def contour(data,
panel=None,
enableLabels=1,
interval=None,
width=400,
height=400,
title="VisAD Contour Plot"):
"""
Quick plot of a contour (isopleth) from <data>. <panel> is the name
of a panel to put this into (default= make a new one),
<enableLabels> controls whether the contour lines will be labelled,
<interval[4]> is a list containing the contour interval info
(interval, minimum, maximum, base), <width> and <height> are the
dimensions, <title> is the phrase for the title bar. Returns a
reference to the display.
"""
if isinstance(data, PyList) or isinstance(data, PyTuple):
data = field(data)
ndom = domainDimension(data)
if ndom != 2:
print "domain dimension must be 2!"
return None
dom_1 = RealType.getRealType(domainType(data, 0))
dom_2 = RealType.getRealType(domainType(data, 1))
rng = RealType.getRealType(rangeType(data, 0))
rngMap = ScalarMap(rng, Display.IsoContour)
xMap = ScalarMap(dom_1, Display.XAxis)
yMap = ScalarMap(dom_2, Display.YAxis)
maps = (xMap, yMap, rngMap)
disp = subs.makeDisplay(maps)
ci = rngMap.getControl()
ci.enableLabels(enableLabels)
if interval is not None:
ci.setContourInterval(interval[0], interval[1], interval[2],
interval[3])
dr = subs.addData("contours", data, disp)
subs.setBoxSize(disp, .80)
subs.setAspectRatio(disp, float(width) / float(height))
subs.showDisplay(disp, width, height, title, None, None, panel)
return disp
def image(data,
panel=None,
colortable=None,
width=400,
height=400,
title="VisAD Image"):
"""
Display an image with a gray scale color mapping. <data> contains
the image, <panel> is the name of a panel to put this into (default=
make a new one), <colortable> is a color table to use (def = gray
scale), <width> and <height> are the dimensions. <title> is the
phrase for the title bar. Returns a reference to the display.
"""
if isinstance(data, PyList) or isinstance(data, PyTuple):
data = field(data)
dom_1 = RealType.getRealType(domainType(data, 0))
dom_2 = RealType.getRealType(domainType(data, 1))
rng = RealType.getRealType(rangeType(data, 0))
rngMap = ScalarMap(rng, Display.RGB)
xMap = ScalarMap(dom_1, Display.XAxis)
yMap = ScalarMap(dom_2, Display.YAxis)
maps = (xMap, yMap, rngMap)
#disp = subs.makeDisplay2D(maps)
disp = subs.makeDisplay(maps)
if colortable is None:
# make a gray-scale table
gray = []
for i in range(0, 255):
gray.append(float(i) / 255.)
colortable = (gray, gray, gray)
rngMap.getControl().setTable(colortable)
dr = subs.addData("brightness", data, disp)
subs.setBoxSize(disp, .80)
subs.setAspectRatio(disp, float(width) / float(height))
subs.showDisplay(disp, width, height, title, None, None, panel)
return disp
def lineplot(data,
panel=None,
color=None,
width=400,
height=400,
title="Line Plot"):
"""
Quick plot of a line plot from <data>. <panel> is the name of a
panel to put this into (default= make a new one), <color> is the
color to use, <width> and <height> are the dimensions, <title> is
the phrase for the title bar. Returns a reference to the display.
"""
if isinstance(data, PyTuple) or isinstance(data, PyList):
data = field(data)
domt = domainType(data)
rngt = rangeType(data)
xaxis = ScalarMap(domt[0], Display.XAxis)
if isinstance(rngt, RealTupleType):
yaxis = ScalarMap(rngt[0], Display.YAxis)
else:
yaxis = ScalarMap(rngt, Display.YAxis)
axes = (xaxis, yaxis)
disp = subs.makeDisplay(axes)
constmap = subs.makeColorMap(color)
dr = subs.addData("Lineplot", data, disp, constmap)
subs.setBoxSize(disp, .70)
showAxesScales(disp, 1)
setAxesScalesFont(axes, Font("Monospaced", Font.PLAIN, 18))
subs.setAspectRatio(disp, float(width) / float(height))
subs.showDisplay(disp, width, height, title, None, None, panel)
return disp
def animation(data, width=400, height=500, title="VisAD Animation"):
"""
Quick plot of an animation. <data> is a list/tuple of iamges to
animate. <width> and <height> are the size, and <title> is the
label for the titlebar. Returns a reference to the display.
"""
num_frames = len(data)
frames = RealType.getRealType("frames")
frames_type = RealTupleType(frames)
image_type = data[0].getType()
ndom = domainDimension(data[0])
if ndom != 2:
print "domain dimension must be 2!"
return None
dom_1 = RealType.getRealType(domainType(data[0], 0))
dom_2 = RealType.getRealType(domainType(data[0], 1))
nrng = rangeDimension(data[0])
if (nrng != 3) and (nrng != 1):
print "range dimension must be 1 or 3"
return None
# now create display scalar maps
maps = None
rng_1 = rangeType(data[0], 0)
if nrng == 3:
rng_2 = rangeType(data[0], 1)
rng_3 = rangeType(data[0], 2)
rng_red = None
if (rng_1 == "Red"): rng_red = rng_1
if (rng_2 == "Red"): rng_red = rng_2
if (rng_3 == "Red"): rng_red = rng_3
rng_green = None
if (rng_1 == "Green"): rng_green = rng_1
if (rng_2 == "Green"): rng_green = rng_2
if (rng_3 == "Green"): rng_green = rng_3
rng_blue = None
if (rng_1 == "Blue"): rng_blue = rng_1
if (rng_2 == "Blue"): rng_blue = rng_2
if (rng_3 == "Blue"): rng_blue = rng_3
if (rng_red is None) or (rng_green is None) or (rng_blue is None):
print "3 Range components must be Red, Green and Blue"
else:
maps = subs.makeMaps(dom_1, "x", dom_2, "y",
RealType.getRealType(rng_red), "red",
RealType.getRealType(rng_green), "green",
RealType.getRealType(rng_blue), "blue")
else:
maps = subs.makeMaps(dom_1, "x", dom_2, "y",
RealType.getRealType(rng_1), "rgb")
frame_images = FunctionType(frames_type, image_type)
frame_set = makeDomain(frames, 0, num_frames - 1, num_frames)
frame_seq = FieldImpl(frame_images, frame_set)
for i in range(0, num_frames):
frame_seq.setSample(i, data[i])
disp = subs.makeDisplay(maps)
animap = ScalarMap(frames, Display.Animation)
disp.addMap(animap)
refimg = subs.addData("VisAD_Animation", frame_seq, disp)
widget = AnimationWidget(animap, 500)
subs.setAspectRatio(disp, float(width) / float(height))
myAnimFrame(disp, widget, width, height, "Animation")
return disp
def histogram(data,
bins=20,
width=400,
height=400,
title="VisAD Histogram",
color=None,
bottom=None,
top=None,
panel=None,
clip=1):
"""
Quick plot of a histogram from <data>. <bins> is the number of bins
to use (def = 20), <panel> is the name of a panel to put this into
(default= make a new one), <color> is the color to use, <width> and
<height> are the dimensions, <title> is the phrase for the title
bar. Returns a reference to the display.
"""
if isinstance(data, PyList) or isinstance(data, PyTuple):
data = field(data)
from java.lang.Math import abs
x = []
y = []
h = hist(data, [0], [bins])
dom = getDomain(h)
d = dom.getSamples()
step2 = dom.getStep() / 2
hmin = h[0].getValue()
hmax = hmin
for i in range(0, len(h)):
hval = h[i].getValue()
if hval < hmin: hmin = hval
if hval > hmax: hmax = hval
for i in range(0, len(h)):
xm = d[0][i] - step2
xp = d[0][i] + step2
x.append(xm)
y.append(hmin)
x.append(xm)
hval = h[i].getValue()
y.append(hval)
x.append(xp)
y.append(hval)
x.append(xp)
y.append(hmin)
domt = domainType(h)
rngt = rangeType(h)
xaxis = ScalarMap(domt[0], Display.XAxis)
yaxis = ScalarMap(rngt, Display.YAxis)
yaxis.setRange(hmin, hmax + abs(hmax * .05))
disp = subs.makeDisplay((xaxis, yaxis))
subs.drawLine(disp, (x, y), mathtype=(domt[0], rngt), color=color)
showAxesScales(disp, 1)
subs.setBoxSize(disp, .65, clip)
subs.setAspectRatio(disp, float(width) / float(height))
subs.showDisplay(disp, width, height, title, bottom, top, panel)
return disp
def mapimage(imagedata,
mapfile="outlsupw",
panel=None,
colortable=None,
width=400,
height=400,
lat=None,
lon=None,
title="VisAD Image and Map"):
"""
Display an image with a basemap. <imagedata> is the image object,
<mapfile> is the name of the map file to use (def = outlsupw).
<panel> is the name of a panel to put this into (default= make a new
one), <colortable> is a color table to use (def = gray scale),
<width> and <height> are the dimensions. <lat> and <lon> are
lists/tuples of the range (min->max) of the domain (def = compute
them). <title> is the phrase for the title bar. Returns a reference
to the display.
"""
rng = RealType.getRealType(rangeType(imagedata, 0))
rngMap = ScalarMap(rng, Display.RGB)
xMap = ScalarMap(RealType.Longitude, Display.XAxis)
yMap = ScalarMap(RealType.Latitude, Display.YAxis)
maps = (xMap, yMap, rngMap)
dom = getDomain(imagedata)
xc = dom.getX()
yc = dom.getY()
xl = len(xc)
yl = len(yc)
if xl > 1024 or yl > 1024:
print "Resampling image from", yl, "x", xl, "to", min(yl,
1024), "x", min(
xl, 1024)
imagedata = resample(
imagedata,
makeDomain(dom.getType(), xc.getFirst(), xc.getLast(),
min(xl,
1024), yc.getFirst(), yc.getLast(), min(yl, 1024)))
if lat is None or lon is None:
c = dom.getCoordinateSystem()
ll = c.toReference(((0, 0, xl, xl), (0, yl, 0, yl)))
import java.lang.Double.NaN as missing
if (min(ll[0]) == missing) or (min(ll[1]) == missing) or (min(
ll[1]) == max(ll[1])) or (min(ll[0]) == max(ll[0])):
# compute delta from mid-point...as an estimate
xl2 = xl / 2.0
yl2 = yl / 2.0
ll2 = c.toReference(((xl2, xl2, xl2, xl2 - 10, xl2 + 10),
(yl2, yl2 - 10, yl2 + 10, yl2, yl2)))
dlon = abs((ll2[1][4] - ll2[1][3]) * xl / 40.) + abs(
(ll2[0][4] - ll2[0][3]) * yl / 40.)
dlat = abs((ll2[0][2] - ll2[0][1]) * yl / 40.) + abs(
(ll2[1][2] - ll2[1][1]) * xl / 40.)
lonmin = max(-180., min(ll2[1][0] - dlon, min(ll[1])))
lonmax = min(360., max(ll2[1][0] + dlon, max(ll[1])))
latmin = max(-90., min(ll2[0][0] - dlat, min(ll[0])))
latmax = min(90., max(ll2[0][0] + dlat, min(ll[0])))
xMap.setRange(lonmin, lonmax)
yMap.setRange(latmin, latmax)
print "computed lat/lon bounds=", latmin, latmax, lonmin, lonmax
else:
xMap.setRange(min(ll[1]), max(ll[1]))
yMap.setRange(min(ll[0]), max(ll[0]))
else:
yMap.setRange(lat[0], lat[1])
xMap.setRange(lon[0], lon[1])
disp = subs.makeDisplay(maps)
if colortable is None:
# make a gray-scale table
gray = []
for i in range(0, 255):
gray.append(float(i) / 255.)
colortable = (gray, gray, gray)
rngMap.getControl().setTable(colortable)
mapdata = load(mapfile)
drm = subs.addData("basemap", mapdata, disp)
dr = subs.addData("addeimage", imagedata, disp)
subs.setBoxSize(disp, .80, clip=1)
subs.setAspectRatio(disp, float(width) / float(height))
subs.showDisplay(disp, width, height, title, None, None, panel)
return disp
Display.Blue), ConstantMap(-.98, Display.ZAxis))
#domain = makeDomain(RealType.Time, date[0].getValue(), date[2].getValue(),3)
domain = makeDomain(RealType.Time, date[0].getValue(), date[9].getValue(), 10)
ftype = FunctionType(RealType.Time, ptdata[0].getType())
field = FieldImpl(ftype, domain)
ftype2 = FunctionType(RealType.Time, img[0].getType())
field2 = FieldImpl(ftype2, domain)
for t in range(10):
field.setSample(t, ptdata[t])
field2.setSample(t, img[t])
constImageMap = (ConstantMap(-1.0, Display.ZAxis), )
imgRange = rangeType(img[0])
rngMap = ScalarMap(imgRange[0], Display.RGB)
disp.addMap(rngMap)
gray = []
for i in xrange(255):
gray.append(float(i) / 255.)
colorTable = (gray, gray, gray)
rngMap.getControl().setTable(colorTable)
addData("winds", field, disp, renderer=BarbRendererJ3D())
addData("basemap", a, disp, constBaseMap)
addData("image", field2, disp, constImageMap, renderer=ImageRendererJ3D())
rw = SelectRangeWidget(maps[6])
aw = AnimationWidget(maps[7], 200)