Handle zooming better
Handle zooming better

Don’t let zooming go down to nothing, and let it grow larger for large graphs.

T2DREAM/t2dream-portal,ENCODE-DCC/snovault,ENCODE-DCC/encoded,T2DREAM/t2dream-portal,ENCODE-DCC/encoded,T2DREAM/t2dream-portal,ENCODE-DCC/snovault,ENCODE-DCC/snovault,T2DREAM/t2dream-portal,ENCODE-DCC/snovault,ENCODE-DCC/encoded,ENCODE-DCC/snovault,ENCODE-DCC/encoded