Method setProp

ij/src/main/java/ij/ImagePlus.java:1635–1647

Adds a key-value pair to this image's string properties. The key-value pair is removed if 'value' is null. The properties persist if the image is saved in TIFF format. Add a "HideInfo" property (e.g. set("HideInfo","true")) to prevent the properties from being displayed by the Image/Show Info comman

(String key, String value)

	 * Image/Show Info command.
	*/
	public void setProp(String key, String value) {
		if (key==null)
			return;
		if (imageProperties==null)
			imageProperties = new Properties();
		if (value==null || value.length()==0)
			imageProperties.remove(key);
		else {
			imageProperties.setProperty(key, value);
			if (key.equals("CompositeProjection"))
				Channels.updateChannels();
		}
	}
	
	/** Saves a persistent numeric propery. The property is
	 *  removed if 'value' is NaN.