rect
Final view rectangle. It allows the final view image to be disassembled into several strips or tiles, which can be delivered separately and reassembled by the client seamlessly, with no artifacts along the edges.
rect= *coord*, *size*[, *scale*]
Using this command, Image Serving can deliver large images by way of HTTP which would otherwise exceed the size limit configured with attribute::MaxPix.
NOTEExample
Separate a printable CMYK image into several full-resolution strips to reduce the download file sizes. If you requested a contiguous image:
http://server/is/image/cat/imageId?scl=1&op_usm=.9,2&bgc=ffffff&fmt=tif&icc=WebCoated
First, relevant information about the image is obtained:
http://server/is/image/cat/imageId?scl=1&op_usm=.9,2&bgc=ffffff&req=props
The text response includes these properties:
image.width=2000 image.height=2400 image.version=37JK6NTvpvC42F5gOuLEVY
Based on this information, four 600x2000 pixel strips are desired. The rect= command is used to describe the strip sizes and positions.
Because this image is changed frequently, the id= command is included. Doing so minimizes the chance of ending up with one or more strips from an older version of the image which may have been cached in a CDN or proxy server. The value of the image.version property is used for this purpose.
http://server/is/image/cat/imageId?scl=1&op_usm=.9,2&bgc=ffffff&id=37JK6NTvpvC42F5gOuLEVY&rect=0,0,2000,600 http://server/is/image/cat/imageId?scl=1&op_usm=.9,2&bgc=ffffff&id=37JK6NTvpvC42F5gOuLEVY&rect=0,600,2000,600 http://server/is/image/cat/imageId?scl=1&op_usm=.9,2&bgc=ffffff&id=37JK6NTvpvC42F5gOuLEVY&rect=0,1200,2000,600 http://server/is/image/cat/imageId?scl=1&op_usm=.9,2&bgc=ffffff&id=37JK6NTvpvC42F5gOuLEVY&rect=0,1800,2000,600
Properties
View attribute. It applies regardless of the current layer setting.
Any areas of the ROI extending outside the view image are padded with bgc=.
Important rect= is applied after final scaling and fitting with scl=, wid=, hei=, fit=, rgn=, and align=.
Experience Manager
