*define
model	Example-1	# model name

*info
        Ray tracing in model {model} from Rayinvr
######################################################################

*setup
noapp
units	km	km

### some symbolic definitions

*define
vcont	6.0			# velocity level contoured in the model
fname	Example-1.v.in.save	# file name to save the model in when "Save" is pressed


### Generate a simple "zero-offset time" table

*call	readtab	map	table-zoffset
x	float	1
twtt	float	

argrang	x	0	1.0	300

const	
twtt	8.0

*nocall	pritab	*
table-zoffset

### Rayinvr-like model:

*call	rayinvr	gui	ps	Example-1
vin	vp			dbas:v.in	# dbas:accrete.v.in1
column	vp	100
contour	vp	6.0
zoffset	x		twtt	table-zoffset	

prefix	dbas:./

# bodies with names, densities, and optional "lithology" 
# classification types

grbody	-0.1		Big hunk
120	5
120	20
240	15
270	5

grbody	0.1		Small chip
30      1.5
30      6.5
45      10.5
54      7.0

# observed gravity profile. It can also be loaded from 
# database tables, but we are using a simple job line description here

grobs
30	15
45	21
60	20
75	35
90	15
105	21
120	0
140	-9
150	-15
165	-20
180	-30
195	-15
210	-10
225	15
240	9
255	10.5
270	15


summary		# print brief model summary

### Define various graphical elements

*call	graphic
backgr	=same=
foregr	=same=

#palette	pal-vp		buor			5.5	8
#palette	pal-vp		gmtcopper			1	2	# 4.5	8.2
palette	pal-vp		gmtsplit			1	2	# 4.5	8.2
palhue	pal-vs		color	cont	2	5.	4	0.05	.95
palette	pal-raycodes	gmtjet			0	3
palette	pal-arrivals	gmtjet			0	4
palette	pal-ampl	gmtseis			-1	1 

palette	pal-density	gmtseis			2.5	3.3
palette	pal-adensity	gmtjet			-0.1	0.1

#palproc	edit	loop			pal-vp	# add a reversed copy of itself to the palette
#palproc	edit	repeat	2		pal-vp	# repeat the palette

palproc	edit	scale			pal-vp	# scale the Vp palette by Vp in the model
vp	Example-1

#palproc	edit	hbal			pal-vp		# histogram-balance the Vp palette
#vp	accrete

line	solid	1	red		l-layers
line	solid	1	blue		l-columns
line	solid	1	cyan		l-contour
line	solid	1	blue		cells-vert
line	solid	1	yellow		cells-diag
line	solid	1	yellow		l-rays1
line	solid	1	plum		l-rays2
line	solid	1	brown		l-tau
line	solid	1	forestgreen	l-zoffset
line	solid	1	melon		line-grcalc	# line for calculated gravity anomaly 

line	solid	1	blue		ttimes-forw
line	solid	1	red		ttimes-rev
line	solid	1	yellow		ttimes-observed

fill	solid	green		velocity
fill	solid	blue		wet
fill	solid	blue		lakes

marker	star	0.2						m-sources

axis	axis-tt		bar	left
_label		T [s]
_ticks

axis	axis-grav	bar	left
_label		mGal
_ticks	

axis	axis-dist	bar	top
_label		X [km]
_ticks	

axis	axis-depth	bar	left
_label		Z [km]
_ticks	

# buttons and the corresponding commands to the ray tracer

button	button2		Reload	
Example-1	load-s	{fname}

button	button3		Save		
Example-1	save-s	{fname}

button	button4		Print		
Example-1	ps

### Create cross-section image
 
*call	image	im-section		##### plot the model and rays
1	1.	6	6
project	xy	width

range-x	-20	310
range-y	-5	60	yes

velmod	Example-1		
layers						l-layers
#cells			vert			cells-vert
#cells			diag			cells-diag
#vs			shade			pal-vs
#vp			shade			pal-vp
rho			shade			pal-density
a-rho			shade			pal-adensity
rho			paint
#vp			column			l-columns
#vp			contour			l-contour
sources						m-sources
sources			label			Shot %d
rays			forward			l-rays1
#rays			reverse			l-rays2
#rays						pal-raycodes
tau			velocity		5.7
tau			line			l-tau	
depcon			line			l-zoffset

object	axis-depth
object	axis-dist

cscale	vert	0.8	-0.7	0.1	0.2	Density		# colour bar
pal-density

cscale	vert	0.6	-0.7	0.1	0.2	Anomaly		# colour bar
pal-adensity

# buttons to control modelling

object	button2
object	button3
object	button4

### Create gravity image

*call	image	im-gravity
1	1.	6	6
project	xy	width

backgr	gray

range-x	-20	310
range-y	-160	120

gravmod	Example-1			
calgrav						line-grcalc
observed					ttimes-observed
# difference					line:red

object	axis-grav

### Display the interactive images

*call	gui
im-gravity			0	10
im-section

# make axes X coordinated in all sections

layout	vert				x	zoom

dockers
otree
#otree	graph
prop