The (JES)Jython Environment for Students is a full-featured media computation environment for programming in Jython. It includes facilities for programming, debugging, and media examination. JES also comes with an extensive multimedia API, enabling easy and rapid manipulations of sounds, images, and on some platforms, video.
Questions tagged [jes]
177 questions
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Splitting an image into 4 pieces using python JES
How do I split an image in JES? I am a new IT student and i just need a guide how to go about it, I have tried def splitImage(filename):
and I loaded the program but its coming up with an invalid syntax. I am not sure what am doing wrong

Edog
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1
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1 answer
Pixel movement and loops Python
We are using JES in my intro programming class and I have run into roadblock for my lab. The program is supposed to allow a user to select a picture and then a moth(bug) will start at the center of the picture and make random movements and change…

Garrett
- 13
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1 answer
How do you add a swirl to an image (image distortion)?
I was trying to figure out how to make a swirl in the photo, tried looking everywhere for what exactly you do to the pixels. I was talking with a friend and we kinda talked about using sine functions for the redirection of pixels?

beeroverflow
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1 answer
How to make empty canvas in JES/Python
Create an empty picture with dimensions 350x350
I came up with this:
def makeNewCanvas():
canvas = makeEmptyPicture(350, 350)
it does nothing please help

James Angele
- 13
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1
vote
1 answer
Cropping an image in JES (Python)
So I'm really new to this Python thing and I'm using JES and trying to figure out how to crop an image. I keep getting an error that "show (croppedPicture)" is invalid and I could use any help I can get at this point. This is my code so far:
def…

Kinsey Doerr
- 11
- 2
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0 answers
Using printNow to show multiple variables on a single line
So I've been able to get printNow to show a single variable in a line but I need to display two in a single line, using the printNow feature (which I need to use over just the standard print feature). I can only get it to display one. I did a search…

Countach
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Jes: My bar chart is upside down (beginner)
My current code is
def drawBarChart(b1, b2, b3):
x = 300
y = 320
if b1 > y:
y = b1 + 100
if b2 > y:
y = b2 + 100
if b3 > y:
y = b3 + 100
pic1 = makeEmptyPicture(x, y)
bar(pic1, 60, b1, 40, red)
bar(pic1, 140, b2, 40,…

Austin
- 29
- 3
1
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2 answers
combining two images, multiplying RGB values to vignette an image Jython/Python
https://i.stack.imgur.com/AAtUD.jpg
https://i.stack.imgur.com/eouLY.jpg
images to use for code.
the end result i am trying to do is combine the vignette picture and the CGI picture because the vignette images RGB values are darker towards the…

Master_Cdawgg
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- 6
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1 answer
Jython JES: Changing brightness of image won't work
can anyone help me out here?
I'm new to Jython/Python (coding in general) and I'm currently using the library that is included into this program called JES which allows me to alter images easily etc.
So I'm try to alter this images brightness by…

james
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- 6
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1 answer
Drawing opposite lines in JES (Python)
So I have a random point on a canvas that will draw a line to a random point along a line across the bottom of the canvas. From that random point along the bottom of the canvas, I want to draw a line that diverges in the opposite direction (think of…

user2942337
- 39
- 3
1
vote
1 answer
JES: Implementing modification code to a Loop
I am using JES and am wondering what built in function I should use to make this effect work.
newG=(oldG+(abs(x*y*2.57901)%64))%256
So far I have this code
def forLoop():
picture = makeEmptyPicture(300,200)
show(picture)
for p in…
user3428382
1
vote
1 answer
Jython (JES) - 90 degree rotation function
I need to write a function spin(pic,x) where it will take a picture and rotate it 90 degrees counter clockwise X amount of times. I have just the 90 degree clockwise rotation in a function:
def rotate(pic):
width = getWidth(pic)
height =…

user2917962
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- 3
1
vote
2 answers
Scaling Part of a Picture
I want to scale up a part of a picture, in this example, a nose.
I have a function to select the part of the picture I want to enlarge.
def copyAndPaste(picture):
height = getHeight(picture)
width = getWidth(picture)
newPicture =…
user3956566
1
vote
1 answer
Saving a movie generated with Jython/JES on local disk
I made an autogenerated movie clip using JES (Jython Environment for Students).
I can play it without any problem using playMovie(), but I can't figure out how to have it saved physically on disk.
The full script is located here.
...
movie =…

Gauthier Boaglio
- 10,054
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1 answer
Can makeQuicktimeMovie be used for png file?
I am using JES, and have my png files ready to makeQuicktimeMovie.
I can't find anywhere, can I use png files?
The JES function as follows:
def makeQuicktimeMovie():
file = pickAFile()
myMovie = makeMovieFromInitialFile(file)
…
user3956566