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from plotly import graph_objs as go
colorscale_parent_paths = [
("histogram2dcontour",),
("choropleth",),
("histogram2d",),
("heatmap",),
("heatmapgl",),
("contourcarpet",),
("contour",),
("surface",),
("mesh3d",),
("scatter", "marker"),
("parcoords", "line"),
("scatterpolargl", "marker"),
("bar", "marker"),
("scattergeo", "marker"),
("scatterpolar", "marker"),
("histogram", "marker"),
("scattergl", "marker"),
("scatter3d", "line"),
("scatter3d", "marker"),
("scattermapbox", "marker"),
("scatterternary", "marker"),
("scattercarpet", "marker"),
("scatter", "marker", "line"),
("scatterpolargl", "marker", "line"),
("bar", "marker", "line"),
]
def set_all_colorbars(template, colorbar):
for parent_path in colorscale_parent_paths:
if not template.data[parent_path[0]]:
template.data[parent_path[0]] = [{}]
for trace in template.data[parent_path[0]]:
parent = trace[parent_path[1:]]
if "colorbar" in parent:
parent.colorbar = colorbar
def initialize_template(
annotation_defaults,
axis_common,
axis_ticks_clr,
colorbar_common,
colorscale,
colorway,
font_clr,
panel_background_clr,
panel_grid_clr,
paper_clr,
shape_defaults,
table_cell_clr,
table_header_clr,
table_line_clr,
zerolinecolor_clr,
colorscale_minus=None,
colorscale_diverging=None,
):
# Initialize template
# -------------------
template = go.layout.Template()
# pythonic autotyping of numeric strings
template.layout.autotypenumbers = "strict"
# trace cycle color
template.layout.colorway = colorway
# Set global font color
template.layout.font.color = font_clr
# hovermode
template.layout.hovermode = "closest"
# right-align hoverlabels
template.layout.hoverlabel.align = "left"
# Set background colors
template.layout.paper_bgcolor = paper_clr
template.layout.plot_bgcolor = panel_background_clr
template.layout.polar.bgcolor = panel_background_clr
template.layout.ternary.bgcolor = panel_background_clr
cartesian_axis = dict(axis_common, zerolinecolor=zerolinecolor_clr)
# Colorbars
set_all_colorbars(template, colorbar_common)
template.layout.coloraxis.colorbar = colorbar_common
# Colorscales
template.layout.colorscale.sequential = colorscale
if colorscale_minus is not None:
template.layout.colorscale.sequentialminus = colorscale_minus
else:
template.layout.colorscale.sequentialminus = colorscale
if colorscale_diverging is not None:
template.layout.colorscale.diverging = colorscale_diverging
template.data.heatmap[0].colorscale = colorscale
template.data.histogram2d[0].colorscale = colorscale
template.data.histogram2dcontour[0].colorscale = colorscale
template.data.contour[0].colorscale = colorscale
template.data.surface[0].colorscale = colorscale
template.data.heatmapgl[0].colorscale = colorscale
# Cartesian
template.layout.xaxis = cartesian_axis
template.layout.yaxis = cartesian_axis
# Set automargin to true in case we need to adjust margins for
# larger font size
template.layout.xaxis.automargin = True
template.layout.yaxis.automargin = True
# 3D
axis_3d = dict(cartesian_axis)
if axis_3d.get("title"):
_ = axis_3d["title"].pop("standoff")
if panel_background_clr:
axis_3d["backgroundcolor"] = panel_background_clr
axis_3d["showbackground"] = True
template.layout.scene.xaxis = axis_3d
template.layout.scene.yaxis = axis_3d
template.layout.scene.zaxis = axis_3d
# Ternary
template.layout.ternary.aaxis = axis_common
template.layout.ternary.baxis = axis_common
template.layout.ternary.caxis = axis_common
# Polar
if axis_common.get("title") or axis_common.get("title") == {}:
_ = axis_common.pop("title")
template.layout.polar.angularaxis = axis_common
template.layout.polar.radialaxis = axis_common
# Carpet
carpet_axis = dict(
gridcolor=panel_grid_clr,
linecolor=panel_grid_clr,
startlinecolor=axis_ticks_clr,
endlinecolor=axis_ticks_clr,
minorgridcolor=panel_grid_clr,
)
template.data.carpet = [{"aaxis": carpet_axis, "baxis": carpet_axis}]
# Shape defaults
template.layout.shapedefaults = shape_defaults
# Annotation defaults
template.layout.annotationdefaults = annotation_defaults
# Geo
template.layout.geo.bgcolor = paper_clr
template.layout.geo.landcolor = panel_background_clr
template.layout.geo.subunitcolor = panel_grid_clr
template.layout.geo.showland = True
template.layout.geo.showlakes = True
template.layout.geo.lakecolor = paper_clr
# Table
template.data.table = [
{
"header": {
"fill": {"color": table_header_clr},
"line": {"color": table_line_clr},
},
"cells": {
"fill": {"color": table_cell_clr},
"line": {"color": table_line_clr},
},
}
]
pattern = dict(fillmode="overlay", solidity=0.2, size=10)
# Bar outline
# Changing marker line color also affects error color,
# so reset default error colors
template.data.bar = [
{
"marker": {
"line": {"width": 0.5, "color": panel_background_clr},
"pattern": pattern,
},
"error_x": {"color": font_clr},
"error_y": {"color": font_clr},
}
]
template.data.barpolar = [
{
"marker": {
"line": {"width": 0.5, "color": panel_background_clr},
"pattern": pattern,
}
}
]
template.data.histogram = [{"marker": {"pattern": pattern}}]
return template
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