Storing a position value from the previous frame

Hey guys,
So, I'm trying to assign the X value a null object had at the previous frame so I can continue to subtract a number from it cumulatively. I'm trying to assign it to a variable (prevframe). I'm not sure where I'm going wrong, but the line I'm trying to do it on is written as follows:
prevframe = transform.xPosition.valueAtTime(time-(1/24))
So in my mind, this should be taking a look at the value of X on the null, then looking back in time to figure out what it's value was on the previous frame (my frame rate is 24, so I'm dividing 1 second in to 24 pieces and telling it to subtract that much from the current time), and assigning whatever that returns to the variable. But it's just returning a static value, even though I'm subtracting from it. I feel like it's not the correct syntax, but I really have no idea.
I want to continue to subtract a value which is based on the velocity of another object from this, which I have worked out, I just can't figure out how to reference what this nulls X position was in the previous frame so it always returns the same value until all motion has stopped. The formula the variable is being run through looks like:
finalposition = prevframe - camvelocity
Which is then assigned to the final X position of the null object.
So, I'm not sure where I'm going wrong. I hope I've provided enough information to help someone wrap their head around this and hopefully help me solve it.
Thanks in advance,
-Seth

Sorry it was confusing. Let me try to clarify. My null object has a starting point, which is an X value of 2020. For each frame the camera is moving, I want to subtract the cameras velocity from 2020, but I want it to be cumulative. So say the camera is moving linearly at 20 px per frame. On the first frame this starts, the value it will return is 2000. Then on the next frame I'd like it to subtract 20 from the new X value of 2000, but it continues to look at 2020 as the value to be subtracted from. So there isn't any accumulation of this X position getting lower and lower, it just gets to 2000 and stops.
When I plugged in your code I was getting the same result. I'm not sure if it's just not meant to work the way I was thinking I'd like it to, but…
What I'm trying to accomplish is kinda weird though. I'm trying to get this null, which is a parent to some glares nested in a composition, to take both camera movement and actual composition movement in to account as it drives the position of the glare objects. I wanted to see if the composition was moving faster in the main timeline, or the camera, and then add or subtract the faster velocity to the position of the null object, and have it do that continuously rather than to the null objects starting value and nothing else. so 2020 - 20 - 20 - 20 - 20 ect., with a 20 (or whatever the velocity works out to be) for each frame things remain in motion.
I want it to remain based on expressions just because I'm going to have a lot of these panels with glares, and hand keyframing each of them isn't something I'll have time to do, so I just want it to be based off of those two movements.
I think I'm going to take a different approach though. I think I'm trying to do too much with this expression that can be done in different ways. Instead of having one null I'm going to have two, and I'll have an expression within my glare objects to decide which ones coordinates to use as a parent still based on velocity.

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Hi All,
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<ROW>
<START_DATE>01-01-1980</START_DATE>
<END_DATE>01-01-1988</END_DATE>
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use this to get the following End_date
<?following-sibling::../END_DATE?>
Try this
<?for-each:/ROOT/ROW?>
==================
Current StartDate <?START_DATE?>
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Current StartDate 01-01-1980
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Next Start Date 01-01-1990
Previous End Date
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Hi there,
I'm currently working on the framework for a product viewer.
I have:
a movie clip called 'viewer_mc' which contains the images take from different angles of the product. The actionscript generates a script on the last frame of this that returns it to frame 1.
a button instance called 'autoplay_btn' which plays through the movie clip from whatever the current frame is, and stops on frame 1.
a left and right button which serve to move the movie clip frame, to give the appearance that the product is rotating.
I have succeeded in getting it to:
have the movie clip play through once, return to frame 1 and stop.
have the buttons return functions when held down, that move the frame in the movie clip using nextFrame and prevFrame commands. The right button successfully loops round to frame 1 and continues functioning to give the appearance of continual rotation.
The last problem I am experiencing is getting the left button to act in the corresponding manner, going from the first frame to the last and continuing to function.
Here is my actionscript so far:
import flash.events.MouseEvent;
var lastFrame:Number = viewer_mc.totalFrames;
var thisFrame:Number = viewer_mc.currentFrame;
var backFrame:Number = viewer_mc.currentFrame-1;
1. This is the part that gets it to play through once before returning to the first frame. I think perhaps the problem I am experiencing is because of the 'viewer_mc.addFrameScript(lastFrame-1, toStart)' part i.e. although I'm holding the left button, its returning to this script and therefor getting bounced back immediately to the first frame. However, there is no flicker on the screen which you might expect if this were the case
Note - as this is a generic product viewer which I can use as a template I am using lastFrame etc. as opposed to typing the value in
function toStart (){
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viewer_mc.addFrameScript(lastFrame-1, toStart);
2. This is the functionality for the autoplay_btn that will play through a rotation / return the viewer to the initial (frontal) view of the product (frame 1).
autoplay_btn.addEventListener(MouseEvent.MOUSE_DOWN, autoplay);
function autoplay (ev:MouseEvent):void{
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          viewer_mc.gotoAndPlay(startFrame);
3. This is the functionality of the right button, which when held, moves the movie clip to the next frame via the 'rotateRight' function based on the 'nextFrame' command. It loops back round to the first frame due to the 'viewer_mc.addFrameScript(lastFrame-1, toStart)' script generated on the last frame of the movie clip, as is desired.
right_btn.addEventListener(MouseEvent.MOUSE_DOWN, rightDown);
function rightDown(e:Event){
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function stoprightDown(e:Event):void {
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    stage.removeEventListener(MouseEvent.MOUSE_UP,stoprightDown); //remove the listener for mouse up
function rotateRight(e:Event):void {
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4. This is the functionality of the left button, which when held, moves the movie clip to the prev frame via the 'rotateRight' function based on the 'prevFrame' command. And this is where the problem lies, as although it works for getting the movieclip back to frame 1, it does not loop round to the last frame and continue functioning, as is wanted.
left_btn.addEventListener(MouseEvent.MOUSE_DOWN, leftDown);
function leftDown(e:Event){
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function stopleftDown(e:Event):void {
    removeEventListener(Event.ENTER_FRAME,rotateLeft); //stop running the tick function every frame now that the mouse is up
    stage.removeEventListener(MouseEvent.MOUSE_UP,stopleftDown); //remove the listener for mouse up
I'd imagine it is probably my logic for this part that is really letting me down - I can do a similar function in actionscript 2, but am trying to learn actionscript 3 just to move with the times as it were, and struggling a bit. Still this is only a few days in!
function rotateLeft(e:Event):void{
          if(thisFrame==1){
                    gotoAndStop(viewer_mc.totalFrames-1);
          } else{
          viewer_mc.prevFrame();
Any help you can give me would be gratefully received. For an example of the effect I am trying to achieve with the autoplay button etc. I recommend:
http://www.fender.com/basses/precision-bass/american-standard-precision-bass

Thanks for getting back to me.
Here's the code without my comments / explanations:
import flash.events.MouseEvent;
import flash.events.Event;
var lastFrame:Number = viewer_mc.totalFrames;
var thisFrame:Number = viewer_mc.currentFrame;
var backFrame:Number = viewer_mc.currentFrame-1;
function toStart (){
          viewer_mc.gotoAndStop(1);
viewer_mc.addFrameScript(lastFrame-1, toStart);
//last image of viewer_mc = first image of viewer_mc
autoplay_btn.addEventListener(MouseEvent.MOUSE_DOWN, autoplay);
function autoplay (ev:MouseEvent):void{
          var startFrame:Number = viewer_mc.currentFrame;
          viewer_mc.gotoAndPlay(startFrame);
right_btn.addEventListener(MouseEvent.MOUSE_DOWN, rightDown);
function rightDown(e:Event){
    stage.addEventListener(MouseEvent.MOUSE_UP,stoprightDown); //listen for mouse up on the stage, in case the finger/mouse moved off of the button accidentally when they release.
    addEventListener(Event.ENTER_FRAME,rotateRight); //while the mouse is down, run the tick function once every frame as per the project frame rate
function stoprightDown(e:Event):void {
    removeEventListener(Event.ENTER_FRAME,rotateRight); //stop running the tick function every frame now that the mouse is up
    stage.removeEventListener(MouseEvent.MOUSE_UP,stoprightDown); //remove the listener for mouse up
function rotateRight(e:Event):void {
    viewer_mc.nextFrame();
left_btn.addEventListener(MouseEvent.MOUSE_DOWN, leftDown);
function leftDown(e:Event){
    stage.addEventListener(MouseEvent.MOUSE_UP,stopleftDown); //listen for mouse up on the stage, in case the finger/mouse moved off of the button accidentally when they release.
    addEventListener(Event.ENTER_FRAME,rotateLeft);//while the mouse is down, run the tick function once every frame as per the project frame rate
function stopleftDown(e:Event):void {
    removeEventListener(Event.ENTER_FRAME,rotateLeft); //stop running the tick function every frame now that the mouse is up
    stage.removeEventListener(MouseEvent.MOUSE_UP,stopleftDown); //remove the listener for mouse up
function rotateLeft(e:Event):void{
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The definition of the rotateLeft function is where the problem lies I think - I've taken out my poor attempts at doing the logic from the previous post. If I were to write it out long-hand the statement I want to write is: 'If you get to frame 1 and function rotateLeft is called go to the end of the movie clip'.
The reason I have to use the viewer_mc.totalFrames-1 definition in the addFrameScript call is the addFrameScript function is 0 based i.e. if you want to call frame 1 of the movieclip you have to return a value of 0 in the addFrameScript (or such is my understanding of it anyway). As such, the last image in the movie clip will need to be the view obtained at 360 degree rotation, which is of course the same view as at 0 degree rotation. As a consequence, the last frame in the movie clip is superfluous for the user, but necessary for the overall effect to be achieved. And, in addition, to keep up the effect of a 360 degree view when the rotateLeft function is called it needs to skip that last frame to go to the lastFrame-1 (or totalframes-1), or in other words, the view of the image prior to completing the full 360 rotation.
the variables thisFrame and lastFrame are defined at the very top of the script. Like you said they might need to be defined or called on again elsewhere.

Need help Take out the null values from the ResultSet and Create a XML file

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Thanks in advance.
============================================================================
Frame1 Class
============
public class Frame1 extends JFrame{
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private XQuery xQuery1 = new XQuery();
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====================
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Can someone please help me with this problem
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Get positive values from sql

I have balance column and i need to pick only positive values from sql query.
Balance
200
-20
-220
100
Expected
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Hi Frank,
Sorry i think i am not clear.
below is my function get_total.
one billing_key is nothing but one billing period-each period has 6 programkeys.
by following function i will get 6 records by passing 6 programkeys and one biling key
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expected out. i am just giving an example of output.
actual
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a 100
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create or replace FUNCTION GET_TOTAL (p_bill_key IN varchar2,
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BEGIN
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use this to get the following End_date
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Try this
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==================
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<Score_yesterday> Score value of previous record (day) </Score_yesterday>
<Score_current_date> Score value of current record </Score_current_date>
<Date_current> Date of current record </Date_current>
</row>
I am thinking of using GlobalContainer to store the previous values but am note sure how to maintain these previous values. In addition, I am thinking about using a UDF on the target row record, which will just create the row, if conditions are met (result.addValue("");) and then just make a simple mapping of the ID_target, Score_current_date and Date_current fields and make an other UDF for the Score_yesterday field where I get the Score for the previous record using the GlobalContainer value, that I stored in the other UDF.
BUT:
Should I use "All values of context" or "All values of Queues" in the UDF used on the row record and how do I make sure, that the Score_yesterday global container value is maintained correctly? I am planning of setting it in the UDF used on the Target row record but will it then be in sync with the consuming UDF of the Score_yesterday field?
Java code to go into the UDF would be very much appreciated
Mikael

int tmp1;
int tmp2;
int len = ID.length;
for(int i =0;i< len;i++)
     if( i!= len-1)
         tmp1 = Integer.parseInt(Score<i>);
         tmp2 = Integer.parseInt(Score[i+1]);
               if(tmp2 >tmp1)
                 if (TARGET[0].equals("ROW"))
                          result.addValue("");
                      else if (TARGET[0].equals("ID_TARGET"))
                          result.addValue(ID[0]);
                     else if (TARGET[0].equals("SCORE_YDAY"))
                          result.addValue(Score<i>);
                     else if (TARGET[0].equals("SCORE_CDAY"))
                         result.addValue(Score[i+1]);
                     else
                         result.addValue(DT[i+1]);
I got the following results for the set of data that you provided.
Target-XML
<?xml version="1.0" encoding="UTF-8"?>
<ns0:MT_TestingTGT xmlns:ns0="http://monsanto.com/CIC">
   <Row>
      <ID_TARGET>571515198310502207</ID_TARGET>
      <SCORE_YDAY>1000</SCORE_YDAY>
      <SCORE_CDAY>1010</SCORE_CDAY>
      <CURRENT_DATE>2010-03-02 00:00</CURRENT_DATE>
   </Row>
   <Row>
      <ID_TARGET>571515198310502207</ID_TARGET>
      <SCORE_YDAY>1000</SCORE_YDAY>
      <SCORE_CDAY>1050</SCORE_CDAY>
      <CURRENT_DATE>2010-03-04 00:00</CURRENT_DATE>
   </Row>
   <Row>
      <ID_TARGET>571515198310502207</ID_TARGET>
      <SCORE_YDAY>1050</SCORE_YDAY>
      <SCORE_CDAY>1080</SCORE_CDAY>
      <CURRENT_DATE>2010-03-05 00:00</CURRENT_DATE>
   </Row>
   <Row>
      <ID_TARGET>571515198310502108</ID_TARGET>
      <SCORE_YDAY>2000</SCORE_YDAY>
      <SCORE_CDAY>2040</SCORE_CDAY>
      <CURRENT_DATE>2010-03-03 05:00</CURRENT_DATE>
   </Row>
   <Row>
      <ID_TARGET>571515198310502108</ID_TARGET>
      <SCORE_YDAY>2000</SCORE_YDAY>
      <SCORE_CDAY>2040</SCORE_CDAY>
      <CURRENT_DATE>2010-03-05 05:00</CURRENT_DATE>
   </Row>
   <Row>
      <ID_TARGET>571515198310302203</ID_TARGET>
      <SCORE_YDAY>3000</SCORE_YDAY>
      <SCORE_CDAY>3020</SCORE_CDAY>
      <CURRENT_DATE>2010-03-05 00:00</CURRENT_DATE>
   </Row>
</ns0:MT_TestingTGT>

How can I get the value of the previous item

Hi,
I have a block with some records in it.
I want to capture the value of the previous item of the cursor position
for eg I have emp_no, and emp_name
If I click emp_name it goes to different block ang brings up emp info. for that particular employee. but to get that I need emp_no
I'm taking emp_name by giving
emp_name := system.cursor_value
how can I capture emp_no value
Thanks in advance

Hello,
try this:
name := :blk.emp_name ;
num := :blk.emp_no ;
sal := :blk.emp_sal ;
etc...Francois

New install of SQL 2014 Std MSDN. Get "The SQL Server product key is not valid. To proceed, re-enter the product key values from the Certificate of Authenticity (COA) or SQL Server packaging."

Trying to install a new version of SQL 2014 Std 64 or x86. Installing on Windows 8.1Pro 64bit machine.
I get:
"TITLE: SQL Server Setup failure.
SQL Server Setup has encountered the following error:
The SQL Server product key is not valid. To proceed, re-enter the product key values from the Certificate of Authenticity (COA) or SQL Server packaging.
Error code 0x858C0017."
I looked at the summary log and that is the only error.
I made sure there were no other instances of SQL on this machine. Uninstalled all VS2013 and sql instances just in case. IF there is somewhere to check if a previous version or license is causing the issue, i would be glad to check.
Any help would be appreciated.

Hi,
Please read this thread with similar issue
http://social.msdn.microsoft.com/Forums/sqlserver/en-US/bdd94577-515c-49fa-be44-008eacece057/installing-sql-server-2012-on-a-new-vm-error-code-0x858c0017?forum=sqlsetupandupgrade
Please mark this reply as answer if it solved your issue or vote as helpful if it helped so that other forum members can benefit from it
My Technet Articles

Fetching more than one row from a table after selecting one value from the dropdown

Hi Experts,
How can we fetch more than one row from a table after selecting one value from the dropdown.
The scenario is that I have some entries in the dropdown like below
A               B               C
11256          VID          911256
11256          VID          811256
11256          SONY      11256
The 'B' values are there in the dropdown. I have removed the duplicate entries from the dropdown so now the dropdownlist has only two values.for eg- 'VID' and'SONY'. So now, after selecting 'VID' from the dropdown I should get all the 'C' values. After this the "C' values are to be passed to other methods to fetch some data from other tables.
Request your help on this.
Thanks,
Preeetam Narkhede.

Hi Preetam!
I hope I understand your request proberly, since this is more about Java and less about WebDynpro, but if I'm wrong, just follow up on this.
Supposed you have some collection of your original table data stored in variable "origin". Populate a Hashtable using the values from column "B" (let's assume it's Strings) as keys and an ArrayList of whatever "C" is (let's assume String instances, too) as value (there's a lot of ways to iterate over whatever your datasource is, and since we do not know what your datasource is, maybe you'll have to follow another approach to get b and c vaues,but the principle should remain the same):
// Declare a private variable for your Data at the appropriate place in your code
private Hashtable temp = new Hashtable<String, ArrayList<String>>();
// Then, in the method you use to retrieve backend data and populate the dropdown,
// populate the Hashtable, too
Iterator<TableData> a = origin.iterator();
while (a.hasNext()) {
     TableData current = a.next();
     String b = current.getB();
     String c = current.getC();
     ArrayList<String> values = this.temp.get(b);
     if (values == null) {
          values = new ArrayList<String>();
     values.add(c);
     this.temp.put(b, values);
So after this, you'll have a Hashtable with the B values als keys and collections of C values of this particular B as value:
VID --> (911256, 811256)
SONY --> (11256)
Use
temp.keySet()
to populate your dropdown.
After the user selects an entry from the dropdown (let's say stored in variable selectedB), you will be able to retrieve the collection of c's from your Hashtable
// In the metod you handle the selection event with, get the c value collection
//and use it to select from your other table
ArrayList<String> selectedCs = this.temp.get(selectedB);
// now iterate over the selectedCs items and use each of these
//to continue retrieving whatever data you need...
for (String oneC : selectedCs) {
     // Select Data from backend using oneC in the where-Clause or whatever...
Hope that helps
Michael

How to get multiple values from the list

I've a list of an item which I queried it from the database. I also created a button that will takes a selected items from the list when it was clicked. I used javabean to get the data from database.
<%     // clicked on Select District Button
Vector vselectedDistrict = new Vector();
Vector vdistrictID = new Vector();
String tmpSelectDistrict = "";
tmpSelectDistrict = request.getParameter("bSelectDistrict");
if(tmpSelectDistrict != null)
     // get multiple values from the list
     String[] selectedDistrict = request.getParameterValues("usrTDistrict");
     vselectedDistrict.clear();
     vdistrictID.clear();
     if((selectedDistrict != null) && (selectedDistrict.length != 0))
                       for(int i=0;i<selectedDistrict.length;i++)
               vselectedDistrict.addElement(selectedDistrict);
          vdistrictID = dbaseInfo.getcurrentDistrictID(nstate,vselectedDistrict);
          for(int i=0;i<vdistrictID.size();i++)
               out.println("district = " + selectedDistrict[i]);                         out.println("district ID= " + vdistrictID.get(i).toString());
%>
// get vdistrict from the database here......
<select name="usrTDistrict" size="5" multiple>
<%     for(int i = 0; i< vdistrict.size(); i++)
%>
     <option value="<%=vdistrict.get(i).toString()%>"><%=vdistrict.get(i).toString()%></option>
<%
%>
</select>
<input type="submit" name="bSelectDistrict" value="Select District">
Lets say the item that i selected from the list is 'Xplace' and I clicked on the Select District button,
what I got is this error message:
org.apache.jasper.JasperException: Unable to convert string 'Xplace' to class java.util.Vector for attribute usrTDistrict: java.lang.IllegalArgumentException: Property Editor not registered with the PropertyEditorManager
So where is going wrong and what the message means?. Any help very much appreciated. Thanks

These are just guesses that might hopefully steer you in directions you haven't looked in yet.
I presume you used triangle brackets (< >) to avoid having the Jive Forum think it was the "italics" tag?
Are you certain this: dbaseInfo.getcurrentDistrictID(nstate,vselectedDistrict);
expects a Vector as its second parameter? And returns a Vector?
I don't believe you've shown how you use the javabean, or its code? Perhaps it should be rewritten to accept an array of strings instead of a Vector?

Storing a position value from the previous frame

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