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The time now is Wed Feb 22, 2012 10:46 pm
Ramonfincken.com Forum Index		 View unanswered posts
[matlab][solution][java] Using double or 2d double[][] array in Java JA builder
Author ramon fincken :: Posted: Tue Feb 14, 2012 11:01 am :: Category: Lounge
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If you need to have access to a double use:

for double:
Code:
double foo = ((MWNumericArray) result[0]).getDouble();


for double[][]:
Code:
MWNumericArray mytemp = ((MWNumericArray) result[1])
double[][] bar = (double[][]) mytemp.toDoubleArray();


especially the 2-dimensional double array was badly documented, so use this to your advantage.

[imagej] Commandline resize image
Author ramon fincken :: Posted: Fri Dec 02, 2011 12:59 pm :: Category: HTML and other markup&programming languages
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resize an image and write the result as PNG

Code:
   /**
    * @author Ramon Fincken, http://www.ramonfincken.com/permalink/topic241.html
    * @param source
    * @param write_to_png
    * @param width_factor
    * @param height_factor
    */
   public void resize_by(String source, String write_to_png, double width_factor, double height_factor)
   {
      ImagePlus imp1 = IJ.openImage(source);
      ImageProcessor ip=imp1.getProcessor();
      
      int new_width = (int)(ip.getWidth() * width_factor); 
      int new_height = (int)(ip.getHeight() * height_factor);
      
      ip = ip.resize(new_width, new_height);
      
      imp1.setProcessor(ip);
      WindowManager.setTempCurrentImage(imp1);
      IJ.saveAs("PNG", write_to_png);         
   }

[linux] Commandline mass batch convert image types
Author ramon fincken :: Posted: Thu Dec 01, 2011 3:23 pm :: Category: HTML and other markup&programming languages
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Example how to convert *.tif to *.png with same filenames

  • Install imageMagick
  • Run this command
    Code:
    mogrify -format png *.tif


[imagej][bunwarpj] Commandline call solution (closes thread)
Author ramon fincken :: Posted: Mon Nov 21, 2011 12:42 pm :: Category: HTML and other markup&programming languages
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Running bUnwarpJ from command line or as s Servlet?

I experienced that every thread was auto closed.
Turns out to be that the main method
Code:
public static void main

has an explicit
Code:
System.exit(0);
..

To resolve this .. simply remove or comment out this line in source.

Like this:
Code:
       // Ramon Fincken : No need to exit when called from servlet http://www.ramonfincken.com/permalink/topic239.html
       // System.exit(0);

[matlab][Solution] Running mysql commands in Matlab on linux (Centos) 64 bit
Author ramon fincken :: Posted: Thu Nov 10, 2011 2:59 pm :: Category: Lounge
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Download the source at http://www.cims.nyu.edu/~almgren/mysql/

Make sure you have these packages intalled:
mysql-devel-5.0.77-4.el5_6.6.x86_64 ( or simular )
mysqlckient14-devel-4.1.22-1.el5.centos.x86_64 ( or simular )

perhaps also this one:
mysql-connector-odbc-3.51.26r1127-1.el5.x86_64

verify that your have mysql.h and libmysqlclient.a
by checking their paths using

Code:
sudo updatedb
locate mysql.h
locate libmysqlclient.a


Now visit matlab and mex the whole lot ( you need a gcc compiler to do this ! )
Code:
mex -I/usr/include/mysql -L/usr/lib/mysql -lmysqlclient mysql.cpp


adapt your paths so in my case
Code:
mex -I/usr/include/mysql -L/usr/lib64/mysql -lmysqlclient mysql.cpp


the paths can be found using the locate command (see above)

If all goes well .. you 'll end with a new file called mysql.mexa64 and you are ready to start your mysql business!

Solution ubuntu bootloader install failed 11.04
Author ramon fincken :: Posted: Thu Oct 13, 2011 5:00 pm :: Category: Ubuntu
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I was trying to install Ubuntu 11.04 and it kept failing on the last part .. the bootloader.

Installing grub from live cd did not work either..

Then I unplugged my RAID card which had a RAID 1 set up for my (fstab mount) home drives.

The installation went well afther that!

Do not forget to install dmraid to see your drives again Wink

[matlab] UIJ_AreThereWindowShowsPending - timeout waiting for window to show up. figure
Author ramon fincken :: Posted: Mon Sep 26, 2011 9:47 am :: Category: Lounge
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Seeing this error?
Code:
UIJ_AreThereWindowShowsPending - timeout waiting for window
to show up.


even after
Code:
figure;
?

Does this not help?
http://www.mathworks.com/matlabcentral/...ead/155786

Close matlab and start matlab again. Worked for me at Centos 64bit

[centos] Missing Dependency: tcp_wrappers is needed by package 1:nfs-utils-1.0.9-54.el5.x86_64 (base)
Author ramon fincken :: Posted: Thu Sep 15, 2011 6:26 am :: Category: Lounge
Tagged: , , , , , ,
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CentOS 64 bit

Missing Dependency: tcp_wrappers is needed by package

It turned out that i had tcp_wrappers installed for both 32 bit as well as 64 bit.
Removing the 32 bit solved the problem.

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