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ArcGIS server cached tiles format

Question asked by tinksthomas on Sep 28, 2015

We have a cached tile service for aerial imagery. It supports  multiple image formats:

 

Below is the service description (deleted some info for clarity)

 

The default image format is a JPG.

 

I.E.

 

http://MyDomainName/MyInstanceName/rest/services/MyServiceFolderName/MyServiceName/MapServer/tile/13/213397/86208

 

returns a jpg image.

 

Is there a way to request the same image as a png instead?

 

I can make an export map request as a png, but I really want to use tiles. Do I have to access the cached files from the virtual directory somehow?

 

Or is it just not possible?

 

Notes:

I'm a web developer, not a GIS Admin.

Currently 10.1 but moving to 10.3 shortly.

 

Service Description:

 

Map Name: Layers

 

Layers:

Spatial Reference: 2193  (2193)

 

Single Fused Map Cache: true

 

Tile Info:

  • Height: 256
  • Width: 256
  • DPI: 96
  • Levels of Detail: 15
  • Format: Mixed
  • Compression Quality: 75.0
  • Origin: X: -4020900.0
    Y: 1.99981E7
  • Spatial Reference: 2193  (2193)

 

Units: esriMeters

 

Supported Image Format Types: PNG32,PNG24,PNG,JPG,DIB,TIFF,EMF,PS,PDF,GIF,SVG,SVGZ,BMP

 

Supports Dynamic Layers: false

 

MaxRecordCount: 1000

 

MaxImageHeight: 2048

 

MaxImageWidth: 2048

 

Supported Query Formats: JSON, AMF

 

Min Scale: 16000000

 

Max Scale: 500

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