plotly.graph_objects.Image

class plotly.graph_objects.Image(arg=None, colormodel=None, customdata=None, customdatasrc=None, dx=None, dy=None, hoverinfo=None, hoverinfosrc=None, hoverlabel=None, hovertemplate=None, hovertemplatesrc=None, hovertext=None, hovertextsrc=None, ids=None, idssrc=None, legend=None, legendgrouptitle=None, legendrank=None, legendwidth=None, meta=None, metasrc=None, name=None, opacity=None, source=None, stream=None, text=None, textsrc=None, uid=None, uirevision=None, visible=None, x0=None, xaxis=None, y0=None, yaxis=None, z=None, zmax=None, zmin=None, zorder=None, zsmooth=None, zsrc=None, **kwargs)
__init__(arg=None, colormodel=None, customdata=None, customdatasrc=None, dx=None, dy=None, hoverinfo=None, hoverinfosrc=None, hoverlabel=None, hovertemplate=None, hovertemplatesrc=None, hovertext=None, hovertextsrc=None, ids=None, idssrc=None, legend=None, legendgrouptitle=None, legendrank=None, legendwidth=None, meta=None, metasrc=None, name=None, opacity=None, source=None, stream=None, text=None, textsrc=None, uid=None, uirevision=None, visible=None, x0=None, xaxis=None, y0=None, yaxis=None, z=None, zmax=None, zmin=None, zorder=None, zsmooth=None, zsrc=None, **kwargs)

Construct a new Image object

Display an image, i.e. data on a 2D regular raster. By default, when an image is displayed in a subplot, its y axis will be reversed (ie. autorange: 'reversed'), constrained to the domain (ie. constrain: 'domain') and it will have the same scale as its x axis (ie. scaleanchor: 'x,) in order for pixels to be rendered as squares.

Parameters

  • arg – dict of properties compatible with this constructor or an instance of plotly.graph_objects.Image

  • colormodel – Color model used to map the numerical color components described in z into colors. If source is specified, this attribute will be set to rgba256 otherwise it defaults to rgb.

  • customdata – Assigns extra data each datum. This may be useful when listening to hover, click and selection events. Note that, “scatter” traces also appends customdata items in the markers DOM elements

  • customdatasrc – Sets the source reference on Chart Studio Cloud for customdata.

  • dx – Set the pixel’s horizontal size.

  • dy – Set the pixel’s vertical size

  • hoverinfo – Determines which trace information appear on hover. If none or skip are set, no information is displayed upon hovering. But, if none is set, click and hover events are still fired.

  • hoverinfosrc – Sets the source reference on Chart Studio Cloud for hoverinfo.

  • hoverlabel – plotly.graph_objects.image.Hoverlabel instance or dict with compatible properties

  • hovertemplate – Template string used for rendering the information that appear on hover box. Note that this will override hoverinfo. Variables are inserted using %{variable}, for example “y: %{y}” as well as %{xother}, {%_xother}, {%_xother_}, {%xother_}. When showing info for several points, “xother” will be added to those with different x positions from the first point. An underscore before or after “(x|y)other” will add a space on that side, only when this field is shown. Numbers are formatted using d3-format’s syntax %{variable:d3-format}, for example “Price: %{y:$.2f}”. https://github.com/d3/d3-format/tree/v1.4.5#d3-format for details on the formatting syntax. Dates are formatted using d3-time-format’s syntax %{variable|d3-time-format}, for example “Day: %{2019-01-01|%A}”. https://github.com/d3/d3-time- format/tree/v2.2.3#locale_format for details on the date formatting syntax. The variables available in hovertemplate are the ones emitted as event data described at this link https://plotly.com/javascript/plotlyjs-events/#event- data. Additionally, every attributes that can be specified per-point (the ones that are arrayOk: true) are available. Finally, the template string has access to variables z, color and colormodel. Anything contained in tag <extra> is displayed in the secondary box, for example <extra>%{fullData.name}</extra>. To hide the secondary box completely, use an empty tag <extra></extra>.

  • hovertemplatesrc – Sets the source reference on Chart Studio Cloud for hovertemplate.

  • hovertext – Same as text.

  • hovertextsrc – Sets the source reference on Chart Studio Cloud for hovertext.

  • ids – Assigns id labels to each datum. These ids for object constancy of data points during animation. Should be an array of strings, not numbers or any other type.

  • idssrc – Sets the source reference on Chart Studio Cloud for ids.

  • legend – Sets the reference to a legend to show this trace in. References to these legends are “legend”, “legend2”, “legend3”, etc. Settings for these legends are set in the layout, under layout.legend, layout.legend2, etc.

  • legendgrouptitle – plotly.graph_objects.image.Legendgrouptitle instance or dict with compatible properties

  • legendrank – Sets the legend rank for this trace. Items and groups with smaller ranks are presented on top/left side while with “reversed” legend.traceorder they are on bottom/right side. The default legendrank is 1000, so that you can use ranks less than 1000 to place certain items before all unranked items, and ranks greater than 1000 to go after all unranked items. When having unranked or equal rank items shapes would be displayed after traces i.e. according to their order in data and layout.

  • legendwidth – Sets the width (in px or fraction) of the legend for this trace.

  • meta – Assigns extra meta information associated with this trace that can be used in various text attributes. Attributes such as trace name, graph, axis and colorbar title.text, annotation text rangeselector, updatemenues and sliders label text all support meta. To access the trace meta values in an attribute in the same trace, simply use %{meta[i]} where i is the index or key of the meta item in question. To access trace meta in layout attributes, use %{data[n[.meta[i]} where i is the index or key of the meta and n is the trace index.

  • metasrc – Sets the source reference on Chart Studio Cloud for meta.

  • name – Sets the trace name. The trace name appears as the legend item and on hover.

  • opacity – Sets the opacity of the trace.

  • source – Specifies the data URI of the image to be visualized. The URI consists of “data:image/[<media subtype>][;base64],<data>”

  • stream – plotly.graph_objects.image.Stream instance or dict with compatible properties

  • text – Sets the text elements associated with each z value.

  • textsrc – Sets the source reference on Chart Studio Cloud for text.

  • uid – Assign an id to this trace, Use this to provide object constancy between traces during animations and transitions.

  • uirevision – Controls persistence of some user-driven changes to the trace: constraintrange in parcoords traces, as well as some editable: true modifications such as name and colorbar.title. Defaults to layout.uirevision. Note that other user-driven trace attribute changes are controlled by layout attributes: trace.visible is controlled by layout.legend.uirevision, selectedpoints is controlled by layout.selectionrevision, and colorbar.(x|y) (accessible with config: {editable: true}) is controlled by layout.editrevision. Trace changes are tracked by uid, which only falls back on trace index if no uid is provided. So if your app can add/remove traces before the end of the data array, such that the same trace has a different index, you can still preserve user-driven changes if you give each trace a uid that stays with it as it moves.

  • visible – Determines whether or not this trace is visible. If “legendonly”, the trace is not drawn, but can appear as a legend item (provided that the legend itself is visible).

  • x0 – Set the image’s x position. The left edge of the image (or the right edge if the x axis is reversed or dx is negative) will be found at xmin=x0-dx/2

  • xaxis – Sets a reference between this trace’s x coordinates and a 2D cartesian x axis. If “x” (the default value), the x coordinates refer to layout.xaxis. If “x2”, the x coordinates refer to layout.xaxis2, and so on.

  • y0 – Set the image’s y position. The top edge of the image (or the bottom edge if the y axis is NOT reversed or if dy is negative) will be found at ymin=y0-dy/2. By default when an image trace is included, the y axis will be reversed so that the image is right-side-up, but you can disable this by setting yaxis.autorange=true or by providing an explicit y axis range.

  • yaxis – Sets a reference between this trace’s y coordinates and a 2D cartesian y axis. If “y” (the default value), the y coordinates refer to layout.yaxis. If “y2”, the y coordinates refer to layout.yaxis2, and so on.

  • z – A 2-dimensional array in which each element is an array of 3 or 4 numbers representing a color.

  • zmax – Array defining the higher bound for each color component. Note that the default value will depend on the colormodel. For the rgb colormodel, it is [255, 255, 255]. For the rgba colormodel, it is [255, 255, 255, 1]. For the rgba256 colormodel, it is [255, 255, 255, 255]. For the hsl colormodel, it is [360, 100, 100]. For the hsla colormodel, it is [360, 100, 100, 1].

  • zmin – Array defining the lower bound for each color component. Note that the default value will depend on the colormodel. For the rgb colormodel, it is [0, 0, 0]. For the rgba colormodel, it is [0, 0, 0, 0]. For the rgba256 colormodel, it is [0, 0, 0, 0]. For the hsl colormodel, it is [0, 0, 0]. For the hsla colormodel, it is [0, 0, 0, 0].

  • zorder – Sets the layer on which this trace is displayed, relative to other SVG traces on the same subplot. SVG traces with higher zorder appear in front of those with lower zorder.

  • zsmooth – Picks a smoothing algorithm used to smooth z data. This only applies for image traces that use the source attribute.

  • zsrc – Sets the source reference on Chart Studio Cloud for z.

Returns

Return type

Image

plotly.graph_objects.image

plotly.graph_objects.image

class plotly.graph_objects.image.Hoverlabel(arg=None, align=None, alignsrc=None, bgcolor=None, bgcolorsrc=None, bordercolor=None, bordercolorsrc=None, font=None, namelength=None, namelengthsrc=None, showarrow=None, **kwargs)
property align

Sets the horizontal alignment of the text content within hover label box. Has an effect only if the hover label text spans more two or more lines

The ‘align’ property is an enumeration that may be specified as:
  • One of the following enumeration values:

    [‘left’, ‘right’, ‘auto’]

  • A tuple, list, or one-dimensional numpy array of the above

Returns

Return type

Any|numpy.ndarray

property alignsrc

Sets the source reference on Chart Studio Cloud for align.

The ‘alignsrc’ property must be specified as a string or as a plotly.grid_objs.Column object

Returns

Return type

str

property bgcolor

Sets the background color of the hover labels for this trace

The ‘bgcolor’ property is a color and may be specified as:

  • A hex string (e.g. ‘#ff0000’)

  • An rgb/rgba string (e.g. ‘rgb(255,0,0)’)

  • An hsl/hsla string (e.g. ‘hsl(0,100%,50%)’)

  • An hsv/hsva string (e.g. ‘hsv(0,100%,100%)’)

  • A named CSS color: see https://plotly.com/python/css-colors/ for a list

  • A list or array of any of the above

Returns

Return type

str|numpy.ndarray

property bgcolorsrc

Sets the source reference on Chart Studio Cloud for bgcolor.

The ‘bgcolorsrc’ property must be specified as a string or as a plotly.grid_objs.Column object

Returns

Return type

str

property bordercolor

Sets the border color of the hover labels for this trace.

The ‘bordercolor’ property is a color and may be specified as:

  • A hex string (e.g. ‘#ff0000’)

  • An rgb/rgba string (e.g. ‘rgb(255,0,0)’)

  • An hsl/hsla string (e.g. ‘hsl(0,100%,50%)’)

  • An hsv/hsva string (e.g. ‘hsv(0,100%,100%)’)

  • A named CSS color: see https://plotly.com/python/css-colors/ for a list

  • A list or array of any of the above

Returns

Return type

str|numpy.ndarray

property bordercolorsrc

Sets the source reference on Chart Studio Cloud for bordercolor.

The ‘bordercolorsrc’ property must be specified as a string or as a plotly.grid_objs.Column object

Returns

Return type

str

property font

Sets the font used in hover labels.

The ‘font’ property is an instance of Font that may be specified as:

Returns

Return type

plotly.graph_objects.image.hoverlabel.Font

property namelength

Sets the default length (in number of characters) of the trace name in the hover labels for all traces. -1 shows the whole name regardless of length. 0-3 shows the first 0-3 characters, and an integer >3 will show the whole name if it is less than that many characters, but if it is longer, will truncate to namelength - 3 characters and add an ellipsis.

The ‘namelength’ property is a integer and may be specified as:

  • An int (or float that will be cast to an int) in the interval [-1, 9223372036854775807]

  • A tuple, list, or one-dimensional numpy array of the above

Returns

Return type

int|numpy.ndarray

property namelengthsrc

Sets the source reference on Chart Studio Cloud for namelength.

The ‘namelengthsrc’ property must be specified as a string or as a plotly.grid_objs.Column object

Returns

Return type

str

property showarrow

Sets whether or not to show the hover label arrow/triangle pointing to the data point.

The ‘showarrow’ property must be specified as a bool (either True, or False)

Returns

Return type

bool

class plotly.graph_objects.image.Legendgrouptitle(arg=None, font=None, text=None, **kwargs)
property font

Sets this legend group’s title font.

The ‘font’ property is an instance of Font that may be specified as:

Returns

Return type

plotly.graph_objects.image.legendgrouptitle.Font

property text

Sets the title of the legend group.

The ‘text’ property is a string and must be specified as:

  • A string

  • A number that will be converted to a string

Returns

Return type

str

class plotly.graph_objects.image.Stream(arg=None, maxpoints=None, token=None, **kwargs)
property maxpoints

Sets the maximum number of points to keep on the plots from an incoming stream. If maxpoints is set to 50, only the newest 50 points will be displayed on the plot.

The ‘maxpoints’ property is a number and may be specified as:

  • An int or float in the interval [0, 10000]

Returns

Return type

int|float

property token

The stream id number links a data trace on a plot with a stream. See https://chart-studio.plotly.com/settings for more details.

The ‘token’ property is a string and must be specified as:

  • A non-empty string

Returns

Return type

str