Add penalty when labels are too close to their origin. Add extra penalty for label-origin overlaps.
Add penalty when labels are too close to their origin. Add extra penalty for label-origin overlaps.

hms-dbmi/4DN_matrix-viewer,hms-dbmi/4DN_matrix-viewer,hms-dbmi/higlass,hms-dbmi/higlass,hms-dbmi/higlass,hms-dbmi/4DN_matrix-viewer,hms-dbmi/higlass