#------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
#
#    PROJ skilgreiningar  ngildandi og eldri hnitakerfum  slandi
#
#------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
#
#  
#  Opinberar skilgreiningar  kortavrpunum og hnitavrpunum milli hnitkakerfa  slandi  forritinu Proj v.6.0.0
#   skrnni er a finna proj skilgreiningar  helstu kortavrpunum sem notaar hafa veri  slandi.
#  Einnig er a finna skilgreiningar  vrpunum milli hnitakerfa og harkerfa.
#  Sett eru upp dmi hvernig blanda m saman mismunandi skilgreiningum til a koma hnitum  a form og   vimiun sem ska er eftir.
#  Ef einugis  a breyta milli hnitaforma dugar oftast a nota einfaldan proj streng. 
#  Ef varpa er  milli hnitakerfa skal notast vi svokallaar transfomation pipelines ar sem nokkrum skilgreiningum er raaa  rtta r.
#  S essi skr vistu  rttum sta vi uppsetningu  proj  er ekki nausynlegt a skrifa proj streng heldu arf einungis a rita init=ISL_IS:nafn_a_proj_streng 
#  (nafni sem er inn  hornklofa fyrir framan skilgreininguna)
#  GIE dmin sna hver rtt tkoma  a vera m.v. gefna skipun
#
#  tgfusaga:
#  -----------------
#
#  2019-11-30  Fyrsta tgfa.
#              Gumundur r Valsson <gudmundur@Llmi.is>
#              Dalia Prizginiene <dalia@lmi.is>
#  
#-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
#
<metadata> +version=1.0.0 +origin=LMI +lastupdate=2019-11-30
#
#--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
#  Landsharkerfi/gea 
#--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

<ISH2004> proj=vgridshift grids=Icegeoid_ISN2004.gtx  # ngildandi gea sem upprunalega var lgu a landsharkerfi ISH2004 me sporvluhum  um 300 GPS mldum harpunktum  vimiun ISN2004
#--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
<ISN93_ISH2004> proj=vgridshift grids=Icegeoid_ISN93.gtx  # Icegeoid_ISN2004.gtx a vibttum harleirttinum milli ISN93 og ISN2004.
<ISN2016_ISH2004> proj=vgridshift grids=Icegeoid_ISN2016.gtx  # Icegeoid_ISN2004.gtx a vibttum harleirttinum milli ISN2016 og ISN2004.

#--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
#  Vrpunarnet. Nnari lsingar  vrpunarnetum og geum er a finna  skrnni Lsingar__vrpunarnetum.txt
#--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
<ISN93_16h> proj=hgridshift grids=ISN93_ISN2016.gsb
<ISN93_16v> proj=vgridshift grids=ISN93_ISN2016.gtx 

<ISN04_16h> proj=hgridshift grids=ISN2004_ISN2016.gsb
<ISN04_16v> proj=vgridshift grids=ISN2004_ISN2016.gtx

<D_93_16> 
    proj=pipeline 
    step init=ISL_IS:ISN93_16h   
    step inv init=ISL_IS:ISN93_16v 
    
<D_04_16> 
    proj=pipeline 
    step init=ISL_IS:ISN04_16h   
    step inv init=ISL_IS:ISN04_16v
	
<RVK_ISN16> proj=hgridshift grids=RVK_ISN2016.ct2	

#----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
#  Frslulkan
#----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
#
# xy_grids=ISN_vel_beta.ct2 
# z_grids=ISN_vel_beta.gtx
#
#----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------


#----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
# LCC ISN2016 (epoch 2016.5, IGS2014, GRS80):  Keiluvrpun Lamberts (Lambert Conformal Conic) fyrir vimiun ISN2016  
#----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
<ISN2016_LAM>  proj=lcc  lat_1=64.25 lat_2=65.75 lat_0=65 lon_0=-19 x_0=2700000 y_0=300000  ellps=GRS80

#----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
<gie>
operation   init=ISL_IS:ISN2016_LAM
tolerance   0.1 mm
accept      -17 66
expect      2790800.4329    412932.6164 
</gie>


#-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
# LCC ISN2004 (epoch 2004.6, IGb00, GRS80):   Keiluvrpun Lamberts (Lambert Conformal Conic) fyrir vimiun ISN2004 
#-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
<ISN2004_LAM>   proj=lcc  lat_1=64.25 lat_2=65.75 lat_0=65 lon_0=-19 x_0=1700000 y_0=300000  ellps=GRS80

#-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
<gie>
operation   init=ISL_IS:ISN2004_LAM
tolerance   0.1 mm
accept      -17 66
expect      1790800.4329    412932.6164
</gie>


#------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
# LCC ISN93 (epoch 1993.6, ITRF93, GRS80):  Keiluvrpun Lamberts (Lambert Conformal Conic) fyrir vimiun ISN93 
#------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
<ISN93_LAM>     proj=lcc  lat_1=64.25 lat_2=65.75 lat_0=65 lon_0=-19 x_0=500000  y_0=500000  ellps=GRS80

#------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
<gie>
operation   init=ISL_IS:ISN93_LAM
tolerance   0.1 mm
accept      -17 66
expect      590800.4329    612932.6164
</gie>


#-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
# LCC Hjorsey1955 (ellipsoid: International 1924):  Keiluvrpun Lamberts fyrir Hjrsey1955
#-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
<HJORSEY_LAM> 
    proj=pipeline
    step proj=lcc   lat_1=65  lat_0=65 lon_0=-18 x_0=-500000 y_0=500000 ellps=intl
    step proj=axisswap  order=-1,2,3,4 

#-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
<gie>
operation   init=ISL_IS:HJORSEY_LAM
tolerance   0.1 mm
accept      -17 66
expect      454587.8410    611870.0974
</gie>

#--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
# LCC Reykjavik1900 (ellipsoid: Danish):  Keiluvrpun Lamberts fyrir Reykjavk1900
#--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
<RJ_LAM> proj=lcc lat_1=65  lat_0=65 lon_0=-19.022125 x_0=0 y_0=0 ellps=danish

#--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
<gie>
operation   init=ISL_IS:RJ_LAM
tolerance   0.1 mm
accept      -17 66
expect      91794.9450    112953.3882
</gie>

#---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
#  Keiluvrpun Lamberts fyrir ISN_DRF athugi a hnit eru ekki gild nema a tmasetning mlingar fylgi einnig me
#---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
<KIN_LAM>  proj=lcc  lat_1=64.25 lat_2=65.75 lat_0=65 lon_0=-19 x_0=4700000 y_0=300000  ellps=GRS80
#---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
<gie>
operation   init=ISL_IS:KIN_LAM
tolerance   3 cm
accept      -17 66 0 2017.5
expect      4790800.4329    412932.6164
</gie>

#----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
#  Gauss Kruger vrpun sem hgt er a nota fyrir ISN hnit. egar ISN93 var mlt var lagt til a sveitarflg myndu nota Gauss Kruger vrpun ar sem slandi yri skipt upp  4 svi.
#  Me snertibauga  24V, 21V, 18V og 15V. Helst kosturinn vi etta er a kvara- og stefnuskekkjur eru mun minni en  Lambert vrpuninni. etta hefur veri lti nota en getur 
#  veri mjg hagntt  sumum tilfellum.
#----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
<ISN_GK21> +proj=tmerc +ellps=GRS80 +lat_0=0 +lon_0=-21 +x_0=500000 +k_0=1 +units=m +no_defs
#----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
#                                      Helmert vapanir
#----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
#  Helmert varpanir sem notaar eru til a varpa  milli Reykjavik1900, Hjrsey1955 og ISN93. ar sem nkvmnin hleypur  nokkrum metrum m lta  ISN93, ISN2004 og ISN2016 sem jafngild.
#----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
<REYK19_ISN93>    proj=helmert  convention=coordinate_frame x=556.620 y=-167.901 z=945.664 rx=4.154 ry=-0.269 rz=-2.279 s=-3.729 
<HJ_ISN93>        proj=helmert  x=-72.4 y=46.8 z=-82.7
<REYK19_HJ>       proj=helmert  convention=coordinate_frame x=629.020 y=-214.701 z=1028.364 rx=4.154 ry=-0.269 rz=-2.279 s=-3.729 

#----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
#                                      Helmert vrpun fyrir Hnitakerfi Reykjavkur yfir  nlga ISN2016 me kortavrpun ISN_GK21
#----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
#  Reykjavkur kerfi var  snum tma reikna  fleti .e. ekki teki tillit til jarbungunar. etta hefur skapa nokkur vandri eftir a notkun  GNSS/GPS mlingum var allmenn vi landmlingar
#  Einnig hafa skekkjur aukist umtaslvert eftir a neti var stkka eftir upprunalegar mlingar fr runum 1951 og 1952.
#  Helmert vrpunin sem notu er sem fyrsta skerf til a varpa hnitum r Hnitakerfi Reykjavkur yfir  nlga ISN2016  kortavrpun ISN_GK21.Staalfrvik vrpunarinnar  myndpunktum er um 7cm
#  Eftir etta skref er hgt reikna nlgu baughnit og  er notast vi vrpunarnet til a leirtta fyrir eim hrifum a ekki s teki tillit til jarbungnar  Hnitakerfi Reykjavkur. 
#----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
<RVK_HELM>        proj=helmert  convention=coordinate_frame x=476397.181 y=7097864.611 s=1.0000067165 theta=5668.44557471
#
#
#-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
#                                      Uppsetning  vrpunum
#-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
#
#-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
# Reykjavik1900 (Geodetic) 2D -> ISN93 (LCC) 2D
#-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
# from west of Greenwich
<RJ_G> 
    proj=pipeline
    step proj=push +v_3
    step proj=cart   ellps=danish  
    step init=ISL_IS:REYK19_ISN93   
    step proj=cart  inv ellps=GRS80 
    step proj=pop +v_3
    step init=ISL_IS:ISN93_LAM

# Example:
# echo  -21.930875   64.1421888889 0 0  | cct  init=ISL_IS:RJ_G   

# from west of Copenhagen
<RJ_W> 
    proj=pipeline 
    step inv proj=longlat  pm=copenhagen
    step proj=push +v_3
    step proj=cart   ellps=danish  
    step init=ISL_IS:REYK19_ISN93 
    step proj=cart  inv ellps=GRS80 
    step proj=pop +v_3
    step init=ISL_IS:ISN93_LAM

# Example:
# echo  -34.50875   64.1421888889 0 0  | cct  init=ISL_IS:RJ_W   
#------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
<gie>
operation   init=ISL_IS:RJ_G
tolerance   50 m
accept      -21.930875   64.1421888889 0
expect      357557.5871   407700.8896  0
</gie>
#------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
<gie>
operation   init=ISL_IS:RJ_W
tolerance   50 m
accept      -34.50875   64.1421888889  0
expect      357557.5871   407700.8896  0
</gie>
#-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
# Hjorsey1955 (Geodetic) 2D -> ISN93 (LCC) 2D
#-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
                
<HJORSEY_ISN93> 
    proj=pipeline  
    step proj=push +v_3
    step proj=cart  ellps=intl 
    step init=ISL_IS:HJ_ISN93 
    step proj=cart inv ellps=GRS80 
    step proj=pop +v_3
    step init=ISL_IS:ISN93_LAM  
                  
#-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
<gie>
operation   init=ISL_IS:HJORSEY_ISN93
tolerance   15 m
accept      -21.9933555556   64.1533913888889 0
expect      354399.1771   409035.1420  0
</gie>
#-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
# ISN93 (Geodetic) 3D -> ISN2004 (LCC) 3D
#-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

<ISN93_ISN04> 
    proj=pipeline  
    step init=ISL_IS:D_93_16   
    step inv init=ISL_IS:D_04_16 
    step init=ISL_IS:ISN2004_LAM  

# Example:
# echo -17.981614272222  66.5274148361111 75.737 0 | cct init=ISL_IS:ISN93_ISN04
#--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
<gie>
operation   init=ISL_IS:ISN93_ISN04
tolerance   5 cm
accept      -17.981614272222  66.5274148361111 75.737 0
expect      1745293.041  470683.539 75.653
</gie>

#-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
# ISN93 (LCC) 3D -> ISN2004 (LCC) 3D
#-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

<ISN93_L_ISN04> 
    proj=pipeline 
    step inv init=ISL_IS:ISN93_LAM 
    step init=ISL_IS:D_93_16   
    step inv init=ISL_IS:D_04_16 
    step init=ISL_IS:ISN2004_LAM  

# Example:
# echo 545293.098 670683.324   75.737 0 | cct init=ISL_IS:ISN93_L_ISN04
#--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
<gie>
operation   init=ISL_IS:ISN93_L_ISN04
tolerance   5 cm
accept      545293.098 670683.324   75.737 0
expect      1745293.0413 470683.5387 75.6532
</gie>

#-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
# ISN93 (Geodetic) 3D -> ISN2004 (Geodetic + Vertical datum)
#-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

<ISN93_ISN04_v> 
    proj=pipeline  
    step init=ISL_IS:D_93_16   
    step inv init=ISL_IS:D_04_16 
    step init=ISL_IS:ISH2004 

# Example:
# echo -17.981614272222  66.5274148361111 75.737 0   | cct  init=ISL_IS:ISN93_ISN04_v
#--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
<gie>
operation   init=ISL_IS:ISN93_ISN04_v
tolerance   5 cm
accept      -17.981614272222  66.5274148361111 75.737 0
expect      -17.9816154690  66.5274167690  11.6147
</gie>

#--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
# ISN2004 (Geodetic) 3D -> ISN2016 (LCC) 3D
#--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

<ISN04_ISN16> 
    proj=pipeline   
    step init=ISL_IS:D_04_16  
    step init=ISL_IS:ISN2016_LAM
 
#--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
<gie>
operation   init=ISL_IS:ISN04_ISN16
tolerance   5 cm
accept      -17.98161545  66.5274167694444 75.653 0 
expect      2745292.997 470683.7597 75.618
</gie>

#--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
# ISN2004 (LCC) 3D -> ISN2016 (LCC) 3D
#--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

<ISN04_L_ISN16>
    proj=pipeline 
    step inv  init=ISL_IS:ISN2004_LAM  
    step init=ISL_IS:D_04_16  
    step init=ISL_IS:ISN2016_LAM
 
#--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
<gie>
operation   init=ISL_IS:ISN04_L_ISN16
tolerance   5 cm
accept      1745293.042 470683.539 75.653 0 
expect      2745292.9970 470683.7595 75.6182
</gie>

#--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
# ISN2004 (Geodetic) 3D -> ISN2016 (Geodetic + Vertical datum)
#--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

<ISN04_ISN16_v>
    proj=pipeline   
    step init=ISL_IS:ISN04_16h   
    step init=ISL_IS:ISH2004 

# Example:
# echo -17.98161545  66.5274167694444 75.653 0   | cct  init=ISL_IS:ISN04_ISN16_v 
#--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
<gie>
operation   init=ISL_IS:ISN04_ISN16_v
tolerance   5 cm
accept      -17.98161545  66.5274167694444 75.653 0 
expect      -17.9816163818 66.5274187527  11.6145
</gie>

#-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
# ISN93 (Geodetic) 3D -> ISN2016 (LCC) 3D
#-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

<ISN93_ISN16> 
    proj=pipeline   
    step init=ISL_IS:D_93_16  
    step init=ISL_IS:ISN2016_LAM  
 
#--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
<gie>
operation   init=ISL_IS:ISN93_ISN16
tolerance   5 cm
accept      -17.981614272222  66.5274148361111 75.737 0
expect      2745292.996  470683.760 75.618
</gie>

#-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
# ISN93 (LCC) 3D -> ISN2016 (LCC) 3D
#-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

<ISN93_L_ISN16> 
    proj=pipeline 
    step inv   init=ISL_IS:ISN93_LAM  
    step init=ISL_IS:D_93_16  
    step init=ISL_IS:ISN2016_LAM  
 
#--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
<gie>
operation   init=ISL_IS:ISN93_L_ISN16
tolerance   5 cm
accept      545293.098 670683.324   75.737 0
expect      2745292.996 470683.759 75.618 
</gie>

#-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
# ISN93 (Geodetic) 3D -> ISN2016 (Geodetic + Vertical datum)
#-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

<ISN93_ISN16_v> 
    proj=pipeline   
    step init=ISL_IS:D_93_16  
    step init=ISL_IS:ISN04_16v 
    step init=ISL_IS:ISH2004 

# Example:
# echo -17.981614272222  66.5274148361111 75.737 0   | cct  init=ISL_IS:ISN93_ISN16_v 
#--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
<gie>
operation   init=ISL_IS:ISN93_ISN16_v
tolerance   5 cm
accept      -17.981614272222  66.5274148361111 75.737 0
expect      -17.9816164008 66.5274187522  11.6147
</gie>

#-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
# LCC ISN93 3D -> ISN93 (Geodetic + Vertical datum)
#-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

<ISN93_ISH2004_v> 
    proj=pipeline   
    step inv init=ISL_IS:ISN93_LAM   
    step init=ISL_IS:ISN93_ISH2004 

# Example:
# echo 545293.098 670683.324   75.737  0   | cct  init=ISL_IS:ISN93_ISH2004_v 
#--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
<gie>
operation   init=ISL_IS:ISN93_ISH2004_v
tolerance   5 cm
accept      545293.098 670683.324   75.737  0
expect      -17.9816142725   66.5274148323   11.6147
</gie>

#-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
# LCC ISN2016 3D -> ISN2016 (Geodetic + Vertical datum)
#-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

<ISN2016_ISH2004_v> 
    proj=pipeline    
    step inv init=ISL_IS:ISN2016_LAM    
    step init=ISL_IS:ISN2016_ISH2004 

# Example:
# echo 2745292.998 470683.759  75.618   0   | cct  init=ISL_IS:ISN2016_ISH2004_v 
#--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
<gie>
operation   init=ISL_IS:ISN2016_ISH2004_v
tolerance   5 cm
accept      2745292.998 470683.759  75.618   0
expect      -17.9816163630   66.5274187459   11.6143
</gie>

#---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
# ISN_DRF (Geodetic): epoch 2018.679 -> ISN_DRF (LCC): epoch  2017.5  3D
#---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

<DRF_E>  
    proj=pipeline  
    step proj=cart  ellps=GRS80 
    step proj=deformation  dt=-1.179 xy_grids=ISN_vel_beta.ct2 z_grids=ISN_vel_beta.gtx  
    step proj=cart inv ellps=GRS80 
    step init=ISL_IS:KIN_LAM 

# Example:
# echo -18.1224832715  65.6854274786 134.2043   | cct init=ISL_IS:DRF_E
#---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

<gie>
operation   init=ISL_IS:DRF_E
tolerance   3 cm
accept      -18.1224832715  65.6854274786 134.2043
expect      4740331.7212 376698.7742 134.2005
</gie>            

#----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
# ISN_DRF (Geodetic): epoch 2018.679 -> ISN2016 (LCC)    3D
#----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

<DRF_2016>  
    proj=pipeline 
    step proj=cart ellps=GRS80 
    step proj=deformation dt=-2.179 xy_grids=ISN_vel_beta.ct2 z_grids=ISN_vel_beta.gtx 
    step proj=cart inv ellps=GRS80 
    step init=ISL_IS:ISN2016_LAM

# Example:
# echo -18.1224832715  65.6854274786 134.2043    | cct init=ISL_IS:DRF_2016
#----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

<gie>
operation   init=ISL_IS:DRF_2016
tolerance   3 cm
accept      -18.1224832715  65.6854274786 134.2043 
expect      2740331.7315 376698.7505 134.1972
</gie>  
#----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
# Hnitakerfi Reykjavkur (X,Y) -> ISN2016 (LCC)    2D
#----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

<REYK_2016>   
    proj=pipeline 
    step init=ISL_IS:RVK_HELM  
    step inv +init=ISL_IS:ISN_GK21 
    step init=ISL_IS:RVK_ISN16 
    step init=ISL_IS:ISN2016_LAM

# Example:
# echo -20872.63 8370.85 0 0    | cct init=ISL_IS:REYK_2016
#----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

<gie>
operation   init=ISL_IS:REYK_2016
tolerance   3 cm
accept      -20872.63 8370.85 
expect      2558149.1030  198417.4561
</gie>  
#----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
# Hnitakerfi Reykjavkur (X,Y) -> ISN93 (LCC)    2D
#----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

<REYK_93>   
    proj=pipeline 
    step init=ISL_IS:RVK_HELM 
    step inv init=ISL_IS:ISN_GK21
    step init=ISL_IS:RVK_ISN16
    step inv init=ISL_IS:ISN93_16h
	step init=ISL_IS:ISN93_LAM

# Example:
# echo -20872.63 8370.85 0 0    | cct init=ISL_IS:REYK_93
#----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

<gie>
operation   init=ISL_IS:REYK_93
tolerance   3 cm
accept      -20872.63 8370.85  
expect      358149.2296  398417.0045
</gie>