IBM Visualization Data Explorer Programmer's Reference

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16.9 Image Fields

An image Field is a Field with regular positions and with regular quadrilateral connections. Images also contain a "colors" component. The sign of the deltas of the "positions" component determines the orientation of the image.

Functions of the routines listed here include creating a field image, returning a pointer to the data in an image field, and returning information about an image.

Field DXMakeImage()

Creates a new empty image Field. See DXMakeImage.

RGBColor *DXGetPixels()

Returns a pointer to the data in an image Field. See DXGetPixels.

Field DXGetImageSize()
Object DXGetImageBounds();

Return information about image Fields. See DXGetImageSize, DXGetImageBounds.

Field DXOutputRGB()

Writes an image to a file in RGB format. See DXOutputRGB.

Object DXDisplayX()
Object DXDisplayX8();
Object DXDisplayX12();
Object DXDisplayX24();

Display an image on an X window. See DXDisplayX, DXDisplayX8, DXDisplayX12, DXDisplayX24.


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