Update genPlot for Mac.
Update genPlot for Mac.

YaguangZhang/EarsMeasurementCampaignCode,YaguangZhang/EarsMeasurementCampaignCode,YaguangZhang/EarsMeasurementCampaignCode,YaguangZhang/EarsMeasurementCampaignCode,YaguangZhang/EarsMeasurementCampaignCode