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On 27.09.2012 09:50, Alexander Duda wrote:
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<div class="moz-cite-prefix">On 09/27/2012 09:04 AM, Matthias
Goldhoorn wrote:<br>
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On 27.09.2012 08:51, Jakob Schwendner wrote:
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On 09/26/2012 04:59 PM, Alexander Duda wrote:
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<div class="moz-cite-prefix">On 09/26/2012 04:24 PM,
Matthias Goldhoorn wrote:<br>
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On 26.09.2012 16:22, Javier Hidalgo Carrió wrote:
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<div class="moz-cite-prefix">On 09/26/2012 03:33 PM,
Matthias Goldhoorn wrote:<br>
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type="cite">
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Hmh, <br>
<br>
i think we should add base::Temperature analog to
base::angle WITHOUT an timestamp, becasue the
temperature can then be added to any class without
duplicate the time field.<br>
<br>
</blockquote>
In this case we will not be able to log the temperature
alone in a port with a timestamp. We will need to use
the timestamp from other port.<br>
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Thats the reason why you should add also the
"base::TemperatureReading" type, which includes the time
and the base::Temperature ;).<br>
<br>
In general in the past i was for an generic data type
Stamped<T> which is in general for this kind of
thinks, but there was some points against this, but i
would like to point to it again ;).<br>
</blockquote>
<br>
I do see Matthias point but I would rather go for:<br>
base::Temperature <br>
and<br>
struct base::samples::Temperature <br>
{<br>
base::Time time;<br>
base::Temperature temperature;<br>
}<br>
<br>
Alex<br>
<br>
</blockquote>
This seems to be most consistent with what we already have.
Come to think of it I wouldn't even mind having an origin
string field in the base::samples::Temperature type, as
Matthias suggested.<br>
</blockquote>
One addition why i would like to have an origin field, the
origin field could be used for some user GUIs, that can be
created automatic an overview over all system temperatures,
without needing the gui-creation-user to know where temperature
sensor is located, and from what task they came and where the
device for the task is located inside the system. (for manual
connecting gui-parts with tasks)<br>
</blockquote>
<br>
I am against adding a description field as this is doubling the
mechanism of the transformer.<br>
In general the transformer stack knows where each temperature
sensor is located if the frame and static transformation is
correctly set. Furthermore sending the same string over and over
again, filling up our log files, has a bad taste.<br>
<br>
see <a moz-do-not-send="true" class="moz-txt-link-freetext"
href="http://www.rock-robotics.org/stable/documentation/data_processing/transformer.html">http://www.rock-robotics.org/stable/documentation/data_processing/transformer.html</a>
for more informations.<br>
<br>
<br>
Alex<br>
</blockquote>
<br>
But where is the association between the transformer and the
base::samples::temperature reading, there is no connection between
then.<br>
In case for the imu you could _assume_ that the temperature sensor
is in the imu. But i have other components that are spread over the
system, and can multiple temperatures. So i don't see the
relationship to the transformer. Okay you could use an
transformation description to that you can display the temperature
sensor inside of your system in vizkit3d, but the transformer also
uses only strings, so if you add an string the transformer could be
used for this. But i don't see the point that the string duplicates
information....<br>
<br>
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<br>
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<blockquote cite="mid:5063F75F.8050409@dfki.de" type="cite"> <br>
Jakob<br>
<br>
<br>
<br>
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<pre class="moz-signature" cols="72">--
Dipl.-Inf. Matthias Goldhoorn
Space and Underwater Robotic
Universität Bremen
FB 3 - Mathematik und Informatik
AG Robotik
Robert-Hooke-Straße 5
28359 Bremen, Germany
Tel.: +49 421 178 45-4193
Zentrale: +49 421 178 45-6550
Fax: +49 421 178 45-4150
E-Mail: <a moz-do-not-send="true" class="moz-txt-link-abbreviated" href="mailto:matthias.goldhoorn@uni-bremen.de">matthias.goldhoorn@uni-bremen.de</a>
Weitere Informationen: <a moz-do-not-send="true" class="moz-txt-link-freetext" href="http://www.informatik.uni-bremen.de/robotik">http://www.informatik.uni-bremen.de/robotik</a></pre>
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<pre class="moz-signature" cols="72">--
Dipl.-Ing. Alexander Duda
Unterwasserrobotik
DFKI Bremen
Robotics Innovation Center
Robert-Hooke-Straße 5
28359 Bremen, Germany
Phone: +49 (0)421 178-456620
Fax: +49 (0)421 178-454150
E-Mail: <a moz-do-not-send="true" class="moz-txt-link-abbreviated" href="mailto:alexander.duda@dfki.de">alexander.duda@dfki.de</a>
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<pre class="moz-signature" cols="72">--
Dipl.-Inf. Matthias Goldhoorn
Space and Underwater Robotic
Universität Bremen
FB 3 - Mathematik und Informatik
AG Robotik
Robert-Hooke-Straße 5
28359 Bremen, Germany
Tel.: +49 421 178 45-4193
Zentrale: +49 421 178 45-6550
Fax: +49 421 178 45-4150
E-Mail: <a class="moz-txt-link-abbreviated" href="mailto:matthias.goldhoorn@uni-bremen.de">matthias.goldhoorn@uni-bremen.de</a>
Weitere Informationen: <a class="moz-txt-link-freetext" href="http://www.informatik.uni-bremen.de/robotik">http://www.informatik.uni-bremen.de/robotik</a></pre>
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