/usr/share/gimp/2.0/scripts/land.scm is in gimp-data 2.8.16-1ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 | ; GIMP - The GNU Image Manipulation Program
; Copyright (C) 1995 Spencer Kimball and Peter Mattis
;
; Land --- create a pattern that resembles a Topographic map
; Copyright (C) 1997 Adrian Karstan Likins
; aklikins@eos.ncsu.edu
;
;
; This script works on the current gradient you have loaded.
; Some suggested gradients:
; Land (produces a earthlike map)
; Brushed_aluminum (looks like the moon)
;
;
; Thanks to Quartic for helping me debug this thing.
;
; This program is free software: you can redistribute it and/or modify
; it under the terms of the GNU General Public License as published by
; the Free Software Foundation; either version 3 of the License, or
; (at your option) any later version.
;
; This program is distributed in the hope that it will be useful,
; but WITHOUT ANY WARRANTY; without even the implied warranty of
; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
; GNU General Public License for more details.
;
; You should have received a copy of the GNU General Public License
; along with this program. If not, see <http://www.gnu.org/licenses/>.
(define (script-fu-land width height seed detail landheight seadepth xscale yscale gradient)
(let* (
(img (car (gimp-image-new width height RGB)))
(layer-one (car (gimp-layer-new img width height
RGB-IMAGE "Bottom" 100 NORMAL-MODE)))
(layer-two 0)
)
(gimp-context-push)
(gimp-context-set-defaults)
(gimp-context-set-gradient gradient)
(gimp-image-undo-disable img)
(gimp-image-insert-layer img layer-one 0 0)
(plug-in-solid-noise RUN-NONINTERACTIVE img layer-one TRUE FALSE seed detail xscale yscale)
(plug-in-c-astretch RUN-NONINTERACTIVE img layer-one)
(set! layer-two (car (gimp-layer-copy layer-one TRUE)))
(gimp-image-insert-layer img layer-two 0 -1)
(gimp-image-set-active-layer img layer-two)
(plug-in-gradmap RUN-NONINTERACTIVE img layer-two)
(gimp-image-select-color img CHANNEL-OP-REPLACE layer-one '(190 190 190))
(plug-in-bump-map RUN-NONINTERACTIVE img layer-two layer-one 135.0 35 landheight 0 0 0 0 TRUE FALSE 0)
;(plug-in-c-astretch RUN-NONINTERACTIVE img layer-two)
(gimp-selection-invert img)
(plug-in-bump-map RUN-NONINTERACTIVE img layer-two layer-one 135.0 35 seadepth 0 0 0 0 TRUE FALSE 0)
;(plug-in-c-astretch RUN-NONINTERACTIVE img layer-two)
; uncomment the next line if you want to keep a selection of the "land"
(gimp-selection-none img)
(gimp-display-new img)
(gimp-image-undo-enable img)
(gimp-context-pop)
)
)
(script-fu-register "script-fu-land"
_"_Land..."
_"Create an image filled with a topographic map pattern"
"Adrian Likins <aklikins@eos.ncsu.edu>"
"Adrian Likins"
"1997"
""
SF-ADJUSTMENT _"Image width" '(256 10 1000 1 10 0 1)
SF-ADJUSTMENT _"Image height" '(256 10 1000 1 10 0 1)
SF-ADJUSTMENT _"Random seed" '(32 0 15000000 1 10 0 1)
SF-ADJUSTMENT _"Detail level" '(4 1 15 1 5 0 0)
SF-ADJUSTMENT _"Land height" '(60 1 65 1 10 0 1)
SF-ADJUSTMENT _"Sea depth" '(4 1 65 1 10 0 1)
SF-ADJUSTMENT _"Scale X" '(4 0.1 16 1 5 0.1 0)
SF-ADJUSTMENT _"Scale Y" '(4 0.1 16 1 5 0.1 0)
SF-GRADIENT _"Gradient" "Land 1"
)
(script-fu-menu-register "script-fu-land"
"<Image>/File/Create/Patterns")
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