Merge pull request #7 from Cody-G/cjg/fix_dz

Fixed error in calculation of pixel spacing of the z axis: Because Im…
timholy · Mar 13, 2017 · b9e17be · b9e17be
2 parents 2e953ef + 302cac4
commit b9e17be
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diff --git a/src/ImagineFormat.jl b/src/ImagineFormat.jl
@@ -62,7 +62,7 @@ function load(io::Stream{format"Imagine"}; mode="r")
     pstart = h["piezo"]["stop position"]
     pstop = h["piezo"]["start position"]
     if length(sz)>2
-        dz = abs(pstart - pstop)/sz[3]
+        dz = abs(pstart - pstop)/(sz[3]-1)
     else dz = 0.0 end
 
     axisnames = havez ? (:x, :l, :z) : (:x, :l)

diff --git a/test/runtests.jl b/test/runtests.jl
@@ -8,7 +8,7 @@ img = load("test.imagine")
 @test timedim(img) == 4
 @test axisnames(img) == (:x, :l, :z, :time)
 @test pixelspacing(img)[1:2] == (0.71μm, 0.71μm)
-@test pixelspacing(img)[3] ≈ (2/3)*100μm
+@test pixelspacing(img)[3] ≈ 100μm
 
 bn = joinpath(tempdir(), randstring())
 ifn = string(bn, ".imagine")