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List: scilab-users
Subject: Re: [Scilab-users] IPCV - imrotate
From: P M <p.muehlmann () gmail ! com>
Date: 2019-04-30 8:04:42
Message-ID: CACf7ODsU08f5PB5zm1X=fzxqPdkrtw6FFL9eCLmxr3EUUz8UQw () mail ! gmail ! com
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One has to enter the angle in degrees.
P.
Am Di., 30. Apr. 2019 um 08:44 Uhr schrieb Stéphane Mottelet <
stephane.mottelet@utc.fr>:
> Le 29/04/2019 à 10:06, P M a écrit :
>
> Dear developers of IPCV,
> using the function imrotate() seems to increse the image size.
> Please see following code:
>
> img = zeros(10,10);imshow(img);size(img)img = \
> imrotate(img,90);imshow(img);size(img)
>
> I could imagine that the image size changes, when one uses rotation angles
> <> 90 °.
> But for exactly 90 ° this is a strange behaviour.
>
> Best regards,
> Philipp
>
> _______________________________________________
> users mailing listusers@lists.scilab.orghttps://antispam.utc.fr/proxy/1/c3RlcGhhbmUubW90dGVsZXRAdXRjLmZy/lists.scilab.org/mailman/listinfo/users
>
> Is the angle in degrees or radians ?
>
> S.
>
> --
> Stéphane Mottelet
> Ingénieur de recherche
> EA 4297 Transformations Intégrées de la Matière Renouvelable
> Département Génie des Procédés Industriels
> Sorbonne Universités - Université de Technologie de Compiègne
> CS 60319, 60203 Compiègne cedex
> Tel : +33(0)344234688http://www.utc.fr/~mottelet
>
> _______________________________________________
> users mailing list
> users@lists.scilab.org
> http://lists.scilab.org/mailman/listinfo/users
>
[Attachment #5 (text/html)]
<div dir="ltr"><div>One has to enter the angle in \
degrees.</div><div><br></div><div>P.<br></div></div><br><div class="gmail_quote"><div \
class="gmail_attr" dir="ltr">Am Di., 30. Apr. 2019 um 08:44 Uhr schrieb Stéphane \
Mottelet <<a href="mailto:stephane.mottelet@utc.fr">stephane.mottelet@utc.fr</a>>:<br></div><blockquote \
class="gmail_quote" style="margin:0px 0px 0px \
0.8ex;padding-left:1ex;border-left-color:rgb(204,204,204);border-left-width:1px;border-left-style:solid">
<div bgcolor="#FFFFFF">
<div class="gmail-m_8578413138297899596moz-cite-prefix">Le 29/04/2019 Ã 10:06, P \
M a écrit :<br> </div>
<blockquote type="cite">
<div dir="ltr">
<div>Dear developers of IPCV,</div>
<div>using the function imrotate() seems to increse the
image size.</div>
<div>Please see following code:</div>
<div><br>
</div>
<div>
<pre style="font-family:Monospaced;font-size:12px;font-style:normal"><span \
style="color:rgb(0,0,0)">img</span> <span style="color:rgb(92,92,92)">=</span> <span \
style="color:rgb(50,185,185)">zeros</span><span \
style="color:rgb(74,85,219)">(</span><span \
style="color:rgb(188,143,143)">10</span><span style="color:rgb(0,0,0)">,</span><span \
style="color:rgb(188,143,143)">10</span><span \
style="color:rgb(74,85,219)">)</span><span style="color:rgb(0,0,0)">;</span> <span \
style="color:rgb(0,0,0)">imshow</span><span \
style="color:rgb(74,85,219)">(</span><span style="color:rgb(0,0,0)">img</span><span \
style="color:rgb(74,85,219)">)</span><span style="color:rgb(0,0,0)">;</span> <span \
style="color:rgb(50,185,185)">size</span><span \
style="color:rgb(74,85,219)">(</span><span style="color:rgb(0,0,0)">img</span><span \
style="color:rgb(74,85,219)">)</span> <span style="color:rgb(0,0,0)">img</span> <span \
style="color:rgb(92,92,92)">=</span> <span \
style="color:rgb(0,0,0)">imrotate</span><span \
style="color:rgb(74,85,219)">(</span><span style="color:rgb(0,0,0)">img</span><span \
style="color:rgb(0,0,0)">,</span><span style="color:rgb(188,143,143)">90</span><span \
style="color:rgb(74,85,219)">)</span><span style="color:rgb(0,0,0)">;</span> <span \
style="color:rgb(0,0,0)">imshow</span><span \
style="color:rgb(74,85,219)">(</span><span style="color:rgb(0,0,0)">img</span><span \
style="color:rgb(74,85,219)">)</span><span style="color:rgb(0,0,0)">;</span> <span \
style="color:rgb(50,185,185)">size</span><span \
style="color:rgb(74,85,219)">(</span><span style="color:rgb(0,0,0)">img</span><span \
style="color:rgb(74,85,219)">)
</span></pre>
<div>I could imagine that the image size changes, when one
uses rotation angles <> 90 °.</div>
<div>But for exactly 90 ° this is a strange behaviour.</div>
<div><br>
</div>
<div>Best regards,</div>
<div>Philipp<br>
</div>
</div>
</div>
<br>
<fieldset class="gmail-m_8578413138297899596mimeAttachmentHeader"></fieldset>
<pre class="gmail-m_8578413138297899596moz-quote-pre">_______________________________________________
users mailing list
<a class="gmail-m_8578413138297899596moz-txt-link-abbreviated" \
href="mailto:users@lists.scilab.org" target="_blank">users@lists.scilab.org</a> <a \
class="gmail-m_8578413138297899596moz-txt-link-freetext" \
href="https://antispam.utc.fr/proxy/1/c3RlcGhhbmUubW90dGVsZXRAdXRjLmZy/lists.scilab.org/mailman/listinfo/users" \
target="_blank">https://antispam.utc.fr/proxy/1/c3RlcGhhbmUubW90dGVsZXRAdXRjLmZy/lists.scilab.org/mailman/listinfo/users</a>
</pre>
</blockquote>
<p>Is the angle in degrees or radians ?</p>
<p>S.<br>
</p>
<pre class="gmail-m_8578413138297899596moz-signature" cols="72">--
Stéphane Mottelet
Ingénieur de recherche
EA 4297 Transformations Intégrées de la Matière Renouvelable
Département Génie des Procédés Industriels
Sorbonne Universités - Université de Technologie de Compiègne
CS 60319, 60203 Compiègne cedex
Tel : +33(0)344234688
<a class="gmail-m_8578413138297899596moz-txt-link-freetext" \
href="http://www.utc.fr/~mottelet" \
target="_blank">http://www.utc.fr/~mottelet</a></pre> </div>
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target="_blank">users@lists.scilab.org</a><br> <a \
href="http://lists.scilab.org/mailman/listinfo/users" target="_blank" \
rel="noreferrer">http://lists.scilab.org/mailman/listinfo/users</a><br> \
</blockquote></div>
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