Add support for "stimulus sequence", "stimulus scan hi/lo", and "stim…

…ulus frame hi/lo"

src/ImagineFormat.jl

@@ -222,7 +222,12 @@ const field_key_dict = Dict{AbstractString,Function}(
     "angle from horizontal (deg)"  => float64_or_empty,
     "x translation in pixels"      => x->parse(Int,x) != 0,
     "y translation in pixels"      => x->parse(Int,x) != 0,
-    "rotation angle in degree"     => x->parse(Float64,x) != 0)
+    "rotation angle in degree"     => x->parse(Float64,x) != 0,
+    "stimulus scan hi"             => parse_vector_int,
+    "stimulus scan lo"             => parse_vector_int,
+    "stimulus frame hi"            => parse_vector_int,
+    "stimulus frame lo"            => parse_vector_int,
+    "stimulus sequence"            => identity)
 
 
 function parse_header(s::IOStream)

test/runtests.jl

@@ -40,12 +40,12 @@ MHz = u"MHz"
 
 h = ImagineFormat.parse_header("test_noshift.imagine")
 h["byte order"] = ENDIAN_BOM == 0x04030201 ? "l" : "b"
-h["extra stuff"] = "Tuesday"
-ImagineFormat.save_header(ifn, h; misc=("extra stuff",))
+h["stimulus scan hi"] = [3, 5]
+ImagineFormat.save_header(ifn, h; misc=("stimulus scan hi",))
 h2 = ImagineFormat.parse_header(ifn)
 @test isnan(h["readout rate"]) && isnan(h2["readout rate"])
 @test isnan(h["vertical shift speed"]) && isnan(h2["vertical shift speed"])
-@test h2["extra stuff"] == "Tuesday"
+@test h2["stimulus scan hi"] == [3, 5]
 rm(ifn)
 img2 = 0
 GC.gc(); GC.gc(); GC.gc()