mosaicRule
The image service uses a mosaic rule to mosaick multiple rasters on the fly. The mosaic rule parameter is used by many image service operations, for example, export image and identify operations.
Referenced by: Image Service Layer (ArcGISImageServiceLayer)
Properties
| Property | Details |
|---|---|
| ascending | Indicate whether to use ascending or descending order. |
| fids | A list that defines a subset of rasters used in the mosaic, be aware that the rasters may not be visible at all scales. |
| itemRenderingRule | The rendering rule applies on items before mosaicking. |
| lockRasterIds | Lock a few rasters in the image service. Used together with esriMosaicLockRaster. |
| mosaicMethod | A string value that determines how the selected rasters are ordered. Must be one of the following values:
|
| mosaicOperation | Use the mosaic operation to resolve overlap pixel values: from first or last raster, use the min, max or mean of the pixel values, or blend them. If property is present, must be one of the following values:
|
| multidimensionalDefinition | Definition of multidimentional variables. |
| sortField | The field name used together with esriMosaicAttribute method. |
| sortValue | The base sort value used together with esriMosaicAttribute method and sortField parameter. |
| viewpoint | Use a view point along with esriMosaicViewpoint. |
| where | Deprecated. Use layerDefinition.definitionExpression instead. |
Additional information
Mosaic rule in ArcGIS REST API
mosaic rule None Example
{
"mosaicRule": {
"mosaicMethod": "esriMosaicNone",
"ascending": true,
"fids": [
1,
2,
3
],
"mosaicOperation": "MT_FIRST"
}
}
mosaic rule ByAttribute Example
{
"mosaicRule": {
"mosaicMethod": "esriMosaicAttribute",
"sortField": "acquisitionDate",
"sortValue": "2010/12/31"
}
}
mosaic rule Viewpoint Example
{
"mosaicRule": {
"mosaicMethod": "esriMosaicViewpoint",
"viewpoint": {
"x": 100,
"y": 90,
"spatialReference": {
"wkid": 4326
}
},
"where": "ImageType='Landsat7'"
}
}
mosaic rule LockRaster Example
{
"mosaicRule": {
"mosaicMethod": "esriMosaicLockRaster",
"lockRasterIds": [
1,
2,
3
]
}
}
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