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List: vtk-developers
Subject: [vtk-developers] problems with vtkStructuredPointsWriter [WinXP
From: Paolo Quadrani <p.quadrani () cineca ! it>
Date: 2009-02-06 12:55:13
Message-ID: E35281B8-9C2E-4765-80A2-FE2D1B043070 () cineca ! it
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Dear all,
I'm starting to learn VTK 5.2 (I come from VTK 4.4) and I encountered
this problem:
I have a vtkStructuredPoints volume and I have to write it into a
string, so I'm using the snippet code below:
....
vtkStructuredPointsWriter *w = vtkStructuredPointsWriter::New();
w->SetInput(dataStructured);
w->SetFileTypeToBinary();
w->SetWriteToOutputString(1);
w->Update();
std::string s;
s = w->GetOutputString();
...
the output string of the writer contains only the header of the input
data.
I tried also to set the FileTypeToASCII, but in that case I get an
error from the vtkDataWriter.cxx at line 1723:
vtkErrorMacro("OutputString allocated buffer is not large enough.");
Saving the data into a file instead there are no problems.
Am I doing something wrong?
Thanks in advance.
Paolo Quadrani
_________________________________
CINECA
System and Technology Department
+39 0516171411 (Office)
+39 051 6132198 (Fax)
Via Magnanelli 6/3 40033
Casalecchio di Reno
Italy
[Attachment #5 (text/html)]
<html><body style="word-wrap: break-word; -webkit-nbsp-mode: space; \
-webkit-line-break: after-white-space; ">Dear all,<div>I'm starting to learn VTK 5.2 \
(I come from VTK 4.4) and I encountered this problem:</div><div>I have a \
vtkStructuredPoints volume and I have to write it into a string, so I'm using the \
snippet code below:</div><div><br></div><div>....</div><div><div style="margin-top: \
0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal \
normal 10px/normal Helvetica; color: rgb(2, 0, 2); "> \
vtkStructuredPointsWriter<span style="color: #000000"> *</span>w<span \
style="color: #000000"> = </span>vtkStructuredPointsWriter<span style="color: \
#000000">::</span>New<span style="color: #000000">();</span></div><div \
style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; \
font: normal normal normal 10px/normal Helvetica; color: rgb(2, 0, 2); "><span \
style="color: #000000"> </span>w<span style="color: \
#000000">-></span>SetInput<span style="color: #000000">(</span>dataStructured<span \
style="color: #000000">);</span></div><div style="margin-top: 0px; margin-right: 0px; \
margin-bottom: 0px; margin-left: 0px; font: normal normal normal 10px/normal \
Helvetica; color: rgb(2, 0, 2); "><span style="color: #000000"> \
<span class="Apple-style-span" style="color: rgb(2, 0, 2); ">w<span \
style="color: #000000">-></span>SetFileTypeToBinary<span style="color: \
#000000">();</span></span></span></div><div style="margin-top: 0px; margin-right: \
0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 10px/normal \
Helvetica; color: rgb(2, 0, 2); "><span style="color: #000000"> \
</span>w<span style="color: #000000">-></span>SetWriteToOutputString<span \
style="color: #000000">(1);</span></div><div style="margin-top: 0px; margin-right: \
0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 10px/normal \
Helvetica; "> <span style="color: #020002">w</span>-><span \
style="color: #020002">Update</span>();</div><div style="margin-top: 0px; \
margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal \
10px/normal Helvetica; "><div style="margin-top: 0px; margin-right: 0px; \
margin-bottom: 0px; margin-left: 0px; font: normal normal normal 10px/normal \
Helvetica; color: rgb(2, 0, 2); "> </div><div \
style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; \
font: normal normal normal 10px/normal Helvetica; color: rgb(2, 0, 2); "> \
std<span style="color: #000000">::</span>string<span style="color: \
#000000"> </span>s<span style="color: #000000">;</span></div><div style="margin-top: \
0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal \
normal 10px/normal Helvetica; color: rgb(2, 0, 2); "><span style="color: \
#000000"> </span>s<span style="color: #000000"> = </span>w<span \
style="color: #000000">-></span>GetOutputString<span style="color: \
#000000">();</span></div></div></div><div>...</div><div><div \
apple-content-edited="true"><span class="Apple-style-span" style="border-collapse: \
separate; color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: \
normal; font-variant: normal; font-weight: normal; letter-spacing: normal; \
line-height: normal; orphans: 2; text-align: auto; 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: 0; "><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: 12px; 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; \
"><div><br></div><div>the output string of the writer contains only the header of the \
input data.</div><div>I tried also to set the FileTypeToASCII, but in that case I get \
an error from the vtkDataWriter.cxx at line 1723:</div><div><div style="margin-top: \
0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal \
normal 10px/normal Helvetica; color: rgb(163, 21, 21); "><font \
class="Apple-style-span" color="#020002"><br></font></div><div style="margin-top: \
0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal \
normal 10px/normal Helvetica; color: rgb(163, 21, 21); "><span style="color: \
#020002">vtkErrorMacro</span><span style="color: #000000">(</span>"OutputString \
allocated buffer is not large enough."<span style="color: \
#000000">);</span></div><div style="margin-top: 0px; margin-right: 0px; \
margin-bottom: 0px; margin-left: 0px; font: normal normal normal 10px/normal \
Helvetica; color: rgb(163, 21, 21); "><font class="Apple-style-span" \
color="#000000"><br></font></div></div><div>Saving the data into a file instead there \
are no problems.</div><div>Am I doing something \
wrong?</div><div><br></div><div>Thanks in advance.</div><div><br></div><div>Paolo \
Quadrani</div><div>_________________________________</div><div>CINECA</div><div>System \
and Technology Department</div><div>+39 0516171411 (Office)</div><div>+39 051 6132198 \
(Fax)</div><div><br></div><div>Via Magnanelli 6/3 40033</div><div>Casalecchio \
di Reno</div><div>Italy</div><div><br></div></div></span><br \
class="Apple-interchange-newline"></div></span><br class="Apple-interchange-newline"> \
</div><br></div></body></html>
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