Image QA - Read image (RAW/NonRAW)

Created: 2012-02-27 15:54:18 Last updated: 2012-02-27 15:54:19

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Reads an image for evaluation. How the file is read depends on the image type (RAW, NonRAW) of the current image and the image to compare with.

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Workflow Components

Authors (1)

Titles (1)

Descriptions (1)

Dependencies (0)

Inputs (3)

Name	Description
path	Path to the image to read.
isRawThis	Whether the path points to a raw image.
isRawOther	Whether the other image for comparison is a raw image.

Processors (9)

Name	Type	Description
selectDcrawParameters	beanshell	Script ArrayList dcraw_noInt_noConv_fixed_path = new ArrayList(1); ArrayList dcraw_srgb_colorInt_fixed_path = new ArrayList(1); ArrayList dcraw_srgb_colorInt_camera_path = new ArrayList(1); ArrayList nonraw = new ArrayList(1); boolean isRawThisBool = "true".equals(isRawThis); boolean isRawOtherBool = "true".equals(isRawOther); if (isRawThisBool && isRawOtherBool) { dcraw_noInt_noConv_fixed_path.add(path); dcraw_srgb_colorInt_fixed_path.add(path); } else { if (isRawThisBool) { dcraw_srgb_colorInt_camera_path.add(path); } else { nonraw.add(path); } }
readNoIntNoConvFixed	workflow
readSrgbColorIntCamera	workflow
readSrgbColorIntFixed	workflow
readFile	beanshell	Script File file = new File(path); InputStream is = new FileInputStream(file); // Get the size of the file long length = file.length(); // Create the byte array to hold the data byte[] image = new byte[(int)length]; // Read in the bytes int offset = 0; int numRead = 0; while (offset < image.length && (numRead=is.read(image, offset, image.length-offset)) >= 0) { offset += numRead; } // Ensure all the bytes have been read in if (offset < image.length) { throw new IOException("Could not completely read file "+file.getName()); } // Close the input stream and return bytes is.close();
getFirstElementDfs	workflow
selectImageDataEquals	beanshell	Script // imageRaw must be a Collection that is either empty or with one element if (imageRaw instanceof Collection) { if (imageRaw.size() == 1) { // imageRaw has a value, use it imageEquals = imageRaw.get(0); } else { // dcraw_noInt_noConv_fixed was not filled, use others imageEquals = imageOthers; } } else { throw new Excpetion("Error reading image with dcraw workflow"); }
profileStart	beanshell	Script import org.apache.log4j.Logger; Logger logger = Logger.getLogger("Workflow - Read image (RAW, NonRAW)"); logger.info("Reading image"); long startTimestamp = System.nanoTime();
profileEnd	beanshell	Script import org.apache.log4j.Logger; Logger logger = Logger.getLogger("Workflow - Read image (RAW, NonRAW)"); logger.info("Done reading image"); long startTimestampLong = Long.parseLong(startTimestamp); double runtime = (System.nanoTime() - startTimestampLong) * 1.0e-9;

Beanshells (6)

Name	Inputs	Outputs
selectDcrawParameters	path isRawThis isRawOther	dcraw_noInt_noConv_fixed_path dcraw_srgb_colorInt_camera_path dcraw_srgb_colorInt_fixed_path nonraw
readFile	path	image
selectImageDataEquals	imageRaw imageOthers	imageEquals
profileStart		startTimestamp
profileEnd	startTimestamp	runtime
getFirstElementDFS	input	firstElement

Outputs (3)

Name	Description
imageEquals	Image for equals comparison as byte array.
imageOthers	Image for other comparisons as byte array.
runtime

Datalinks (16)

Source	Sink
path	selectDcrawParameters:path
isRawThis	selectDcrawParameters:isRawThis
isRawOther	selectDcrawParameters:isRawOther
selectDcrawParameters:dcraw_noInt_noConv_fixed_path	readNoIntNoConvFixed:path
selectDcrawParameters:dcraw_srgb_colorInt_camera_path	readSrgbColorIntCamera:path
selectDcrawParameters:dcraw_srgb_colorInt_fixed_path	readSrgbColorIntFixed:path
selectDcrawParameters:nonraw	readFile:path
readNoIntNoConvFixed:image	selectImageDataEquals:imageRaw
getFirstElementDfs:firstElement	selectImageDataEquals:imageOthers
profileStart:startTimestamp	profileEnd:startTimestamp
readSrgbColorIntCamera:image	getFirstElementDfs:input
readSrgbColorIntFixed:image	getFirstElementDfs:input
readFile:image	getFirstElementDfs:input
selectImageDataEquals:imageEquals	imageEquals
getFirstElementDfs:firstElement	imageOthers
profileEnd:runtime	runtime