapse: separate; \
-webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; color: \
rgb(0, 0, 0); font-family: Helvetica; font-size: 14px; font-style: normal; \
font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: \
normal; -webkit-text-decorations-in-effect: none; text-indent: 0px; \
-webkit-text-size-adjust: auto; text-transform: none; orphans: 2; white-space: \
normal; widows: 2; word-spacing: 0px; "><span class="Apple-style-span" \
style="border-collapse: separate; -webkit-border-horizontal-spacing: 0px; \
-webkit-border-vertical-spacing: 0px; color: rgb(0, 0, 0); font-family: Helvetica; \
font-size: 14px; font-style: normal; font-variant: normal; font-weight: normal; \
letter-spacing: normal; line-height: normal; -webkit-text-decorations-in-effect: \
none; text-indent: 0px; -webkit-text-size-adjust: auto; text-transform: none; \
orphans: 2; white-space: normal; widows: 2; word-spacing: 0px; "><span \
class="Apple-style-span" style="border-collapse: separate; \
-webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; color: \
rgb(0, 0, 0); font-family: Helvetica; font-size: 14px; font-style: normal; \
font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: \
normal; -webkit-text-decorations-in-effect: none; text-indent: 0px; \
-webkit-text-size-adjust: auto; text-transform: none; orphans: 2; white-space: \
normal; widows: 2; word-spacing: 0px; "><span class="Apple-style-span" \
style="border-collapse: separate; -webkit-border-horizontal-spacing: 0px; \
-webkit-border-vertical-spacing: 0px; color: rgb(0, 0, 0); font-family: Helvetica; \
font-size: 14px; font-style: normal; font-variant: normal; font-weight: normal; \
letter-spacing: normal; line-height: normal; -webkit-text-decorations-in-effect: \
none; text-indent: 0px; -webkit-text-size-adjust: auto; text-transform: none; \
orphans: 2; white-space: normal; widows: 2; word-spacing: 0px; "><div \
style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; \
"><font class="Apple-style-span" size="3"><span class="Apple-style-span" \
style="font-size: 12px; "><span class="Apple-style-span" style="font-size: 12px; \
">___________________________________________________________________</span></span></font></div><div \
style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; \
"><font class="Apple-style-span" size="3"><span class="Apple-style-span" \
style="font-size: 12px; "><b style="font-size: 12px; font-weight: bold; "><span \
class="Apple-style-span" style="font-size: 12px; font-weight: bold; ">Paulo Alexandre \
Neves</span></b></span></font></div><div style="margin-top: 0px; margin-right: 0px; \
margin-bottom: 0px; margin-left: 0px; "><font class="Apple-style-span" \
color="#626262" size="3"><span class="Apple-style-span" style="font-size: 12px; \
color: rgb(98, 98, 98); "><span class="Apple-style-span" style="color: rgb(98, 98, \
98); font-size: 12px; ">Escola Superior de Tecnologia de Castelo \
Branco</span></span></font></div><div style="margin-top: 0px; margin-right: 0px; \
margin-bottom: 0px; margin-left: 0px; "><font class="Apple-style-span" size="3"><span \
class="Apple-style-span" style="font-size: 12px; "><span class="Apple-style-span" \
style="font-size: 12px; ">Unidade Técnico-Cientifica de \
&nbsp;Informática</span></span></font></div><div style="margin-top: 0px; \
margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><font \
class="Apple-style-span" size="3"><span class="Apple-style-span" style="font-size: \
12px; "><span class="Apple-style-span" style="font-size: 12px; "><a \
href="http://di.est.ipcb.pt">http://di.est.ipcb.pt</a></span></span></font></div><div \
style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; \
"><font class="Apple-style-span" size="3"><span class="Apple-style-span" \
style="font-size: 12px; "><span class="Apple-style-span" style="font-size: 12px; \
">E-mail:<span class="Apple-converted-space">&nbsp;</span><span \
class="Apple-style-span" style="text-decoration: underline; ">pneves at ipcb dot \
pt</span></span></span></font></div><div style="margin-top: 0px; margin-right: 0px; \
margin-bottom: 0px; margin-left: 0px; "><font class="Apple-style-span" size="3"><span \
class="Apple-style-span" style="font-size: 12px; "><span class="Apple-style-span" \
style="color: rgb(98, 98, 98); ">Instituto de Telecomunicações \
(IT)</span></span></font></div><div style="margin-top: 0px; margin-right: 0px; \
margin-bottom: 0px; margin-left: 0px; "><font class="Apple-style-span" size="3"><span \
class="Apple-style-span" style="font-size: 12px; ">E-mail:<span \
class="Apple-converted-space">&nbsp;</span><span class="Apple-style-span" \
style="text-decoration: underline; ">pneves at co dot it dot \
pt</span></span></font></div><div><br></div></span></span></span></span></div></span>< \
/div></span></div></span></div></span></div></span></div></span></div></span></span><br \
class="Apple-interchange-newline"> </div>
<br><div><div>On 27/01/2011, at 18:29, David E DeMarle wrote:</div><br \
class="Apple-interchange-newline"><blockquote type="cite"><div>2011/1/27 Paulo \
Alexandre Neves &lt;<a \
href="mailto:paulo.alex.neves@gmail.com">paulo.alex.neves@gmail.com</a>&gt;:<br><blockquote \
type="cite">Dear all.<br></blockquote><blockquote type="cite">My name is Paulo Neves \
and I am starting to use Paraview. I already did the<br></blockquote><blockquote \
type="cite">great&nbsp;Kenneth Moreland tutorial.<br></blockquote><blockquote \
type="cite">I downloaded and installed Paraview on a Mac OS X machine through the \
binary<br></blockquote><blockquote type="cite">dmg, running in standalone mode. \
Version is 3.8.1.<br></blockquote><blockquote type="cite">Here are my \
questions:<br></blockquote><blockquote type="cite">When trying to open a .raw data \
set, such as the one in attach, I get<br></blockquote><blockquote type="cite">errors, \
like<br></blockquote><blockquote type="cite">ERROR: In \
/Users/partyd/Kitware/ParaView-3.8/src/VTK/IO/vtkImageReader.cxx,<br></blockquote><blockquote \
type="cite">line 184<br></blockquote><blockquote type="cite">vtkMPIImageReader \
(0x126f74e70): File operation failed:<br></blockquote><blockquote \
type="cite">18446744073709512510, ext: 0, 32, 0, 32, 0, 32<br></blockquote><br>See \
below.<br><br><blockquote type="cite">The first thing that strikes me is where is \
/Users/partyd directory! I<br></blockquote><blockquote type="cite">cannot find this \
on my machine.<br></blockquote><br>That is an artifact of the release packaging \
processes, you can safely<br>ignore that. /Users/partyk/Kitware ... is just the \
directory where<br>that binary image was originally built and it gets encoded into \
things<br>like the error strings by the compiler.<br><br><blockquote \
type="cite">Second the dataset is 32x32x32, 8bit so why the \
errors?<br></blockquote><br>Try extents of 0..31 0..31 0..31. You and ParaView are \
disagreeing on<br>whether to count cells or points. It works fine on my 3.8.1 \
binary<br>image.<br><br><blockquote type="cite">This leads me to another question: \
where is the source VTK files (like<br></blockquote><blockquote \
type="cite">vtkImageReader) on my machine? Do I need to download the source and \
compile<br></blockquote><br>The binaries do not include the source code. If you want \
to make c++<br>extensions to ParaView you have to download or git clone \
that<br>separately.<br><br><blockquote type="cite">it to have access to this? Later \
on I would like to create my own<br></blockquote><blockquote type="cite">algorithms, \
so I will need to extend Paraview. Isn't the best way to \
write<br></blockquote><blockquote type="cite">such code through \
VTK?<br></blockquote><br>Yes. It is almost always better to learn VTK data structures \
and<br>filter concepts first, then wrap your VTK level code so that ParaView<br>will \
include it. At the core ParaView is just a front end for VTK .<br><br><blockquote \
type="cite">Sorry for my newbie questions and thanks for your \
patience!<br></blockquote><blockquote type="cite">Kind \
regards,<br></blockquote><br>No problem and good luck!<br><br><blockquote \
type="cite">___________________________________________________________________<br></blockquote><blockquote \
type="cite">Paulo Alexandre Neves<br></blockquote><blockquote type="cite">Escola \
Superior de Tecnologia de Castelo Branco<br></blockquote><blockquote \
type="cite">Unidade Técnico-Cientifica de \
&nbsp;Informática<br></blockquote><blockquote type="cite"><a \
href="http://di.est.ipcb.pt">http://di.est.ipcb.pt</a><br></blockquote><blockquote \
type="cite">E-mail:&nbsp;pneves at ipcb dot pt<br></blockquote><blockquote \
type="cite">Instituto de Telecomunicações (IT)<br></blockquote><blockquote \
type="cite">E-mail:&nbsp;pneves at co dot it dot pt<br></blockquote><blockquote \
type="cite"><br></blockquote><blockquote type="cite"><br></blockquote><blockquote \
type="cite"><br></blockquote><blockquote \
type="cite">_______________________________________________<br></blockquote><blockquote \
type="cite">Powered by <a \
href="http://www.kitware.com">www.kitware.com</a><br></blockquote><blockquote \
type="cite"><br></blockquote><blockquote type="cite">Visit other Kitware open-source \
projects at<br></blockquote><blockquote type="cite"><a \
href="http://www.kitware.com/opensource/opensource.html">http://www.kitware.com/opensource/opensource.html</a><br></blockquote><blockquote \
type="cite"><br></blockquote><blockquote type="cite">Please keep messages on-topic \
and check the ParaView Wiki at:<br></blockquote><blockquote type="cite"><a \
href="http://paraview.org/Wiki/ParaView">http://paraview.org/Wiki/ParaView</a><br></blockquote><blockquote \
type="cite"><br></blockquote><blockquote type="cite">Follow this link to \
subscribe/unsubscribe:<br></blockquote><blockquote type="cite"><a \
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