bugfix and constant deopth option

JuliaGeodynamics · Feb 22, 2024 · 0026517 · 0026517
1 parent ef265ec
commit 0026517
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Showing 2 changed files with 5 additions and 5 deletions.
diff --git a/ext/GMT_utils.jl b/ext/GMT_utils.jl
@@ -107,7 +107,7 @@ ImportTopo(; lat=[37,49], lon=[4,20], file::String="@earth_relief_01m.grd") = Im
 
 
 """
-  data_GMT = ImportGeoTIFF(fname::String; fieldname=:layer1, negative=false, iskm=true)
+  data_GMT = ImportGeoTIFF(fname::String; fieldname=:layer1, negative=false, iskm=true, NorthernHemisphere=true, constantDepth=false)
 
 This imports a GeoTIFF dataset (usually containing a surface of some sort) using GMT.
 The file should either have `UTM` coordinates of `longlat` coordinates. If it doesn't, you can 
@@ -118,14 +118,15 @@ Optional keywords:
 - `negative`  : if true, the depth is multiplied by -1 (default=false)
 - `iskm`      : if true, the depth is multiplied by 1e-3 (default=true)
 - `NorthernHemisphere`: if true, the UTM zone is set to be in the northern hemisphere (default=true); only relevant if the data uses UTM projection
+- `constantDepth`: if true we will not warp the surface by z-values, but use a constant value instead
 """
-function ImportGeoTIFF(fname::String; fieldname=:layer1, negative=false, iskm=true, NorthernHemisphere=true)
+function ImportGeoTIFF(fname::String; fieldname=:layer1, negative=false, iskm=true, NorthernHemisphere=true, constantDepth=false)
   G = gmtread(fname);
 
   # Transfer to GeoData
   nx,ny = length(G.x)-1, length(G.y)-1
   Lon,Lat,Depth   =   LonLatDepthGrid(G.x[1:nx],G.y[1:ny],0);
-  if  hasfield(typeof(G),:z)
+  if  hasfield(typeof(G),:z) & !constantDepth
     Depth[:,:,1]    =   G.z';
     if negative
       Depth[:,:,1]  =   -G.z';

diff --git a/src/data_types.jl b/src/data_types.jl
@@ -755,8 +755,7 @@ function Base.show(io::IO, d::CartData)
     println(io,"    size    : $(size(d.x))")
     println(io,"    x       ϵ [ $(minimum(d.x.val)) : $(maximum(d.x.val))]")
     println(io,"    y       ϵ [ $(minimum(d.y.val)) : $(maximum(d.y.val))]")
-    println(io,"    z       ϵ [ $(minimum(d.z.val)) : $(maximum(d.z.val))]")
-
+
     if  any(isnan.(NumValue(d.z)))
         z_vals = extrema(d.z.val[isnan.(d.z.val).==false])
         println(io,"    z       ϵ [ $(z_vals[1]) : $(z_vals[2])]; has NaN's")