how to convert Pdf to image via imagemagick command?
<p>I am using following environment:</p>

<p>Ubunut : 11.0 (virtual machine)
Imagemagick : ImageMagick-6.9.3-7</p>

<p>I have execut following command:</p>

<pre><code>wget http://www.imagemagick.org/download/ImageMagick.tar.gz
tar xzvf ImageMagick.tar.gz
ls
cd ImageMagick&lt;version number here&gt;/
./configure
make clean
make
sudo make install
ldconfig /usr/local/lib
</code></pre>

<p>After executing below command:</p>

<pre><code>make check
</code></pre>

<p>40 test case 39 pass only 1 is fail (FAIL: tests/wandtest.tap 1)</p>

<p>Now i want to convert pdf file to jpg via command:</p>

<pre><code>convert test.pdf test.jpg
</code></pre>

<p>convert: no decode delegate for this image format <code>PNG' @ error/constitute.c/ReadImage/501.
convert: no images defined</code>test.jpg' @ error/convert.c/ConvertImageCommand/3252</p>

<pre><code>convert test.pdf test.png
</code></pre>

<p>convert: no decode delegate for this image format <code>PNG' @ error/constitute.c/ReadImage/501.
convert: no images defined</code>test.png' @ error/convert.c/ConvertImageCommand/3252.</p>

<p>anyone can suggest me how can i do ?</p>