B.10 Image Properties

Image properties include specifications relating to the representation of images in the Portal. See General Presentation for related properties in Enterprise Manager.

Property

Description

image.type

PNG or JPEG. PNG can only be used with version 4.0 or newer browsers. Generally PNG results in an image with a smaller file size, and better quality than JPEG.

image.filtered

Default is false (recommended). Turns PNG compression on or off. This property is ignored if JPEG images are used.

image.antialias

PNG images are antialiased by default when using j2d. Set this property to false to turn off antialias. (Antialias gets rid of “jaggies”.

html.image.xratio

When generating html, images are converted to jpeg using a resizing ratio of 1.0. This sometimes causes the image to be distorted. This default can be changed by setting this property.

html.image.yratio

When generating html, images are converted to jpeg using a resizing ratio of 1.0. This sometimes causes the image to be distorted. This default can be changed by setting this property.

html.image.scale

Set to 'true' to scale images using x/y ratio; otherwise, natural size is used, regardless of the size setting on the report.

html.image.count

Specifies the maximum number of images cached on the report server. Reducing the number of cached images can help alleviate certain server memory issues.

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