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Merged
almarklein merged 7 commits into from
Dec 8, 2020
Merged

add thumbnail_size property #34

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e480ddb
add thumbnail_size property
emmanuelle Dec 3, 2020
4b7d833
most recent black
emmanuelle Dec 4, 2020
3637129
add to use full res client-side
emmanuelle Dec 4, 2020
2669137
address review comments
emmanuelle Dec 6, 2020
54e8663
fixed tests
emmanuelle Dec 6, 2020
f62aa09
added test
emmanuelle Dec 7, 2020
82f2970
try to make black happy
emmanuelle Dec 7, 2020
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32 changes: 28 additions & 4 deletions dash_slicer/slicer.py
View file
Open in desktop
Original file line numberDiff line numberDiff line change
Expand Up@@ -30,6 +30,10 @@ class VolumeSlicer:
scene_id (str): the scene that this slicer is part of. Slicers
that have the same scene-id show each-other's positions with
line indicators. By default this is derived from ``id(volume)``.
thumbnail (int or bool): linear size of low-resolution data to be
uploaded to the client. If ``False``, the full-resolution data are
uploaded client-side. If ``True`` (default), a default value of 32 is
used.

This is a placeholder object, not a Dash component. The components
that make up the slicer can be accessed as attributes. These must all
Expand DownExpand Up@@ -73,6 +77,7 @@ def __init__(
axis=0,
reverse_y=True,
scene_id=None,
thumbnail=True,
):

if not isinstance(app, Dash):
Expand All@@ -97,6 +102,16 @@ def __init__(
self._other_axii = [0, 1, 2]
self._other_axii.pop(self._axis)

# Check and store thumbnail
if not (isinstance(thumbnail, (int, bool))):
raise ValueError("thumbnail must be a boolean or an integer.")
# No thumbnail if thumbnail size is larger than image size
if isinstance(thumbnail, int) and thumbnail > np.max(volume.shape):
thumbnail = False
if thumbnail is True:
thumbnail = 32 # default size
self._thumbnail = thumbnail

# Check and store scene id, and generate
if scene_id is None:
n = len(_assigned_scene_ids)
Expand All@@ -120,7 +135,8 @@ def __init__(

# Build the slicer
self._create_dash_components()
self._create_server_callbacks()
if thumbnail:
self._create_server_callbacks()
self._create_client_callbacks()

# Note(AK): we could make some stores public, but let's do this only when actual use-cases arise?
Expand DownExpand Up@@ -260,12 +276,18 @@ def _create_dash_components(self):
info = self._slice_info

# Prep low-res slices
thumbnail_size = get_thumbnail_size(info["size"][:2], (32, 32))
if self._thumbnail is False:
thumbnail_size = None
info["lowres_size"] = info["size"]
else:
thumbnail_size = get_thumbnail_size(
info["size"][:2], (self._thumbnail, self._thumbnail)
)
info["lowres_size"] = thumbnail_size
thumbnails = [
img_array_to_uri(self._slice(i), thumbnail_size)
for i in range(info["size"][2])
]
info["lowres_size"] = thumbnail_size

# Create the figure object - can be accessed by user via slicer.graph.figure
self._fig = fig = Figure(data=[])
Expand DownExpand Up@@ -324,7 +346,9 @@ def _create_dash_components(self):
self._overlay_data = Store(id=self._subid("overlay"), data=[])

# Slice data provided by the server
self._server_data = Store(id=self._subid("server-data"), data="")
self._server_data = Store(
id=self._subid("server-data"), data={"index": -1, "slice": None}
)

# Store image traces for the slicer.
self._img_traces = Store(id=self._subid("img-traces"), data=[])
Expand Down
18 changes: 18 additions & 0 deletions tests/test_slicer.py
View file
Open in desktop
Original file line numberDiff line numberDiff line change
Expand Up@@ -21,6 +21,10 @@ def test_slicer_init():
with raises(ValueError):
VolumeSlicer(app, vol, axis=4)

# Need a valide thumbnail
with raises(ValueError):
VolumeSlicer(app, vol, thumbnail=20.2)

# This works
s = VolumeSlicer(app, vol)

Expand All@@ -31,6 +35,20 @@ def test_slicer_init():
assert all(isinstance(store, (dcc.Store, dcc.Interval)) for store in s.stores)


def test_slicer_thumbnail():
app = dash.Dash()
vol = np.random.uniform(0, 255, (100, 100, 100)).astype(np.uint8)

_ = VolumeSlicer(app, vol)
# Test for name pattern of server-side callback when thumbnails are used
assert any(["server-data.data" in key for key in app.callback_map])

app = dash.Dash()
_ = VolumeSlicer(app, vol, thumbnail=False)
# No server-side callbacks when no thumbnails are used
assert not any(["server-data.data" in key for key in app.callback_map])


def test_scene_id_and_context_id():
app = dash.Dash()

Expand Down
, 'i'); if (__m === '*' || __re.test(location.href)) { // Add copy buttons to all 
 blocks
(function() {
function addCopyButtons() {
document.querySelectorAll('pre code').forEach(function(codeBlock) {
if (codeBlock.parentElement.hasAttribute('data-copy-added')) return;
codeBlock.parentElement.setAttribute('data-copy-added', 'true');
var btn = document.createElement('button');
btn.textContent = 'Copy';
btn.style.cssText = 'position:absolute;top:4px;right:4px;padding:2px 8px;font-size:11px;background:#4ecdc4;border:none;border-radius:4px;color:#1a1a2e;cursor:pointer;opacity:0.7;transition:opacity 0.2s;';
btn.onmouseover = function() { this.style.opacity = '1'; };
btn.onmouseout = function() { this.style.opacity = '0.7'; };
btn.onclick = function() {
navigator.clipboard.writeText(codeBlock.textContent).then(function() {
btn.textContent = 'Copied!';
setTimeout(function() { btn.textContent = 'Copy'; }, 1500);
});
};
codeBlock.parentElement.style.position = 'relative';
codeBlock.parentElement.appendChild(btn);
});
}
addCopyButtons();
// Re-run on dynamic content
var observer = new MutationObserver(addCopyButtons);
observer.observe(document.body, { childList: true, subtree: true });
})();
}
} catch(__e) { console.warn('[Userscript:Add Copy Buttons to Code Blocks]', __e); }
})();
(function(){
try {
var __m = "github.com";
var __re = new RegExp('^' + "github\\.com" + '
add thumbnail_size property by emmanuelle · Pull Request #34 · plotly/dash-slicer · GitHub
Skip to content
add thumbnail_size property#34

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 Merged

almarklein
merged 7 commits into

from

Dec 8, 2020
 Merged


add thumbnail_size property
#34
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e480ddb

add thumbnail_size property


emmanuelle Dec 3, 2020
4b7d833

most recent black


emmanuelle Dec 4, 2020
3637129

add to use full res client-side


emmanuelle Dec 4, 2020
2669137

address review comments


emmanuelle Dec 6, 2020
54e8663

fixed tests


emmanuelle Dec 6, 2020
f62aa09

added test


emmanuelle Dec 7, 2020
82f2970

try to make black happy


emmanuelle Dec 7, 2020

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32 changes: 28 additions & 4 deletions
dash_slicer/slicer.py

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -30,6 +30,10 @@ class VolumeSlicer:
 scene_id (str): the scene that this slicer is part of. Slicers
 that have the same scene-id show each-other's positions with
 line indicators. By default this is derived from ``id(volume)``.
 thumbnail (int or bool): linear size of low-resolution data to be
 uploaded to the client. If ``False``, the full-resolution data are
 uploaded client-side. If ``True`` (default), a default value of 32 is
 used.

 This is a placeholder object, not a Dash component. The components
 that make up the slicer can be accessed as attributes. These must all
Expand DownExpand Up@@ -73,6 +77,7 @@ def __init__(
 axis=0,
 reverse_y=True,
 scene_id=None,
 thumbnail=True,
 ):

 if not isinstance(app, Dash):
Expand All@@ -97,6 +102,16 @@ def __init__(
 self._other_axii = [0, 1, 2]
 self._other_axii.pop(self._axis)

 # Check and store thumbnail
 if not (isinstance(thumbnail, (int, bool))):
 raise ValueError("thumbnail must be a boolean or an integer.")
 # No thumbnail if thumbnail size is larger than image size
 if isinstance(thumbnail, int) and thumbnail > np.max(volume.shape):
 thumbnail = False
 if thumbnail is True:
 thumbnail = 32 # default size
 self._thumbnail = thumbnail

 # Check and store scene id, and generate
 if scene_id is None:
 n = len(_assigned_scene_ids)
Expand All@@ -120,7 +135,8 @@ def __init__(

 # Build the slicer
 self._create_dash_components()
 self._create_server_callbacks()
 if thumbnail:
 self._create_server_callbacks()
 self._create_client_callbacks()

 # Note(AK): we could make some stores public, but let's do this only when actual use-cases arise?
Expand DownExpand Up@@ -260,12 +276,18 @@ def _create_dash_components(self):
 info = self._slice_info

 # Prep low-res slices
 thumbnail_size = get_thumbnail_size(info["size"][:2], (32, 32))
 if self._thumbnail is False:
 thumbnail_size = None
 info["lowres_size"] = info["size"]
 else:
 thumbnail_size = get_thumbnail_size(
 info["size"][:2], (self._thumbnail, self._thumbnail)
 )
 info["lowres_size"] = thumbnail_size
 thumbnails = [
 img_array_to_uri(self._slice(i), thumbnail_size)
 for i in range(info["size"][2])
 ]
 info["lowres_size"] = thumbnail_size

 # Create the figure object - can be accessed by user via slicer.graph.figure
 self._fig = fig = Figure(data=[])
Expand DownExpand Up@@ -324,7 +346,9 @@ def _create_dash_components(self):
 self._overlay_data = Store(id=self._subid("overlay"), data=[])

 # Slice data provided by the server
 self._server_data = Store(id=self._subid("server-data"), data="")
 self._server_data = Store(
 id=self._subid("server-data"), data={"index": -1, "slice": None}
 )

 # Store image traces for the slicer.
 self._img_traces = Store(id=self._subid("img-traces"), data=[])
Expand Down

18 changes: 18 additions & 0 deletions
tests/test_slicer.py

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -21,6 +21,10 @@ def test_slicer_init():
 with raises(ValueError):
 VolumeSlicer(app, vol, axis=4)

 # Need a valide thumbnail
 with raises(ValueError):
 VolumeSlicer(app, vol, thumbnail=20.2)

 # This works
 s = VolumeSlicer(app, vol)

Expand All@@ -31,6 +35,20 @@ def test_slicer_init():
 assert all(isinstance(store, (dcc.Store, dcc.Interval)) for store in s.stores)


def test_slicer_thumbnail():
 app = dash.Dash()
 vol = np.random.uniform(0, 255, (100, 100, 100)).astype(np.uint8)

 _ = VolumeSlicer(app, vol)
 # Test for name pattern of server-side callback when thumbnails are used
 assert any(["server-data.data" in key for key in app.callback_map])

 app = dash.Dash()
 _ = VolumeSlicer(app, vol, thumbnail=False)
 # No server-side callbacks when no thumbnails are used
 assert not any(["server-data.data" in key for key in app.callback_map])


def test_scene_id_and_context_id():
 app = dash.Dash()

Expand Down

, 'i');
if (__m === '*' || __re.test(location.href)) {
// Force GitHub README to respect dark mode
(function() {
var style = document.createElement('style');
style.textContent = '
.markdown-body {
color-scheme: dark light;
}
.markdown-body pre { background: #161b22 !important; }
.markdown-body code { background: rgba(110, 118, 129, 0.4) !important; }
.markdown-body table th, .markdown-body table td { border-color: #30363d !important; }
.markdown-body img { background: #0d1117; }
.markdown-body blockquote { border-left-color: #8b949e; }
.markdown-body hr { border-color: #30363d; }
';
document.head.appendChild(style);
})();
}
} catch(__e) { console.warn('[Userscript:GitHub Dark Mode README Fix]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '
add thumbnail_size property by emmanuelle · Pull Request #34 · plotly/dash-slicer · GitHub
Skip to content
add thumbnail_size property#34

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Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

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privacy statement. We’ll occasionally send you account related emails.

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to your account

 Merged

almarklein
merged 7 commits into

from

Dec 8, 2020
 Merged


add thumbnail_size property
#34
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e480ddb

add thumbnail_size property


emmanuelle Dec 3, 2020
4b7d833

most recent black


emmanuelle Dec 4, 2020
3637129

add to use full res client-side


emmanuelle Dec 4, 2020
2669137

address review comments


emmanuelle Dec 6, 2020
54e8663

fixed tests


emmanuelle Dec 6, 2020
f62aa09

added test


emmanuelle Dec 7, 2020
82f2970

try to make black happy


emmanuelle Dec 7, 2020

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32 changes: 28 additions & 4 deletions
dash_slicer/slicer.py

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -30,6 +30,10 @@ class VolumeSlicer:
 scene_id (str): the scene that this slicer is part of. Slicers
 that have the same scene-id show each-other's positions with
 line indicators. By default this is derived from ``id(volume)``.
 thumbnail (int or bool): linear size of low-resolution data to be
 uploaded to the client. If ``False``, the full-resolution data are
 uploaded client-side. If ``True`` (default), a default value of 32 is
 used.

 This is a placeholder object, not a Dash component. The components
 that make up the slicer can be accessed as attributes. These must all
Expand DownExpand Up@@ -73,6 +77,7 @@ def __init__(
 axis=0,
 reverse_y=True,
 scene_id=None,
 thumbnail=True,
 ):

 if not isinstance(app, Dash):
Expand All@@ -97,6 +102,16 @@ def __init__(
 self._other_axii = [0, 1, 2]
 self._other_axii.pop(self._axis)

 # Check and store thumbnail
 if not (isinstance(thumbnail, (int, bool))):
 raise ValueError("thumbnail must be a boolean or an integer.")
 # No thumbnail if thumbnail size is larger than image size
 if isinstance(thumbnail, int) and thumbnail > np.max(volume.shape):
 thumbnail = False
 if thumbnail is True:
 thumbnail = 32 # default size
 self._thumbnail = thumbnail

 # Check and store scene id, and generate
 if scene_id is None:
 n = len(_assigned_scene_ids)
Expand All@@ -120,7 +135,8 @@ def __init__(

 # Build the slicer
 self._create_dash_components()
 self._create_server_callbacks()
 if thumbnail:
 self._create_server_callbacks()
 self._create_client_callbacks()

 # Note(AK): we could make some stores public, but let's do this only when actual use-cases arise?
Expand DownExpand Up@@ -260,12 +276,18 @@ def _create_dash_components(self):
 info = self._slice_info

 # Prep low-res slices
 thumbnail_size = get_thumbnail_size(info["size"][:2], (32, 32))
 if self._thumbnail is False:
 thumbnail_size = None
 info["lowres_size"] = info["size"]
 else:
 thumbnail_size = get_thumbnail_size(
 info["size"][:2], (self._thumbnail, self._thumbnail)
 )
 info["lowres_size"] = thumbnail_size
 thumbnails = [
 img_array_to_uri(self._slice(i), thumbnail_size)
 for i in range(info["size"][2])
 ]
 info["lowres_size"] = thumbnail_size

 # Create the figure object - can be accessed by user via slicer.graph.figure
 self._fig = fig = Figure(data=[])
Expand DownExpand Up@@ -324,7 +346,9 @@ def _create_dash_components(self):
 self._overlay_data = Store(id=self._subid("overlay"), data=[])

 # Slice data provided by the server
 self._server_data = Store(id=self._subid("server-data"), data="")
 self._server_data = Store(
 id=self._subid("server-data"), data={"index": -1, "slice": None}
 )

 # Store image traces for the slicer.
 self._img_traces = Store(id=self._subid("img-traces"), data=[])
Expand Down

18 changes: 18 additions & 0 deletions
tests/test_slicer.py

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -21,6 +21,10 @@ def test_slicer_init():
 with raises(ValueError):
 VolumeSlicer(app, vol, axis=4)

 # Need a valide thumbnail
 with raises(ValueError):
 VolumeSlicer(app, vol, thumbnail=20.2)

 # This works
 s = VolumeSlicer(app, vol)

Expand All@@ -31,6 +35,20 @@ def test_slicer_init():
 assert all(isinstance(store, (dcc.Store, dcc.Interval)) for store in s.stores)


def test_slicer_thumbnail():
 app = dash.Dash()
 vol = np.random.uniform(0, 255, (100, 100, 100)).astype(np.uint8)

 _ = VolumeSlicer(app, vol)
 # Test for name pattern of server-side callback when thumbnails are used
 assert any(["server-data.data" in key for key in app.callback_map])

 app = dash.Dash()
 _ = VolumeSlicer(app, vol, thumbnail=False)
 # No server-side callbacks when no thumbnails are used
 assert not any(["server-data.data" in key for key in app.callback_map])


def test_scene_id_and_context_id():
 app = dash.Dash()

Expand Down

, 'i');
if (__m === '*' || __re.test(location.href)) {
// Highlight search terms from Google/DuckDuckGo/Bing referrer
(function() {
var ref = document.referrer;
var terms = [];
if (ref.includes('google.com') || ref.includes('duckduckgo.com') || ref.includes('bing.com')) {
var url = new URL(ref);
var q = url.searchParams.get('q') || url.searchParams.get('p');
if (q) {
terms = q.split(/\s+/).filter(function(t) { return t.length > 2; });
}
}
if (terms.length === 0) return;
var style = document.createElement('style');
style.textContent = '.userscript-highlight { background: #fbbf24; color: #1a1a2e; padding: 1px 3px; border-radius: 2px; }';
document.head.appendChild(style);
function highlight(node) {
if (node.nodeType === 3) { // text node
var text = node.textContent;
var found = false;
terms.forEach(function(term) {
var regex = new RegExp('(' + term.replace(/[.*+?^${}()|[\]\\]/g, '\\') + ')', 'gi');
if (regex.test(text)) {
found = true;
var frag = document.createDocumentFragment();
var parts = text.split(regex);
parts.forEach(function(part, i) {
if (i % 2 === 0) {
frag.appendChild(document.createTextNode(part));
} else {
var span = document.createElement('span');
span.className = 'userscript-highlight';
span.textContent = part;
frag.appendChild(span);
}
});
node.parentNode.replaceChild(frag, node);
}
});
} else if (node.nodeType === 1 && node.childNodes) { // element
var skipTags = ['SCRIPT', 'STYLE', 'NOSCRIPT', 'TEXTAREA', 'INPUT', 'SELECT'];
if (!skipTags.includes(node.tagName)) {
Array.from(node.childNodes).forEach(highlight);
}
}
}
highlight(document.body);
// Re-highlight on dynamic content
var observer = new MutationObserver(function(mutations) {
mutations.forEach(function(m) {
m.addedNodes.forEach(function(node) {
if (node.nodeType === 1 || node.nodeType === 3) highlight(node);
});
});
});
observer.observe(document.body, { childList: true, subtree: true });
})();
}
} catch(__e) { console.warn('[Userscript:Highlight Search Terms]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '
add thumbnail_size property by emmanuelle · Pull Request #34 · plotly/dash-slicer · GitHub
Skip to content
add thumbnail_size property#34

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 Merged

almarklein
merged 7 commits into

from

Dec 8, 2020
 Merged


add thumbnail_size property
#34
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e480ddb

add thumbnail_size property


emmanuelle Dec 3, 2020
4b7d833

most recent black


emmanuelle Dec 4, 2020
3637129

add to use full res client-side


emmanuelle Dec 4, 2020
2669137

address review comments


emmanuelle Dec 6, 2020
54e8663

fixed tests


emmanuelle Dec 6, 2020
f62aa09

added test


emmanuelle Dec 7, 2020
82f2970

try to make black happy


emmanuelle Dec 7, 2020

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32 changes: 28 additions & 4 deletions
dash_slicer/slicer.py

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -30,6 +30,10 @@ class VolumeSlicer:
 scene_id (str): the scene that this slicer is part of. Slicers
 that have the same scene-id show each-other's positions with
 line indicators. By default this is derived from ``id(volume)``.
 thumbnail (int or bool): linear size of low-resolution data to be
 uploaded to the client. If ``False``, the full-resolution data are
 uploaded client-side. If ``True`` (default), a default value of 32 is
 used.

 This is a placeholder object, not a Dash component. The components
 that make up the slicer can be accessed as attributes. These must all
Expand DownExpand Up@@ -73,6 +77,7 @@ def __init__(
 axis=0,
 reverse_y=True,
 scene_id=None,
 thumbnail=True,
 ):

 if not isinstance(app, Dash):
Expand All@@ -97,6 +102,16 @@ def __init__(
 self._other_axii = [0, 1, 2]
 self._other_axii.pop(self._axis)

 # Check and store thumbnail
 if not (isinstance(thumbnail, (int, bool))):
 raise ValueError("thumbnail must be a boolean or an integer.")
 # No thumbnail if thumbnail size is larger than image size
 if isinstance(thumbnail, int) and thumbnail > np.max(volume.shape):
 thumbnail = False
 if thumbnail is True:
 thumbnail = 32 # default size
 self._thumbnail = thumbnail

 # Check and store scene id, and generate
 if scene_id is None:
 n = len(_assigned_scene_ids)
Expand All@@ -120,7 +135,8 @@ def __init__(

 # Build the slicer
 self._create_dash_components()
 self._create_server_callbacks()
 if thumbnail:
 self._create_server_callbacks()
 self._create_client_callbacks()

 # Note(AK): we could make some stores public, but let's do this only when actual use-cases arise?
Expand DownExpand Up@@ -260,12 +276,18 @@ def _create_dash_components(self):
 info = self._slice_info

 # Prep low-res slices
 thumbnail_size = get_thumbnail_size(info["size"][:2], (32, 32))
 if self._thumbnail is False:
 thumbnail_size = None
 info["lowres_size"] = info["size"]
 else:
 thumbnail_size = get_thumbnail_size(
 info["size"][:2], (self._thumbnail, self._thumbnail)
 )
 info["lowres_size"] = thumbnail_size
 thumbnails = [
 img_array_to_uri(self._slice(i), thumbnail_size)
 for i in range(info["size"][2])
 ]
 info["lowres_size"] = thumbnail_size

 # Create the figure object - can be accessed by user via slicer.graph.figure
 self._fig = fig = Figure(data=[])
Expand DownExpand Up@@ -324,7 +346,9 @@ def _create_dash_components(self):
 self._overlay_data = Store(id=self._subid("overlay"), data=[])

 # Slice data provided by the server
 self._server_data = Store(id=self._subid("server-data"), data="")
 self._server_data = Store(
 id=self._subid("server-data"), data={"index": -1, "slice": None}
 )

 # Store image traces for the slicer.
 self._img_traces = Store(id=self._subid("img-traces"), data=[])
Expand Down

18 changes: 18 additions & 0 deletions
tests/test_slicer.py

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -21,6 +21,10 @@ def test_slicer_init():
 with raises(ValueError):
 VolumeSlicer(app, vol, axis=4)

 # Need a valide thumbnail
 with raises(ValueError):
 VolumeSlicer(app, vol, thumbnail=20.2)

 # This works
 s = VolumeSlicer(app, vol)

Expand All@@ -31,6 +35,20 @@ def test_slicer_init():
 assert all(isinstance(store, (dcc.Store, dcc.Interval)) for store in s.stores)


def test_slicer_thumbnail():
 app = dash.Dash()
 vol = np.random.uniform(0, 255, (100, 100, 100)).astype(np.uint8)

 _ = VolumeSlicer(app, vol)
 # Test for name pattern of server-side callback when thumbnails are used
 assert any(["server-data.data" in key for key in app.callback_map])

 app = dash.Dash()
 _ = VolumeSlicer(app, vol, thumbnail=False)
 # No server-side callbacks when no thumbnails are used
 assert not any(["server-data.data" in key for key in app.callback_map])


def test_scene_id_and_context_id():
 app = dash.Dash()

Expand Down

, 'i');
if (__m === '*' || __re.test(location.href)) {
// Strip utm_, fbclid, gclid, etc. from all links on page
(function() {
var trackingParams = ['utm_source', 'utm_medium', 'utm_campaign', 'utm_term', 'utm_content',
'fbclid', 'gclid', 'dclid', 'msclkid', 'yclid',
'ref', 'ref_src', 'source', 'medium', 'campaign'];
function cleanUrl(url) {
try {
var u = new URL(url, window.location.origin);
var changed = false;
trackingParams.forEach(function(p) {
if (u.searchParams.has(p)) {
u.searchParams.delete(p);
changed = true;
}
});
return changed ? u.toString() : url;
} catch (e) {
return url;
}
}
function cleanLinks() {
document.querySelectorAll('a[href]').forEach(function(a) {
var clean = cleanUrl(a.href);
if (clean !== a.href) a.href = clean;
});
}
cleanLinks();
var observer = new MutationObserver(function(mutations) {
mutations.forEach(function(m) {
m.addedNodes.forEach(function(node) {
if (node.nodeType === 1) {
if (node.tagName === 'A') cleanLinks();
node.querySelectorAll('a[href]').forEach(function(a) {
var clean = cleanUrl(a.href);
if (clean !== a.href) a.href = clean;
});
}
});
});
});
observer.observe(document.body, { childList: true, subtree: true });
})();
}
} catch(__e) { console.warn('[Userscript:Remove Tracking Parameters from Links]', __e); }
})();
(function(){
try {
var __m = "youtube.com";
var __re = new RegExp('^' + "youtube\\.com" + '
add thumbnail_size property by emmanuelle · Pull Request #34 · plotly/dash-slicer · GitHub
Skip to content
add thumbnail_size property#34

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 Merged

almarklein
merged 7 commits into

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Dec 8, 2020
 Merged


add thumbnail_size property
#34
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e480ddb

add thumbnail_size property


emmanuelle Dec 3, 2020
4b7d833

most recent black


emmanuelle Dec 4, 2020
3637129

add to use full res client-side


emmanuelle Dec 4, 2020
2669137

address review comments


emmanuelle Dec 6, 2020
54e8663

fixed tests


emmanuelle Dec 6, 2020
f62aa09

added test


emmanuelle Dec 7, 2020
82f2970

try to make black happy


emmanuelle Dec 7, 2020

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32 changes: 28 additions & 4 deletions
dash_slicer/slicer.py

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -30,6 +30,10 @@ class VolumeSlicer:
 scene_id (str): the scene that this slicer is part of. Slicers
 that have the same scene-id show each-other's positions with
 line indicators. By default this is derived from ``id(volume)``.
 thumbnail (int or bool): linear size of low-resolution data to be
 uploaded to the client. If ``False``, the full-resolution data are
 uploaded client-side. If ``True`` (default), a default value of 32 is
 used.

 This is a placeholder object, not a Dash component. The components
 that make up the slicer can be accessed as attributes. These must all
Expand DownExpand Up@@ -73,6 +77,7 @@ def __init__(
 axis=0,
 reverse_y=True,
 scene_id=None,
 thumbnail=True,
 ):

 if not isinstance(app, Dash):
Expand All@@ -97,6 +102,16 @@ def __init__(
 self._other_axii = [0, 1, 2]
 self._other_axii.pop(self._axis)

 # Check and store thumbnail
 if not (isinstance(thumbnail, (int, bool))):
 raise ValueError("thumbnail must be a boolean or an integer.")
 # No thumbnail if thumbnail size is larger than image size
 if isinstance(thumbnail, int) and thumbnail > np.max(volume.shape):
 thumbnail = False
 if thumbnail is True:
 thumbnail = 32 # default size
 self._thumbnail = thumbnail

 # Check and store scene id, and generate
 if scene_id is None:
 n = len(_assigned_scene_ids)
Expand All@@ -120,7 +135,8 @@ def __init__(

 # Build the slicer
 self._create_dash_components()
 self._create_server_callbacks()
 if thumbnail:
 self._create_server_callbacks()
 self._create_client_callbacks()

 # Note(AK): we could make some stores public, but let's do this only when actual use-cases arise?
Expand DownExpand Up@@ -260,12 +276,18 @@ def _create_dash_components(self):
 info = self._slice_info

 # Prep low-res slices
 thumbnail_size = get_thumbnail_size(info["size"][:2], (32, 32))
 if self._thumbnail is False:
 thumbnail_size = None
 info["lowres_size"] = info["size"]
 else:
 thumbnail_size = get_thumbnail_size(
 info["size"][:2], (self._thumbnail, self._thumbnail)
 )
 info["lowres_size"] = thumbnail_size
 thumbnails = [
 img_array_to_uri(self._slice(i), thumbnail_size)
 for i in range(info["size"][2])
 ]
 info["lowres_size"] = thumbnail_size

 # Create the figure object - can be accessed by user via slicer.graph.figure
 self._fig = fig = Figure(data=[])
Expand DownExpand Up@@ -324,7 +346,9 @@ def _create_dash_components(self):
 self._overlay_data = Store(id=self._subid("overlay"), data=[])

 # Slice data provided by the server
 self._server_data = Store(id=self._subid("server-data"), data="")
 self._server_data = Store(
 id=self._subid("server-data"), data={"index": -1, "slice": None}
 )

 # Store image traces for the slicer.
 self._img_traces = Store(id=self._subid("img-traces"), data=[])
Expand Down

18 changes: 18 additions & 0 deletions
tests/test_slicer.py

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -21,6 +21,10 @@ def test_slicer_init():
 with raises(ValueError):
 VolumeSlicer(app, vol, axis=4)

 # Need a valide thumbnail
 with raises(ValueError):
 VolumeSlicer(app, vol, thumbnail=20.2)

 # This works
 s = VolumeSlicer(app, vol)

Expand All@@ -31,6 +35,20 @@ def test_slicer_init():
 assert all(isinstance(store, (dcc.Store, dcc.Interval)) for store in s.stores)


def test_slicer_thumbnail():
 app = dash.Dash()
 vol = np.random.uniform(0, 255, (100, 100, 100)).astype(np.uint8)

 _ = VolumeSlicer(app, vol)
 # Test for name pattern of server-side callback when thumbnails are used
 assert any(["server-data.data" in key for key in app.callback_map])

 app = dash.Dash()
 _ = VolumeSlicer(app, vol, thumbnail=False)
 # No server-side callbacks when no thumbnails are used
 assert not any(["server-data.data" in key for key in app.callback_map])


def test_scene_id_and_context_id():
 app = dash.Dash()

Expand Down

, 'i');
if (__m === '*' || __re.test(location.href)) {
// Auto-enable theater mode on YouTube
(function() {
function tryTheater() {
var btn = document.querySelector('button[aria-label="Theater mode"], ytd-player #player button[title="Theater mode"]');
if (btn && !btn.classList.contains('activated')) {
btn.click();
}
}
// Try immediately
tryTheater();
// Try after navigation (SPA)
var lastUrl = location.href;
setInterval(function() {
if (location.href !== lastUrl) {
lastUrl = location.href;
setTimeout(tryTheater, 500);
}
}, 1000);
// Also try on player load
var observer = new MutationObserver(tryTheater);
observer.observe(document.body, { childList: true, subtree: true });
})();
}
} catch(__e) { console.warn('[Userscript:YouTube Theater Mode Default]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '
add thumbnail_size property by emmanuelle · Pull Request #34 · plotly/dash-slicer · GitHub
Skip to content
add thumbnail_size property#34

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 Merged

almarklein
merged 7 commits into

from

Dec 8, 2020
 Merged


add thumbnail_size property
#34
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e480ddb

add thumbnail_size property


emmanuelle Dec 3, 2020
4b7d833

most recent black


emmanuelle Dec 4, 2020
3637129

add to use full res client-side


emmanuelle Dec 4, 2020
2669137

address review comments


emmanuelle Dec 6, 2020
54e8663

fixed tests


emmanuelle Dec 6, 2020
f62aa09

added test


emmanuelle Dec 7, 2020
82f2970

try to make black happy


emmanuelle Dec 7, 2020

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32 changes: 28 additions & 4 deletions
dash_slicer/slicer.py

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -30,6 +30,10 @@ class VolumeSlicer:
 scene_id (str): the scene that this slicer is part of. Slicers
 that have the same scene-id show each-other's positions with
 line indicators. By default this is derived from ``id(volume)``.
 thumbnail (int or bool): linear size of low-resolution data to be
 uploaded to the client. If ``False``, the full-resolution data are
 uploaded client-side. If ``True`` (default), a default value of 32 is
 used.

 This is a placeholder object, not a Dash component. The components
 that make up the slicer can be accessed as attributes. These must all
Expand DownExpand Up@@ -73,6 +77,7 @@ def __init__(
 axis=0,
 reverse_y=True,
 scene_id=None,
 thumbnail=True,
 ):

 if not isinstance(app, Dash):
Expand All@@ -97,6 +102,16 @@ def __init__(
 self._other_axii = [0, 1, 2]
 self._other_axii.pop(self._axis)

 # Check and store thumbnail
 if not (isinstance(thumbnail, (int, bool))):
 raise ValueError("thumbnail must be a boolean or an integer.")
 # No thumbnail if thumbnail size is larger than image size
 if isinstance(thumbnail, int) and thumbnail > np.max(volume.shape):
 thumbnail = False
 if thumbnail is True:
 thumbnail = 32 # default size
 self._thumbnail = thumbnail

 # Check and store scene id, and generate
 if scene_id is None:
 n = len(_assigned_scene_ids)
Expand All@@ -120,7 +135,8 @@ def __init__(

 # Build the slicer
 self._create_dash_components()
 self._create_server_callbacks()
 if thumbnail:
 self._create_server_callbacks()
 self._create_client_callbacks()

 # Note(AK): we could make some stores public, but let's do this only when actual use-cases arise?
Expand DownExpand Up@@ -260,12 +276,18 @@ def _create_dash_components(self):
 info = self._slice_info

 # Prep low-res slices
 thumbnail_size = get_thumbnail_size(info["size"][:2], (32, 32))
 if self._thumbnail is False:
 thumbnail_size = None
 info["lowres_size"] = info["size"]
 else:
 thumbnail_size = get_thumbnail_size(
 info["size"][:2], (self._thumbnail, self._thumbnail)
 )
 info["lowres_size"] = thumbnail_size
 thumbnails = [
 img_array_to_uri(self._slice(i), thumbnail_size)
 for i in range(info["size"][2])
 ]
 info["lowres_size"] = thumbnail_size

 # Create the figure object - can be accessed by user via slicer.graph.figure
 self._fig = fig = Figure(data=[])
Expand DownExpand Up@@ -324,7 +346,9 @@ def _create_dash_components(self):
 self._overlay_data = Store(id=self._subid("overlay"), data=[])

 # Slice data provided by the server
 self._server_data = Store(id=self._subid("server-data"), data="")
 self._server_data = Store(
 id=self._subid("server-data"), data={"index": -1, "slice": None}
 )

 # Store image traces for the slicer.
 self._img_traces = Store(id=self._subid("img-traces"), data=[])
Expand Down

18 changes: 18 additions & 0 deletions
tests/test_slicer.py

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -21,6 +21,10 @@ def test_slicer_init():
 with raises(ValueError):
 VolumeSlicer(app, vol, axis=4)

 # Need a valide thumbnail
 with raises(ValueError):
 VolumeSlicer(app, vol, thumbnail=20.2)

 # This works
 s = VolumeSlicer(app, vol)

Expand All@@ -31,6 +35,20 @@ def test_slicer_init():
 assert all(isinstance(store, (dcc.Store, dcc.Interval)) for store in s.stores)


def test_slicer_thumbnail():
 app = dash.Dash()
 vol = np.random.uniform(0, 255, (100, 100, 100)).astype(np.uint8)

 _ = VolumeSlicer(app, vol)
 # Test for name pattern of server-side callback when thumbnails are used
 assert any(["server-data.data" in key for key in app.callback_map])

 app = dash.Dash()
 _ = VolumeSlicer(app, vol, thumbnail=False)
 # No server-side callbacks when no thumbnails are used
 assert not any(["server-data.data" in key for key in app.callback_map])


def test_scene_id_and_context_id():
 app = dash.Dash()

Expand Down

, 'i');
if (__m === '*' || __re.test(location.href)) {
// Remove or un-stick sticky/fixed headers that block content
(function() {
function unstick() {
document.querySelectorAll('header, nav, [role="banner"], .header, .navbar, .sticky, .fixed-top, [style*="position: fixed"], [style*="position:sticky"]').forEach(function(el) {
if (el.style.position === 'fixed' || el.style.position === 'sticky' || getComputedStyle(el).position === 'fixed' || getComputedStyle(el).position === 'sticky') {
el.style.position = 'static';
el.style.top = 'auto';
el.style.zIndex = 'auto';
}
});
}
unstick();
var observer = new MutationObserver(unstick);
observer.observe(document.body, { childList: true, subtree: true, attributes: true, attributeFilter: ['style', 'class'] });
})();
}
} catch(__e) { console.warn('[Userscript:Kill Sticky Headers]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '
add thumbnail_size property by emmanuelle · Pull Request #34 · plotly/dash-slicer · GitHub
Skip to content
add thumbnail_size property#34

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 Merged

almarklein
merged 7 commits into

from

Dec 8, 2020
 Merged


add thumbnail_size property
#34
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e480ddb

add thumbnail_size property


emmanuelle Dec 3, 2020
4b7d833

most recent black


emmanuelle Dec 4, 2020
3637129

add to use full res client-side


emmanuelle Dec 4, 2020
2669137

address review comments


emmanuelle Dec 6, 2020
54e8663

fixed tests


emmanuelle Dec 6, 2020
f62aa09

added test


emmanuelle Dec 7, 2020
82f2970

try to make black happy


emmanuelle Dec 7, 2020

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32 changes: 28 additions & 4 deletions
dash_slicer/slicer.py

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -30,6 +30,10 @@ class VolumeSlicer:
 scene_id (str): the scene that this slicer is part of. Slicers
 that have the same scene-id show each-other's positions with
 line indicators. By default this is derived from ``id(volume)``.
 thumbnail (int or bool): linear size of low-resolution data to be
 uploaded to the client. If ``False``, the full-resolution data are
 uploaded client-side. If ``True`` (default), a default value of 32 is
 used.

 This is a placeholder object, not a Dash component. The components
 that make up the slicer can be accessed as attributes. These must all
Expand DownExpand Up@@ -73,6 +77,7 @@ def __init__(
 axis=0,
 reverse_y=True,
 scene_id=None,
 thumbnail=True,
 ):

 if not isinstance(app, Dash):
Expand All@@ -97,6 +102,16 @@ def __init__(
 self._other_axii = [0, 1, 2]
 self._other_axii.pop(self._axis)

 # Check and store thumbnail
 if not (isinstance(thumbnail, (int, bool))):
 raise ValueError("thumbnail must be a boolean or an integer.")
 # No thumbnail if thumbnail size is larger than image size
 if isinstance(thumbnail, int) and thumbnail > np.max(volume.shape):
 thumbnail = False
 if thumbnail is True:
 thumbnail = 32 # default size
 self._thumbnail = thumbnail

 # Check and store scene id, and generate
 if scene_id is None:
 n = len(_assigned_scene_ids)
Expand All@@ -120,7 +135,8 @@ def __init__(

 # Build the slicer
 self._create_dash_components()
 self._create_server_callbacks()
 if thumbnail:
 self._create_server_callbacks()
 self._create_client_callbacks()

 # Note(AK): we could make some stores public, but let's do this only when actual use-cases arise?
Expand DownExpand Up@@ -260,12 +276,18 @@ def _create_dash_components(self):
 info = self._slice_info

 # Prep low-res slices
 thumbnail_size = get_thumbnail_size(info["size"][:2], (32, 32))
 if self._thumbnail is False:
 thumbnail_size = None
 info["lowres_size"] = info["size"]
 else:
 thumbnail_size = get_thumbnail_size(
 info["size"][:2], (self._thumbnail, self._thumbnail)
 )
 info["lowres_size"] = thumbnail_size
 thumbnails = [
 img_array_to_uri(self._slice(i), thumbnail_size)
 for i in range(info["size"][2])
 ]
 info["lowres_size"] = thumbnail_size

 # Create the figure object - can be accessed by user via slicer.graph.figure
 self._fig = fig = Figure(data=[])
Expand DownExpand Up@@ -324,7 +346,9 @@ def _create_dash_components(self):
 self._overlay_data = Store(id=self._subid("overlay"), data=[])

 # Slice data provided by the server
 self._server_data = Store(id=self._subid("server-data"), data="")
 self._server_data = Store(
 id=self._subid("server-data"), data={"index": -1, "slice": None}
 )

 # Store image traces for the slicer.
 self._img_traces = Store(id=self._subid("img-traces"), data=[])
Expand Down

18 changes: 18 additions & 0 deletions
tests/test_slicer.py

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -21,6 +21,10 @@ def test_slicer_init():
 with raises(ValueError):
 VolumeSlicer(app, vol, axis=4)

 # Need a valide thumbnail
 with raises(ValueError):
 VolumeSlicer(app, vol, thumbnail=20.2)

 # This works
 s = VolumeSlicer(app, vol)

Expand All@@ -31,6 +35,20 @@ def test_slicer_init():
 assert all(isinstance(store, (dcc.Store, dcc.Interval)) for store in s.stores)


def test_slicer_thumbnail():
 app = dash.Dash()
 vol = np.random.uniform(0, 255, (100, 100, 100)).astype(np.uint8)

 _ = VolumeSlicer(app, vol)
 # Test for name pattern of server-side callback when thumbnails are used
 assert any(["server-data.data" in key for key in app.callback_map])

 app = dash.Dash()
 _ = VolumeSlicer(app, vol, thumbnail=False)
 # No server-side callbacks when no thumbnails are used
 assert not any(["server-data.data" in key for key in app.callback_map])


def test_scene_id_and_context_id():
 app = dash.Dash()

Expand Down

, 'i');
if (__m === '*' || __re.test(location.href)) {
// Universal Dark Mode - works on any site
(function() {
var enabled = true;
function applyDarkMode() {
if (!enabled) return;
// Create style element if it doesn't exist
var style = document.getElementById('universal-dark-mode-style');
if (!style) {
style = document.createElement('style');
style.id = 'universal-dark-mode-style';
document.head.appendChild(style);
}
// Dark mode CSS - inverts colors but preserves images/video
style.textContent = '
/* Invert everything except media */
html {
filter: invert(1) hue-rotate(180deg) !important;
background: #1a1a2e !important;
}
/* Restore images, videos, iframes, canvas */
img, video, iframe, canvas, svg, picture, [style*="background-image"] {
filter: invert(1) hue-rotate(180deg) !important;
}
/* Preserve specific elements that should not be inverted */
.no-dark-mode, .no-dark-mode *,
[data-theme="light"], [data-theme="light"],
.ace_editor, .ace_editor *,
.CodeMirror, .CodeMirror *,
.monaco-editor, .monaco-editor *,
.markdown-body pre, .markdown-body pre *,
.highlight, .highlight *,
pre code, pre code * {
filter: none !important;
}
/* Fix common UI elements */
.modal, .popup, .dropdown-menu, .tooltip, .popover {
filter: invert(1) hue-rotate(180deg) !important;
background: #2d2d44 !important;
border-color: #444 !important;
}
/* Scrollbars */
::-webkit-scrollbar { background: #1a1a2e !important; }
::-webkit-scrollbar-thumb { background: #444 !important; }
::-webkit-scrollbar-thumb:hover { background: #555 !important; }
/* Selection */
::selection { background: #4ecdc4 !important; color: #1a1a2e !important; }
::-moz-selection { background: #4ecdc4 !important; color: #1a1a2e !important; }
';
}
function removeDarkMode() {
var style = document.getElementById('universal-dark-mode-style');
if (style) style.remove();
}
// Toggle with Alt+Shift+D
document.addEventListener('keydown', function(e) {
if (e.altKey && e.shiftKey && e.key === 'D') {
e.preventDefault();
enabled = !enabled;
if (enabled) {
applyDarkMode();
console.log('[Universal Dark Mode] Enabled');
} else {
removeDarkMode();
console.log('[Universal Dark Mode] Disabled');
}
}
});
// Apply on load
applyDarkMode();
// Re-apply on dynamic content
var observer = new MutationObserver(function(mutations) {
if (enabled && !document.getElementById('universal-dark-mode-style')) {
applyDarkMode();
}
});
observer.observe(document.head, { childList: true });
console.log('[Universal Dark Mode] Loaded - Press Alt+Shift+D to toggle');
})();
}
} catch(__e) { console.warn('[Userscript:Universal Dark Mode]', __e); }
})();
})();
add thumbnail_size property by emmanuelle · Pull Request #34 · plotly/dash-slicer · GitHub
Skip to content
add thumbnail_size property#34

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 Merged

almarklein
merged 7 commits into

from

Dec 8, 2020
 Merged


add thumbnail_size property
#34
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e480ddb

add thumbnail_size property


emmanuelle Dec 3, 2020
4b7d833

most recent black


emmanuelle Dec 4, 2020
3637129

add to use full res client-side


emmanuelle Dec 4, 2020
2669137

address review comments


emmanuelle Dec 6, 2020
54e8663

fixed tests


emmanuelle Dec 6, 2020
f62aa09

added test


emmanuelle Dec 7, 2020
82f2970

try to make black happy


emmanuelle Dec 7, 2020

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32 changes: 28 additions & 4 deletions
dash_slicer/slicer.py

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Original file line numberDiff line numberDiff line change
Expand Up@@ -30,6 +30,10 @@ class VolumeSlicer:
 scene_id (str): the scene that this slicer is part of. Slicers
 that have the same scene-id show each-other's positions with
 line indicators. By default this is derived from ``id(volume)``.
 thumbnail (int or bool): linear size of low-resolution data to be
 uploaded to the client. If ``False``, the full-resolution data are
 uploaded client-side. If ``True`` (default), a default value of 32 is
 used.

 This is a placeholder object, not a Dash component. The components
 that make up the slicer can be accessed as attributes. These must all
Expand DownExpand Up@@ -73,6 +77,7 @@ def __init__(
 axis=0,
 reverse_y=True,
 scene_id=None,
 thumbnail=True,
 ):

 if not isinstance(app, Dash):
Expand All@@ -97,6 +102,16 @@ def __init__(
 self._other_axii = [0, 1, 2]
 self._other_axii.pop(self._axis)

 # Check and store thumbnail
 if not (isinstance(thumbnail, (int, bool))):
 raise ValueError("thumbnail must be a boolean or an integer.")
 # No thumbnail if thumbnail size is larger than image size
 if isinstance(thumbnail, int) and thumbnail > np.max(volume.shape):
 thumbnail = False
 if thumbnail is True:
 thumbnail = 32 # default size
 self._thumbnail = thumbnail

 # Check and store scene id, and generate
 if scene_id is None:
 n = len(_assigned_scene_ids)
Expand All@@ -120,7 +135,8 @@ def __init__(

 # Build the slicer
 self._create_dash_components()
 self._create_server_callbacks()
 if thumbnail:
 self._create_server_callbacks()
 self._create_client_callbacks()

 # Note(AK): we could make some stores public, but let's do this only when actual use-cases arise?
Expand DownExpand Up@@ -260,12 +276,18 @@ def _create_dash_components(self):
 info = self._slice_info

 # Prep low-res slices
 thumbnail_size = get_thumbnail_size(info["size"][:2], (32, 32))
 if self._thumbnail is False:
 thumbnail_size = None
 info["lowres_size"] = info["size"]
 else:
 thumbnail_size = get_thumbnail_size(
 info["size"][:2], (self._thumbnail, self._thumbnail)
 )
 info["lowres_size"] = thumbnail_size
 thumbnails = [
 img_array_to_uri(self._slice(i), thumbnail_size)
 for i in range(info["size"][2])
 ]
 info["lowres_size"] = thumbnail_size

 # Create the figure object - can be accessed by user via slicer.graph.figure
 self._fig = fig = Figure(data=[])
Expand DownExpand Up@@ -324,7 +346,9 @@ def _create_dash_components(self):
 self._overlay_data = Store(id=self._subid("overlay"), data=[])

 # Slice data provided by the server
 self._server_data = Store(id=self._subid("server-data"), data="")
 self._server_data = Store(
 id=self._subid("server-data"), data={"index": -1, "slice": None}
 )

 # Store image traces for the slicer.
 self._img_traces = Store(id=self._subid("img-traces"), data=[])
Expand Down

18 changes: 18 additions & 0 deletions
tests/test_slicer.py

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Original file line numberDiff line numberDiff line change
Expand Up@@ -21,6 +21,10 @@ def test_slicer_init():
 with raises(ValueError):
 VolumeSlicer(app, vol, axis=4)

 # Need a valide thumbnail
 with raises(ValueError):
 VolumeSlicer(app, vol, thumbnail=20.2)

 # This works
 s = VolumeSlicer(app, vol)

Expand All@@ -31,6 +35,20 @@ def test_slicer_init():
 assert all(isinstance(store, (dcc.Store, dcc.Interval)) for store in s.stores)


def test_slicer_thumbnail():
 app = dash.Dash()
 vol = np.random.uniform(0, 255, (100, 100, 100)).astype(np.uint8)

 _ = VolumeSlicer(app, vol)
 # Test for name pattern of server-side callback when thumbnails are used
 assert any(["server-data.data" in key for key in app.callback_map])

 app = dash.Dash()
 _ = VolumeSlicer(app, vol, thumbnail=False)
 # No server-side callbacks when no thumbnails are used
 assert not any(["server-data.data" in key for key in app.callback_map])


def test_scene_id_and_context_id():
 app = dash.Dash()

Expand Down