d1: READ FILE=swiss.dat VALUES=c1
d2: READ FILE=swiss.dat VALUES=c2
d3: READ FILE=swiss.dat VALUES=c3

ff: COLLECT_FRAMES ARG=d1,d2,d3 CLEAR=50
oo: EUCLIDEAN_DISSIMILARITIES USE_OUTPUT_DATA_FROM=ff 

CLASSICAL_MDS ...
  USE_OUTPUT_DATA_FROM=oo
  NLOW_DIM=2
  LABEL=mds
... CLASSICAL_MDS

SKETCHMAP_CONJGRAD ...
  USE_OUTPUT_DATA_FROM=mds
  HIGH_DIM_FUNCTION={SMAP R_0=4 A=3 B=2}
  LOW_DIM_FUNCTION={SMAP R_0=4 A=1 B=2}
  LABEL=smap
... SKETCHMAP_CONJGRAD

OUTPUT_ANALYSIS_DATA_TO_COLVAR USE_OUTPUT_DATA_FROM=smap ARG=smap.* FMT=%8.4f FILE=smap STRIDE=50
