How would you generate moving tv static - white noise?

Hey guys and gals - been searching, but with no success, to try and find out the best way to make moving white noise / tv static.
Anyone got any suggestions at all?
thanks in advance
Allen

I did this once using the gradient colorize filter over a video set to +50 repeats on a grayscale gradient. Then I just added a "TV static" noise I found on google. With this filter, you can even "morph" a video from full static to a clean image, giving kind of a cool poltergiest effect.

Similar Messages

How Do I generate a Filtered gaussian white noise

Can someone please help me on how I can generate filtered gaussian white noise in LabVIEW.

Actually in the moment you specify a sample rate for your Gaussian white noise data you apply a filter equal to F_sample/2. But anyway If you want to have 10 seconds with white noise sampled with Y Hz in sample frequency. Then you create an white noise array, with 10xY samples or elements. Then you apply your filter
Besides which, my opinion is that Express VIs Carthage must be destroyed deleted
(Sorry no Labview "brag list" so far)

Using XSQL - how would you generate attributes

The notion of generating XML from relational databases does not appear to distinguish between attributes of a node and children of the node.
For example,
Is there a way of generating an XML document as follows:
<EMP age="50" height="5.6" weight="120">
<LAST NAME>
Tiger
</LAST NAME>
<FIRST NAME>
Scott
</FIRST NAME>
</EMP>
from a relational database ? As far as I can see, the attributes of the <EMP> tag and the children tags under <EMP> would both be modeled as columns of the EMP table.
Can anyone suggest a way of doing this?
Any ideas will be appreciated....
Madhu
null

Our canonical form prefers elements because in Oracle any column could have a user-defined structured type. Using elements allows a uniform style that easily extended to nested content.
You'll have to use an XSLT transformation to achieve an attribute-based result.

Im wondering how would you do a scrolling page over a static background?

I watched this and its great https://www.youtube.com/watch?v=qRC5-GKYa_Q but im wondering how would you do this over a static background?

Hi Paul,
This is done using Parallax Scrolling. Static back ground should not be a problem in achieving this. Please try it and let us know if you face any issue.
Regards,
Aish

How would you write a "wildcard" in a filefilter?

How would you go about to have a wildcard instead of the "*" in the following filefilter;
          File[] files = new File("./resultat/resultat_" + "*" + "_" + index[0]).listFiles (new FileFilter () {
                public boolean accept (File file) {
                    return ! file.isDirectory ();
          });All help appriciated
- Karl XII

Shouldn't "a*" accept all files that begins with "a" and ends with whatever?No. "*" in regexp is a not a wildcard match. Instead it matches one or more instances of the preceeding
value.
Therefore "a*" will match "a", "aa", "aaa", "aaaa" etc but will not match anything which does not end in
an "a".
The following might help you out. (not the most elegent expression but it will do
import java.util.regex.*;
public class RegExp{
public static void main(String[] args) {
Pattern p = Pattern.compile("a*b");
Matcher m = p.matcher("aaaab");
System.out.println(m.matches());
// interesting bit here
// match one or more occurances of any characters in the ASCII charset (the \\p{ASCII}* bit
p = Pattern.compile("hello_\\p{ASCII}*_b");
m = p.matcher("hello_wibble_b");
System.out.println(m.matches());
}

How would you split a 10 GB root partition? Would you?

The system seems to be booting a little slow lately (been using Arch for more than a year now) and I was thinking of splitting the root partition to improve performance.
Right now the entire OS is on a single partition. I don't have a /home partition but I can see it's usefulness:
- files on /home are, in general, more frequently written (browser cache especially), which means less fragmentation for the root partition
- having a noexec flag for /home so no potentially dangerous software will run from there (and why would you need to run software from /home?)
- my /var folder takes up 102 MB, 9.706 files in 4.846 folders. Is there a filesystem that will deal well with many small files ? ReiserFS maybe ?
So how would you split (gigabyte-wise) a 10 GB partition into /, /home and /var ? And would you ? I've been told from the IRC channel that it makes zero sense. At least not for desktop use.
PS: I'm also switching from i686 to x86_64, so please take that into account as well. For instance I noticed that 64 bit software usually takes up more space than 32 bit.
Last edited by DSpider (2011-05-29 11:32:04)

Here is what's happening on my Arch box:
. 2,1TiB [##########] /mnt
. 61,0GiB [ ] /home
5,2GiB [ ] /usr
. 2,9GiB [ ] /var
126,0MiB [ ] /opt
83,1MiB [ ] /lib
. 14,1MiB [ ] /boot
10,0MiB [ ] /sbin
. 7,3MiB [ ] /etc
5,3MiB [ ] /bin
. 3,0MiB [ ] /tmp
192,0kiB [ ] /run
20,0kiB [ ] /srv
! 16,0kiB [ ] /lost+found
4,0kiB [ ] /dev
4,0kiB [ ] /lib64
! 4,0kiB [ ] /root
. 0,0 B [ ] /proc
0,0 B [ ] /sys
< 0,0 B [ ] /media
Generated with ncdu.
I have big stuff installed like a full texlive and libreoffice and I never clean my package cache. This is /var:
. 2,6GiB [##########] /cache
. 153,2MiB [ ] /lib
57,1MiB [ ] /abs
. 31,3MiB [ ] /log
7,4MiB [ ] /tmp
. 592,0kiB [ ] /spool
. 132,0kiB [ ] /run
8,0kiB [ ] /lock
e 4,0kiB [ ] /opt
e 4,0kiB [ ] /local
e 4,0kiB [ ] /games
! 4,0kiB [ ] /enigma
4,0kiB [ ] /empty
@ 0,0 B [ ] mail
And this is /var/cache
2,6GiB [##########] /pacman
10,9MiB [ ] /pkgtools
3,0MiB [ ] /man
320,0kiB [ ] /cups
280,0kiB [ ] /fontconfig
252,0kiB [ ] /samba
! 4,0kiB [ ] /ldconfig
e 4,0kiB [ ] /hald
/usr
2,8GiB [##########] /share
1,7GiB [###### ] /lib
415,2MiB [# ] /bin
153,9MiB [ ] /include
149,8MiB [ ] /lib32
15,3MiB [ ] /src
13,7MiB [ ] /sbin
104,0kiB [ ] /local
I think I have a very typical desktop here: Mostly web/office stuff and some multimedia.

How would you read in each line of data and display them to message box?

How would you read in each line of data from the _.txt file_ and display the whole data using an information-type message box?
I know how to display each line of the .txt file data, but I do not know how to display the whole thing.
Here is how I did to display each line of data using the message box:
import javax.swing.JOptionPane;          // Needed for the JOptionPane class
import java.io.*;                         // Needed for file classes
public class problem3
     public static void main(String[] args) throws IOException
          String filename;          // Needed to read the file
          String categories;          // Needed to read the categories
          // Get the filename.
          filename = JOptionPane.showInputDialog("Enter the filname.");
          // Open the file.
          FileReader freader = new FileReader(filename);
          BufferedReader inputFile = new BufferedReader(freader);
          // Read the categories from the file.
          categories = inputFile.readLine();
          // If a category was read, display it and
          // read the remainig categories.
          while(categories != null)
               // Display the last category read.
               JOptionPane.showMessageDialog(categories);
               // Read the next category.
               categories = inputFile.readLine();
          // Close the file.
          inputFile.close();
}I think I need to change here:
// If a category was read, display it and
          // read the remainig categories.
          while(categories != null)
               // Display the last category read.
               JOptionPane.showMessageDialog(categories);
               // Read the next category.
               categories = inputFile.readLine();
          }but I don't know how to.
Could you please help me?
Thank you.

kyorochan wrote:
jverd wrote:
What is not understood about your question is which part of "read a bunch of lines and display them in a textbox" do you not understand.
First thing's first though: You do recognize that "read a bunch of lines and display them in a textbox" has a few distinct and completely independent parts, right?I'm sorry. I'm not good at English, so I do not understand what you said...
What I was trying to say is "How to display the whole lines of .txt file in single dialog box."We know that.
Do you understand that any problem can be broken down into smaller pieces?
Do you understand that your problem has the following pieces?
1. Read lines from the file.
2. Put the lines together into one String.
3. Put the String into the message box.
and maybe
4. Make sure the message box contents are split into lines exactly as the file was.
(You didn't make it clear if that last one is a requirement.)
Do you understand that 1-4 are completely independent problems and can be solved separately from each other?
Do you understand that you have stated that you already know how to do 1 and 3?
Therefore, you are NOT asking "How to display the whole lines of .txt file in single dialog box." Rather, you ARE asking either #2 or #4 or both.
If you say once more "display all the lines of the file in one dialog box," then it is clear that we are unable to communicate with you and we cannot help you.

How do you generate an executable in LabVIEW 8.6?

How do you generate an executable in LabVIEW 8.6? A point to a web site would be helpful.
Thanks in advance.

In version 8.0 and above you must create a LV project first. Once
you have created a project you can right click on build specifications
located at the bottom of the project window. Select
new>>application. This will allow you to create the exe. If you
want to create an installer then you must follow the same process.
They are now separate.
To find more information goto
the help menu in a LV window and select "search the LabVIEW help" When
the window pops up select the index tab and type the following:
"building, applications (how-to)" This should give you the information
you need.
Hope this helps.
BJD1613
Lead Test Tools Development Engineer
Philips Respironics
Certified LV Architect / Instructor

How would you realize a "blinking"-Effect

The question narrows down to : Which is the best solution to trigger each 0,5 seconds an event (on the JavaFX thread) ?
I could do this with a TimelineAnimation or with a Task<Void>, the problem withthe Task is that I have to update the UI with Platform.runLater() each time which is an impact on the overall perfomance. On the otherhand the TimerLineAnimation is useful to update a property and I do not think that it is the approriate method to realize a blink effect.
How would you do this ?
E.G. I have a circle. This shape is supposed to change its Color every 0,5 seconds (And there can be many of this circles..)

I would use some kind of Transition, not because of any performance consideration but merely because it will keep your code cleaner. Used properly, a Task with Platform.runLater(...) to update the UI will be as efficient as anything else, but it can be a bit tricky to get it right (and using Transitions, you delegate the job of getting the code right to the JavaFX team, who are probably better at this kind of thing than either you or I).
The Timeline will actually animate the transition between property values. Almost anything you want to do can be expressed as a change in property; your example of changing the color of a Circle simply involves changing the value of the fillProperty. So using a Timeline will fade one color into another.
If you want a "traditional" blink, you could two PauseTransitions with the onFinished event set to change the color.
This compares the two approaches:
import javafx.animation.Animation;
import javafx.animation.KeyFrame;
import javafx.animation.KeyValue;
import javafx.animation.PauseTransition;
import javafx.animation.SequentialTransition;
import javafx.animation.Timeline;
import javafx.application.Application;
import javafx.beans.property.ObjectProperty;
import javafx.beans.property.SimpleObjectProperty;
import javafx.event.ActionEvent;
import javafx.event.EventHandler;
import javafx.scene.Group;
import javafx.scene.Scene;
import javafx.scene.layout.HBox;
import javafx.scene.paint.Color;
import javafx.scene.paint.Paint;
import javafx.scene.shape.Circle;
import javafx.stage.Stage;
import javafx.util.Duration;
public class BlinkingCircles extends Application {
 @Override
 public void start(Stage primaryStage) {
 final HBox root = new HBox();
 final Group faders = new Group();
 final Color blue = new Color(0, 0, 1.0, 0.3);
 final Color red = new Color(1.0, 0, 0, 0.3);
 final ObjectProperty<Paint> colorFader = new SimpleObjectProperty<Paint>(blue);
 for (int i=0; i<20; i++) {
 faders.getChildren().add(createCircle(colorFader));
 KeyValue blueKV = new KeyValue(colorFader, blue);
 KeyValue redKV = new KeyValue(colorFader, red);
 KeyFrame blueKF = new KeyFrame(new Duration(1000), blueKV);
 KeyFrame redKF = new KeyFrame(new Duration(500), redKV);
 Timeline fadeTimeline = new Timeline(redKF, blueKF);
 fadeTimeline.setCycleCount(Animation.INDEFINITE);
 fadeTimeline.play();
 final Group blinkers = new Group();
 final ObjectProperty<Paint> colorBlinker = new SimpleObjectProperty<Paint>(blue);
 for (int i=0; i<20; i++) {
 blinkers.getChildren().add(createCircle(colorBlinker));
 PauseTransition changeToRed = createPauseTransition(colorBlinker, red);
 PauseTransition changeToBlue = createPauseTransition(colorBlinker, blue);
 SequentialTransition blinkTransition = new SequentialTransition(changeToRed, changeToBlue);
 blinkTransition.setCycleCount(Animation.INDEFINITE);
 blinkTransition.play();
 root.getChildren().addAll(faders, blinkers);
 Scene scene = new Scene(root, 640, 400);
 primaryStage.setScene(scene);
 primaryStage.show();
 private Circle createCircle(ObjectProperty<Paint> color) {
 Circle c = new Circle(Math.random()*300, Math.random()*300, 20);
 c.fillProperty().bind(color);
 c.setStroke(Color.BLACK);
 return c ;
 private PauseTransition createPauseTransition(final ObjectProperty<Paint> colorBlinker, final Color color) {
 PauseTransition changeColor = new PauseTransition(new Duration(500));
 changeColor.setOnFinished(new EventHandler<ActionEvent>() {
 @Override
 public void handle(ActionEvent evt) {
 colorBlinker.set(color);
 return changeColor ;
 public static void main(String[] args) {
 launch(args);
}

How would you make an effect like this?

Hi! I'm new to the forums, but hopefully it's ok if I start this new discussion. I'm very new to Photoshop as well (newbie).
Here is the image: http://sffbookreview.files.wordpress.com/2012/10/life-of-pi-banner.png
How would you make the image on the right - with the watercolor painting crop effect of the tiger? Also, how would you make the font on the left gradually turn to orange?
Thanks! Your help is much appreciated.

Hi there,
Here's a really quick tutorial on how to add the mask and gradient text over the image of a tiger.
Masking the Image
1) Open your image of the tiger. There should be two layers in your layers panel: the image and a white background.
2) With the tiger layer selected, click on the icon marked below in the layers panel to create a layer mask.
3) Being sure you have the mask you just created selected, paint with black using the brush tool to mask out the image. In your layers panel, if you look at the mask icon, you will see the areas where you were painting (on the canvas) change to black. Use a variety of brushes to recreate the effect in your example image.
Creating Text with a Gradient Effect
1) Use the Type Tool to create your basic text and reposition it on the page with the Move Tool.
2) In the layers panel, control click on the type layer and select Blending Options.
3) In the dialog box that opens, check the Gradient Overlay box and click on the "gradient overlay" text to move to the gradient options. Adjust the angle of the gradient, then click on the colored bar to select the colors you want. Click OK on each dialog to close them.
Final result:
I hope this helps, and please let me know if you need any more assistance.

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In Security, clicking on the "Saved Password" button displays your current saved password for each site. It only allows you to view and delete site passwords. It does not allow you to change a password. How would you do that?

If you enter a new password Firefox should offer to change the password.
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**http://kb.mozillazine.org/Deleting_autocomplete_entries
*If you delete the old password, you may need to "Refresh" the site after deleting the old password.
If you want to delete the password that has been saved do the following:
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#Go to the Security panel
#Click the "Saved Passwords" button to open the passwords manager
#Select the site in the list, then click Remove
 
 
'''You need to update the following.''' The Plugin version(s) shown below was/were submitted with your question and is/are out of date. You should update to avoid known security issues with the version(s) you have installed. Click on "More system info..." to the right of your question to see what was included with your question.
*Adobe PDF Plug-In For Firefox and Netscape 8.3.0 (''Note: this is a very old version and installing the current version may not delete it or overwrite it. To avoid possible problems with having 2 versions installed on your system, you may want to remove the old version in Windows Control Panel > Add or Remove Programs before installing the new version'').
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*Next Generation Java Plug-in 1.6.0_24 for Mozilla browsers
#'''''Check your plugin versions''''' on either of the following links':
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#*https://www-trunk.stage.mozilla.com/en-US/plugincheck/
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#*There are plugin specific testing links available from this page:
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How would YOU retype these old XM08 types for use in an ABAP OO method?

The XM08 function group has the following type declarations:
TYPES: BEGIN OF mmcr_drseg_co.
        INCLUDE STRUCTURE cobl_mrm_d.
TYPES: cr LIKE drseg_cr    OCCURS 0,
       unpl_refwr TYPE refwr,
       END OF mmcr_drseg_co.
TYPES: mmcr_tdrseg TYPE mmcr_drseg OCCURS 0,
TYPES: BEGIN OF mmcr_drseg.
        INCLUDE STRUCTURE drseg.
TYPES: cr LIKE drseg_cr OCCURS 0,
       co TYPE mmcr_drseg_co OCCURS 0,
       sm LIKE drseg_sm OCCURS 0,
       charact TYPE rbcharact_instance OCCURS 3,
                                       "instances of characteristics
       uebgmat TYPE matnr,
       uebrblgp TYPE rblgp,
       selkz_db TYPE selkz,
       rblgp_old TYPE rblgp,           "rblgp before aggregation
       END OF mmcr_drseg.
How would YOU redeclare these types so that they work in an ABAP Objects class?
Some of the "fixes" are easy, like replacing "LIKE" with "TYPE:".
But what about the "INCLUDE STRUCTURE" and the "occurs 0" specifications?
The reason I'm asking this is that I have to call a method from ZXM08U16 and I'd like to be able to pass this method exactly what XXM08U16 gets from SAP, i.e. the table E_TDRSEG of type MMCR_TDRSEG

David,
I wonder it can be directly in ABAP (I would like to hear opinions from others as well!), I needed to use Data Dictionary as well:
TYPES: BEGIN OF mmcr_drseg_co.
        INCLUDE STRUCTURE cobl_mrm_d.
TYPES: cr TYPE z_tt_drseg_cr,
       unpl_refwr TYPE refwr,
       END OF mmcr_drseg_co.
z_tt_drseg_cr is a table type created in SE11, based on structure drseg_cr.
the way to create internal table and work area, based on the above:
DATA : gt_... TYPE TABLE OF mmcr_drseg_co.
DATA : gw_... TYPE mmcr_drseg_co.
hope this helps some
ec
UPDATE : Rich is right, it is possible to do it only in ABAP with the DEFAULT KEY addition.

Disable the pop-up message box "How would you like to open this file" to open pdf file??

Hi,
is there any way i can stop the pop-up box displaying to open pdf file in sharepoint document library? Right now whenever i am trying to open pdf file, asking "how would you like to open" Read only or edit mode. currently MIME Type is setup
but still pop-up message box.
Thanks in advanced!

Hi ,
As far as I know, This is a default feature. and is not recommended to delete or deactivate this pop up.
This is a feature of office and there is a dll called owssupp.dll which is responsible for getting the popup to open.
You can go to IE tools> addon settings and deactivate the above dll (sharepoint open document class). But if you do so, then the other office office files which are word/excel/pptx etc.. would aslo gets affected and they also wont get the popup.
Hope this helps.
Best Regards, Ashok Yadala

How would you pass more than 255 args?

I have an SFTP program that currently is only passed a single file. I am modifying it so that it will loop though an array of files to simulate an mput command. Originally I was just going to call the program with each file to be transferred as an argument but noticed the 255 argument limit. I am looking at potentially having 1500 - 2000 files to transfer at one time. I am just looking for advice on how this should be designed. One idea that was forwarded to me was to just create a listing of the files on the server and use that list file as my argument. Would this be the best approach for this issue?

sdhalepaska wrote:
georgemc wrote:
sdhalepaska wrote:
georgemc wrote:
sdhalepaska wrote:
georgemc wrote:
I see no reason why you need an argument for every file.I would not necessarily need one for every file. Prior to our needing to use this for multiple files, it was easy enough to pass in one file as an argument. That is my question, how would you try to pass in a long list of files?Let's establish what you are concerned about. The 255 argument limit is on method signatures. From what you're saying here, you're talking about arguments being passed into your application from, say, the shell. Am I right?Correct, please see my clarified post. From what I have tested, the 255 argument limit appears to exist even for arguments passed to main.Ah, but arguments passed to main from the command line are passed into main as a single array of Strings, no matter how many of them there are. I have no idea what the limit on those is, but an array can hold millions of elements. I expect your shell will moan about that many, though.
As I see it, you have a few choices. Unless these files are all in different, arbitrary directories, you can specify a list of directories for your app to search. Or you can pass them all in one at a time, and see how you go. Or you can list them in a text file, pass that to your app and have it work them out. Or write a script that invokes your app multiple times. What you don't need, is a method that takes each file as an argument.Thank you for walking me through this. Would you mind telling me which way you would lean if you were designing this? The files will all be in a single directory on the server and I would not like to invoke the app multiple times as it creates a connection during each invocation. They're all in the single directory. Ok, are all the files in that directory to be transferred? If so, I'd just pass the directory name to the app, and have it iterate over all the files. If it's only to be certain ones, how do you know which ones? Is there some regex or filtering you can do on the command line?
If you are interested, the 255 argument limit for main that I tested was from this article:
[http://www.javaspecialists.eu/archive/Issue059.html|http://www.javaspecialists.eu/archive/Issue059.html]
It does die at 255 using Java 1.5.Like I said, arguments to a method are thus limited. But the args passed to an app are passed to main as one argument - an array. In short, that article is not relevant to your problem.

How would you go about saving an online image locally?

Say if you knew the url such as http://www.yahoo.com/img.jpg
How would you save this locally?

Read the answer in your previous posting:
http://forum.java.sun.com/thread.jspa?threadID=772451
Use the file as an InputStream to read the data and then use an OutputStream to write the file.
The logic is the same as reading and writing a file from disk once you have the InputStream.

How would you generate moving tv static - white noise?

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