code/chirpdetection.py

@@ -3,14 +3,16 @@ import os
 import numpy as np
 from IPython import embed
 import matplotlib.pyplot as plt
-from scipy.stats import iqr
 from scipy.signal import find_peaks
 from scipy.ndimage import gaussian_filter1d
 from thunderfish.dataloader import DataLoader
 from thunderfish.powerspectrum import spectrogram, decibel
 
 from modules.filters import bandpass_filter, envelope, highpass_filter
-from modules.filehandling import ConfLoader
+from modules.filehandling import ConfLoader, LoadData
+from modules.plotstyle import PlotStyle
+
+ps = PlotStyle()
 
 
 def instantaneos_frequency(
@@ -136,22 +138,24 @@ def main(datapath: str) -> None:
 
     # load raw file
     file = os.path.join(datapath, "traces-grid1.raw")
-    data = DataLoader(file, 60.0, 0, channel=-1)
+    # data = DataLoader(file, 60.0, 0, channel=-1)
+
+    data = LoadData(datapath)
 
     # load wavetracker files
-    time = np.load(datapath + "times.npy", allow_pickle=True)
-    freq = np.load(datapath + "fund_v.npy", allow_pickle=True)
-    powers = np.load(datapath + "sign_v.npy", allow_pickle=True)
-    idx = np.load(datapath + "idx_v.npy", allow_pickle=True)
-    ident = np.load(datapath + "ident_v.npy", allow_pickle=True)
+    # time = np.load(datapath + "times.npy", allow_pickle=True)
+    # freq = np.load(datapath + "fund_v.npy", allow_pickle=True)
+    # powers = np.load(datapath + "sign_v.npy", allow_pickle=True)
+    # idx = np.load(datapath + "idx_v.npy", allow_pickle=True)
+    # ident = np.load(datapath + "ident_v.npy", allow_pickle=True)
 
     # load config file
     config = ConfLoader("chirpdetector_conf.yml")
 
     # set time window # <------------------------ Iterate through windows here
-    window_duration = config.window * data.samplerate
-    window_overlap = config.overlap * data.samplerate
-    window_edge = config.edge * data.samplerate
+    window_duration = config.window * data.raw_rate
+    window_overlap = config.overlap * data.raw_rate
+    window_edge = config.edge * data.raw_rate
 
     # check if window duration is even
     if window_duration % 2 == 0:
@@ -165,11 +169,11 @@ def main(datapath: str) -> None:
     else:
         raise ValueError("Window overlap must be even.")
 
-    raw_time = np.arange(data.shape[0]) / data.samplerate
+    raw_time = np.arange(data.raw.shape[0]) / data.raw_rate
 
     # good chirp times for data: 2022-06-02-10_00
-    t0 = (3 * 60 * 60 + 6 * 60 + 43.5) * data.samplerate
-    dt = 60 * data.samplerate
+    t0 = (3 * 60 * 60 + 6 * 60 + 43.5) * data.raw_rate
+    dt = 60 * data.raw_rate
 
     window_starts = np.arange(
         t0,
@@ -181,31 +185,31 @@ def main(datapath: str) -> None:
     for start_index in window_starts:
 
         # make t0 and dt
-        t0 = start_index / data.samplerate
-        dt = window_duration / data.samplerate
+        t0 = start_index / data.raw_rate
+        dt = window_duration / data.raw_rate
 
         # set index window
         stop_index = start_index + window_duration
 
         # t0 = 3 * 60 * 60 + 6 * 60 + 43.5
         # dt = 60
-        # start_index = t0 * data.samplerate
-        # stop_index = (t0 + dt) * data.samplerate
+        # start_index = t0 * data.raw_rate
+        # stop_index = (t0 + dt) * data.raw_rate
 
         # iterate through all fish
-        for i, track_id in enumerate(np.unique(ident[~np.isnan(ident)])[:2]):
+        for i, track_id in enumerate(np.unique(data.ident[~np.isnan(data.ident)])[:2]):
 
             # get indices for time array in time window
-            window_index = np.arange(len(idx))[
-                (ident == track_id) & (time[idx] >= t0) & (
-                    time[idx] <= (t0 + dt))
+            window_index = np.arange(len(data.idx))[
+                (data.ident == track_id) & (data.time[data.idx] >= t0) & (
+                    data.time[data.idx] <= (t0 + dt))
             ]
 
             # get tracked frequencies and their times
-            freq_temp = freq[window_index]
-            powers_temp = powers[window_index, :]
+            freq_temp = data.freq[window_index]
+            powers_temp = data.powers[window_index, :]
             # time_temp = time[idx[window_index]]
-            track_samplerate = np.mean(1 / np.diff(time))
+            track_samplerate = np.mean(1 / np.diff(data.time))
             expected_duration = ((t0 + dt) - t0) * track_samplerate
 
             # check if tracked data available in this window
@@ -228,7 +232,7 @@ def main(datapath: str) -> None:
             for i, electrode in enumerate(best_electrodes):
 
                 # load region of interest of raw data file
-                data_oi = data[start_index:stop_index, :]
+                data_oi = data.raw[start_index:stop_index, :]
                 time_oi = raw_time[start_index:stop_index]
 
                 # plot wavetracker tracks to spectrogram
@@ -255,56 +259,56 @@ def main(datapath: str) -> None:
 
                 # filter baseline and above
                 baseline, search = double_bandpass(
-                    data_oi[:, electrode], data.samplerate, freq_temp, search_freq
+                    data_oi[:, electrode], data.raw_rate, freq_temp, search_freq
                 )
 
                 # compute instantaneous frequency on broad signal
                 broad_baseline = bandpass_filter(
                     data_oi[:, electrode],
-                    data.samplerate,
+                    data.raw_rate,
                     lowf=np.mean(freq_temp)-5,
                     highf=np.mean(freq_temp)+100
                 )
 
                 # compute instantaneous frequency on narrow signal
                 baseline_freq_time, baseline_freq = instantaneos_frequency(
-                    baseline, data.samplerate
+                    baseline, data.raw_rate
                 )
 
                 # compute envelopes
-                baseline_envelope = envelope(
-                    baseline, data.samplerate, config.envelope_cutoff)
+                baseline_envelope_unfiltered = envelope(
+                    baseline, data.raw_rate, config.envelope_cutoff)
                 search_envelope = envelope(
-                    search, data.samplerate, config.envelope_cutoff)
+                    search, data.raw_rate, config.envelope_cutoff)
 
                 # highpass filter envelopes
                 baseline_envelope = highpass_filter(
-                    baseline_envelope,
-                    data.samplerate,
+                    baseline_envelope_unfiltered,
+                    data.raw_rate,
                     config.envelope_highpass_cutoff
                 )
 
-                baseline_envelope = np.abs(baseline_envelope)
+                # baseline_envelope = np.abs(baseline_envelope)
                 # search_envelope = highpass_filter(
                 #     search_envelope,
-                #     data.samplerate,
+                #     data.raw_rate,
                 #     config.envelope_highpass_cutoff
                 # )
 
                 # envelopes of filtered envelope of filtered baseline
                 baseline_envelope = envelope(
                     np.abs(baseline_envelope),
-                    data.samplerate,
+                    data.raw_rate,
                     config.envelope_envelope_cutoff
                 )
 
 #             search_envelope = bandpass_filter(
-#                 search_envelope, data.samplerate, lowf=lowf, highf=highf)
+#                 search_envelope, data.raw_rate, lowf=lowf, highf=highf)
 
                 # bandpass filter the instantaneous
                 inst_freq_filtered = bandpass_filter(
                     baseline_freq,
-                    data.samplerate,
+                    data.raw_rate,
                     lowf=config.instantaneous_lowf,
                     highf=config.instantaneous_highf
                 )
@@ -320,13 +324,14 @@ def main(datapath: str) -> None:
                     int(window_edge), len(baseline_envelope) -
                     int(window_edge)
                 )
+                baseline_envelope_unfiltered = baseline_envelope_unfiltered[valid]
                 baseline_envelope = baseline_envelope[valid]
                 search_envelope = search_envelope[valid]
 
                 # get inst freq valid snippet
-                valid_t0 = int(window_edge) / data.samplerate
+                valid_t0 = int(window_edge) / data.raw_rate
                 valid_t1 = baseline_freq_time[-1] - \
-                    (int(window_edge) / data.samplerate)
+                    (int(window_edge) / data.raw_rate)
 
                 inst_freq_filtered = inst_freq_filtered[(baseline_freq_time >= valid_t0) & (
                     baseline_freq_time <= valid_t1)]
@@ -367,27 +372,26 @@ def main(datapath: str) -> None:
 
                 # plot spectrogram
                 plot_spectrogram(
-                    axs[0, i], data_oi[:, electrode], data.samplerate, t0)
+                    axs[0, i], data_oi[:, electrode], data.raw_rate, t0)
 
                 # plot baseline instantaneos frequency
                 axs[1, i].plot(baseline_freq_time, baseline_freq -
-                               np.median(baseline_freq), marker=".")
+                               np.median(baseline_freq))
 
                 # plot waveform of filtered signal
-                axs[2, i].plot(time_oi, baseline, c="k")
+                axs[2, i].plot(time_oi, baseline, c=ps.green)
 
-                # plot narrow filtered baseline
+                # plot broad filtered baseline
                 axs[2, i].plot(
                     time_oi,
-                    baseline_envelope,
-                    c="orange",
+                    broad_baseline,
                 )
 
-                # plot broad filtered baseline
+                # plot narrow filtered baseline envelope
                 axs[2, i].plot(
                     time_oi,
-                    broad_baseline,
-                    c="green",
+                    baseline_envelope_unfiltered,
+                    c=ps.red
                 )
 
                 # plot waveform of filtered search signal
@@ -397,7 +401,7 @@ def main(datapath: str) -> None:
                 axs[3, i].plot(
                     time_oi,
                     search_envelope,
-                    c="orange",
+                    c=ps.red
                 )
 
                 # plot filtered and rectified envelope
@@ -405,7 +409,7 @@ def main(datapath: str) -> None:
                 axs[4, i].scatter(
                     (time_oi)[baseline_peaks],
                     baseline_envelope[baseline_peaks],
-                    c="red",
+                    c=ps.red,
                 )
 
                 # plot envelope of search signal
@@ -413,7 +417,7 @@ def main(datapath: str) -> None:
                 axs[5, i].scatter(
                     (time_oi)[search_peaks],
                     search_envelope[search_peaks],
-                    c="red",
+                    c=ps.red,
                 )
 
                 # plot filtered instantaneous frequency
@@ -421,7 +425,7 @@ def main(datapath: str) -> None:
                 axs[6, i].scatter(
                     baseline_freq_time[inst_freq_peaks],
                     np.abs(inst_freq_filtered)[inst_freq_peaks],
-                    c="red",
+                    c=ps.red,
                 )
 
                 axs[6, i].set_xlabel("Time [s]")

code/chirpdetector_conf.yml

@@ -13,7 +13,7 @@ search_boundary: 100
 envelope_cutoff: 25
 
 # Cutoff frequency for envelope highpass filter
-envelope_highpass_cutoff: 5
+envelope_highpass_cutoff: 3
 
 # Cutoff frequency for envelope of envelope
 envelope_envelope_cutoff: 5

code/modules/filehandling.py

@@ -37,12 +37,13 @@ class LoadData:
 
         # load raw data
         self.file = os.path.join(datapath, "traces-grid1.raw")
-        self.data = DataLoader(self.file, 60.0, 0, channel=-1)
-        self.samplerate = self.data.samplerate
+        self.raw = DataLoader(self.file, 60.0, 0, channel=-1)
+        self.raw_rate = self.raw.samplerate
 
         # load wavetracker files
         self.time = np.load(datapath + "times.npy", allow_pickle=True)
         self.freq = np.load(datapath + "fund_v.npy", allow_pickle=True)
+        self.powers = np.load(datapath + "sign_v.npy", allow_pickle=True)
         self.idx = np.load(datapath + "idx_v.npy", allow_pickle=True)
         self.ident = np.load(datapath + "ident_v.npy", allow_pickle=True)
         self.ids = np.unique(self.ident[~np.isnan(self.ident)])

code/modules/plotstyle.py

@@ -0,0 +1,368 @@
+import cmocean as cmo
+import matplotlib.pyplot as plt
+import numpy as np
+from cycler import cycler
+from matplotlib.colors import ListedColormap
+
+
+def PlotStyle() -> None:
+    class style:
+
+        # lightcmap = cmocean.tools.lighten(cmocean.cm.haline, 0.8)
+
+        # units
+        cm = 1 / 2.54
+        mm = 1 / 25.4
+
+        # colors
+        black = "#111116"
+        white = "#e0e4f7"
+        gray = "#6c6e7d"
+        blue = "#89b4fa"
+        sapphire = "#74c7ec"
+        sky = "#89dceb"
+        teal = "#94e2d5"
+        green = "#a6e3a1"
+        yellow = "#f9e2af"
+        orange = "#fab387"
+        maroon = "#eba0ac"
+        red = "#f38ba8"
+        purple = "#cba6f7"
+        pink = "#f5c2e7"
+        lavender = "#b4befe"
+
+        @classmethod
+        def lims(cls, track1, track2):
+            """Helper function to get frequency y axis limits from two fundamental frequency tracks.
+
+            Args:
+                track1 (array): First track
+                track2 (array): Second track
+                start (int): Index for first value to be plotted
+                stop (int): Index for second value to be plotted
+                padding (int): Padding for the upper and lower limit
+
+            Returns:
+                lower (float): lower limit
+                upper (float): upper limit
+
+            """
+            allfunds_tmp = (
+                np.concatenate(
+                    [
+                        track1,
+                        track2,
+                    ]
+                )
+                .ravel()
+                .tolist()
+            )
+            lower = np.min(allfunds_tmp)
+            upper = np.max(allfunds_tmp)
+            return lower, upper
+
+        @classmethod
+        def circled_annotation(cls, text, axis, xpos, ypos, padding=0.25):
+            axis.text(
+                xpos,
+                ypos,
+                text,
+                ha="center",
+                va="center",
+                zorder=1000,
+                bbox=dict(
+                    boxstyle=f"circle, pad={padding}", fc="white", ec="black", lw=1
+                ),
+            )
+
+        @classmethod
+        def fade_cmap(cls, cmap):
+
+            my_cmap = cmap(np.arange(cmap.N))
+            my_cmap[:, -1] = np.linspace(0, 1, cmap.N)
+            my_cmap = ListedColormap(my_cmap)
+
+            return my_cmap
+
+        @classmethod
+        def hide_ax(cls, ax):
+            ax.xaxis.set_visible(False)
+            plt.setp(ax.spines.values(), visible=False)
+            ax.tick_params(left=False, labelleft=False)
+            ax.patch.set_visible(False)
+
+        @classmethod
+        def set_boxplot_color(cls, bp, color):
+            plt.setp(bp["boxes"], color=color)
+            plt.setp(bp["whiskers"], color=color)
+            plt.setp(bp["caps"], color=color)
+            plt.setp(bp["medians"], color=color)
+
+        @classmethod
+        def label_subplots(cls, labels, axes, fig):
+            for axis, label in zip(axes, labels):
+                X = axis.get_position().x0
+                Y = axis.get_position().y1
+                fig.text(X, Y, label, weight="bold")
+
+        @classmethod
+        def letter_subplots(
+            cls, axes=None, letters=None, xoffset=-0.1, yoffset=1.0, **kwargs
+        ):
+            """Add letters to the corners of subplots (panels). By default each axis is
+            given an uppercase bold letter label placed in the upper-left corner.
+            Args
+                axes : list of pyplot ax objects. default plt.gcf().axes.
+                letters : list of strings to use as labels, default ["A", "B", "C", ...]
+                xoffset, yoffset : positions of each label relative to plot frame
+                (default -0.1,1.0 = upper left margin). Can also be a list of
+                offsets, in which case it should be the same length as the number of
+                axes.
+                Other keyword arguments will be passed to annotate() when panel letters
+                are added.
+            Returns:
+                list of strings for each label added to the axes
+            Examples:
+                Defaults:
+                    >>> fig, axes = plt.subplots(1,3)
+                    >>> letter_subplots() # boldfaced A, B, C
+
+                Common labeling schemes inferred from the first letter:
+                    >>> fig, axes = plt.subplots(1,4)
+                    # panels labeled (a), (b), (c), (d)
+                    >>> letter_subplots(letters='(a)')
+                Fully custom lettering:
+                    >>> fig, axes = plt.subplots(2,1)
+                    >>> letter_subplots(axes, letters=['(a.1)', '(b.2)'], fontweight='normal')
+                Per-axis offsets:
+                    >>> fig, axes = plt.subplots(1,2)
+                    >>> letter_subplots(axes, xoffset=[-0.1, -0.15])
+
+                Matrix of axes:
+                    >>> fig, axes = plt.subplots(2,2, sharex=True, sharey=True)
+                    # fig.axes is a list when axes is a 2x2 matrix
+                    >>> letter_subplots(fig.axes)
+            """
+
+            # get axes:
+            if axes is None:
+                axes = plt.gcf().axes
+            # handle single axes:
+            try:
+                iter(axes)
+            except TypeError:
+                axes = [axes]
+
+            # set up letter defaults (and corresponding fontweight):
+            fontweight = "bold"
+            ulets = list("ABCDEFGHIJKLMNOPQRSTUVWXYZ"[: len(axes)])
+            llets = list("abcdefghijklmnopqrstuvwxyz"[: len(axes)])
+            if letters is None or letters == "A":
+                letters = ulets
+            elif letters == "(a)":
+                letters = ["({})".format(lett) for lett in llets]
+                fontweight = "normal"
+            elif letters == "(A)":
+                letters = ["({})".format(lett) for lett in ulets]
+                fontweight = "normal"
+            elif letters in ("lower", "lowercase", "a"):
+                letters = llets
+
+            # make sure there are x and y offsets for each ax in axes:
+            if isinstance(xoffset, (int, float)):
+                xoffset = [xoffset] * len(axes)
+            else:
+                assert len(xoffset) == len(axes)
+            if isinstance(yoffset, (int, float)):
+                yoffset = [yoffset] * len(axes)
+            else:
+                assert len(yoffset) == len(axes)
+
+            # defaults for annotate (kwargs is second so it can overwrite these defaults):
+            my_defaults = dict(
+                fontweight=fontweight,
+                fontsize="large",
+                ha="center",
+                va="center",
+                xycoords="axes fraction",
+                annotation_clip=False,
+            )
+            kwargs = dict(list(my_defaults.items()) + list(kwargs.items()))
+
+            list_txts = []
+            for ax, lbl, xoff, yoff in zip(axes, letters, xoffset, yoffset):
+                t = ax.annotate(lbl, xy=(xoff, yoff), **kwargs)
+                list_txts.append(t)
+            return list_txts
+
+        pass
+
+    # rcparams text setup
+    SMALL_SIZE = 12
+    MEDIUM_SIZE = 14
+    BIGGER_SIZE = 16
+    black = "#111116"
+    white = "#e0e4f7"
+    gray = "#6c6e7d"
+    dark_gray = "#2a2a32"
+
+    # rcparams
+    plt.rc("font", size=MEDIUM_SIZE)  # controls default text sizes
+    plt.rc("axes", titlesize=MEDIUM_SIZE)  # fontsize of the axes title
+    plt.rc("axes", labelsize=MEDIUM_SIZE)  # fontsize of the x and y labels
+    plt.rc("xtick", labelsize=SMALL_SIZE)  # fontsize of the tick labels
+    plt.rc("ytick", labelsize=SMALL_SIZE)  # fontsize of the tick labels
+    plt.rc("legend", fontsize=SMALL_SIZE)  # legend fontsize
+    plt.rc("figure", titlesize=BIGGER_SIZE)  # fontsize of the figure title
+
+    plt.rcParams["image.cmap"] = 'cmo.haline'
+    # plt.rcParams["axes.xmargin"] = 0.1
+    # plt.rcParams["axes.ymargin"] = 0.15
+    plt.rcParams["axes.titlelocation"] = "left"
+    plt.rcParams["axes.titlesize"] = BIGGER_SIZE
+    # plt.rcParams["axes.titlepad"] = -10
+    plt.rcParams["legend.frameon"] = False
+    plt.rcParams["legend.loc"] = "best"
+    plt.rcParams["legend.borderpad"] = 0.4
+    plt.rcParams["legend.facecolor"] = black
+    plt.rcParams["legend.edgecolor"] = black
+    plt.rcParams["legend.framealpha"] = 0.7
+    plt.rcParams["legend.borderaxespad"] = 0.5
+    plt.rcParams["legend.fancybox"] = False
+
+    # specify the custom font to use
+    plt.rcParams["font.family"] = "sans-serif"
+    plt.rcParams["font.sans-serif"] = "Helvetica Now Text"
+
+    # dark mode modifications
+    plt.rcParams["boxplot.flierprops.color"] = white
+    plt.rcParams["boxplot.flierprops.markeredgecolor"] = gray
+    plt.rcParams["boxplot.boxprops.color"] = gray
+    plt.rcParams["boxplot.whiskerprops.color"] = gray
+    plt.rcParams["boxplot.capprops.color"] = gray
+    plt.rcParams["boxplot.medianprops.color"] = gray
+    plt.rcParams["text.color"] = white
+    plt.rcParams["axes.facecolor"] = black  # axes background color
+    plt.rcParams["axes.edgecolor"] = gray  # axes edge color
+    # plt.rcParams["axes.grid"] = True    # display grid or not
+    # plt.rcParams["axes.grid.axis"] = "y"  # which axis the grid is applied to
+    plt.rcParams["axes.labelcolor"] = white
+    plt.rcParams["axes.axisbelow"] = True    # draw axis gridlines and ticks:
+    plt.rcParams["axes.spines.left"] = True  # display axis spines
+    plt.rcParams["axes.spines.bottom"] = True
+    plt.rcParams["axes.spines.top"] = False
+    plt.rcParams["axes.spines.right"] = False
+    plt.rcParams["axes.prop_cycle"] = cycler(
+        'color', [
+            '#b4befe',
+            '#89b4fa',
+            '#74c7ec',
+            '#89dceb',
+            '#94e2d5',
+            '#a6e3a1',
+            '#f9e2af',
+            '#fab387',
+            '#eba0ac',
+            '#f38ba8',
+            '#cba6f7',
+            '#f5c2e7',
+        ])
+    plt.rcParams["xtick.color"] = gray  # color of the ticks
+    plt.rcParams["ytick.color"] = gray  # color of the ticks
+    plt.rcParams["grid.color"] = dark_gray  # grid color
+    plt.rcParams["figure.facecolor"] = black    # figure face color
+    plt.rcParams["figure.edgecolor"] = "#555169"   # figure edge color
+    plt.rcParams["savefig.facecolor"] = black  # figure face color when saving
+
+    return style
+
+
+if __name__ == "__main__":
+
+    s = PlotStyle()
+
+    import matplotlib.pyplot as plt
+    import matplotlib.cm as cm
+    import matplotlib.pyplot as plt
+    import matplotlib.cbook as cbook
+    from matplotlib.path import Path
+    from matplotlib.patches import PathPatch
+
+    # Fixing random state for reproducibility
+    np.random.seed(19680801)
+
+    delta = 0.025
+    x = y = np.arange(-3.0, 3.0, delta)
+    X, Y = np.meshgrid(x, y)
+    Z1 = np.exp(-X**2 - Y**2)
+    Z2 = np.exp(-(X - 1)**2 - (Y - 1)**2)
+    Z = (Z1 - Z2) * 2
+
+    fig1, ax = plt.subplots()
+    im = ax.imshow(Z, interpolation='bilinear', cmap=cm.RdYlGn,
+                   origin='lower', extent=[-3, 3, -3, 3],
+                   vmax=abs(Z).max(), vmin=-abs(Z).max())
+
+    plt.show()
+
+    fig, axs = plt.subplots(nrows=1, ncols=2, figsize=(9, 4))
+
+    # Fixing random state for reproducibility
+    np.random.seed(19680801)
+
+    # generate some random test data
+    all_data = [np.random.normal(0, std, 100) for std in range(6, 10)]
+
+    # plot violin plot
+    axs[0].violinplot(all_data,
+                      showmeans=False,
+                      showmedians=True)
+    axs[0].set_title('Violin plot')
+
+    # plot box plot
+    axs[1].boxplot(all_data)
+    axs[1].set_title('Box plot')
+
+    # adding horizontal grid lines
+    for ax in axs:
+        ax.yaxis.grid(True)
+        ax.set_xticks([y + 1 for y in range(len(all_data))],
+                      labels=['x1', 'x2', 'x3', 'x4'])
+        ax.set_xlabel('Four separate samples')
+        ax.set_ylabel('Observed values')
+
+    plt.show()
+
+    # Fixing random state for reproducibility
+    np.random.seed(19680801)
+
+    # Compute pie slices
+    N = 20
+    theta = np.linspace(0.0, 2 * np.pi, N, endpoint=False)
+    radii = 10 * np.random.rand(N)
+    width = np.pi / 4 * np.random.rand(N)
+    colors = cmo.cm.haline(radii / 10.)
+
+    ax = plt.subplot(projection='polar')
+    ax.bar(theta, radii, width=width, bottom=0.0, color=colors, alpha=0.5)
+
+    plt.show()
+
+    methods = [None, 'none', 'nearest', 'bilinear', 'bicubic', 'spline16',
+               'spline36', 'hanning', 'hamming', 'hermite', 'kaiser', 'quadric',
+               'catrom', 'gaussian', 'bessel', 'mitchell', 'sinc', 'lanczos']
+
+    # Fixing random state for reproducibility
+    np.random.seed(19680801)
+
+    grid = np.random.rand(4, 4)
+
+    fig, axs = plt.subplots(nrows=3, ncols=6, figsize=(9, 6),
+                            subplot_kw={'xticks': [], 'yticks': []})
+
+    for ax, interp_method in zip(axs.flat, methods):
+        ax.imshow(grid, interpolation=interp_method)
+        ax.set_title(str(interp_method))
+
+    plt.tight_layout()
+    plt.show()

poster/main.tex

@@ -0,0 +1,83 @@
+\documentclass[25pt, a0paper, landscape, margin=0mm, innermargin=20mm,
+blockverticalspace=2mm, colspace=20mm, subcolspace=0mm]{tikzposter} %Default values for poster format options.
+
+\input{packages}
+\input{style}
+
+\begin{document}
+
+\renewcommand{\baselinestretch}{1}
+\title{\parbox{1900pt}{A dark template to make colorful figures pop}}
+\author{Sina Prause, Alexander Wendt, Patrick Weygoldt}
+\institute{Supervised by Till Raab \& Jan Benda}
+\usetitlestyle[]{sampletitle}
+\maketitle
+\renewcommand{\baselinestretch}{1.4}
+
+\begin{columns}
+\column{0.3}
+\myblock[TranspBlock]{Introduction}{
+    \lipsum[1][1-5]
+    \begin{tikzfigure}[]
+        \label{griddrawing}
+        \includegraphics[width=\linewidth]{example-image-a}
+    \end{tikzfigure}
+}
+
+\myblock[TranspBlock]{Methods}{
+    \begin{tikzfigure}[]
+        \label{detector}
+        \includegraphics[width=\linewidth]{example-image-b}
+    \end{tikzfigure}
+}
+
+\column{0.4}
+\myblock[TranspBlock]{Results}{
+    \lipsum[3][1-5]
+    \begin{tikzfigure}[]
+        \label{modulations}
+        \includegraphics[width=\linewidth]{example-image-c}
+    \end{tikzfigure}
+}
+
+\myblock[TranspBlock]{More Stuff}{
+    \lipsum[3][1-9]
+}
+
+\column{0.3}
+\myblock[TranspBlock]{More Results}{
+    \begin{tikzfigure}[]
+        \label{results}
+        \includegraphics[width=\linewidth]{example-image-a}
+    \end{tikzfigure}
+
+    \begin{multicols}{2}
+    \lipsum[5][1-8]
+    \end{multicols}
+    \vspace{-1cm}
+}
+
+\myblock[TranspBlock]{Conclusion}{
+    \begin{itemize}
+        \setlength\itemsep{0.5em}
+        \item \lipsum[1][1]
+        \item \lipsum[1][1]
+        \item \lipsum[1][1]
+    \end{itemize}
+    \vspace{0.2cm}
+    }
+\end{columns}
+
+\node[
+    above right,
+    text=white,
+    outer sep=45pt,
+    minimum width=\paperwidth,
+    align=center,
+    draw,
+    fill=boxes,
+    color=boxes,
+] at (-0.51\paperwidth,-43.5) {
+    \textcolor{text}{\normalsize Contact: name.surname@student.uni-tuebingen.de}};
+
+\end{document}

poster/packages.tex

@@ -0,0 +1,11 @@
+\usepackage[utf8]{inputenc}
+\usepackage[scaled]{helvet}
+\renewcommand\familydefault{\sfdefault}
+\usepackage[T1]{fontenc}
+\usepackage{wrapfig}
+\usepackage{setspace}
+\usepackage{multicol}
+\setlength{\columnsep}{1.5cm}
+\usepackage{xspace}
+\usepackage{tikz}
+\usepackage{lipsum}

poster/style.tex

@@ -0,0 +1,119 @@
+\tikzposterlatexaffectionproofoff
+\usetheme{Default}
+
+\definecolor{text}{HTML}{e0e4f7}
+\definecolor{background}{HTML}{111116}
+\definecolor{boxes}{HTML}{2a2a32}
+\definecolor{unired}{HTML}{a51e37}
+
+\colorlet{blocktitlefgcolor}{text}
+\colorlet{backgroundcolor}{background}
+\colorlet{blocktitlebgcolor}{background}
+\colorlet{blockbodyfgcolor}{text}
+\colorlet{innerblocktitlebgcolor}{background}
+\colorlet{innerblocktitlefgcolor}{text}
+\colorlet{notefrcolor}{text}
+\colorlet{notefgcolor}{background}
+\colorlet{notebgcolor}{background}
+
+% Title setup
+\settitle{
+% Rearrange the order of the minipages to e.g. center the title between the logos
+\begin{minipage}[c]{0.6\paperwidth}
+%    \centering
+    \vspace{2.5cm}\hspace{1.5cm}
+    \color{text}{\Huge{\textbf{\@title}} \par}
+    \vspace*{2em}\hspace{1.5cm}
+    \color{text}{\LARGE \@author \par}
+    \vspace*{2em}\hspace{1.5cm}
+    \color{text}{\Large \@institute}
+    \vspace{2.5cm}
+\end{minipage}
+\begin{minipage}[c]{0.2\paperwidth}
+%    \centering
+    \vspace{1cm}\hspace{1cm}
+    \includegraphics[scale=1]{example-image-a}
+\end{minipage}
+\begin{minipage}[c]{0.2\paperwidth}
+%    \vspace{1cm}\hspace{1cm}
+    \centering
+    \includegraphics[scale=1]{example-image-a}
+\end{minipage}}
+
+% definie title style with background box
+\definetitlestyle{sampletitle}{
+    width=1189mm,
+    roundedcorners=0,
+    linewidth=0pt,
+    innersep=15pt,
+    titletotopverticalspace=0mm,
+    titletoblockverticalspace=5pt
+}{
+    \begin{scope}[line width=\titlelinewidth, rounded corners=\titleroundedcorners]
+    \draw[fill=text, color=boxes]
+    (\titleposleft,\titleposbottom)
+    rectangle
+    (\titleposright,\titlepostop);
+    \end{scope}
+}
+
+% define coustom block style for visible blocks
+\defineblockstyle{GrayBlock}{
+    titlewidthscale=1,
+    bodywidthscale=1,
+    % titlecenter,
+    titleleft,
+    titleoffsetx=0pt,
+    titleoffsety=-30pt,
+    bodyoffsetx=0pt,
+    bodyoffsety=-40pt,
+    bodyverticalshift=0mm,
+    roundedcorners=25,
+    linewidth=1pt,
+    titleinnersep=20pt,
+    bodyinnersep=38pt
+}{
+    \draw[rounded corners=\blockroundedcorners, inner sep=\blockbodyinnersep,
+          line width=\blocklinewidth, color=background,
+          top color=boxes, bottom color=boxes,
+          ]
+      (blockbody.south west) rectangle (blockbody.north east); %
+    \ifBlockHasTitle%
+        \draw[rounded corners=\blockroundedcorners, inner sep=\blocktitleinnersep,
+          top color=background, bottom color=background,
+          line width=2, color=background, %fill=blocktitlebgcolor
+          ]
+      (blocktitle.south west) rectangle (blocktitle.north east); %
+    \fi%
+}
+\newcommand\myblock[3][GrayBlock]{\useblockstyle{#1}\block{#2}{#3}\useblockstyle{Default}}
+
+% Define blockstyle for tranparent block
+\defineblockstyle{TranspBlock}{
+    titlewidthscale=0.99,
+    bodywidthscale=0.99,
+    titleleft,
+    titleoffsetx=15pt,
+    titleoffsety=-40pt,
+    bodyoffsetx=0pt,
+    bodyoffsety=-40pt,
+    bodyverticalshift=0mm,
+    roundedcorners=25,
+    linewidth=1pt,
+    titleinnersep=20pt,
+    bodyinnersep=38pt
+}{
+    \draw[rounded corners=\blockroundedcorners, inner sep=\blockbodyinnersep,
+          line width=\blocklinewidth, color=background,
+          top color=background, bottom color=background,
+          ]
+      (blockbody.south west) rectangle (blockbody.north east); %
+    \ifBlockHasTitle%
+        \draw[rounded corners=\blockroundedcorners, inner sep=\blocktitleinnersep,
+          top color=background, bottom color=background,
+          line width=2, color=background, %fill=blocktitlebgcolor
+          ]
+      (blocktitle.south west) rectangle (blocktitle.north east); %
+    \fi%
+}
+\renewcommand\myblock[3][TranspBlock]{\useblockstyle{#1}\block{#2}{#3}\useblockstyle{Default}}