Specifies the mosaic rule when defining how individual images should be mosaicked. It specifies selection, mosaic method, sort order, overlapping pixel resolution, etc. Mosaic rules are for mosaicking rasters in the mosaic dataset. A mosaic rule is used to define:
- The selection of rasters that will participate in the mosaic (using where clause).
- The mosaic method, e.g. how the selected rasters are ordered.
- The mosaic operation, e.g. how overlapping pixels at the same location are resolved.
new MosaicRule({
ascending: true,
method: "center",
operation: "last"
});
Constructors
new MosaicRule(properties)
properties Object See the properties for a list of all the properties that may be passed into the constructor. |
Property Overview
Name | Type | Summary | |
---|---|---|---|
Boolean | Indicates whether the sort should be ascending. more details | more details | |
String | The name of the class. more details | more details | |
Number[] | An array of raster Ids. more details | more details | |
String | The mosaic method determines how the selected rasters are ordered. more details | more details | |
DimensionalDefinition[] | A multiple dimensional service can have multiple dimensions for one or more variables. more details | more details | |
Number[] | Defines a selection using a set of ObjectIDs. more details | more details | |
String | Defines the mosaic operation used to resolve overlapping pixels. more details | more details | |
String | The name of the attribute field that is used with a constant sortValue to define the mosaicking order when the mosaic method is set to | more details | |
String | A constant value defining a reference or base value for the sort field when the mosaic method is set to | more details | |
Point | Defines the viewpoint location on which the ordering is defined based on the distance from the viewpoint and the nadir of rasters. more details | more details | |
String | The where clause determines which rasters will participate in the mosaic. more details | more details |
Property Details
ascendingBoolean
Indicates whether the sort should be ascending. This property applies to all mosaic methods where an ordering is defined except
seamline
.Default Value: truedeclaredClassStringreadonly
The name of the class. The declared class name is formatted as
esri.folder.className
.lockRasterIdsNumber[]
An array of raster Ids. All the rasters with the given list of raster Ids are selected to participate in the mosaic. The rasters will be visible at all pixel sizes regardless of the minimum and maximum pixel size range of the locked rasters.
Example:var mr = new MosaicRule(); mr.method = "lock-raster"; mr.lockRasterIds = [32,454,14];
methodString
The mosaic method determines how the selected rasters are ordered.
Known Values: none | center | nadir | viewpoint | attribute | lock-raster | northwest | seamline
Example:var mr = new MosaicRule(); mr.method = "lock-raster";
multidimensionalDefinitionDimensionalDefinition[]
A multiple dimensional service can have multiple dimensions for one or more variables. Use multiDimensionalDefinitions to filter data based on a slice or range of data. For example, a single ImageryLayer may have a
depth
dimension storing sea temperatures for the same pixel location at various depths. Another dimension could betime
, where the same pixel stores multiple values based on a window of time.This property can be used to filter and display ImageryLayer pixels for specific "slices" in those dimensions (e.g. display sea temperature at 1000m below sea level for a specific week in the year).
Example:// Display water salinity at a specific point in time. // In this case - Nov 30 2009 var mr = new MosaicRule(); mr.multidimensionalDefinition = []; mr.multidimensionalDefinition.push(new DimensionalDefinition({ variableName: "Salinity", dimensionName: "StdTime", values: [1259625600000] })); layer.mosaicRule = mr;
objectIdsNumber[]
Defines a selection using a set of ObjectIDs. This property applies to all mosaic methods.
operationString
Defines the mosaic operation used to resolve overlapping pixels.
Known Values: first | last | min | max | mean | blend
sortFieldString
The name of the attribute field that is used with a constant sortValue to define the mosaicking order when the mosaic method is set to
attribute
. The ordering is defined by the absolute value of the difference between the specified sort field value and the sort base value. For example, if the sort field isMonth
and the sort value is7 (July)
, then the ordering is defined byABS(Month -7)
.sortValueString
A constant value defining a reference or base value for the sort field when the mosaic method is set to
attribute
.viewpointPoint
Defines the viewpoint location on which the ordering is defined based on the distance from the viewpoint and the nadir of rasters.
Example:var mr = new MosaicRule(); mr.method = "viewpoint"; mr.viewpoint = inPoint; layer.mosaicRule = mr;
whereString
The where clause determines which rasters will participate in the mosaic. This property applies to all mosaic methods.
Method Overview
Name | Return Type | Summary | |
---|---|---|---|
* | Creates a new instance of this class and initializes it with values from a JSON object generated from a product in the ArcGIS platform. more details | more details | |
Object | Converts an instance of this class to its ArcGIS Portal JSON representation. more details | more details |
Method Details
fromJSON(json){*}static
Creates a new instance of this class and initializes it with values from a JSON object generated from a product in the ArcGIS platform. The object passed into the input
json
parameter often comes from a response to a query operation in the REST API or a toJSON() method from another ArcGIS product. See the Using fromJSON() topic in the Guide for details and examples of when and how to use this function.Parameter:json ObjectA JSON representation of the instance in the ArcGIS format. See the ArcGIS REST API documentation for examples of the structure of various input JSON objects.
Returns:Type Description * Returns a new instance of this class. toJSON(){Object}
Converts an instance of this class to its ArcGIS Portal JSON representation. See the Using fromJSON() topic in the Guide for more information.
Returns:Type Description Object The ArcGIS Portal JSON representation of an instance of this class.