Generating random image application

Please someone help me design a program that could generate image randomly.
I have a BIKE and CAR. There are 3 picture in a the BIKE and and 3 in the CAR.
This program probably uses SWING GUI type of programming.
If I run the program, there would be a button of a BIKE and a button for a CAR. If I click the BIKE button, another frame(GUI) will appear.
If I click the CAR button, another frame(GUI) will appear as well.
The Bike and Car frame must be able to show image randomly everytime i click the Bike or Car button.
How do i create this. Pls help.
I would like to know this ASAP. PRONTO. Possibly NOW!

using Math.random()*3, you can assign that to an integer and then perform if-else statements to get 3 different images... You can do so with the car too.. Hope you understand and hope this helps.

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API to generate an image of random letters?

Is there a free Java API for generating those images of random letters used to ensure that a human has submitted a web form?
I know it's not too hard to write from scratch, but I'd like to save myself the work :)

it's called a "captcha", their site (captcha.org or something) will have links to implementations.
or google.. "java captcha implementation" ..

Using a random image generator in a frameset [was: "I'm a photographer, not a web designer!"]

I've been designing my own website for some years now using dreamweaver. I love the ease of use and simplicity it offers, however I know nothing of designing web pages. I know what I want but I just don't exactly always know how to get there. I am currently trying to have a random image generator on my landing page, which is a frameset. I've tried several codes that I've found online and have had no success, at all mind you, with any of them. I'm sure that I am doing something very simple wrong with my design but just can't figure it out. Unfortunately I am a photographer which makes me a visual person, so yes, if you can help me you'll have to draw a picture for me, or at least hold my hand and walk me through the steps. Sorry, I know I'm high maintenance.
My site is all frameset based. I have a 'mainFrame' that all other links in the other frames load to. So I am assuming that my code for the image generator should go in the body of the mainFrame. I have even copied and pasted all the code from some of the help I've found, downloaded a cfm to try, all to no avail. Con someone spell it out for me, or better yet, draw me a picture.
[Subject line edited by moderator for clarity]

My site is all frameset based.
That's a tragedy. Frames, once popular in the 90's are almost never used anymore. In fact, the W3C saw fit to drop frameset support from HTML 5.
Why Frames are Evil: http://apptools.com/rants/framesevil.php
Instead of Frames or Framesets, consider using Templates (DWTs) or Server-Side Includes (SSIs)
Guidance on when to use DW Templates, Library Items and SSIs -
http://www.adobe.com/devnet/dreamweaver/articles/ssi_lbi_template.html
Below are several DHTML image rotation/slideshow scripts. Just pick one and follow the instructions.
http://www.dynamicdrive.com/dynamicindex14/index.html
Good luck,
Nancy O.
Alt-Web Design & Publishing
Web | Graphics | Print | Media Specialists
www.alt-web.com/
www.twitter.com/altweb
www.alt-web.blogspot.com

Hello from a new member and help with random images on refresh

Hi All,
I've just joined the forum. In fact I've really only just started to use Dreamweaver. I've covered a lot of ground in the last few weeks and
have manage to set up a basic site using CSS for layout but now I've hit my first problem.
On the index page of the site - http://www.hcadesign.co.uk/ there is a large main image which I would like to change each time someone
visits the site or hits refresh. I've hunted around and found lots of scripts, all using java, that seem to do just this but I'm not having any
luck getting them to work.
My pages code is as follows -
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
<title>Humphrey Cook Associates - Architects - Interior Designers - Project Managers</title>
<link href="styles/hca_styles.css" rel="stylesheet" type="text/css" media="screen" />
</head>
<body>
<div id="wrapper">
<div id="header"><img src="images/header.gif" width="800" height="100" alt="hca_header" /></div>
<div id="menu">
    <ul>
      <li>About Us</li>
      <li>Residential </li>
      <li>Special Needs Housing</li>
      <li>Hotels</li>
      <li>Conservation</li>
      <li>Interiors</li>
      <li>Offices</li>
      <li>Sustainability</li>
      <li>Commercial</li>
      <li>News</li>
      <li>Contact</li>
    </ul>
</div>
<div id="main_image"><img src="images/haydock_atrium_420x300.jpg" width="420" height="300" alt="haydock_atrium" />
</div>
<div id="menu_right">
    <h3>Latest News</h3>
    <p>Planning permision finally granted for the proposed 'Villa De France'</p>
    <div id="news_image_01">
      <p><img src="images/news_villa_de_france_90x50.jpg" alt="villa_de_france" width="90" height="50" /></p>
    </div>
    <p>Application submitted for new 30 storey hotel with retail in Tower Hamlets</p>
    <div id="news_image_02"><img src="images/news_alie_St_90x50.jpg" width="90" height="50" alt="alie_street" /></div>
</div>
<div id="spacer"></div>
<div id="bottom_left"><img src="images/riba_logo_127x67.gif" width="127" height="67" alt="riba_logo" /></div>
<div id="bottom_thumb_01"><img src="images/thumb_beckton_95x67.jpg" width="95" height="67" alt="beckton" /></div>
<div id="bottom_thumb_02"><img src="images/thumb_edgeworth_link_95x67.jpg" width="95" height="67" alt="edgeworth" /></div>
<div id="bottom_thumb_03"><img src="images/thumb_tov_bathroom_95x67.jpg" width="95" height="67" alt="haydock" /></div>
<div id="bottom_thumb_04"><img src="images/thumb_edgeworth_interiors_portrait_95x67.jpg" width="95" height="67" alt="the_old_vicarage" /></div>
<div id="bottom_right">
<h1>Architects</h1>
<h1>Interior Designers</h1>
<h1>Project Managers</h1>
</div>
<div id="footer"></div>
</div>
</body>
</html>
I've highlighted where the image to be rotated is in red.
The scripts I've found have generally involved putting something in the <head>, something where the image is to be (but I wasn't sure if it should be
within the div tag or after img src or what?) and also a seperate *.js file stored in the root directory.
Anyway I'm not getting anywhere and need some help as I really don't know what I'm doing with javascript.
Cheers

Hi and Welcome to the DW Forums.
For the sake of clarity, Java is not the same thing as JavaScript. 2 entirely different programming languages.
Copy and paste the following code into a new, blank HTML page.
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" />
<title>Random Banner</title>
<script type="text/javascript">

</script>
</head>
<body>
<h1>Random Banner on Page Load.</h1>
<p>The more images you have in your array, the more random it will seem.</p>
<p>Change the URLs from example.com to your your own site pages.</p>
<p>Change path/image to images in your local site folder.</p>
</body>
</html>
Good luck with your project,
Nancy O.
Alt-Web Design & Publishing
Web | Graphics | Print | Media Specialists
http://alt-web.com/
http://twitter.com/altweb
http://alt-web-design.blogspot.com/

Running gif animation and a random image output from an html button, HELP!!

Trying to click (onClick) an animated gif image of an on/off switch to start a second animation which is located on a different location on the web-page (a 7-frame animation of a generator with moving parts) immediately followed by a random image selection function placing an image in a 3rd location on the page (next to the generator image). The random images are supposed to look like the result of the generator animation---the item that “pops out” of the generator.
We thought the process to achieve this would be an “OnClick” on the on/off switch-animated-gif to start two javascript functions (generato animation function & random image function).
To further complicate matters, we are doing this website in iWeb. We’re using iWeb SEO Tool to add the javascript to the header and HTML snippet in iWeb to place the HTML code. Not sure we’re actually doing the snippet right though---is it supposed to relate to the images---or is it separate? When the gifs are place on the iweb page, they work in the browser upon page load---the “on-click” & the random image function are NOT working...so we know we’ve done something(s) wrong.
We’re thinking that we’re probably missing some code that describes where the 3 different image-spots are on the page (image #1 is the on/off switch gif, image#2 is the generator gif, image#3 is the generator output.png)....or just aren’t coding the string of functions correctly---or maybe our strategy for achieving this is just no correct (?).
Here is the code we have tried that didn’t work. We desperately need a solution quickly and are open to any/other ideas for how to accomplish this. THANKS YOU in advance for your help!!!:
script language = JAVASCRIPT>

Random Image Link Script
By Website Abstraction (http://www.wsabstract.com)
and Java-scripts.net (http://www.java-scripts.net)
function random_imglink(){
var myimages=new Array()
//specify random images below. You can have as many as you wish
myimages[1]="christmassweater_GENERATOR_files/cotton_candy_christmassweater.png"
myimages[2]="christmassweater_GENERATOR_files/eiffel_tower_christmassweater.png"
myimages[3]="christmassweater_GENERATOR_files/kitty_litter_christmassweater.png"
myimages[4]="christmassweater_GENERATOR_files/spatula_christmassweater.png"

var ry=Math.floor(Math.random()*myimages.length)
if (ry==0)
ry=1
document.write('<a href=''"'+imagelinks[ry]+'"''>')
random_imglink()
//-->
</script>
<!--the HTML:
<a href="#" onclick="function gif_animation(); function random_imglink();">

What's the URL of your site so we can examine it first hand? When you added the code to your post the servers messed it up and tried to render it on the page. We can get the code if we can get to your site.
OT

How do you generate random data info using json and spry?

I have a mobile applicaton that uses spry datasets that dynamically populate a jquery mobile listview by using a json file. Everything is operating as it should.
However, I would like to understand how to pull random objects from the json file to have them displayed on a different page.
My json file is standard and not complicated. It has several levels. Each is represented as below:
                              { "Level1":
                                                            {"imageurl":"images/_myimage.png",
                                                            "someData":"S,A,P,R",
                                                            "levelLongDesc":"further description",
                                                            "name": "John Doe",
                                                            "page": "referencepage",
                                                            "description":"The description of the image"
{"imageurl":"images/_myimage.png",
"someData":"S,A,P,R",
"levelLongDesc":"further description",
"name": "John Doe",
"page": "referencepage",
"description":"The description of the image"
Json file Level1 has about 70 objects
What I would like to do is randomly load one of the Level1 object arrays into the page when the user selects a Level 1 radio button that is on the screen. I know how to create the page, radio buttons and basics, but just don't know how to pull in the random data.
I've found one code sample on this site that speaks to spry and xml, but I haven't been able to apply it in any way that works for me with the json file:
http://forums.adobe.com/message/662551
I've also googled. There isn't much on spry datasets with json and generating random info. There was a little bit on sorting, but that didn't help either.
Does anyone have a good example/tutorial of how to use the random function with spry/json?
TIA
-Rachel

I've done similar things before. A few thoughts for you:
1. I'm assuming you're doing a buffered period or frequency measurement on the incoming encoder pulses, right? First key point is that you'll have data that is spaced equally in position, but not equally in time. If you are looking for a time-based FFT such that increasing speed will shift your spectrum, you're going to need to go through an interpolation process to resample your data as though equally-spaced in in time.
2. Your 149 pulse per rev encoder may be a significant source of error unless its 149 pulses are placed with extreme accuracy. Any error in pulse placement violates your underlying assumption of data that is equally-spaced in position. It'll be very helpful to send your data through a software lowpass filter to attenuate those artifacts.
3. I am not sure what you mean by "decompose the buffered data (array) into a single datastream." You'll get an array of periods / frequencies from the call to DAQmx Read. If you want to use it in a LabVIEW waveform datatype, you'll first need to do the resampling to create equally-spaced-in-time data. The LabVIEW waveform datatype (and all the analysis functions like FFT that use it) depend on receiving data with a fixed constant time interval between samples.
-Kevin P.

Randomizing image/text on refresh

Hello. I'm new...quite new to DW and web work, but have a small, general understanding of it. I'm an animator and am in the midst of creating my own portfolio site. I don't understand code, at least uber-extreme code. I'm attempting to have specific quotes on my homepage from clients and would like to have them change, or have a new text/quote appear on refresh or upon a new visit to the site (just so it's not the same one everytime).
Would I need to just render out a .swf file in AE or is there a means of doing this within DW w/o using crazy code? Thanks in advance, Andy

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It's quote easy to do with something like PHP, for example, by declaring a random variable in the page, e.g.,
<?php
$imageVar = rand(1,5) /* this will generate a random number between 1 and 5 */
?>
and then using that random variable in the image's source attribute -
<img src="images/random/image<?php echo $imageVar; ?>.jpg" />
If you are getting the idea that you will have to come to grips with code sooner rather than later, then you are on the right track. DW is very punishing to those who won't take the time to learn the underlying technologies....
If you Google "random image" and "Dreamweaver" you may also be able to find extensions that do the same thing for you (in JavaScript). I would recommend that you visit http://www.projectseven.com and search there - I do know that they have such a thing, and can wholeheartedly endorse their products as being the best of show....

PHP random image

Hello everyone,
Im trying to use (for the first time) random images generated
by PHP. I
installed a Technorama extension and then followed thru the
steps to place a
random image in the page, but there is nothing there when I
browse the page.
Please forgive my ignorance, but I have never done any php
stuff before.
And yes, the files are uploaded to my server. (which does
have php enabled).
The practice page I am using is
www.fionahayward.com/interiordesign/practice.php
I have the effect working with javascript on this page
www.fionahayward.com/interiordesign but am trying to use php
incase people
have javascript turned off.
Maybe its something to do with how Ive set up Server
Behaviours or something
(only guessing)
Thanks for listening
Fiona

1) create a php file named rotate.php in the folder where the
images are.
2) paste this code (between the [code ] and [/code]
markers... into that file and save it.
[code]
<?php
$folder = '.';
$extList = array();
$extList['gif'] = 'image/gif';
$extList['jpg'] = 'image/jpeg';
$extList['jpeg'] = 'image/jpeg';
$extList['png'] = 'image/png';
// --------------------- END CONFIGURATION
$img = null;
if (substr($folder,-1) != '/') {
$folder = $folder.'/';
if (isset($_GET['img'])) {
$imageInfo = pathinfo($_GET['img']);
if (
isset( $extList[ strtolower( $imageInfo['extension'] ) ] )
file_exists( $folder.$imageInfo['basename'] )
$img = $folder.$imageInfo['basename'];
} else {
$fileList = array();
$handle = opendir($folder);
while ( false !== ( $file = readdir($handle) ) ) {
$file_info = pathinfo($file);
if (
isset( $extList[ strtolower( $file_info['extension'] ) ] )
$fileList[] = $file;
closedir($handle);
if (count($fileList) > 0) {
$imageNumber = time() % count($fileList);
$img = $folder.$fileList[$imageNumber];
if ($img!=null) {
$imageInfo = pathinfo($img);
$contentType = 'Content-type: '.$extList[
$imageInfo['extension'] ];
header ($contentType);
readfile($img);
} else {
if ( function_exists('imagecreate') ) {
header ("Content-type: image/png");
$im = @imagecreate (100, 100)
or die ("Cannot initialize new GD image stream");
$background_color = imagecolorallocate ($im, 255, 255, 255);
$text_color = imagecolorallocate ($im, 0,0,0);
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imagepng ($im);
imagedestroy($im);
?>
[/code]
4) in whichever file you want the random images to appear,
reference the image so:
src="path/to/that/image/folder/rotate.php"
I tend to use root-relative pathing, but that part is up to
you.
NOTE: I've found that random image references are quirky in
IE browsers - they seem to want the image width and height to
display images that are dynamically selected... I've used this
script to display images that are all the same size and groups that
aren't. When the image size is unknown, I use width:100%
height:100% in my css)
email me if you have any issues with using the script. I use
it a lot with WordPress sites, but it isn't a WP only solution.
syncbox AT gmail DOT com (do the obvious)
HTH

PHP Random Image extension

I am trying to use the PHP random image generator but I don't
know where to specify the size I want all the pictures to come up
in the code. I created a "php" test page and inserted said code
where I want the images to display but they are too large and throw
the entire page off. Is there a way to tell it that all pictures
should be called up at 240(width) x 350(height)? Any help would be
greatly appreciated. The reason I am doing this is because there
are about 200 images (of students) in this folder and coding each
picture seperately is too time consuming.
Regards,
RM (using DW MX2004)

Disregard....I figured it out. As it turns out the best
solution would be to have your original pictures saved with the
desired dimensions. I was able to point the PHP to a directory that
contained pictures with said dimensions and it worked like a charm.
regards.

A random image script

hi all :)
i want to create a random card picker and this script works great for me. but how can i add clickable links to cards after they are generated randomly? i want the new image generated in the same place where 0.jpg is when button is clicked exactly like in the script, but with a clickable link on it.
thanks in advance :)
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</script>
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Java is not the same as JavaScript.
Try posting your question in a [JavaScript forum|http://www.google.com/search?q=javascript+forum].

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This might help - I had to go through this quite carefully before I understood it - the ab
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var orgArr:Array = [1,2,3,4,5];
trace("original numbers = "+orgArr);
//The function that shuffles the numbers. the argument passed (in parenthesis) is the array of ascending numbers (orgArr) it is named 'inArr' for use by the function, but it is exactly the same array
function shuffle(inArr:Array) {
//creates numeric variable that is the length of the original array
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//a loop that runs through each element in the array starting at the highest position down to zero
    for (var i:Number = arrLen; i>=0; i--) {
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        //swaps array slot i with data from random position in the same array
        inArr[i] = inArr[rndNum];
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        inArr[rndNum] = arrData;
shuffle(orgArr);
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Thanks for that code Kglad - a neat solution and much simpler that the code I wrote to do the same thing.

Generate random number and letter in a text field ...

Hi All,
I having a bit trouble when trying to generate random number and letter in application express in a text field. Say I have a licence form and when user wants to create a licence, it will provide a random licence number in the licence number field but it has to be unique. the number should be something like HQ2345. I was trying to set the following sql in default value for that text field but it is not working -
select DBMS_RANDOM.STRING('',2) || trunc(DBMS_RANDOM.VALUE(1000,9999))
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thanks

Put this as default value for your text-item
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DickDral

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open randomImage
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TIA

I tried using the following code, but it�din�t work.
<%@ page import="java.io.*" %>
<%
// File (or directory) to be moved
File file = new File("banner2.bmp");
// Destination directory
File dir = new File("banner");
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boolean success = file.renameTo(new File(dir, file.getName()));
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Generating an image to be displayed by Apex

Hi,
Does anyone have some experience or ideas as to how to generate an image based on data within an Apex application and then render it back within the Apex application?
Assuming that the program has access to the database:
1. what is the best way to execute the program
2. where does the program place the image so that the client-browser can pick it up? I cannot seem to locate the document root for Apex.
Thanks all!

Nothing so complicated! I used an external table to trigger a script that generated svg data from the database data. Then in an HTML Apex region, I looped through the data with a cursor and htp.p'd each line.
My other solution was to have the script generate an image file that I subsequently uploaded into Apex for rendering but that didn't feel like a good multi-user solution.
I will probably end up looking at one of your options too because I now need to parameterize and filter the data.
Edited by: MWT on May 20, 2013 7:58 PM

Series of random image?

hi everyone. i got a table with 4 images, when the browser refreshes all 4 images should change randomly. the first image works fine, just as i want it to, but the other 3 images just show the 'ghost' holding image. find my page here; http://www.chewingconcrete.com/randomimages/blank.html
any help would be great.

Hi
You will have to use the maths function to generate a new array of your images every time.
To give you an idea of what is required, check the code at this page - http://javascript.internet.com/miscellaneous/random-image-rotator.html
you can modify the code as required.
PZ

Generating random image application

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