def make_widget(self, debug=False):
width = self.width
self.info = widgets.HTML("<div>Ranker of rankings explorer.</div>")
self.n_k_slider = n_k_slider(self.set_n_k,
n=self.n,
k=self.k,
max_n=self.max_n)
stat_abbrevs = sorted(st.ABBREVIATION_TO_STATISTIC.keys())
self.primary_dropdown = widgets.Dropdown(
options=stat_abbrevs,
value=self.primary_stat.abbreviation,
description='primary stat')
self.secondary_dropdown = widgets.Dropdown(
options=stat_abbrevs,
value=self.secondary_stat.abbreviation,
description='secondary stat')
self.reset_button = widgets.Button(description="reset stats")
self.reset_button.on_click(self.reset_stats)
self.stats_box = widgets.HBox([
self.primary_dropdown,
self.secondary_dropdown,
self.reset_button,
self.check_change_array,
])
hwidth = width * 0.5
self.scatter = dual_canvas.DualCanvasWidget(width=hwidth,
height=hwidth)
self.curves = dual_canvas.DualCanvasWidget(width=hwidth, height=hwidth)
if debug:
self.plots_box = widgets.HBox([
self.scatter.debugging_display(),
self.curves.debugging_display(),
])
else:
self.plots_box = widgets.HBox([
self.scatter,
self.curves,
])
self.rebuild()
if debug:
self.assembly = widgets.VBox([
self.info,
self.n_k_slider,
self.stats_box,
self.rank_of_rankings.debugging_display(),
self.plots_box,
self.selected_rank.debugging_display(),
])
else:
self.assembly = widgets.VBox([
self.info,
self.n_k_slider,
self.stats_box,
self.rank_of_rankings,
self.plots_box,
self.selected_rank,
])
return self.assembly
def get_usual_screen(width=WIDTH, height=HEIGHT):
global USUAL_SCREEN
if USUAL_SCREEN is not None:
return USUAL_SCREEN
screen = dual_canvas.DualCanvasWidget(width=width, height=height)
# use a counter to distinguish turtles
screen.turtle_count = 0
# store info about turtles in the javascript element container
screen.js_init("""
element.turtle_info = { };
element.get_turtle_info = function(id) {
return element.turtle_info[id];
};
""")
if not debugging:
display(screen)
screen.in_dialog()
screen.element.dialog(dict(width=width + 100, height=height + 100))
else:
display(screen.debugging_display())
screen.rect(0, 0, WIDTH, HEIGHT, "#eea", name='Screen')
screen.fit()
USUAL_SCREEN = screen
return screen
def execute_widget(self, widget):
from jp_doodle import dual_canvas
from IPython.display import display
if widget is None:
widget = dual_canvas.DualCanvasWidget(width=self.width,
height=self.height)
display(widget)
self.exec_code(widget)
def __init__(self, color="blue", slots=10, width=200, height=None):
if height is None:
height = width
self.slots = slots
self.color = color
self.width = width
self.height = height
self.widget = dual_canvas.DualCanvasWidget(width=width, height=height)
def embed_widget(self, embed=True):
from jp_doodle import auto_capture, dual_canvas
self.widget = dual_canvas.DualCanvasWidget(width=self.width,
height=self.height)
if embed and self.embeddable:
with auto_capture.SaveAndEmbed(self.widget, self.image_filename,
self.prefix, self.hide_after):
self.execute_widget(self.widget)
else:
self.execute_widget(self.widget)
def swatch3d(
pixels=500,
model_height=2.0,
cx=0,
cy=0,
auto_show=True,
):
pixel_height = pixels
dc_config = {
"width": pixel_height,
"height": pixel_height,
}
canvas = dual_canvas.DualCanvasWidget(width=pixel_height,
height=pixel_height,
config=dc_config)
radius = model_height * 0.5
frame = canvas.frame_region(0, 0, pixel_height, pixel_height, cx - radius,
cy - radius, cx + radius, cy + radius)
result = ND_Frame(canvas, frame)
if auto_show:
result.show()
return result
def show_array(
array,
width=None,
height=None,
#axes=True, # axes have problems...
background=None,
scale=True,
shift_min=True,
margin=50,
textcolor="red",
textbackground="yellow",
font="normal 15px Courier",
hover_text_callback=default_hover_callback,
hover_color="rgba(200,100,50,0.5)",
epsilon=1e-10,
widget=None):
"""
Display the array as an image with the specified width and height.
"""
# xxxx refactor this eventually to a more conventional structure.
array = np.array(array)
source_array = array
if scale:
M = array.max()
m = array.min()
if m > 0 and not shift_min:
m = 0.0
diff = M - m
grey_max = 255
if diff < epsilon:
diff = 1.0
array = (array - m) * (grey_max / diff)
(iheight, iwidth) = array.shape[:2]
if width is None:
width = iwidth
if height is None:
height = iheight
if widget is None:
widget = dual_canvas.DualCanvasWidget(width=width + 2 * margin,
height=height + 2 * margin)
widget.reset_canvas()
if background:
widget.rect(0,
0,
w=width + 2 * margin,
h=height + 2 * margin,
color=background)
name = "array image"
widget.current_array = None
def set_image(array):
if widget.current_array is not None:
assert widget.current_array.shape[:
2] == array.shape[:
2], "Shape change not supported"
widget.current_array = array
if scale:
M = array.max()
m = array.min()
if m > 0 and not shift_min:
m = 0.0
diff = M - m
grey_max = 255
if diff < epsilon:
diff = 1.0
array = (array - m) * (grey_max / diff)
widget.name_image_array(name, array)
widget.request_redraw()
widget.set_image = set_image
widget.set_image(array)
frame = widget.frame_region(minx=margin,
miny=margin,
maxx=width + margin,
maxy=height + margin,
frame_minx=0,
frame_miny=iheight,
frame_maxx=iwidth,
frame_maxy=0)
full = frame.named_image("array image",
0,
iheight,
width,
height,
name=True)
widget.text(width + margin,
height + margin + 5,
str(iwidth),
align="right",
color=textcolor,
font=font,
background=textbackground)
widget.text(margin - 5,
margin,
str(iheight),
degrees=90,
color=textcolor,
font=font,
background=textbackground)
if hover_text_callback:
hover_info = widget.text(margin,
height + margin + 5,
str(array.shape),
color=textcolor,
font=font,
background=textbackground,
name=True)
widget.hover_info = hover_info
upline = frame.frame_rect(x=0,
y=0,
w=1,
h=0,
color=hover_color,
name=True,
events=False)
downline = frame.frame_rect(x=0,
y=0,
w=1,
h=0,
color=hover_color,
name=True,
events=False)
leftline = frame.frame_rect(x=0,
y=0,
w=0,
h=1,
color=hover_color,
name=True,
events=False)
rightline = frame.frame_rect(x=0,
y=0,
w=0,
h=1,
color=hover_color,
name=True,
events=False)
def on_hover(event):
position = event['model_location']
x = int(position["x"])
y = int(position["y"])
upline.change(x=x, h=y)
downline.change(x=x, y=y + 1, h=iheight - y - 1)
leftline.change(y=y, w=x)
rightline.change(y=y, x=x + 1, w=iwidth - x - 1)
try:
cb_text = hover_text_callback(x, y, widget.current_array)
except Exception as e:
e_text = repr(e)
hover_info.change(text=e_text)
raise
else:
hover_info.change(text=cb_text)
full.on("mousemove", on_hover)
def on_out(event):
upline.change(h=0)
downline.change(h=0)
leftline.change(w=0)
rightline.change(w=0)
full.on("mouseout", on_out)
widget.image_display = full
return widget
def showVolume(array, width, height, draw_delay=0.01, di=1, dj=1, dk=1):
c = dual_canvas.DualCanvasWidget(width, height)
S = VolumeImageViewer(array, c, draw_delay=draw_delay, di=di, dj=dj, dk=dk)
c.fit()
return c
