vem/feicontrol.rb

   1 $:.unshift(File.dirname(__FILE__))
   2
   3 require 'singleton'
   4 require 'win32ole'
   5 require 'json'
   6 require 'vem'
   7
   8 module FEIObject
   9         @instance = nil
  10         def FEIObject.instance
  11                 unless @instance then
  12                         @instance = WIN32OLE.new('TEMScripting.Instrument')
  13                 end
  14                 return @instance
  15         end
  16 end
  17
  18 class FEIControl < VEM
  19         include FEIObject
  20
  21         def initialize
  22                 @@tem = FEIObject.instance
  23                 @@acq = nil
  24                 @@params = {
  25                         :stage => {
  26                                 :x => 0,
  27                                 :y => 0,
  28                                 :z => 0,
  29                                 :a => 0,
  30                         },
  31                         :ccdCamera => {
  32                                 :binning    => 4,
  33                                 :expTime    => 0.07,
  34                                 :imageSize  => 0
  35                         },
  36                         :proj => {
  37                                 :magIndex => 0,
  38                                 :mag => 0,
  39                                 :imageShift => {:x => 0, :y => 0},
  40                                 :focus => 0,
  41                                 :defocus => 0,
  42                                 :objStg => {:x => 0, :y => 0}
  43                         },
  44                         :ill => {
  45                                 :spotSizeIndex => 0,
  46                                 :condenserStg => {:x => 0, :y => 0}
  47
  48                         }
  49                 }
  50         end
  51
  52         def get_params
  53                 puts "FEI get params"
  54
  55                 @@params[:stage][:x] = @@tem.Stage.Position.X
  56                 @@params[:stage][:y] = @@tem.Stage.Position.Y
  57                 @@params[:stage][:z] = @@tem.Stage.Position.Z
  58                 @@params[:stage][:a] = @@tem.Stage.Position.A
  59                 @@params[:ill][:spotSizeIndex] = @@tem.Illumination.SpotsizeIndex
  60                 @@params[:proj][:magIndex] = @@tem.Projection.MagnificationIndex
  61                 #       @@params[:ccdCamera][:binning] = ccdCamerasAcqParams.Binning
  62                 #       @@params[:ccdCamera][:expTime]  = ccdCamerasAcqParams.ExposureTime
  63                 #       @@params[:ccdCamera][:imageSize] = ccdCamerasAcqParams.ImageSize
  64
  65                 return @@params.to_json
  66         end
  67
  68         def set_stageA(x, y, z, a)
  69                 puts "FEI setStageA"
  70
  71                 position = @@tem.Stage.Position
  72                 position.X = x*1e-7
  73                 position.Y = y*1e-7
  74                 position.Z = z*1e-7
  75                 position.A = a*(3.145159/180.0)
  76
  77                 @@tem.Stage.GoTo(position, 15)
  78
  79                 @@params[:stage][:x] = @@tem.Stage.Position.X
  80                 @@params[:stage][:y] = @@tem.Stage.Position.Y
  81                 @@params[:stage][:z] = @@tem.Stage.Position.Z
  82                 @@params[:stage][:a] = @@tem.Stage.Position.A
  83
  84                 return @@params[:stage].to_json
  85         end
  86
  87         def set_stageR(x, y, z, a)
  88                 puts "FEI setStageR"
  89
  90
  91                 position = @@tem.Stage.Position
  92                 position.X = position.X + x*1e-7
  93                 position.Y = position.Y + y*1e-7
  94                 position.Z = position.Z + z*1e-7
  95                 position.A = position.A + a*(3.145159/180.0)
  96
  97                 @@tem.Stage.GoTo(position, 15)
  98
  99                 @@params[:stage][:x] = @@tem.Stage.Position.X
 100                 @@params[:stage][:y] = @@tem.Stage.Position.Y
 101                 @@params[:stage][:z] = @@tem.Stage.Position.Z
 102                 @@params[:stage][:a] = @@tem.Stage.Position.A
 103
 104                 return @@params[:stage].to_json
 105         end
 106
 107         def set_spotsizeA(spsize)
 108                 puts "FEI setSpotSizeA"
 109
 110                 ill    = @@tem.Illumination
 111                 ill.SpotsizeIndex = spsize
 112                 @@params[:ill][:spotSizeIndex] = ill.SpotsizeIndex
 113                 return @@params[:ill].to_json
 114         end
 115
 116         def set_spotsizeR(spsize)
 117                 puts "FEI setSpotSizeR"
 118
 119                 ill    = @@tem.Illumination
 120                 ill.SpotsizeIndex = ill.SpotsizeIndex + spsize
 121                 @@params[:ill][:spotSizeIndex] = ill.SpotsizeIndex
 122                 return @@params[:ill].to_json
 123         end
 124
 125
 126         def set_magnificationA(magsize)
 127                 puts "FEI setMagnificationA"
 128
 129                 proj = @@tem.Projection
 130                 proj.MagnificationIndex = magsize
 131                 @@params[:proj][:magIndex] = proj.MagnificationIndex
 132                 @@params[:proj][:mag] = proj.Magnification
 133                 return @@params[:proj].to_json
 134         end
 135
 136         def set_magnificationR(magsize)
 137                 puts "FEI setMagnificationR"
 138
 139                 proj = @@tem.Projection
 140                 proj.MagnificationIndex = proj.MagnificationIndex + magsize
 141                 @@params[:proj][:magIndex] = proj.MagnificationIndex
 142                 @@params[:proj][:mag] = proj.Magnification
 143                 return @@params[:proj].to_json
 144         end
 145
 146         def set_image_beam_shift(x, y)
 147                 puts "FEI setImageShift"
 148
 149                 proj = @@tem.Projection
 150                 proj.ImageBeamShift.X = proj.ImageBeamShift.X
 151                 proj.ImageBeamShift.Y = proj.ImageBeamShift.Y
 152
 153                 puts proj.ImageBeamShift.X
 154                 @@params[:proj][:imageShift][:x] = proj.ImageBeamShift.X
 155                 @@params[:proj][:imageShift][:y] = proj.ImageBeamShift.Y
 156
 157         return @@params[:proj][:imageShift].to_json
 158         end
 159
 160         def set_focus(params)
 161                 puts "FEI setFocus"
 162
 163                 proj = @@tem.Projection
 164                 #proj.Focus = proj.Focus
 165                 @@params[:proj][:focus] = proj.Focus
 166                 return @@params[:proj][:focus].to_json
 167         end
 168
 169         def set_defocusR(params)
 170                 puts "FEI setDefocusR"
 171
 172                 proj = @@tem.Projection
 173                 proj.Defocus = proj.Defocus + params*1e-9
 174                 @@params[:proj][:defocus] = proj.Defocus
 175                 return @@params[:proj][:defocus].to_json
 176         end
 177
 178         def set_reset_defocus
 179                 puts "FEI resetDefocus"
 180
 181                 proj = @@tem.Projection
 182                 proj.ResetDefocus
 183                 @@params[:proj][:defocus] = proj.Defocus
 184                 return @@params[:proj][:defocus].to_json
 185         end
 186
 187         def set_condenser_stg(x, y)
 188                 puts "FEI setCondenserStigmater"
 189
 190                 ill = @@tem.Illumination
 191                 ill.CondenserStigmator.X = ill.CondenserStigmator.X + x
 192                 ill.CondenserStigmator.Y = ill.CondenserStigmator.Y + y
 193                 @@params[:ill][:condenserStg][:x] = ill.CondenserStigmator.X
 194                 @@params[:ill][:condenserStg][:y] = ill.CondenserStigmator.Y
 195                 return @@params[:ill][:condenserStg].to_json
 196         end
 197
 198         def set_object_stg(x, y)
 199                 puts "FEI setObjectStigmator"
 200
 201                 proj = @@tem.Projection
 202                 proj.ObjectiveStigmator.X = proj.ObjectiveStigmator.X + x
 203                 proj.ObjectiveStigmator.Y = proj.ObjectiveStigmator.Y + y
 204                 @@params[:proj][:objStg][:x] = proj.ObjectiveStigmator.X
 205                 @@params[:proj][:objStg][:y] = proj.ObjectiveStigmator.Y
 206         return @@params[:proj][:objStg].to_json
 207         end
 208
 209
 210         def acquisition_init(binning, exp_time, image_size)
 211                 puts "FEI acq_init"
 212
 213
 214                 # get acquitision object
 215                 @@acq = @@tem.Acquisition
 216
 217                 # acquire an image from "CCD" camera
 218                 @@acq.AddAcqDeviceByName("CCD")
 219
 220                 ## settings for acquisition parameters
 221                 # ccdCamerasAcqParams
 222                 ccdCamerasAcqParams = @@acq.Cameras.Item(0).AcqParams
 223                 # binning
 224                 ccdCamerasAcqParams.Binning = binning
 225                 # exposuretime
 226                 ccdCamerasAcqParams.ExposureTime = exp_time
 227                 # imagesize
 228                 ccdCamerasAcqParams.ImageSize = image_size
 229
 230                 @@params[:ccdCamera][:binning] = ccdCamerasAcqParams.Binning
 231                 @@params[:ccdCamera][:expTime]  = ccdCamerasAcqParams.ExposureTime
 232                 @@params[:ccdCamera][:imageSize] = ccdCamerasAcqParams.ImageSize
 233
 234                 return @@params[:ccdCamera].to_json
 235         end
 236
 237         def acquisition
 238                 @@acq = @@tem.Acquisition
 239                 # acquisition Image
 240                 imageCollection = @@acq.AcquireImages
 241                 img     = imageCollection.Item(0)
 242                 return img.AsSafeArray
 243         end
 244
 245         def set_obj(params)
 246                 puts "FEI setObj"
 247         end
 248
 249         def set_beamtilt(params)
 250                 puts "FEI setBeamTilt"
 251         end
 252
 253 end
 254