Example 32: Improve explanation of argument passed to "I" of "grdview" (

#8539)
GenericMappingTools · Jul 7, 2024 · ff10eac · ff10eac
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diff --git a/doc/examples/ex32/ex32.bat b/doc/examples/ex32/ex32.bat
@@ -29,8 +29,9 @@ gmt begin ex32
 	gmt makecpt -C0/51/153,255/204/0 -T0,127,255 -N
 
 	REM The next step is the plotting of the image.
-	REM We use gmt grdview to plot the topography, euflag.nc to give the color, and illum.nc to give
-	REM the shading.
+	REM We use gmt grdview to plot the topography, euflag.nc to give the color, and an illumination
+	REM from the azimuthal directions 0° (north) and 270° (west) with a normalization via a cumulative
+	REM Laplace distribution for the shading.
 	set Rplot=%Rflag%/-10/790
 	gmt grdview topo_32.nc -JM13c %Rplot% -C -G@euflag.nc -I+a0/270+ne0.6 -Qc -JZ1c -p157.5/30
 

diff --git a/doc/examples/ex32/ex32.sh b/doc/examples/ex32/ex32.sh
@@ -30,8 +30,9 @@ gmt begin ex32
 	gmt makecpt -C0/51/153,255/204/0 -T0,127,255 -N
 
 	# The next step is the plotting of the image.
-	# We use gmt grdview to plot the topography, euflag.nc to give the color, and illum.nc to give
-	# the shading.
+	# We use gmt grdview to plot the topography, euflag.nc to give the color, and an illumination
+	# from the azimuthal directions 0° (north) and 270° (west) with a normalization via a cumulative
+	# Laplace distribution for the shading.
 	Rplot=$Rflag/-10/790
 	gmt grdview topo_32.nc -JM13c $Rplot -C -G@euflag.nc -I+a0/270+ne0.6 -Qc -JZ1c -p157.5/30