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layer_widget.py
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layer_widget.py
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# Copyright (c) 2021, NVIDIA CORPORATION & AFFILIATES. All rights reserved.
#
# NVIDIA CORPORATION and its licensors retain all intellectual property
# and proprietary rights in and to this software, related documentation
# and any modifications thereto. Any use, reproduction, disclosure or
# distribution of this software and related documentation without an express
# license agreement from NVIDIA CORPORATION is strictly prohibited.
import imgui
from gui_utils import imgui_utils
#----------------------------------------------------------------------------
class LayerWidget:
def __init__(self, viz):
self.viz = viz
self.prev_layers = None
self.cur_layer = None
self.sel_channels = 3
self.base_channel = 0
self.img_scale_db = 0
self.img_normalize = False
self.fft_show = False
self.fft_all = True
self.fft_range_db = 50
self.fft_beta = 8
self.refocus = False
@imgui_utils.scoped_by_object_id
def __call__(self, show=True):
viz = self.viz
layers = viz.result.get('layers', [])
if self.prev_layers != layers:
self.prev_layers = layers
self.refocus = True
layer = ([layer for layer in layers if layer.name == self.cur_layer] + [None])[0]
if layer is None and len(layers) > 0:
layer = layers[-1]
self.cur_layer = layer.name
num_channels = layer.shape[1] if layer is not None else 0
base_channel_max = max(num_channels - self.sel_channels, 0)
if show:
bg_color = [0.16, 0.29, 0.48, 0.2]
dim_color = list(imgui.get_style().colors[imgui.COLOR_TEXT])
dim_color[-1] *= 0.5
# Begin list.
width = viz.font_size * 28
height = imgui.get_text_line_height_with_spacing() * 12 + viz.spacing
imgui.push_style_var(imgui.STYLE_FRAME_PADDING, [0, 0])
imgui.push_style_color(imgui.COLOR_CHILD_BACKGROUND, *bg_color)
imgui.push_style_color(imgui.COLOR_HEADER, 0, 0, 0, 0)
imgui.push_style_color(imgui.COLOR_HEADER_HOVERED, 0.16, 0.29, 0.48, 0.5)
imgui.push_style_color(imgui.COLOR_HEADER_ACTIVE, 0.16, 0.29, 0.48, 0.9)
imgui.begin_child('##list', width=width, height=height, border=True, flags=imgui.WINDOW_ALWAYS_VERTICAL_SCROLLBAR)
# List items.
for layer in layers:
selected = (self.cur_layer == layer.name)
_opened, selected = imgui.selectable(f'##{layer.name}_selectable', selected)
imgui.same_line(viz.spacing)
_clicked, selected = imgui.checkbox(f'{layer.name}##radio', selected)
if selected:
self.cur_layer = layer.name
if self.refocus:
imgui.set_scroll_here()
viz.skip_frame() # Focus will change on next frame.
self.refocus = False
imgui.same_line(width - viz.font_size * 13)
imgui.text_colored('x'.join(str(x) for x in layer.shape[2:]), *dim_color)
imgui.same_line(width - viz.font_size * 8)
imgui.text_colored(str(layer.shape[1]), *dim_color)
imgui.same_line(width - viz.font_size * 5)
imgui.text_colored(layer.dtype, *dim_color)
# End list.
if len(layers) == 0:
imgui.text_colored('No layers found', *dim_color)
imgui.end_child()
imgui.pop_style_color(4)
imgui.pop_style_var(1)
# Begin options.
imgui.same_line()
imgui.begin_child('##options', width=-1, height=height, border=False)
# RGB & normalize.
rgb = (self.sel_channels == 3)
_clicked, rgb = imgui.checkbox('RGB', rgb)
self.sel_channels = 3 if rgb else 1
imgui.same_line(viz.font_size * 4)
_clicked, self.img_normalize = imgui.checkbox('Normalize', self.img_normalize)
imgui.same_line(imgui.get_content_region_max()[0] - 1 - viz.button_w)
if imgui_utils.button('Reset##img_flags', width=-1, enabled=(self.sel_channels != 3 or self.img_normalize)):
self.sel_channels = 3
self.img_normalize = False
# Image scale.
with imgui_utils.item_width(-1 - viz.button_w - viz.spacing):
_changed, self.img_scale_db = imgui.slider_float('##scale', self.img_scale_db, min_value=-40, max_value=40, format='Scale %+.1f dB')
imgui.same_line()
if imgui_utils.button('Reset##scale', width=-1, enabled=(self.img_scale_db != 0)):
self.img_scale_db = 0
# Base channel.
self.base_channel = min(max(self.base_channel, 0), base_channel_max)
narrow_w = imgui.get_text_line_height_with_spacing()
with imgui_utils.grayed_out(base_channel_max == 0):
with imgui_utils.item_width(-1 - viz.button_w - narrow_w * 2 - viz.spacing * 3):
_changed, self.base_channel = imgui.drag_int('##channel', self.base_channel, change_speed=0.05, min_value=0, max_value=base_channel_max, format=f'Channel %d/{num_channels}')
imgui.same_line()
if imgui_utils.button('-##channel', width=narrow_w):
self.base_channel -= 1
imgui.same_line()
if imgui_utils.button('+##channel', width=narrow_w):
self.base_channel += 1
imgui.same_line()
self.base_channel = min(max(self.base_channel, 0), base_channel_max)
if imgui_utils.button('Reset##channel', width=-1, enabled=(self.base_channel != 0 and base_channel_max > 0)):
self.base_channel = 0
# Stats.
stats = viz.result.get('stats', None)
stats = [f'{stats[idx]:g}' if stats is not None else 'N/A' for idx in range(6)]
rows = [
['Statistic', 'All channels', 'Selected'],
['Mean', stats[0], stats[1]],
['Std', stats[2], stats[3]],
['Max', stats[4], stats[5]],
]
height = imgui.get_text_line_height_with_spacing() * len(rows) + viz.spacing
imgui.push_style_color(imgui.COLOR_CHILD_BACKGROUND, *bg_color)
imgui.begin_child('##stats', width=-1, height=height, border=True)
for y, cols in enumerate(rows):
for x, col in enumerate(cols):
if x != 0:
imgui.same_line(viz.font_size * (4 + (x - 1) * 6))
if x == 0 or y == 0:
imgui.text_colored(col, *dim_color)
else:
imgui.text(col)
imgui.end_child()
imgui.pop_style_color(1)
# FFT & all.
_clicked, self.fft_show = imgui.checkbox('FFT', self.fft_show)
imgui.same_line(viz.font_size * 4)
with imgui_utils.grayed_out(not self.fft_show or base_channel_max == 0):
_clicked, self.fft_all = imgui.checkbox('All channels', self.fft_all)
imgui.same_line(imgui.get_content_region_max()[0] - 1 - viz.button_w)
with imgui_utils.grayed_out(not self.fft_show):
if imgui_utils.button('Reset##fft_flags', width=-1, enabled=(self.fft_show or not self.fft_all)):
self.fft_show = False
self.fft_all = True
# FFT range.
with imgui_utils.grayed_out(not self.fft_show):
with imgui_utils.item_width(-1 - viz.button_w - viz.spacing):
_changed, self.fft_range_db = imgui.slider_float('##fft_range_db', self.fft_range_db, min_value=0.1, max_value=100, format='Range +-%.1f dB')
imgui.same_line()
if imgui_utils.button('Reset##fft_range_db', width=-1, enabled=(self.fft_range_db != 50)):
self.fft_range_db = 50
# FFT beta.
with imgui_utils.grayed_out(not self.fft_show):
with imgui_utils.item_width(-1 - viz.button_w - viz.spacing):
_changed, self.fft_beta = imgui.slider_float('##fft_beta', self.fft_beta, min_value=0, max_value=50, format='Kaiser beta %.2f', power=2.63)
imgui.same_line()
if imgui_utils.button('Reset##fft_beta', width=-1, enabled=(self.fft_beta != 8)):
self.fft_beta = 8
# End options.
imgui.end_child()
self.base_channel = min(max(self.base_channel, 0), base_channel_max)
viz.args.layer_name = self.cur_layer if len(layers) > 0 and self.cur_layer != layers[-1].name else None
viz.args.update(sel_channels=self.sel_channels, base_channel=self.base_channel, img_scale_db=self.img_scale_db, img_normalize=self.img_normalize)
viz.args.fft_show = self.fft_show
if self.fft_show:
viz.args.update(fft_all=self.fft_all, fft_range_db=self.fft_range_db, fft_beta=self.fft_beta)
#----------------------------------------------------------------------------