private int computeEntropy(Address address) {
		if (address == null) {
			return 0;
		}
		MemoryBlock block = program.getMemory().getBlock(address);
		if (block == null) {
			return 0;
		}
		Address chunkStartAddress = getChunkStartAddress(block, address);
		try {
			int bytesRead = block.getBytes(chunkStartAddress, chunkBuffer);
			computeHistogram(bytesRead);
			return quantizeChunk();
		}
		catch (MemoryAccessException e) {
			return 0;  // no bytes, no entropy
		}
	}
Service for associating colors with a programs address's based on an Entropy computation for
the bytes in a chunk around the given address.
Ghidra/Features/Base/src/main/java/ghidra/app/plugin/core/overview/entropy/EntropyOverviewColorService.java