Set decimal to pixel size to prevent divide by zero
Set decimal to pixel size to prevent divide by zero

cryos/tomviz,OpenChemistry/tomviz,mathturtle/tomviz,cjh1/tomviz,OpenChemistry/tomviz,OpenChemistry/tomviz,thewtex/tomviz,mathturtle/tomviz,cryos/tomviz,OpenChemistry/tomviz,thewtex/tomviz,mathturtle/tomviz,cjh1/tomviz,cjh1/tomviz,cryos/tomviz,thewtex/tomviz