restructuring

demos/multichannel_demo.py

@@ -19,7 +19,6 @@
 import numpy as np
 from matplotlib import pyplot as plt
 import starblade as sb
-import nifty4 as ift
 
 if __name__ == '__main__':
 

gui/starblade.kv

+#:kivy 1.0.9
+TextInput:
+    on_parent:self.focus = True
+
+<MyWidget>:
+    image_widget: image_widget
+    menu_widget: menu_widget
+    data_path: 'hst_05195_01_wfpc2_f702w_pc_sci.fits'
+    result_path: ''
+    alpha: 1.5
+    spacing: 10
+    orientation: 'horizontal'
+
+    MenuWidget:
+        id: menu_widget
+        size_hint: 0.5,1
+
+
+    ImageWidget:
+        id: image_widget
+        size_hint: 1,1
+
+
+<MyAlphaWidget>:
+    orientation: 'horizontal'
+    Label:
+        text: unichr(945)
+    FloatInput
+        text: '1.5'
+        on_text: app.set_alpha(self.text)
+<IterationWidget>:
+    orientation: 'horizontal'
+    Label:
+        text: 'iterations'
+    IntInput
+        text: '3'
+        on_text: app.set_iterations(self.text)
+
+<FloatInput>:
+    multiline: False
+<IntInput>:
+    multiline: False
+
+<MyImage>:
+    text: self.text
+    source: self.source
+    img: img
+    orientation: 'vertical'
+    spacing: 10
+
+    Label:
+        text: self.parent.text
+        size_hint: 1,0.1
+    Image:
+        id: img
+        source: self.parent.source
+<AllImageWidget>:
+    data: data
+    points: points
+    diffuse: diffuse
+    power:power
+    orientation: 'vertical'
+    spacing: 10
+    BoxLayout
+        spacing: 10
+        orientation: 'horizontal'
+        MyImage:
+            id: data
+            text: 'data'
+            source: app.data_image
+        MyImage:
+            id: diffuse
+            source: app.diffuse_image
+            text: 'diffuse'
+    BoxLayout:
+        spacing: 10
+        orientation: 'horizontal'
+        MyImage:
+            id:points
+            source: app.points_image
+            text: 'points'
+        MyImage:
+            id: power
+            source: app.power_image
+            text: 'power'
+<DisplayWidget>
+    all: all
+    points: points
+    diffuse: diffuse
+    data: data
+    power: power
+    AllImageScreen:
+        id:all
+        name: 'all'
+        on_pre_enter: self.reload()
+
+    SingleImageScreen:
+        id:data
+        name: 'data'
+        text: 'data'
+        source: app.data_image
+        on_pre_enter: self.reload()
+
+    SingleImageScreen:
+        id: diffuse
+        name: 'diffuse'
+        text: 'diffuse'
+        source: app.diffuse_image
+        on_pre_enter: self.reload()
+
+    SingleImageScreen:
+        id: points
+        name: 'points'
+        text: 'points'
+        source: app.points_image
+        on_pre_enter: self.reload()
+
+    SingleImageScreen:
+        id:power
+        name: 'power'
+        text: 'power'
+        source: app.power_image
+        on_pre_enter: self.reload()
+
+
+<SingleImageScreen>
+    img: img
+    name: ''
+    source: self.source
+    text: ''
+    MyImage
+        id: img
+        text: self.parent.text
+        source: self.parent.source
+
+<AllImageScreen>
+    name: ''
+    all : all
+    AllImageWidget
+        id:all
+
+<MenuWidget>:
+    orientation: 'vertical'
+    MyAlphaWidget:
+        size_hint: 1,0.1
+    IterationWidget:
+        size_hint: 1,0.1
+
+
+    ActionWidget
+
+<ActionWidget>:
+    orientation: 'horizontal'
+    Button:
+        text: 'load data'
+        on_press:  app.root.current = 'file'
+    Button:
+        text: 'run separation'
+        on_press: app.run_separation()
+    Button:
+        text: 'save results'
+        on_press:  app.save_results()
+
+<DisplayChoiceWidget>:
+    orientation: 'horizontal'
+    Button:
+        text: 'all'
+        on_press: app.image_widget.current = 'all'
+    Button:
+        text: 'data'
+        on_press: app.image_widget.current = 'data'
+    Button:
+        text: 'diffuse'
+        on_press: app.image_widget.current = 'diffuse'
+    Button:
+        text: 'points'
+        on_press: app.image_widget.current = 'points'
+    Button:
+        text: 'power'
+        on_press: app.image_widget.current = 'power'
+<ImageWidget>:
+    orientation: 'vertical'
+    image_widget : image_widget
+
+    DisplayChoiceWidget:
+        size_hint: 1, 0.1
+    DisplayWidget:
+        id: image_widget
+
+
+<MyPathBrowser>:
+    id: _filebrowser
+    dirselect: True
+
+<MyFileBrowser>:
+
+<GlobalScreenManager>:
+    file: file
+    main: main
+    path: path
+
+    MainScreen:
+        id: main
+        name: 'main'
+
+    FileScreen:
+        id:file
+        name: 'file'
+
+    PathScreen:
+        id: path
+        name: 'path'
+
+
+<FileScreen>:
+    MyFileBrowser:
+        on_success: app.load_data(self.selection)
+        on_canceled: app.root.current = 'main'
+
+<MainScreen>:
+    image_widget: image_widget
+    MyWidget:
+        id:image_widget
+<PathScreen>:
+    MyPathBrowser
+        filters: [root.is_dir]
+        on_success: app.select_path(self.selection)
+        on_canceled: app.root.current = 'main'
+
+
+
+
+
+
+
+
+
+
+
+

gui/starblade_app.py

+import matplotlib
+matplotlib.use('agg')
+# matplotlib.use('module://kivy.garden.matplotlib.backend_kivy')
+
+from astropy.io import fits
+
+from kivy.app import App
+from kivy.uix.widget import Widget
+from kivy.uix.button import Button
+from kivy.uix.label import Label
+from kivy.uix.image import Image
+from kivy.properties import ObjectProperty, StringProperty, NumericProperty
+from kivy.uix.boxlayout import BoxLayout
+from kivy.clock import Clock, mainthread
+from os.path import sep, expanduser, isdir, dirname, join
+from kivy.garden.filebrowser import FileBrowser
+from kivy.utils import platform
+
+from kivy.uix.textinput import TextInput
+from kivy.uix.screenmanager import ScreenManager, Screen, NoTransition
+import numpy as np
+import re
+import threading
+import matplotlib.pyplot as plt
+
+
+from kivy.uix.progressbar import ProgressBar
+
+import starblade as sb
+
+
+def load_data(path):
+
+    if path[-5:] == '.fits':
+        data = fits.open(path)[1].data
+    else:
+        data = plt.imread(path)
+
+    data = data.clip(min=0.001)
+    data = np.ndarray.astype(data, float)
+    return data
+
+
+class FloatInput(TextInput):
+
+    pat = re.compile('[^0-9]')
+    def insert_text(self, substring, from_undo=False):
+        print substring
+        pat = self.pat
+        if '.' in self.text:
+            s = re.sub(pat, '', substring)
+        else:
+            s = '.'.join([re.sub(pat, '', s) for s in substring.split('.', 1)])
+        return super(FloatInput, self).insert_text(s, from_undo=from_undo)
+class IntInput(TextInput):
+
+    pat = re.compile('[^0-9]')
+    def insert_text(self, substring, from_undo=False):
+        pat = self.pat
+        s = re.sub(pat, '', substring)
+
+        return super(IntInput, self).insert_text(s, from_undo=from_undo)
+
+
+
+class MyImage(BoxLayout):
+    text = StringProperty('')
+    source = StringProperty('')
+
+    def reload(self):
+        self.img.reload()
+
+class MyAlphaWidget(BoxLayout):
+    alpha = NumericProperty(None)
+    pass
+class IterationWidget(BoxLayout):
+    iteration = NumericProperty(None)
+    pass
+class ResultsPathWidget(BoxLayout):
+
+    pass
+
+class DataPathWidget(BoxLayout):
+    pass
+
+class DisplayWidget(ScreenManager):
+    def reload(self):
+        for child in self.children:
+            child.reload()
+class ImageWidget(BoxLayout):
+    def reload(self):
+        self.image_widget.reload()
+
+class MenuWidget(BoxLayout):
+    pass
+class SingleImageScreen(Screen):
+    source = StringProperty('')
+    def reload(self):
+        self.img.reload()
+    pass
+class AllImageScreen(Screen):
+    def reload(self):
+        self.all.reload()
+    pass
+class AllImageWidget(BoxLayout):
+    def reload(self):
+        self.data.reload()
+        self.points.reload()
+        self.diffuse.reload()
+        self.power.reload()
+    pass
+
+class ActionWidget(BoxLayout):
+    pass
+class DisplayChoiceWidget(BoxLayout):
+    pass
+
+class GlobalScreenManager(ScreenManager):
+    pass
+
+class MainScreen(Screen):
+    pass
+
+class FileScreen(Screen):
+    pass
+class PathScreen(Screen):
+    def is_dir(self, directory, filename):
+        return isdir(join(directory, filename))
+
+
+class MyWidget(BoxLayout):
+    image_widget = ObjectProperty(None)
+    menu_widget = ObjectProperty(None)
+
+    data_path = StringProperty(None)
+    result_path = StringProperty(None)
+    alpha = NumericProperty(None)
+
+
+class MyPathBrowser(FileBrowser):
+    pass
+
+class MyFileBrowser(FileBrowser):
+    filters = ['*.fits', '*.png', '*.jpg']
+    pass
+
+
+class StarbladeApp(App):
+    stop = threading.Event()
+
+    data_path = StringProperty(None)
+    result_path = StringProperty(None)
+    alpha = NumericProperty(None)
+    data_image = StringProperty(None)
+    diffuse_image = StringProperty(None)
+    points_image = StringProperty(None)
+    power_image = StringProperty(None)
+    vmin = None
+    vmax = None
+    myEnergy = None
+    iterations = 3
+    user_path = ''
+    reconstructing = False
+    data_loaded = False
+
+    def build(self):
+        self.set_default()
+        ##TODO create placeholder image here
+        self.trigger = 0
+        self.root = GlobalScreenManager()
+        self.image_widget = self.root.main.image_widget.image_widget.image_widget
+        self.root.transition = NoTransition()
+        self.image_widget.transition = NoTransition()
+        return self.root
+
+    def set_default(self):
+        self.data_path = ''
+        self.result_path = ''
+        self.alpha = 1.5
+        self.path = ''
+        self.data_image = self.path + 'placeholder.png'
+        self.diffuse_image = self.path + 'placeholder.png'
+        self.points_image = self.path + 'placeholder.png'
+        self.power_image = self.path + 'placeholder.png'
+        if platform == 'win':
+            self.user_path = dirname(expanduser('~')) + sep + 'Documents'
+        else:
+            self.user_path = expanduser('~') + sep + 'Documents'
+
+    def load_data(self, selection):
+        print selection
+        self.data_path = selection[0]
+        threading.Thread(target=self.load_data_thread).start()
+        self.root.current = 'main'
+
+    def load_data_thread(self):
+        self.data = load_data(self.data_path)
+        self.vmin = np.log(self.data.min())
+        self.max = np.log(self.data.max())
+        self.plot_data()
+        self.set_data_loaded(True)
+        self.set_data_image()
+        self.update_plots()
+
+    def run_separation(self):
+        if not self.reconstructing and self.data_loaded:
+            threading.Thread(target= self.run_separation_thread).start()
+
+    def run_separation_thread(self):
+        self.set_reconstructing(True)
+        self.myEnergy = sb.build_multi_starblade(self.data, self.alpha)
+        self.plot_components(self.path)
+        self.set_image_paths()
+        self.update_plots()
+
+        for i in range(self.iterations):
+            self.myEnergy = sb.multi_starblade_iteration(self.myEnergy)
+            self.plot_components(self.path)
+            self.update_plots()
+        self.set_reconstructing(False)
+
+    def save_results(self):
+        if self.myEnergy is not None:
+            self.root.current = 'path'
+
+    def select_path(self, path):
+        self.result_path = path[0]
+        threading.Thread(target=self.save_data_thread).start()
+        self.root.current = 'main'
+
+    def save_data_thread(self):
+        np.savetxt(self.result_path + '/points.csv', np.exp(self.myEnergy.u.val))
+        np.savetxt(self.result_path + '/diffus.csv', np.exp(self.myEnergy.s.val))
+        self.plot_components(self.result_path)
+    def set_result_path(self, path):
+        self.result_path = path
+
+    @mainthread
+    def update_plots(self):
+        self.image_widget.reload()
+    @mainthread
+    def set_reconstructing(self, reconstructing):
+        self.reconstructing = reconstructing
+    @mainthread
+    def set_data_loaded(self, loaded):
+        self.data_loaded = loaded
+
+    def set_data_path(self, path):
+        self.data_path = path
+    @mainthread
+    def set_data_image(self):
+
+        self.data_image = self.path + 'data.png'
+    @mainthread
+    def set_image_paths(self):
+        self.points_image = self.path + 'points.png'
+        self.diffuse_image = self.path + 'diffuse.png'
+
+    def plot_data(self):
+        if self.data.shape[0] == 1:
+            plt.imsave(self.path+'data.png', self.data[0], vmin=self.vmin, vmax=self.vmax)
+        else:
+            plt.imsave(self.path+ 'data.png', self.data/255.)
+
+    def plot_components(self, path):
+        diffuse = np.empty_like(self.data)
+        points = np.empty_like(self.data)
+        for i  in range(len(self.myEnergy)):
+            diffuse[...,i] = np.exp(self.myEnergy[i].s.val)
+            points[...,i] = np.exp(self.myEnergy[i].u.val)
+        if len(self.myEnergy) == 1:
+            plt.imsave(path+'diffuse.png', diffuse[...,0], vmin=self.vmin, vmax=self.vmax)
+            plt.imsave(path+'points.png', points[...,0], vmin=self.vmin, vmax=self.vmax)
+        else:
+            plt.imsave(self.path+ 'diffuse.png', diffuse/255.)
+            plt.imsave(self.path+ 'points.png', points/255.)
+
+
+    def set_alpha(self, alpha):
+        if alpha == '':
+            pass
+        else:
+            self.alpha = alpha
+    def set_iterations(self,iterations):
+        if iterations == '':
+            pass
+        else:
+            self.iterations = int(iterations)
+
+    def on_stop(self):
+        self.stop.set()
+
+
+if __name__ == '__main__':
+    plt.gray()
+    StarbladeApp().run()

paper/1d_separation.py

+import nifty4 as ift
+import numpy as np
+from matplotlib import rc
+rc('font',**{'family':'serif','serif':['Palatino']})
+rc('text', usetex=True)
+from matplotlib import pyplot as plt
+
+import starblade as sb
+
+np.random.seed(42)
+if __name__ == '__main__':
+    s_space = ift.RGSpace([1024])
+    h_space = s_space.get_default_codomain()
+    FFT = ift.FFTOperator(h_space)
+    p_spec = lambda k: (1./(1+k)**2.5)
+    S = ift.create_power_operator(h_space, power_spectrum=p_spec)
+    sh = S.draw_sample()
+    s = FFT(sh)
+
+    u = ift.Field(s_space, val = -12)
+    u.val[200] = 1
+    u.val[300] = 3
+    u.val[500] = 4
+    u.val[700] = 5
+    u.val[900] = 2
+    u.val[154] = 0.5
+    u.val[421] = 0.25
+    u.val[652] = 1
+    u.val[1002] = 2.5
+
+    d = ift.exp(s) + ift.exp(u)
+    data = d.val
+
+    energy1 = sb.build_starblade(data,1.25)
+    energy2 = sb.build_starblade(data,1.5)
+    energy3 = sb.build_starblade(data,1.75)
+
+    for i in range(20):
+        energy1 = sb.starblade_iteration(energy1)
+        energy2 = sb.starblade_iteration(energy2)
+        energy3 = sb.starblade_iteration(energy3)
+
+    size = 15
+    plt.figure()
+    # plt.plot(data, 'k-')
+    f, (ax0, ax1,ax2) = plt.subplots(3, sharex=True, sharey=True)
+    plt.suptitle('diffuse components', size=size)
+
+    ax0.plot(ift.exp(energy1.s).val, 'k-')
+    ax0.yaxis.set_label_position("right")
+    ax0.set_ylabel(r'$\alpha = 1.25$', size=size)
+    ax0.set_ylim(1e-1,1e3)
+    ax0.set_yscale("log")
+
+    ax1.plot(ift.exp(energy2.s).val, 'k-')
+    ax1.yaxis.set_label_position("right")
+    ax1.set_ylabel(r'$\alpha = 1.5$', size=size)
+
+    ax2.plot(ift.exp(energy3.s).val, 'k-')
+    ax2.yaxis.set_label_position("right")
+    ax2.set_ylabel(r'$\alpha = 1.75$', size=size)
+
+    plt.savefig('1d_diffuse.pdf')
+
+    plt.figure()
+    f, (ax0, ax1,ax2) = plt.subplots(3, sharex=True, sharey=True)
+
+    plt.suptitle('point-like components', size=size)
+
+    ax0.plot(ift.exp(energy1.u).val, 'k-')
+    ax0.yaxis.set_label_position("right")
+    ax0.set_ylabel(r'$\alpha = 1.25$', size=size)
+    ax0.set_ylim(1e-1,1e3)
+    ax0.set_yscale("log")
+
+    ax1.plot(ift.exp(energy2.u).val, 'k-')
+    ax1.yaxis.set_label_position("right")
+    ax1.set_ylabel(r'$\alpha = 1.5$', size=size)
+
+    ax2.plot(ift.exp(energy3.u).val, 'k-')
+    ax2.yaxis.set_label_position("right")
+    ax2.set_ylabel(r'$\alpha = 1.75$', size=size)
+
+    ax0.set_yscale("log")
+
+    ax0.set_ylim(<