Editing Release Notes (section)

==Release 1.5 (2013-07-24)==

===Additions and enhancements===

To the reproducible documents collection:

* jsg/fpwd: Accelerated plane-wave destruction (Chen, Fomel, and Lu)
* swag/tau: Wavefield extrapolation in pseudodepth domain (Ma and Alkhalifah)
* jsg/lfd: Lowrank finite-differences and lowrank Fourier finite-differences for seismic wave extrapolation in the acoustic approximation (Song, Fomel, and Ying)
* sep/waverays: Wavefront construction using waverays (Urdaneta)
* swag/itime: Automatic traveltime picking using the instantaneous traveltime (Saragiotis, Alkhalifah, and Fomel)
* trip/test: Extended modeling in Madagascar (Liu and Symes)
* uwa/geo2013ElasticModellingGPU: Solving 3D anisotropic elastic wave equations on parallel GPU devices (Weiss and Shragge)
* jsg/eikods: Kirchhoff migration using eikonal-based computation of traveltime source-derivatives (Li and Fomel)
* jsg/orthorhombic: Modeling of pseudo-acoustic P-waves in orthorhombic media with a lowrank approximation (Song and Alkhalifah)

To SCons:

* Upgraded to scons-2.3.0

To documentation:

* Selfdocs include links for programs of the month

To APIs:

* Added m8r function for running Madagscar programs from MATLAB
* If C++ compiler works, C++ interface is installed by default
* added support for FFTW in cosft

To the Python package:

* Added an ability to have list arguments in configure
* Added MKL support in configure
* Added selfdocs for placeholders in bldutil
* Extended parallel split for sfomp and sfmpi
* Disabled SSE check in configure

To programs:

* Added scalebar= option for sfgraph with depth=
* Added an ability to specify options for sfpen with SFPENOPTS
* Added opt= parameter in sfspectra
* sfpad2nextfastsize: wrapper for kiss_fft_next_fast_size so it can be called from scripts and SConstruct files. Python wrapper for it: rsf.user.sf.pad2nextfastsize()
* Added forcebw= and force_raster options for pspen
* Added snap= option for sffftwave2
* Added frame numbers for movies made with sfgraph
* Included lbfgs in user/sparse
* user/fangg: new contributor (Gang Fang)
* Added an ability to specify a colortable in a CSV file
* user/luke: new contributor (Luke Decker)
* Moved some programs from user/fomels to user/pwd
* sfzoom: example Tkinter script for interactive zooming
* sfsegyheader can take tfile= parameter for input trace headers
* Extended join= option in sfomp and sfmpi to support adding (join=0)
* user/seisinv: new contributor (Yujin Liu)
* RVL package from Bill Symes and The Rice Inversion Project
* iwave++ package from Bill Symes and The Rice Inversion Project
* Moved iwave, rvl, and iwav++ to trip
* sfheadermath works with integer input
* user/zedong: new contributor (Zedong Wu)
* add Misolr25.cc which is double precision version using lowrank 
* sfsegyheader: round-up for "delrt" and "dt" was fixed (aklokov)

===Bug fixes===

In the reproducible documents collection:

In documentation:

* Fixed nb= parameter in sfawefd2d and sfawefd3d

In APIs:

* Fixed from_either bug in F90 API

In the Python package:

In programs:

* Fixed bug with handling zero values in sfclip
* Fixed incorrect data size bug in sffindmo
* Fixed true colors in gdpen
* Fixed parallel split in sfomp and sfmpi
* Set o1= in sfsegyread
* Fixed memsize= checking in sftransp
* Fixed large-size limitation in sfpwspray2

In the build system:

* Replaced WhereIs('python') with sys.executable
* Check for OpenMP even at a single-CPU system
* Use integer*8 in f77 examples
* Fixed suitesparse configuration
* Fixed missing _vp.h dependence in pens/main