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Reference

URL Configuration Parameters

URL parameters are used to configure Pannellum. If an equirectangular image is being used without some of Pannellum’s more advanced features, Pannellum can be configured with just URL parameters; else, a JSON configuration file needs to be used with the config.

config

Specifies the URL of a JSON configuration file.

Other parameters

A subset of the JSON configuration file options can be used as URL parameters. These include panorama, config, author, title, hfov, minHfov, maxHfov, pitch, minPitch, maxPitch, yaw, minYaw, maxYaw, haov, vaov, vOffset, autoLoad, autoRotate, firstScene, ignoreGPanoXMP, preview, and fallback.

JSON Configuration File Options

General options

type (string)

This specifies the panorama type. Can be equirectangular, cubemap, or multires. Defaults to equirectangular.

title (string)

If set, the value is displayed as the panorama’s title. If no title is desired, don’t set this parameter.

author (string)

If set, the value is displayed as the panorama’s author. If no author is desired, don’t set this parameter.

strings (dictionary)

Allows user-facing strings to be changed / translated. See defaultConfig.strings definition in pannellum.js for more details.

basePath (string)

This specifies a base path to load the images from.

autoLoad (boolean)

When set to true, the panorama will automatically load. When false, the user needs to click on the load button to load the panorama. Defaults to false.

autoRotate (number)

Setting this parameter causes the panorama to automatically rotate when loaded. The value specifies the rotation speed in degrees per second. Positive is counter-clockwise, and negative is clockwise.

autoRotateInactivityDelay (number)

Sets the delay, in milliseconds, to start automatically rotating the panorama after user activity ceases. This parameter only has an effect if the autoRotate parameter is set.

autoRotateStopDelay (number)

Sets the delay, in milliseconds, to stop automatically rotating the panorama after it is loaded. This parameter only has an effect if the autoRotate parameter is set.

fallback (string)

If set, the value is used as a URL for a fallback viewer in case Pannellum is not supported by the user’s device. The user will be given the option to click a link and visit this URL if Pannellum fails to work.

orientationOnByDefault (boolean)

If set to true, device orientation control will be used when the panorama is loaded, if the device supports it. If false, device orientation control needs to be activated by pressing a button. Defaults to false.

showZoomCtrl (boolean)

If set to false, the zoom controls will not be displayed. Defaults to true.

keyboardZoom (boolean)

If set to false, zooming with keyboard will be disabled. Defaults to true.

mouseZoom (boolean or string)

If set to false, zooming with mouse wheel will be disabled. Defaults to true. Can also be set to fullscreenonly, in which case it is only enabled when the viewer is fullscreen.

draggable (boolean)

If set to false, mouse and touch dragging is disabled. Defaults to true.

disableKeyboardCtrl (boolean)

If set to true, keyboard controls are disabled. Defaults to false.

showFullscreenCtrl (boolean)

If set to false, the fullscreen control will not be displayed. Defaults to true. The fullscreen button will only be displayed if the browser supports the fullscreen API.

showControls (boolean)

If set to false, no controls are displayed. Defaults to true.

yaw (number)

Sets the panorama’s starting yaw position in degrees. Defaults to 0.

pitch (number)

Sets the panorama’s starting pitch position in degrees. Defaults to 0.

hfov (number)

Sets the panorama’s starting horizontal field of view in degrees. Defaults to 100.

minYaw and maxYaw (number)

Sets the minimum / maximum yaw the viewer edge can be at, in degrees. Defaults to -180 / 180, i.e. no limit.

minPitch and maxPitch (number)

Sets the minimum / maximum pitch the viewer edge can be at, in degrees. Defaults to undefined, so the viewer center can reach -90 / 90.

minHfov and maxHfov (number)

Sets the minimum / maximum horizontal field of view, in degrees, that the viewer can be set to. Defaults to 50 / 120.

compass (boolean)

If true, a compass is displayed. Normally defaults to false; defaults to true if heading information is present in Photo Sphere XMP metadata.

northOffset (number)

Set the offset, in degrees, of the center of the panorama from North. As this affects the compass, it only has an effect if compass is set to true.

preview (string)

Specifies a URL for a preview image to display before the panorama is loaded.

previewTitle (string)

Specifies the title to be displayed while the load button is displayed.

previewAuthor (string)

Specifies the author to be displayed while the load button is displayed.

horizonPitch and horizonRoll (number)

Specifies pitch / roll of image horizon, in degrees (for correcting non-leveled panoramas).

animationTimingFunction (function) [API only]

This specifies a timing function to be used for animating movements such as when the lookAt method is called. The default timing function is easeInOutQuad. If a custom function is specified, it should take a number [0, 1] as its only argument and return a number [0, 1].

escapeHTML (boolean)

When true, HTML is escaped from configuration strings to help mitigate possible DOM XSS attacks. This is always true when using the standalone viewer since the configuration is provided via the URL; it defaults to false but can be set to true when using the API.

crossOrigin (string)

This specifies the type of CORS request used and can be set to either anonymous or use-credentials. Defaults to anonymous.

hotSpots (array)

This specifies an array of hot spots that can be links to other scenes, information, or external links. Each array element has the following properties.

pitch (number)

Specifies the pitch portion of the hot spot’s location, in degrees.

yaw (number)

Specifies the yaw portion of the hot spot’s location, in degrees.

type (string)

Specifies the type of the hot spot. Can be scene for scene links or info for information hot spots. A tour configuration file is required for scene hot spots.

text (string)

This specifies the text that is displayed when the user hovers over the hot spot.

URL (string)

If specified for an info hot spot, the hot spot links to the specified URL. Not applicable for scene hot spots.

sceneId (string)

Specifies the ID of the scene to link to for scene hot spots. Not applicable for info hot spots.

targetPitch (number)

Specifies the pitch of the target scene, in degrees. Can also be set to same, which uses the current pitch of the current scene as the initial pitch of the target scene.

targetYaw (number)

Specifies the yaw of the target scene, in degrees. Can also be set to same or sameAzimuth. These settings use the current yaw of the current scene as the initial yaw of the target scene; same uses the current yaw directly, while sameAzimuth takes into account the northOffset values of both scenes to maintain the same direction with regard to north.

targetHfov (number)

Specifies the HFOV of the target scene, in degrees.

id

Specifies hot spot ID, for use with API’s removeHotSpot function.

cssClass (string)

If specified, string is used as the CSS class for the hot spot instead of the default CSS classes.

createTooltipFunc (function) and createTooltipArgs (object)

If createTooltipFunc is specified, this function is used to create the hot spot tooltip DOM instead of the default function. The contents of createTooltipArgs are passed to the function as arguments.

clickHandlerFunc (function) and clickHandlerArgs (object)

If clickHandlerFunc is specified, this function is added as an event handler for the hot spot’s click event. The event object and the contents of clickHandlerArgs are passed to the function as arguments.

hotSpotDebug (boolean)

When true, the mouse pointer’s pitch and yaw are logged to the console when the mouse button is clicked. Defaults to false.

sceneFadeDuration (number)

Specifies the fade duration, in milliseconds, when transitioning between scenes. Not defined by default. Only applicable for tours. Only works with WebGL renderer.

equirectangular specific options

panorama (string)

Sets the URL to the equirectangular panorama image. This is relative to basePath if it is set, else it is relative to the location of pannellum.htm. An absolute URL can also be used.

haov (number)

Sets the panorama’s horizontal angle of view, in degrees. Defaults to 360. This is used if the equirectangular image does not cover a full 360 degrees in the horizontal.

vaov (number)

Sets the panorama’s vertical angle of view, in degrees. Defaults to 180. This is used if the equirectangular image does not cover a full 180 degrees in the vertical.

vOffset (number)

Sets the vertical offset of the center of the equirectangular image from the horizon, in degrees. Defaults to 0. This is used if vaov is less than 180 and the equirectangular image is not cropped symmetrically.

ignoreGPanoXMP (boolean)

If set to true, any embedded Photo Sphere XMP data will be ignored; else, said data will override any existing settings. Defaults to false.

backgroundColor ([number, number, number])

Specifies an array containing RGB values [0, 1] that sets the background color shown past the edges of a partial panorama. Defaults to [0, 0, 0] (black).

cubemap specific options

cubeMap

This is an array of URLs for the six cube faces in the order front, right, back, left, up, down. These are relative to basePath if it is set, else they are relative to the location of pannellum.htm. Absolute URLs can also be used.

multires specific options

multiRes

This contains information about the multiresolution panorama in sub-keys.

basePath (string)

This is the base path of the URLs for the multiresolution tiles. It is relative to the regular basePath option if it is defined, else it is relative to the location of pannellum.htm. An absolute URL can also be used.

path (string)

This is a format string for the location of the multiresolution tiles, relative to multiRes.basePath, which is relative to basePath. Format parameters are %l for the zoom level, %s for the cube face, %x for the x index, and %y for the y index. For each tile, .extension is appended.

fallbackPath (string)

This is a format string for the location of the fallback tiles for the CSS 3D transform-based renderer if the WebGL renderer is not supported, relative to multiRes.basePath, which is relative to basePath. The only format parameter is %s, for the cube face. For each face, .extension is appended.

extension (string)

Specifies the tiles’ file extension. Do not include the ..

tileResolution (number)

This specifies the size in pixels of each image tile.

maxLevel (number)

This specifies the maximum zoom level.

cubeResolution (number)

This specifies the size in pixels of the full resolution cube faces the image tiles were created from.

Dynamic content specific options

Currently, only equirectangular dynamic content is supported.

dynamic (boolean)

The panorama source is considered dynamic when this is set to true. Defaults to false. This should be set to true for video.

Additional information for tour configuration files

A tour configuration file contains two top level properties, default and scenes. The default property contains options that are used for each scene, but options specified for individual scenes override these options. The default property is required to have a firstScene property that contains the scene ID for the first scene to be displayed. The scenes property contains a dictionary of scenes, specified by scene IDs. The values assigned to these IDs are specific to each scene.

API Events

load

Fired when a panorama finishes loading.

scenechange

Fired when a scene change is initiated. A load event will be fired when the new scene finishes loading. Passes scene ID string to handler.

scenechangefadedone

If a scene transition fade interval is specified, this event is fired when the fading is completed after changing scenes.

error

Fired when an error occured. The error message string is passed to the event listener.

errorcleared

Fired when an error is cleared.

mousedown

Fired when the mouse button is pressed. Passes MouseEvent to handler.

mouseup

Fired when the mouse button is released. Passes MouseEvent to handler.

touchstart

Fired when a touch starts. Passes TouchEvent to handler.

touchend

Fired when a touch ends. Passes TouchEvent to handler.

Pannellum is developed on GitHub by Matthew Petroff.
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