Class: TmsTileSource

OpenSeadragon.TmsTileSource

A tilesource implementation for Tiled Map Services (TMS). TMS tile scheme ( [ as supported by OpenLayers ] is described here ( http://openlayers.org/dev/examples/tms.html ).

Constructor

new TmsTileSource(width, height, tileSize, tileOverlap, tilesUrl)

Parameters:
Name Type Description
width Number | Object the pixel width of the image or the idiomatic options object which is used instead of positional arguments.
height Number
tileSize Number
tileOverlap Number
tilesUrl String
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Extends

Members

aspectRatio :Number

Ratio of width to height
Type:
  • Number
Inherited From:
Source:

dimensions :OpenSeadragon.Point

Vector storing x and y dimensions ( width and height respectively ).
Type:
Inherited From:
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maxLevel :Number

The maximum pyramid level this tile source supports or should attempt to load.
Type:
  • Number
Inherited From:
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minLevel :Number

The minimum pyramid level this tile source supports or should attempt to load.
Type:
  • Number
Inherited From:
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ready :Boolean

Type:
  • Boolean
Inherited From:
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tileOverlap :Number

The overlap in pixels each tile shares with its adjacent neighbors.
Type:
  • Number
Inherited From:
Source:

Methods

addHandler(eventName, handler, userDataopt)

Add an event handler for a given event.
Parameters:
Name Type Attributes Default Description
eventName String Name of event to register.
handler OpenSeadragon.EventHandler Function to call when event is triggered.
userData Object <optional>
null Arbitrary object to be passed unchanged to the handler.
Inherited From:
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addOnceHandler(eventName, handler, userDataopt, timesopt)

Add an event handler to be triggered only once (or a given number of times) for a given event.
Parameters:
Name Type Attributes Default Description
eventName String Name of event to register.
handler OpenSeadragon.EventHandler Function to call when event is triggered.
userData Object <optional>
null Arbitrary object to be passed unchanged to the handler.
times Number <optional>
1 The number of times to handle the event before removing it.
Inherited From:
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configure(data, url) → {Object}

Parameters:
Name Type Description
data Object the raw configuration
url String the url the data was retreived from if any.
Overrides:
Source:
Returns:
options - A dictionary of keyword arguments sufficient to configure this tile sources constructor.
Type
Object

getClosestLevel(level)

Parameters:
Name Type Description
level Number
Inherited From:
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getHandler(eventName)

Get a function which iterates the list of all handlers registered for a given event, calling the handler for each.
Parameters:
Name Type Description
eventName String Name of event to get handlers for.
Inherited From:
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getImageInfo(url)

Responsible for retrieving, and caching the image metadata pertinent to this TileSources implementation.
Parameters:
Name Type Description
url String
Inherited From:
Source:
Throws:
Error

getLevelScale(level)

Parameters:
Name Type Description
level Number
Inherited From:
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getNumTiles(level)

Parameters:
Name Type Description
level Number
Inherited From:
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getPixelRatio(level)

Parameters:
Name Type Description
level Number
Inherited From:
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getTileAtPoint(level, point)

Parameters:
Name Type Description
level Number
point OpenSeadragon.Point
Inherited From:
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getTileBounds(level, x, y)

Parameters:
Name Type Description
level Number
x Number
y Number
Inherited From:
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getTileHeight(level)

Return the tileHeight for a given level. Subclasses should override this if tileHeight can be different at different levels such as in IIIFTileSource. Code should use this function rather than reading from ._tileHeight directly.
Parameters:
Name Type Description
level Number
Inherited From:
Source:

getTileUrl(level, x, y)

Parameters:
Name Type Description
level Number
x Number
y Number
Overrides:
Source:

getTileWidth(level)

Return the tileWidth for a given level. Subclasses should override this if tileWidth can be different at different levels such as in IIIFTileSource. Code should use this function rather than reading from ._tileWidth directly.
Parameters:
Name Type Description
level Number
Inherited From:
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raiseEvent(eventName, eventArgs)

Trigger an event, optionally passing additional information.
Parameters:
Name Type Description
eventName String Name of event to register.
eventArgs Object Event-specific data.
Inherited From:
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removeAllHandlers(eventName)

Remove all event handlers for a given event type. If no type is given all event handlers for every event type are removed.
Parameters:
Name Type Description
eventName String Name of event for which all handlers are to be removed.
Inherited From:
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removeHandler(eventName, handler)

Remove a specific event handler for a given event.
Parameters:
Name Type Description
eventName String Name of event for which the handler is to be removed.
handler OpenSeadragon.EventHandler Function to be removed.
Inherited From:
Source:

supports(data, optional)

Determine if the data and/or url imply the image service is supported by this tile source.
Parameters:
Name Type Description
data Object | Array
optional String url
Overrides:
Source:

tileExists(level, x, y)

Parameters:
Name Type Description
level Number
x Number
y Number
Inherited From:
Source: