tsEDDImageMsg Struct Reference
Image Data Message (Server->Client). More...
#include <EDDImageDataMsg.h>
Collaboration diagram for tsEDDImageMsg:
Public Attributes | |
| tsEDDMsgHdr | msHeader |
| standard EDD interface header | |
| uint32_t | mnTotalPixels |
| total number of pixels in image | |
| uint32_t | mnStartPixel |
| see Description above | |
| uint16_t | mnNumPixels |
| see Description above | |
| uint16_t | mnImageNumber |
| Image number of data packet. | |
Detailed Description
Image Data Message (Server->Client).This is a common header used for all 1, 2, and 3 dimensional data plot messages. The messages are variable length. Multiple messages may be required to completely transmit an image.
Following the mnImageNumber is the data payload, which is described below.
Data Packing Rules for EDDImageMsgs
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For no compression, data is packed row by row (col 0 to col N) into the appropriately sized octets (12 bit data is packed into 2 octets). mnStartPixel is starting offset. mnNumPixels is number of pixels in message. If mnStartPixel is 0, then first message for given image Image is ready when mnStartPixel+mnNumPixels >= mnTotalPixels.
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if sparse encoded data structure is packed by:
Words 0-(mnNumPixels-1) uint32_t sparse pixel offsets Words mnNumPixels-(2*mnNumPixels-1) packed data type per mnImageType sparse pixel value Word 2*mnNumPixels packed data type per mnImageType default pixel value
The Image is ready when mnStartPixel = mnTotalPixels
Definition at line 112 of file EDDImageDataMsg.h.
Member Data Documentation
| uint16_t tsEDDImageMsg::mnImageNumber |
| uint16_t tsEDDImageMsg::mnNumPixels |
| uint32_t tsEDDImageMsg::mnStartPixel |
| uint32_t tsEDDImageMsg::mnTotalPixels |
The documentation for this struct was generated from the following file:
