spintest

spintest.jl

#Downsampled preview of image using non-copying interpolation method, 
#to increase display FPS.

using Spinnaker, Makie, Random, ModernGL, ImageTransformations, Interpolations, Colors, FixedPointNumbers

function testvideo(frames)
trigmode = true

img = Array{UInt8}(undef, 2048, 1536)

camlist = CameraList()
cam = camlist[0]

pixelformat!(cam, "Mono8")

if trigmode
    triggermode!(cam,"On")
    triggersource!(cam,"Software")
else
    triggermode!(cam,"Off")
    framerate!(cam,120)
end
  
ex = exposure!(cam)
exposure!(cam,ex)
    
  
start!(cam)
if trigmode
  trigger!(cam)
end

scalefactor = 10
downsize = (round(Int,size(img,1)/scalefactor), round(Int,size(img,2)/scalefactor))
@show downsize

scene = Scene(resolution = downsize)

buff = zeros(N0f8, downsize[1],downsize[2])
itp = interpolate!(reinterpret(N0f8, img), BSpline(Linear()))

hmap = heatmap!(scene, buff, transpose = true, show_axis = false, scale_plot = false,colorrange = (0,1),colormap=Reverse(:Greys))[end]

display(scene)
if trigmode
    trigger!(cam)
end
x = @elapsed for i = 1:frames
    #glFinish()
    
    getimage!(cam, img, normalize=false)
    if trigmode
        trigger!(cam)
    end
    ImageTransformations.imresize!(buff, itp)
    hmap[1] = buff
    yield()
end
stop!(cam)

frames/x