gnu/packages/image-processing.scm

   1 ;;; GNU Guix --- Functional package management for GNU
   2 ;;; Copyright © 2017 John Darrington <jmd@gnu.org>
   3 ;;; Copyright © 2017, 2019 Ricardo Wurmus <rekado@elephly.net>
   4 ;;; Copyright © 2014 Ludovic Courtès <ludo@gnu.org>
   5 ;;; Copyright © 2014 Mark H Weaver <mhw@netris.org>
   6 ;;; Copyright © 2016 Eric Bavier <bavier@member.fsf.org>
   7 ;;; Copyright © 2018, 2019 Tobias Geerinckx-Rice <me@tobias.gr>
   8 ;;; Copyright © 2018 Björn Höfling <bjoern.hoefling@bjoernhoefling.de>
   9 ;;; Copyright © 2018 Lprndn <guix@lprndn.info>
  10 ;;; Copyright © 2019 Efraim Flashner <efraim@flashner.co.il>
  11 ;;;
  12 ;;; This file is part of GNU Guix.
  13 ;;;
  14 ;;; GNU Guix is free software; you can redistribute it and/or modify it
  15 ;;; under the terms of the GNU General Public License as published by
  16 ;;; the Free Software Foundation; either version 3 of the License, or (at
  17 ;;; your option) any later version.
  18 ;;;
  19 ;;; GNU Guix is distributed in the hope that it will be useful, but
  20 ;;; WITHOUT ANY WARRANTY; without even the implied warranty of
  21 ;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  22 ;;; GNU General Public License for more details.
  23 ;;;
  24 ;;; You should have received a copy of the GNU General Public License
  25 ;;; along with GNU Guix.  If not, see <http://www.gnu.org/licenses/>.
  26
  27 (define-module (gnu packages image-processing)
  28   #:use-module ((guix licenses) #:prefix license:)
  29   #:use-module (guix packages)
  30   #:use-module (guix utils)
  31   #:use-module (guix download)
  32   #:use-module (guix git-download)
  33   #:use-module (guix build-system cmake)
  34   #:use-module (guix build-system gnu)
  35   #:use-module (gnu packages)
  36   #:use-module (gnu packages algebra)
  37   #:use-module (gnu packages bison)
  38   #:use-module (gnu packages boost)
  39   #:use-module (gnu packages compression)
  40   #:use-module (gnu packages documentation)
  41   #:use-module (gnu packages flex)
  42   #:use-module (gnu packages fontutils)
  43   #:use-module (gnu packages ghostscript)
  44   #:use-module (gnu packages gl)
  45   #:use-module (gnu packages glib)
  46   #:use-module (gnu packages gnome)
  47   #:use-module (gnu packages graphics)
  48   #:use-module (gnu packages graphviz)
  49   #:use-module (gnu packages gstreamer)
  50   #:use-module (gnu packages gtk)
  51   #:use-module (gnu packages image)
  52   #:use-module (gnu packages imagemagick)
  53   #:use-module (gnu packages maths)
  54   #:use-module (gnu packages pdf)
  55   #:use-module (gnu packages perl)
  56   #:use-module (gnu packages photo)
  57   #:use-module (gnu packages pkg-config)
  58   #:use-module (gnu packages protobuf)
  59   #:use-module (gnu packages python)
  60   #:use-module (gnu packages python-xyz)
  61   #:use-module (gnu packages serialization)
  62   #:use-module (gnu packages tls)
  63   #:use-module (gnu packages video)
  64   #:use-module (gnu packages xiph)
  65   #:use-module (gnu packages xml)
  66   #:use-module (gnu packages xorg)
  67   #:use-module (ice-9 match)
  68   #:use-module (srfi srfi-1))
  69
  70 (define-public dcmtk
  71   (package
  72     (name "dcmtk")
  73     (version "3.6.4")
  74     (source
  75      (origin
  76        (method url-fetch)
  77        (uri
  78         (string-append "ftp://dicom.offis.de/pub/dicom/offis/software/dcmtk/"
  79                        "dcmtk" (string-join (string-split version #\.) "")
  80                        "/dcmtk-" version ".tar.gz"))
  81        (sha256
  82         (base32 "1h22z8g0kmvhg8lgkbikyzyphhvxvq6018a00yd6i4g0z9ag6gx9"))))
  83     (build-system cmake-build-system)
  84     (inputs
  85      `(;; Our ICU is too recent: “error: ‘UChar’ does not name a type“.
  86        ;; ("icu4c" ,icu4c)
  87        ("libjpeg" ,libjpeg)
  88        ("libpng" ,libpng)
  89        ("libtiff" ,libtiff)
  90        ("libxml2" ,libxml2)
  91        ("openssl" ,openssl)
  92        ("zlib" ,zlib)))
  93     (native-inputs
  94      `(("doxygen" ,doxygen)))           ; for HTML documentation
  95     (home-page "https://dcmtk.org")
  96     (synopsis "Libraries and programs implementing parts of the DICOM standard")
  97     (description "DCMTK is a collection of libraries and applications
  98 implementing large parts the DICOM standard.  It includes software for
  99 examining, constructing and converting DICOM image files, handling offline
 100 media, sending and receiving images over a network connection, as well as
 101 demonstrative image storage and worklist servers.")
 102     (license (license:fsf-free
 103               "file://COPYRIGHT"
 104               "A union of the Apache 2.0 licence and various non-copyleft
 105 licences similar to the Modified BSD licence."))))
 106
 107 (define-public mia
 108   (package
 109     (name "mia")
 110     (version "2.4.6")
 111     (source (origin
 112               (method url-fetch)
 113               (uri (string-append "mirror://sourceforge/mia/mia/"
 114                                   (version-major+minor version)
 115                                   "/mia-" version ".tar.xz"))
 116               (sha256
 117                (base32
 118                 "0j4nd5z7i3v199jh7hqqhwd4g7snchizkc7rhzanpvngqg91m1pb"))))
 119     (build-system cmake-build-system)
 120     (arguments
 121      `(#:configure-flags
 122        (list "-DMIA_CREATE_NIPYPE_INTERFACES=0"
 123              "-DCMAKE_CXX_FLAGS=-fpermissive")))
 124     (inputs
 125      `(("boost" ,boost)
 126        ("dcmtk" ,dcmtk)
 127        ("doxygen" ,doxygen)
 128        ("eigen" ,eigen)
 129        ("fftw" ,fftw)
 130        ("fftwf" ,fftwf)
 131        ("gsl" ,gsl)
 132        ("gts" ,gts)
 133        ("hdf5" ,hdf5)
 134        ("itpp" ,itpp)
 135        ("libjpeg" ,libjpeg)
 136        ("libpng" ,libpng)
 137        ("libtiff" ,libtiff)
 138        ("libxml" ,libxml2)
 139        ("libxml++" ,libxml++)
 140        ("maxflow" ,maxflow)
 141        ("niftilib" ,niftilib)
 142        ("nlopt" ,nlopt)
 143        ("openexr" ,openexr)
 144        ("python-lxml" ,python2-lxml)
 145        ("vtk" ,vtk)))
 146     (native-inputs
 147      `(("pkg-config" ,pkg-config)
 148        ("python" ,python-2)))
 149     (home-page "http://mia.sourceforge.net")
 150     (synopsis "Toolkit for gray scale medical image analysis")
 151     (description "MIA provides a combination of command line tools, plug-ins,
 152 and libraries that make it possible run image processing tasks interactively
 153 in a command shell and to prototype using the shell's scripting language.  It
 154 is built around a plug-in structure that makes it easy to add functionality
 155 without compromising the original code base and it makes use of a wide variety
 156 of external libraries that provide additional functionality.")
 157     (license license:gpl3+)))
 158
 159 (define-public vtk
 160   (package
 161     (name "vtk")
 162     (version "8.2.0")
 163     (source (origin
 164               (method url-fetch)
 165               (uri (string-append "https://vtk.org/files/release/"
 166                                   (version-major+minor version)
 167                                   "/VTK-" version ".tar.gz"))
 168               (sha256
 169                (base32
 170                 "1fspgp8k0myr6p2a6wkc21ldcswb4bvmb484m12mxgk1a9vxrhrl"))))
 171     (build-system cmake-build-system)
 172     (arguments
 173      '(#:build-type "Release"           ;Build without '-g' to save space.
 174        ;; -DVTK_USE_SYSTEM_NETCDF:BOOL=TRUE requires netcdf_cxx
 175        #:configure-flags '("-DVTK_USE_SYSTEM_EXPAT:BOOL=TRUE"
 176                            "-DVTK_USE_SYSTEM_FREETYPE:BOOL=TRUE"
 177                            "-DVTK_USE_SYSTEM_HDF5:BOOL=TRUE"
 178                            "-DVTK_USE_SYSTEM_JPEG:BOOL=TRUE"
 179                            "-DVTK_USE_SYSTEM_JSONCPP:BOOL=TRUE"
 180                            "-DVTK_USE_SYSTEM_LIBXML2:BOOL=TRUE"
 181                            "-DVTK_USE_SYSTEM_OGGTHEORA:BOOL=TRUE"
 182                            "-DVTK_USE_SYSTEM_PNG:BOOL=TRUE"
 183                            "-DVTK_USE_SYSTEM_TIFF:BOOL=TRUE"
 184                            "-DVTK_USE_SYSTEM_ZLIB:BOOL=TRUE")
 185        #:tests? #f))                              ;XXX: no "test" target
 186     (inputs
 187      `(("libXt" ,libxt)
 188        ("xorgproto" ,xorgproto)
 189        ("libX11" ,libx11)
 190        ("libxml2" ,libxml2)
 191        ("mesa" ,mesa)
 192        ("glu" ,glu)
 193        ("expat" ,expat)
 194        ("freetype" ,freetype)
 195        ("hdf5" ,hdf5)
 196        ("jpeg" ,libjpeg)
 197        ("jsoncpp" ,jsoncpp)
 198        ("libogg" ,libogg)
 199        ("libtheora" ,libtheora)
 200        ("png" ,libpng)
 201        ("tiff" ,libtiff)
 202        ("zlib" ,zlib)))
 203     (home-page "https://vtk.org/")
 204     (synopsis "Libraries for 3D computer graphics")
 205     (description
 206      "The Visualization Toolkit (VTK) is a C++ library for 3D computer graphics,
 207 image processing and visualization.  It supports a wide variety of
 208 visualization algorithms including: scalar, vector, tensor, texture, and
 209 volumetric methods; and advanced modeling techniques such as: implicit
 210 modeling, polygon reduction, mesh smoothing, cutting, contouring, and Delaunay
 211 triangulation.  VTK has an extensive information visualization framework, has
 212 a suite of 3D interaction widgets, supports parallel processing, and
 213 integrates with various databases on GUI toolkits such as Qt and Tk.")
 214     (license license:bsd-3)))
 215
 216 ;; itksnap needs an older variant of VTK.
 217 (define-public vtk-6
 218   (package (inherit vtk)
 219     (version "6.3.0")
 220     (source (origin
 221               (method url-fetch)
 222               (uri (string-append "https://vtk.org/files/release/"
 223                                   (version-major+minor version)
 224                                   "/VTK-" version ".tar.gz"))
 225               (sha256
 226                (base32
 227                 "0pla1r5mvkgl4sl213gfdhzrypdgai0h3z5mfgm6p9jz9hsr794j"))))
 228     (inputs
 229      `(("jsoncpp" ,jsoncpp-for-tensorflow)
 230        ,@(alist-delete "jsoncpp" (package-inputs vtk))))))
 231
 232 (define-public opencv
 233   (package
 234     (name "opencv")
 235     (version "3.4.3")
 236     (source (origin
 237               (method git-fetch)
 238               (uri (git-reference
 239                      (url "https://github.com/opencv/opencv")
 240                      (commit version)))
 241               (file-name (git-file-name name version))
 242               (sha256
 243                (base32
 244                 "06bc61r8myym4s8im10brdjfg4wxkrvsbhhl7vr1msdan2xddzi3"))
 245               (modules '((guix build utils)))
 246               (snippet
 247                '(begin
 248                   ;; Remove external libraries. We have all available in Guix:
 249                   (delete-file-recursively "3rdparty")
 250
 251                   ;; Milky icon set is non-free:
 252                   (delete-file-recursively "modules/highgui/src/files_Qt/Milky")
 253
 254                   ;; Some jars found:
 255                   (for-each delete-file
 256                             '("modules/java/test/pure_test/lib/junit-4.11.jar"
 257                               "samples/java/sbt/sbt/sbt-launch.jar"))
 258                   #t))))
 259     (build-system cmake-build-system)
 260     (arguments
 261      `(#:configure-flags
 262        (list "-DWITH_IPP=OFF"
 263              "-DWITH_ITT=OFF"
 264              "-DWITH_CAROTENE=OFF" ; only visible on arm/aarch64
 265              "-DENABLE_PRECOMPILED_HEADERS=OFF"
 266
 267              ;; CPU-Features:
 268              ;; See cmake/OpenCVCompilerOptimizations.cmake
 269              ;; (CPU_ALL_OPTIMIZATIONS) for a list of all optimizations
 270              ;; BASELINE is the minimum optimization all CPUs must support
 271              ;;
 272              ;; DISPATCH is the list of optional dispatches.
 273              "-DCPU_BASELINE=SSE2"
 274
 275              ,@(match (%current-system)
 276                  ("x86_64-linux"
 277                   '("-DCPU_DISPATCH=NEON;VFPV3;FP16;SSE;SSE2;SSE3;SSSE3;SSE4_1;SSE4_2;POPCNT;AVX;FP16;AVX2;FMA3;AVX_512F;AVX512_SKX"
 278                     "-DCPU_DISPATCH_REQUIRE=SSE3,SSSE3,SSE4_1,SSE4_2,AVX,AVX2"))
 279                  ("armhf-linux"
 280                   '("-DCPU_BASELINE_DISABLE=NEON")) ; causes build failures
 281                  ("aarch64-linux"
 282                   '("-DCPU_BASELINE=NEON"
 283                     "-DCPU_DISPATCH=NEON;VFPV3;FP16"))
 284                  (_ '()))
 285
 286              "-DBUILD_PERF_TESTS=OFF"
 287              "-DBUILD_TESTS=ON"
 288
 289              (string-append "-DOPENCV_EXTRA_MODULES_PATH=" (getcwd)
 290                             "/opencv-contrib/modules")
 291
 292              ;;Define test data:
 293              (string-append "-DOPENCV_TEST_DATA_PATH=" (getcwd)
 294                             "/opencv-extra/testdata")
 295
 296              ;; Is ON by default and would try to rebuild 3rd-party protobuf,
 297              ;; which we had removed, which would lead to an error:
 298              "-DBUILD_PROTOBUF=OFF"
 299
 300              ;; Rebuild protobuf files, because we have a slightly different
 301              ;; version than the included one. If we would not update, we
 302              ;; would get a compile error later:
 303              "-DPROTOBUF_UPDATE_FILES=ON"
 304
 305              ;; xfeatures2d disabled, because it downloads extra binaries from
 306              ;; https://github.com/opencv/opencv_3rdparty
 307              ;; defined in xfeatures2d/cmake/download_{vgg|bootdesc}.cmake
 308              ;; Cmp this bug entry:
 309              ;; https://github.com/opencv/opencv_contrib/issues/1131
 310              "-DBUILD_opencv_xfeatures2d=OFF")
 311        #:phases
 312        (modify-phases %standard-phases
 313          (add-after 'unpack 'disable-broken-tests
 314            (lambda _
 315              ;; These tests fails with:
 316              ;; vtkXOpenGLRenderWindow (0x723990): Could not find a decent config
 317              ;; I think we have no OpenGL support with the Xvfb.
 318              (substitute* '("modules/viz/test/test_tutorial3.cpp"
 319                             "modules/viz/test/test_main.cpp"
 320                             "modules/viz/test/tests_simple.cpp"
 321                             "modules/viz/test/test_viz3d.cpp")
 322                (("(TEST\\(Viz, )([a-z].*\\).*)" all pre post)
 323                 (string-append pre "DISABLED_" post)))
 324
 325              ;; This one fails with "unknown file: Failure"
 326              ;; But I couldn't figure out which file was missing:
 327              (substitute* "../opencv-contrib/modules/face/test/test_face_align.cpp"
 328                (("(TEST\\(CV_Face_FacemarkKazemi, )(can_detect_landmarks\\).*)"
 329                  all pre post)
 330                 (string-append pre "DISABLED_" post)))
 331
 332              ;; Failure reason: Bad accuracy
 333              ;; Incorrect count of accurate poses [2nd case]: 90.000000 / 94.000000
 334              (substitute* "../opencv-contrib/modules/rgbd/test/test_odometry.cpp"
 335                (("(TEST\\(RGBD_Odometry_Rgbd, )(algorithmic\\).*)" all pre post)
 336                 (string-append pre "DISABLED_" post)))
 337              #t))
 338
 339          (add-after 'unpack 'unpack-submodule-sources
 340            (lambda* (#:key inputs #:allow-other-keys)
 341              (mkdir "../opencv-extra")
 342              (mkdir "../opencv-contrib")
 343              (copy-recursively (assoc-ref inputs "opencv-extra")
 344                                "../opencv-extra")
 345              (invoke "tar" "xvf"
 346                      (assoc-ref inputs "opencv-contrib")
 347                      "--strip-components=1"
 348                      "-C" "../opencv-contrib")))
 349
 350          (add-after 'set-paths 'add-ilmbase-include-path
 351            (lambda* (#:key inputs #:allow-other-keys)
 352            ;; OpenEXR propagates ilmbase, but its include files do not appear
 353            ;; in the CPATH, so we need to add "$ilmbase/include/OpenEXR/" to
 354            ;; the CPATH to satisfy the dependency on "ImathVec.h".
 355            (setenv "CPATH"
 356                    (string-append (assoc-ref inputs "ilmbase")
 357                                   "/include/OpenEXR"
 358                                   ":" (or (getenv "CPATH") "")))
 359            #t))
 360        (add-before 'check 'start-xserver
 361          (lambda* (#:key inputs #:allow-other-keys)
 362            (let ((xorg-server (assoc-ref inputs "xorg-server"))
 363                  (disp ":1"))
 364              (setenv "HOME" (getcwd))
 365              (setenv "DISPLAY" disp)
 366              ;; There must be a running X server and make check doesn't start one.
 367              ;; Therefore we must do it.
 368              (zero? (system (format #f "~a/bin/Xvfb ~a &" xorg-server disp)))))))))
 369     (native-inputs
 370      `(("pkg-config" ,pkg-config)
 371        ("xorg-server" ,xorg-server) ; For running the tests
 372        ("opencv-extra"
 373         ,(origin
 374            (method git-fetch)
 375            (uri (git-reference
 376                   (url "https://github.com/opencv/opencv_extra")
 377                   (commit version)))
 378            (file-name (git-file-name "opencv_extra" version))
 379            (sha256
 380             (base32 "08p5xnq8n1jw8svvz0fnirfg7q8dm3p4a5dl7527s5xj0f9qn7lp"))))
 381        ("opencv-contrib"
 382         ,(origin
 383            (method git-fetch)
 384            (uri (git-reference
 385                   (url "https://github.com/opencv/opencv_contrib")
 386                   (commit version)))
 387            (file-name (git-file-name "opencv_contrib" version))
 388            (patches (search-patches "opencv-rgbd-aarch64-test-fix.patch"))
 389            (sha256
 390             (base32 "1f334glf39nk42mpqq6j732h3ql2mpz89jd4mcl678s8n73nfjh2"))))))
 391     (inputs `(("libjpeg" ,libjpeg)
 392               ("libpng" ,libpng)
 393               ("jasper" ,jasper)
 394               ;; ffmpeg 4.0 causes core dumps in tests.
 395               ("ffmpeg" ,ffmpeg-3.4)
 396               ("libtiff" ,libtiff)
 397               ("hdf5" ,hdf5)
 398               ("libgphoto2" ,libgphoto2)
 399               ("libwebp" ,libwebp)
 400               ("zlib" ,zlib)
 401               ("gtkglext" ,gtkglext)
 402               ("openexr" ,openexr)
 403               ("ilmbase" ,ilmbase)
 404               ("gtk+" ,gtk+-2)
 405               ("python-numpy" ,python-numpy)
 406               ("protobuf" ,protobuf)
 407               ("vtk" ,vtk)
 408               ("python" ,python)))
 409     ;; These three CVEs are not a problem of OpenCV, see:
 410     ;; https://github.com/opencv/opencv/issues/10998
 411     (properties '((lint-hidden-cve . ("CVE-2018-7712"
 412                                       "CVE-2018-7713"
 413                                       "CVE-2018-7714"))))
 414     (synopsis "Computer vision library")
 415     (description "OpenCV is a library aimed at
 416 real-time computer vision, including several hundred computer
 417 vision algorithms.  It can be used to do things like:
 418
 419 @itemize
 420 @item image and video input and output
 421 @item image and video processing
 422 @item displaying
 423 @item feature recognition
 424 @item segmentation
 425 @item facial recognition
 426 @item stereo vision
 427 @item structure from motion
 428 @item augmented reality
 429 @item machine learning
 430 @end itemize\n")
 431     (home-page "https://opencv.org/")
 432     (license license:bsd-3)))
 433
 434 (define-public vips
 435   (package
 436     (name "vips")
 437     (version "8.7.4")
 438     (source
 439      (origin
 440        (method url-fetch)
 441        (uri (string-append
 442              "https://github.com/libvips/libvips/releases/download/v"
 443              version "/vips-" version ".tar.gz"))
 444        (sha256
 445         (base32 "01gjhcrl6zj7mcj1al717v5jsniahplqhz1xkfh2j78vyfl1hxff"))))
 446     (build-system gnu-build-system)
 447     (native-inputs
 448      `(("pkg-config" ,pkg-config)
 449        ("gobject-introspection" ,gobject-introspection)))
 450     (inputs
 451      `(("glib" ,glib)
 452        ("libjpeg" ,libjpeg)
 453        ("libpng" ,libpng)
 454        ("librsvg" ,librsvg)
 455        ("libtiff" ,libtiff)
 456        ("libexif" ,libexif)
 457        ("giflib" ,giflib)
 458        ("libgsf" ,libgsf)
 459        ("fftw" ,fftw)
 460        ("poppler" ,poppler)
 461        ("pango" ,pango)
 462        ("lcms" ,lcms)
 463        ("matio" ,matio)
 464        ("libwebp" ,libwebp)
 465        ("niftilib" ,niftilib)
 466        ("openexr" ,openexr)
 467        ("orc" ,orc)
 468        ("imagemagick" ,imagemagick)
 469        ("libxml2" ,libxml2)
 470        ("expat" ,expat)
 471        ("hdf5" ,hdf5)))
 472     (home-page "https://libvips.github.io/libvips/")
 473     (synopsis "Multithreaded image processing system with low memory needs")
 474     (description
 475      "VIPS is a demand-driven, horizontally threaded image processing library.
 476 It's particularly good at processing large images, working with colour,
 477 scientific analysis, and general research & development.
 478
 479 Compared to most image processing libraries VIPS needs little RAM and runs
 480 quickly, especially on machines with more than one CPU core.  This is primarily
 481 due to its architecture which automatically parallelises the image workflows.")
 482     (license license:lgpl2.1+)))
 483
 484 (define-public nip2
 485   (package
 486     (name "nip2")
 487     (version "8.7.1")
 488     (source
 489      (origin
 490        (method url-fetch)
 491        (uri (string-append "https://github.com/libvips/nip2/releases/download/v"
 492                            version "/nip2-" version ".tar.gz" ))
 493        (sha256
 494         (base32 "0l7n427njif53npqn02gfjjly8y3khbrkzqxp10j5vp9h97psgiw"))))
 495     (build-system gnu-build-system)
 496     (arguments
 497      `(#:phases
 498        (modify-phases %standard-phases
 499          ;; test_conv.ws keep failing so disabling for now.
 500          (add-after 'unpack 'disable-test-conv
 501            (lambda _
 502              (delete-file "test/workspaces/test_conv.ws")
 503              #t))
 504          (add-before 'check 'set-home
 505            (lambda _
 506              (setenv "HOME" "/tmp") #t)))))
 507     (inputs
 508      `(("vips" ,vips)
 509        ("glib" ,glib)
 510        ("libtiff" ,libtiff)
 511        ("gtk+-2" ,gtk+-2)
 512        ("libxml2" ,libxml2)
 513        ("libexif" ,libexif)
 514        ("libjpeg" ,libjpeg)             ; required by vips.pc
 515        ("librsvg" ,librsvg)
 516        ("fftw" ,fftw)
 517        ("libgsf" ,libgsf)
 518        ("imagemagick" ,imagemagick)
 519        ("orc" ,orc)
 520        ("matio" ,matio)
 521        ("lcms" ,lcms)
 522        ("libwebp" ,libwebp)
 523        ("openexr" ,openexr)
 524        ("poppler" ,poppler)
 525        ("gsl" ,gsl)))
 526     (native-inputs
 527      `(("flex" ,flex)
 528        ("bison" ,bison)
 529        ("pkg-config" ,pkg-config)))
 530     (home-page "https://github.com/libvips/nip2")
 531     (synopsis "Spreadsheet-like GUI for libvips")
 532     (description "This package provide a graphical user interface (GUI) for
 533 the VIPS image processing library.  It's a little like a spreadsheet: you
 534 create a set of formula connecting your objects together, and on a change nip2
 535 recalculates.")
 536     (license license:gpl2+)))