sum loading: Stop defaulting to 1nm/px when pixel to nm scaling cannot be found.#181

ns-rse merged 3 commits intomainAFM-SPM/AFMReader:mainfrom

SylviaWhittle/stop-default-1nm-p2nmAFM-SPM/AFMReader:SylviaWhittle/stop-default-1nm-p2nmCopy head branch name to clipboard