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X,Y Plot Tool

Opening the Plotter

using InteractiveGMT, GMT

# Simple plot
t = 0:0.1:10
y = sin.(t)
fig = xyplot([t y])

# From GMTdataset
D = gmtread("data.txt")
fig = xyplot(D)

# Multiple series
D1 = gmtread("series1.txt")
D2 = gmtread("series2.txt")
fig = xyplot([D1, D2])

Adding Series

add!(fig, more_data; label="Series 2", linestyle="--")

Clearing

clear!(fig)

Time Series

X-axis auto-formats as dates/times when X contains epoch seconds:

t = time() .+ (0:3600)  # Next hour
y = rand(length(t))
fig = xyplot([t y]; xtime=true)

Or use the function:

xtime!(fig, true)

Log Axes

# Log X
fig = xyplot(data; xscale=:log)

# Log Y
fig = xyplot(data; yscale=:log)

# Both
fig = xyplot(data; xscale=:log, yscale=:log)

Or use:

logscale!(fig, :x)  # or :y, :xy

Stick Diagrams

Vector diagrams:

# Vector components
t = 0:0.1:10
u = cos.(t)
v = sin.(t)
fig = stickplot(t, u, v)

# Azimuth + magnitude
az = rand(360)
mag = rand(360)
fig = stickplot(1:360, az; mag=mag)

Analysis

The Analysis menu provides data transforms:

  • Remove Mean
  • Remove Trend
  • 1st/2nd Derivative
  • FFT Amplitude / PSD
  • Autocorrelation
  • Polynomial Fit
  • Savitzky-Golay Smoothing
  • Butterworth Filter
  • Filter Outliers

Select a series first, then choose an analysis.

Pages

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