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    <title type="text">Open Source Interface</title>
    <link rel="alternate" type="text/html" href="http://nuigroup.com/forums/" />
    <link rel="self" type="application/atom+xml" href="http://nuigroup.com/forums/atom/" />
    <updated></updated>
    <rights>Copyright (c) 2008</rights>
    <generator uri="http://www.pmachine.com/" version="1.5.2">ExpressionEngine</generator>
    <id>tag:nuigroup.com,2008:08:29</id>


    <entry>
      <title>Touchlib HelloWorld</title>
      <link rel="alternate" type="text/html" href="http://nuigroup.com/forums/viewthread/1380/" />      
      <id>tag:nuigroup.com,2008:forums/viewthread/.1380</id>
      <published>2008-02-17T09:22:49Z</published>
      <updated></updated>
      <author><name>Andrei Tudose</name></author>
      <content type="html">
      <![CDATA[
        <p>I am new to Touchlib. I&#8217;ve read a little about it, bu I can&#8217;t make it work. I&#8217;ve seen the demos and they work just fine but I want to create a &#8220;Hello World&#8221; app.
<br />
What is the simplest way to do that?
</p>
      ]]>
      </content>
    </entry>

    <entry>
      <title>Problems with barrel distortion correction filter</title>
      <link rel="alternate" type="text/html" href="http://nuigroup.com/forums/viewthread/2863/" />      
      <id>tag:nuigroup.com,2008:forums/viewthread/.2863</id>
      <published>2008-08-28T14:58:53Z</published>
      <updated></updated>
      <author><name>sandor</name></author>
      <content type="html">
      <![CDATA[
        <p>Hey Guys,
</p>
<p>
having problems with the plugin. I can start it and a video source appears (curiously it appears only if i select the USB option - but i am using a fire-i camera???). If i press &#8220;g&#8221; the calculation seems to start, but it never ends. I should see 10 steps, but it does not finishes even the first. I am using this settings in the .bat file:
</p>
<p>
touchlib_barreldistortion_tool.exe -w 6 -h 8 -s 2 -n 10 -b 20
</p>
<p>
I have attached an image how that looks&#8230;
</p>
<p>
Can one of you please give a helping hand?
</p>
<p>
Tank you in advance!
</p>
      ]]>
      </content>
    </entry>

    <entry>
      <title>MT Mouse Driver&#8212;MultiMouse</title>
      <link rel="alternate" type="text/html" href="http://nuigroup.com/forums/viewthread/2465/" />      
      <id>tag:nuigroup.com,2008:forums/viewthread/.2465</id>
      <published>2008-07-16T15:18:46Z</published>
      <updated>2008-07-16T18:22:47Z</updated>
      <author><name>risenparadigm</name></author>
      <content type="html">
      <![CDATA[
        <p>Hi everyone,
</p>
<p>
I&#8217;ve been promising to release this software for a very long time, but I&#8217;ve been slacking off, so here it is:
</p>
<p>
<span style="font-size:14px;"><a href="http://www.risenparadigm.com/multimouse">http://www.risenparadigm.com/multimouse</a></span>
</p>
<p>
<br>
</p>
<p>
***************************************************************************
<br />
<b>FEATURE LIST AND USAGE:</b>
<br />
***************************************************************************
<br />
<b>One Finger:</b>
</p>
<p>
   -Left-click: tap finger.&nbsp;  
<br />
   -Move cursor: hold and move the finger.
</p>
<p>
<b>Two Fingers:</b>
</p>
<p>
   -Left-click: place first finger as cursor and tap second finger to the left of it.&nbsp;  
<br />
   -Right-click: place first finger as cursor and tap second finger to the right of it.&nbsp;  
<br />
   -Drag-and-drop: place first finger as cursor, press and hold second finger to the left of it, move around, and release second finger to drop.
</p>
<p>
<b>Three Fingers:</b>
<br />
   
<br />
   -Scrolling: move up to scroll up and down to scroll down.&nbsp;  
<br />
   -Alt-tabbing: move left to &#8216;alt-tab&#8217; left, and right to &#8216;alt-tab&#8217; right.
</p>
<p>
***************************************************************************
</p>
<p>
I would really appreciate some suggestions/feedback. I have only tried it on a few setups so it&#8217;s bound to have some hiccups.
</p>
<p>
I&#8217;ll post the source code soon for those who are interested. I&#8217;m leaving for Japan in two days and things are a bit hectic right now,  but I will get to it as soon as possible.
</p>
<p>
Thanks,
<br />
risenparadigm
</p>
      ]]>
      </content>
    </entry>

    <entry>
      <title>Ogre3d &amp;amp; Visual C++ 2008 (v9) Compiling</title>
      <link rel="alternate" type="text/html" href="http://nuigroup.com/forums/viewthread/2626/" />      
      <id>tag:nuigroup.com,2008:forums/viewthread/.2626</id>
      <published>2008-07-31T21:56:13Z</published>
      <updated></updated>
      <author><name>Hackdan</name></author>
      <content type="html">
      <![CDATA[
        <p>Hi everyone i going post my experiments with ogre3d and opencv of curse all those things in touchlib integration.
</p>
<p>
The problems : 
<br />
-Many libs and headers files 
<br />
-Hard configuration 
<br />
-No integration 
</p>
<p>
Target
<br />
Wizard for VS 9
<br />
Simple lib and headers path for easy integration.
<br />
Both configuration ogre and opencv
</p>
<p>
Well go ahead....
</p>
<p>
first problem : typedef unsigned char uchar twice declaration in ogreprerequisites.h and cxtypes.h mmm&#8230;
<br />
link headers and libs problems i suppose. 
</p>
<p>
I coming soon with my advances, any suggestion welcome.
</p>
      ]]>
      </content>
    </entry>

    <entry>
      <title>No Camera Output in Linux</title>
      <link rel="alternate" type="text/html" href="http://nuigroup.com/forums/viewthread/2776/" />      
      <id>tag:nuigroup.com,2008:forums/viewthread/.2776</id>
      <published>2008-08-19T15:34:44Z</published>
      <updated></updated>
      <author><name>kraix</name></author>
      <content type="html">
      <![CDATA[
        <p>I am using a Logitech QuickCam Communicate MP.
</p>
<p>
I can compile touchlib successfully and have everything included, oscpack fftw. It compiles with no errors other than a few errors when converting floats and doubles to ints, and vice versa. However when I try and run ./src/configapp I get no visuals to give feedback from touchlib. My camera does initialize I assume since the camera has a light that turns on when it is in use, and the light turns on when I start touchlib. Also, my camera works when I capture from vlc or directly with ffmpeg, however it does not work when I try and use xawtv. I am using the UVCvideo module to run the camera.
</p>
<p>
I vaguely remember reading that the video output from cameras in Linux was disabled in order to prevent crashes caused by OSC. Is this correct? If so what code would I need to modify in order to allow output?
</p>
      ]]>
      </content>
    </entry>

    <entry>
      <title>Compilation issue for Touchlib in Visual C++ Express 2008 &#45; atlconv.h</title>
      <link rel="alternate" type="text/html" href="http://nuigroup.com/forums/viewthread/2491/" />      
      <id>tag:nuigroup.com,2008:forums/viewthread/.2491</id>
      <published>2008-07-18T15:11:26Z</published>
      <updated>2008-07-21T11:50:15Z</updated>
      <author><name>DustinFreeman</name></author>
      <content type="html">
      <![CDATA[
        <p>As explained in the title, I&#8217;m having an issue compiling Touchlib in Visual C++ Express 2008.&nbsp; This error has been mentioned twice in other forums, but no other solutions are mentioned:
</p>
<p>
<a href="http://nuigroup.com/forums/viewthread/1333/"><a href="http://nuigroup.com/forums/viewthread/1333/">http://nuigroup.com/forums/viewthread/1333/</a></a> (post 7)
<br />
<a href="http://nuigroup.com/forums/viewthread/48/"><a href="http://nuigroup.com/forums/viewthread/48/">http://nuigroup.com/forums/viewthread/48/</a></a> (post 15)
</p>
<p>
The error list looks like this:
<br />
1>main.cc
<br />
1>c:\program files\microsoft platform sdk for windows server 2003 r2\include\atl\atlconv.h(33) : error C2146: syntax error : missing &#8216;;&#8217; before identifier &#8216;_Atlosplatform&#8217;
<br />
1>c:\program files\microsoft platform sdk for windows server 2003 r2\include\atl\atlconv.h(33) : error C4430: missing type specifier - int assumed. Note: C++ does not support default-int
<br />
1>c:\program files\microsoft platform sdk for windows server 2003 r2\include\atl\atlconv.h(33) : error C4430: missing type specifier - int assumed. Note: C++ does not support default-int
<br />
1>c:\program files\microsoft platform sdk for windows server 2003 r2\include\atl\atlconv.h(34) : error C2146: syntax error : missing &#8216;;&#8217; before identifier &#8216;_AtlGetVersionEx&#8217;
<br />
1>c:\program files\microsoft platform sdk for windows server 2003 r2\include\atl\atlconv.h(34) : error C2433: &#8216;BOOL&#8217; : &#8216;inline&#8217; not permitted on data declarations
<br />
1>c:\program files\microsoft platform sdk for windows server 2003 r2\include\atl\atlconv.h(34) : error C4430: missing type specifier - int assumed. Note: C++ does not support default-int
<br />
1>c:\program files\microsoft platform sdk for windows server 2003 r2\include\atl\atlconv.h(35) : error C4430: missing type specifier - int assumed. Note: C++ does not support default-int
<br />
1>c:\program files\microsoft platform sdk for windows server 2003 r2\include\atl\atlconv.h(36) : error C2065: &#8216;OSVERSIONINFO&#8217; : undeclared identifier
<br />
1>c:\program files\microsoft platform sdk for windows server 2003 r2\include\atl\atlconv.h(36) : error C2146: syntax error : missing &#8216;;&#8217; before identifier &#8216;osi&#8217;
</p>
<p>
...blah blah blah....
</p>
<p>
it&#8217;s all in atlconv.h file, which is unmodified after I downloaded it as part of the Platform SDK for Windows Server 2003, R2. Why are there so many syntax errors in this file?
</p>
<p>
Thanks!
</p>
<p>
EDIT:
<br />
- I&#8217;ve gone through the forum, and done everything else already
<br />
- This error only occurs when I want to build configapp. Otherwise everything is great.
<br />
CORRECTION:
<br />
- the error actually occurs when I try to build demo_smoke. configapp is fine.
</p>
      ]]>
      </content>
    </entry>

    <entry>
      <title>Creating multitouch applications</title>
      <link rel="alternate" type="text/html" href="http://nuigroup.com/forums/viewthread/2360/" />      
      <id>tag:nuigroup.com,2008:forums/viewthread/.2360</id>
      <published>2008-07-03T15:04:37Z</published>
      <updated></updated>
      <author><name>nickdb93</name></author>
      <content type="html">
      <![CDATA[
        <p>Hi,
</p>
<p>
This doesn&#8217;t really have to do with TouchLib, but it does have to do with multitouch. I&#8217;m trying to use parts of Multi-Touch Vista (can be found on CodePlex) to create multitouch programmes in Visual C#, but I cannot figure out how to compile the files using Pipeline Builder. 
</p>
<p>
Any help? Message me if you need more info.
</p>
      ]]>
      </content>
    </entry>

    <entry>
      <title>A good c++ library for 3D animation&#63;&amp;nbsp;</title>
      <link rel="alternate" type="text/html" href="http://nuigroup.com/forums/viewthread/2157/" />      
      <id>tag:nuigroup.com,2008:forums/viewthread/.2157</id>
      <published>2008-06-12T05:53:07Z</published>
      <updated></updated>
      <author><name>knightmare0</name></author>
      <content type="html">
      <![CDATA[
        <p>Im planning on making a simple 3D animation with touchlib, anyone know any easy to learn/implement libraries for c++?
</p>
<p>
or any easy way to allow 3D animation with touchlib? I heard Adobe is working on flash that will allow smooth 3D animation, anyone know where I can find some tutorial on that?
</p>
<p>
thanks in advance.
</p>
      ]]>
      </content>
    </entry>

    <entry>
      <title>How Touchlib read the Bitmap data&#63;&amp;nbsp;</title>
      <link rel="alternate" type="text/html" href="http://nuigroup.com/forums/viewthread/2654/" />      
      <id>tag:nuigroup.com,2008:forums/viewthread/.2654</id>
      <published>2008-08-04T01:39:22Z</published>
      <updated></updated>
      <author><name>guoboxue</name></author>
      <content type="html">
      <![CDATA[
        <p>I meet the same problems,I want to use a captureing card which is made by a Chinese company and has SDK with which I can get the Bitmap data.I do not know how to replace the camera or avi file with my own Bitmap data.My captureing card is no USB socket. 
<br />
   Thank you very much!
</p>
      ]]>
      </content>
    </entry>

    <entry>
      <title>Custom Filters</title>
      <link rel="alternate" type="text/html" href="http://nuigroup.com/forums/viewthread/2410/" />      
      <id>tag:nuigroup.com,2008:forums/viewthread/.2410</id>
      <published>2008-07-09T09:28:04Z</published>
      <updated>2008-08-15T13:05:17Z</updated>
      <author><name>Eddy_D</name></author>
      <content type="html">
      <![CDATA[
        <p>I&#8217;ve found an easy way to use image processing filters not found in touchlib. Using a program called roborealm (<a href="http://www.roborealm.com/index.php">http://www.roborealm.com/index.php</a>) you can easily add and play around with different filters and send the output to Touchlib using the virtual camera driver (<a href="http://www.roborealm.com/help/Virtual_Camera_Driver.php">http://www.roborealm.com/help/Virtual_Camera_Driver.php</a>) as well as an updated &#8220;DSVL_config&#8221; file:
</p>
<p>
</p><div class="codeblock"><code>
<span style="color: #0000BB">&lt;?xml&nbsp;version</span><span style="color: #007700">=</span><span style="color: #DD0000">"1.0"&nbsp;</span><span style="color: #0000BB">encoding</span><span style="color: #007700">=</span><span style="color: #DD0000">"UTF-8"</span><span style="color: #0000BB">?&gt;<br /></span><span style="color: #007700">&lt;!--</span><span style="color: #0000BB">Sample&nbsp;XML&nbsp;file&nbsp;generated&nbsp;by&nbsp;XMLSpy&nbsp;v2005&nbsp;rel</span><span style="color: #007700">.&nbsp;</span><span style="color: #0000BB">3&nbsp;U&nbsp;</span><span style="color: #007700">(</span><span style="color: #0000BB">http</span><span style="color: #007700">:</span><span style="color: #FF8000">//www.altova.com)--&gt;<br /></span><span style="color: #007700">&lt;</span><span style="color: #0000BB">dsvl_input&nbsp;xmlns</span><span style="color: #007700">:</span><span style="color: #0000BB">xsi</span><span style="color: #007700">=</span><span style="color: #DD0000">"http://www.w3.org/2001/XMLSchema-instance"&nbsp;</span><span style="color: #0000BB">xsi</span><span style="color: #007700">:</span><span style="color: #0000BB">noNamespaceSchemaLocation</span><span style="color: #007700">=</span><span style="color: #DD0000">"DsVideoLib.xsd"</span><span style="color: #007700">&gt;<br /><br />&nbsp;&nbsp;&lt;</span><span style="color: #0000BB">camera&nbsp;input_device</span><span style="color: #007700">=</span><span style="color: #DD0000">"roborealm"&nbsp;</span><span style="color: #0000BB">frame_width</span><span style="color: #007700">=</span><span style="color: #DD0000">"640"&nbsp;</span><span style="color: #0000BB">frame_height</span><span style="color: #007700">=</span><span style="color: #DD0000">"480"&nbsp;</span><span style="color: #0000BB">frame_rate</span><span style="color: #007700">=</span><span style="color: #DD0000">"30.0"&nbsp;</span><span style="color: #0000BB">show_format_dialog</span><span style="color: #007700">=</span><span style="color: #DD0000">"true"</span><span style="color: #007700">&gt;<br />&nbsp;&nbsp;<br />&nbsp;&nbsp;&nbsp;&nbsp;&lt;</span><span style="color: #0000BB">pixel_format</span><span style="color: #007700">&gt;<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&lt;</span><span style="color: #0000BB">RGB24</span><span style="color: #007700">/&gt;&nbsp;&nbsp;&nbsp;&nbsp;<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&lt;/</span><span style="color: #0000BB">pixel_format</span><span style="color: #007700">&gt;<br />&nbsp;&nbsp;&nbsp;&nbsp;&lt;/</span><span style="color: #0000BB">camera</span><span style="color: #007700">&gt;<br /><br />&lt;/</span><span style="color: #0000BB">dsvl_input</span><span style="color: #007700">&gt;</span>
</code></div><p>
</p>
<p>
It works very well.
</p>
<p>
However  the project I&#8217;m working on requires another filter to be written from scratch to perform the Radon Transform of a pre filtered video source to help detect fingers and a peak detection algorithm to detect finger tips. In order to integrate a new filter into touchlib what do I have to add to the source file of my custom filter and what other source files do I need to modify?
</p>
      ]]>
      </content>
    </entry>


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