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Plot the data

The statement in Listing 3 calls the overloaded plotData method to cause all of the pages belonging to the plotting object titled "A" to be stacked in alocation where the upper left corner of the stack is 401 pixels to the right of the upper left corner of the screen.

Listing 3. Plot the data.

As described earlier, page 0 containing the earliest data fed to the plotting object is on the top of the stack. Figure 1 shows the two pages belonging to this plotting object after they have been manually rearranged to make them bothvisible.

Feed and plot the object titled "B"

Listing 4 feeds 2600 random white noise values to the object titled "B" and displays the pages in the default location in the upper left corner of thescreen. Listing 4 also signals the end of the main method.

Listing 4. Feed and plot the object titled "B".
for(int cnt = 0;cnt<2600;cnt++){ plotObjectB.feedData((Math.random() - 0.5)*25); }//end for loopplotObjectB.plotData();}//end main

Listing 4 (plus one of the statements in Listing 1 ) is much more typical of the amount of code required to use this plotting class than was thecase with Listing 2 .

(Almost all of the code in Listing 2 was required to set the special data values used to test the transitions discussed earlier.)

The three steps

To recap, the three steps required to use this class for plotting nearly unlimited amounts of data are:

  1. Instantiate a plotting object of the class named PlotALot01 , as in Listing 1 .
  2. Call the feedData method once for each data value that is to be plotted, as in Listing 4 .
  3. Call the plotData method on the plotting object afterall of the data has been fed to the plotting object, as in Listing 3 or Listing 4 .

Some instance variables

Continuing with the class definition for the class named PlotALot01 , Listing 5 shows several instance variables that belong to a plotting object instantiatedfrom this class.

Listing 5. Some instance variables.
String title; int frameWidth;int frameHeight; int traceSpacing;//pixels between tracesint sampSpacing;//pixels between samples int ovalWidth;//width of sample marking ovalint ovalHeight;//height of sample marking ovalint tracesPerPage; int samplesPerPage;int pageCounter = 0; int sampleCounter = 0;ArrayList<Page>pageLinks = new ArrayList<Page>();

The purpose of each of these instance variables is indicated by the name of the variable, and in some cases by the comments following the variabledeclaration. In addition, I will have more to say about some of these variables later when I discuss the code that uses them.

(Note the use of generics in the declaration and initialization of the variable named pageLinks . The use of generics dictates that this class requires J2SE 5.0 or later.)

The first overloaded constructor

As mentioned earlier, there are two overloaded versions of the constructor for this class. The overloaded version that begins in Listing 6 accepts several incoming parameters allowing the user to control various aspects of the plottingformat.

Questions & Answers

can someone help me with some logarithmic and exponential equations.
Jeffrey Reply
sure. what is your question?
okay, so you have 6 raised to the power of 2. what is that part of your answer
I don't understand what the A with approx sign and the boxed x mean
it think it's written 20/(X-6)^2 so it's 20 divided by X-6 squared
I'm not sure why it wrote it the other way
I got X =-6
ok. so take the square root of both sides, now you have plus or minus the square root of 20= x-6
oops. ignore that.
so you not have an equal sign anywhere in the original equation?
Commplementary angles
Idrissa Reply
im all ears I need to learn
right! what he said ⤴⤴⤴
what is a good calculator for all algebra; would a Casio fx 260 work with all algebra equations? please name the cheapest, thanks.
Kevin Reply
a perfect square v²+2v+_
Dearan Reply
kkk nice
Abdirahman Reply
algebra 2 Inequalities:If equation 2 = 0 it is an open set?
Kim Reply
or infinite solutions?
The answer is neither. The function, 2 = 0 cannot exist. Hence, the function is undefined.
Embra Reply
if |A| not equal to 0 and order of A is n prove that adj (adj A = |A|
Nancy Reply
rolling four fair dice and getting an even number an all four dice
ramon Reply
Kristine 2*2*2=8
Bridget Reply
Differences Between Laspeyres and Paasche Indices
Emedobi Reply
No. 7x -4y is simplified from 4x + (3y + 3x) -7y
Mary Reply
is it 3×y ?
Joan Reply
J, combine like terms 7x-4y
Bridget Reply
im not good at math so would this help me
Rachael Reply
I'm not good at math so would you help me
what is the problem that i will help you to self with?
how do you translate this in Algebraic Expressions
linda Reply
Need to simplify the expresin. 3/7 (x+y)-1/7 (x-1)=
Crystal Reply
. After 3 months on a diet, Lisa had lost 12% of her original weight. She lost 21 pounds. What was Lisa's original weight?
Chris Reply
what's the easiest and fastest way to the synthesize AgNP?
Damian Reply
types of nano material
abeetha Reply
I start with an easy one. carbon nanotubes woven into a long filament like a string
many many of nanotubes
what is the k.e before it land
what is the function of carbon nanotubes?
what is nanomaterials​ and their applications of sensors.
Ramkumar Reply
what is nano technology
Sravani Reply
what is system testing?
preparation of nanomaterial
Victor Reply
Yes, Nanotechnology has a very fast field of applications and their is always something new to do with it...
Himanshu Reply
good afternoon madam
what is system testing
what is the application of nanotechnology?
In this morden time nanotechnology used in many field . 1-Electronics-manufacturad IC ,RAM,MRAM,solar panel etc 2-Helth and Medical-Nanomedicine,Drug Dilivery for cancer treatment etc 3- Atomobile -MEMS, Coating on car etc. and may other field for details you can check at Google
anybody can imagine what will be happen after 100 years from now in nano tech world
after 100 year this will be not nanotechnology maybe this technology name will be change . maybe aftet 100 year . we work on electron lable practically about its properties and behaviour by the different instruments
name doesn't matter , whatever it will be change... I'm taking about effect on circumstances of the microscopic world
how hard could it be to apply nanotechnology against viral infections such HIV or Ebola?
silver nanoparticles could handle the job?
not now but maybe in future only AgNP maybe any other nanomaterials
can nanotechnology change the direction of the face of the world
Prasenjit Reply
At high concentrations (>0.01 M), the relation between absorptivity coefficient and absorbance is no longer linear. This is due to the electrostatic interactions between the quantum dots in close proximity. If the concentration of the solution is high, another effect that is seen is the scattering of light from the large number of quantum dots. This assumption only works at low concentrations of the analyte. Presence of stray light.
Ali Reply
the Beer law works very well for dilute solutions but fails for very high concentrations. why?
bamidele Reply
how did you get the value of 2000N.What calculations are needed to arrive at it
Smarajit Reply
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Source:  OpenStax, Digital signal processing - dsp. OpenStax CNX. Jan 06, 2016 Download for free at https://legacy.cnx.org/content/col11642/1.38
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