[FLASH-USERS] read FLASH hdf5 with C++

Samuel Friedman friedman at astro.wisc.edu
Tue May 4 12:14:50 EDT 2010


I found that the map_uniform example replicates loaddata.pro.  The only 
thing is that some variables needed to be weighted when being loaded in.  
For velocities, I had to multiply them by the mass (density x volume) at 
each grid point.  It has worked for me.

Sam

On Tue, 4 May 2010, Nathan Hearn wrote:

> Hi Silvia,
> 
>     I have written an interface to Flash HDF5 AMR files as a C++
> library called QuickFlash, which is available at
> 
> http://quickflash.sourceforge.net
> 
> It also includes a Python interface to the essential functions within
> the library.  QuickFlash supports on-demand block loading with caching
> and buffers, so it is fast and uses a fairly small amount of memory,
> even for many-gigabyte datasets.
> 
>     I should note that, while QuickFlash can be used to easily extract
> values to build a uniform mesh, there are no mesh interpolation
> routines at this time.  (Currently, I am trying to develop a general
> interface to allow different means of handling fine-course grid
> transitions.)  The version available on the SourceForge downloads page
> is a bit old, but I should have a new one with better documentation
> and more features soon.
> 
>     If you have any questions, please let me know.
> 
> 
> - Nathan
> 
> 
> 



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