Gallery: Histograms (Python)

add_histogram("spectrum.fits[fit][cols x,y]")

tbl = read_file("spectrum.fits[fit]")
xlo = get_colvals(tbl,"xlo")
xhi = get_colvals(tbl,"xhi")
y = get_colvals(tbl,"y")
add_histogram(xlo,xhi,y,["line.color","red"])
log_scale(X_AXIS)

tbl = read_file("histogram.fits")
xlo = get_colvals(tbl,"xlo")
xhi = get_colvals(tbl,"xhi")
y = get_colvals(tbl,"y")
add_histogram(xlo,xhi,y,["line.style","longdash","dropline",1])

tbl = read_file("histogram.fits")
xlo = get_colvals(tbl,"xlo")
xhi = get_colvals(tbl,"xhi")
y = get_colvals(tbl,"y")
dylo = get_colvals(tbl,"dylo")
dyhi = get_colvals(tbl,"dyhi")
hist = ChipsHistogram()
hist.dropline = 1
hist.line.color = "red"
hist.symbol.style = "diamond"
hist.symbol.size = 4.0
hist.symbol.fill = 1
hist.symbol.color = "orange"
hist.err.color = "green"
hist.fill.visible = 1
hist.fill.opacity = "0.2"
hist.fill.color = "blue"
add_histogram(xlo,xhi,y,dylo,dyhi,hist)

# Move the histogram behind the axes so that the tick marks are not hidden
shuffle_back(chips_histogram)