updated templates, ML_serial and ML_pycuda are broken

templates/model/moonflower_resample_DM_pycuda.py

@@ -0,0 +1,56 @@
+"""
+This script is a test for ptychographic reconstruction in the absence
+of actual data. It uses the test Scan class
+`ptypy.core.data.MoonFlowerScan` to provide "data".
+"""
+
+from ptypy.core import Ptycho
+from ptypy import utils as u
+import ptypy
+ptypy.load_gpu_engines("cuda")
+
+p = u.Param()
+# for verbose output
+p.verbose_level = 3
+p.frames_per_block = 200
+
+# set home path
+p.io = u.Param()
+p.io.home = "/tmp/ptypy/"
+p.io.autosave = u.Param(active=False)
+p.io.interaction = u.Param(active=True)
+p.io.interaction.server = u.Param(poll_timeout=1)
+
+# max 200 frames (128x128px) of diffraction data
+p.scans = u.Param()
+p.scans.MF = u.Param()
+# now you have to specify which ScanModel to use with scans.XX.name,
+# just as you have to give 'name' for engines and PtyScan subclasses.
+p.scans.MF.name = 'Vanilla' # or 'Full'
+p.scans.MF.data= u.Param()
+p.scans.MF.data.name = 'MoonFlowerScan'
+p.scans.MF.data.shape = 128
+p.scans.MF.data.num_frames = 200
+p.scans.MF.data.save = None
+
+# position distance in fraction of illumination frame
+p.scans.MF.data.density = 0.2
+# total number of photon in empty beam
+p.scans.MF.data.photons = 1e8
+# Gaussian FWHM of possible detector blurring
+p.scans.MF.data.psf = 0.
+
+# Resample by a factor of 2
+p.scans.MF.resample = 2
+
+# attach a reconstrucion engine
+p.engines = u.Param()
+p.engines.engine00 = u.Param()
+p.engines.engine00.name = 'DM_pycuda'
+p.engines.engine00.numiter = 100
+p.engines.engine00.probe_support = 0.05
+
+# prepare and run
+P = Ptycho(p,level=4)
+P.run()
+P.finalize()

templates/minimal_prep_and_run_resample_DM_serial.py → templates/model/moonflower_resample_DM_serial.py

@@ -6,7 +6,7 @@
 
 from ptypy.core import Ptycho
 from ptypy import utils as u
-from ptypy.accelerate.base.engines import DM_serial
+from ptypy.accelerate.base.engines import projectional_serial
 
 p = u.Param()
 # for verbose output

templates/model/moonflower_resample_ML_pycuda.py

@@ -0,0 +1,61 @@
+"""
+This script is a test for ptychographic reconstruction in the absence
+of actual data. It uses the test Scan class
+`ptypy.core.data.MoonFlowerScan` to provide "data".
+"""
+#import ptypy
+from ptypy.core import Ptycho
+from ptypy import utils as u
+import ptypy
+ptypy.load_gpu_engines("cuda")
+
+p = u.Param()
+
+# for verbose output
+p.verbose_level = 4
+p.frames_per_block = 100
+
+# set home path
+p.io = u.Param()
+p.io.home = "/tmp/ptypy/"
+p.io.autosave = u.Param(active=False)
+p.io.interaction = u.Param(active=True)
+p.io.interaction.server = u.Param(poll_timeout=1)
+
+# max 100 frames (128x128px) of diffraction data
+p.scans = u.Param()
+p.scans.MF = u.Param()
+p.scans.MF.name = 'Full'
+p.scans.MF.data= u.Param()
+p.scans.MF.data.name = 'MoonFlowerScan'
+p.scans.MF.data.shape = 128
+p.scans.MF.data.num_frames = 100
+p.scans.MF.data.save = None
+
+# position distance in fraction of illumination frame
+p.scans.MF.data.density = 0.2
+# total number of photon in empty beam
+p.scans.MF.data.photons = 1e8
+# Gaussian FWHM of possible detector blurring
+p.scans.MF.data.psf = 0.
+
+# Resample by a factor of 2
+p.scans.MF.resample = 2
+
+p.engines = u.Param()
+p.engines.engine01 = u.Param()
+p.engines.engine01.name = 'ML_serial'
+p.engines.engine01.reg_del2 = True                  # Whether to use a Gaussian prior (smoothing) regularizer
+p.engines.engine01.reg_del2_amplitude = 1.             # Amplitude of the Gaussian prior if used
+p.engines.engine01.scale_precond = True
+p.engines.engine01.scale_probe_object = 1.
+p.engines.engine01.smooth_gradient = 20.
+p.engines.engine01.smooth_gradient_decay = 1/50.
+p.engines.engine01.floating_intensities = True
+p.engines.engine01.numiter = 300
+
+# prepare and run
+P = Ptycho(p,level=4)
+P.run()
+P.finalize()
+