Removing Command Object

I still consider myself a beginner at Crystal Reports (XI), even though I've had some successes. I know I lucked out in getting my reports done and probably couldn't tell you exactly how I actually did them. I appreciate any help and apologize if I missed something obvious.
What I'm trying to do now is update the reports I was able to first create. I want to add several more tables and fields. Also, because the original reports are using a command object, they ran very slowly. I want to remove the command object and query the database directly. I can do that, right? Well, I did that first thinking this would be the easy part - but I'm not sure if I did it correctly - basically deleting the command object and updating the formula fields to pull directly from the tables. I also went through the Set Database location to update to the new tables and then verified the database. In the Field Explorer, I can browse the data, but when previewing the report no data is returned. There is no error messages. I'm connecting to the database (SQL) via OLE.
Can someone help fill me in on what I missed?

Hi,
    Well, you need to create the new query/view first.
Make sure that it contains all the fields you are presently using (...plus the new fields). Make sure the Date Types are the same as the old fields that you want to replace. Even name the fields the same as in the command object. (... with an "AS" clause...table.field as "Order ID").
    Now add the new view to the report. This should activate the "Mapping" feature. The "Mapping" dialog will show you what mapping it thinks is right and which ones it can't figure out. Check them all out, map the new fields to the old fields and click ok. Now you can add the new fields you created because they will show up under "Database" in your report.
Make sure all the old fields are replaced by the new ones.
You can tell because all the check marks beside the old fields will be gone. When the fields are all replaced, you can delete the old command object.
     If you miss a step or don't do one of the steps right, the mapping feature will not come up when you add the new view.
I don't know of another way to force the mapping feature to appear. Maybe someone else knows.
Happy Hunting,
The Panda

Similar Messages

Remove supporting object in Deinstallation Script

Hello.
I want to define a deinstallation script for my application. It should remove all created database objects and the supporting objects.
I can remove the database objects with SQL statements. But what is the command to remove supporting objects?
Maybe you can give me an example to remove an icon called delete.gif. (I think static items and images are handled in the same way, aren't they?)
Thank you very much.
Stephan

begin
wwv_flow_api.create_or_remove_file(
p_location => 'WORKSPACE',
p_name => 'image.gif',
p_mode => 'REMOVE',
p_type => 'STATIC');
end;

Using Crystal Reports formulas in Command Objects

Post Author: Hamish
CA Forum: Formula
Is this possible?
When I try and reference a formula in a command object
something like
select * from tablenamewhere id in (@testFormula)
@testFormula prints out as 1,2 on the report if I remove the reference in the command object
I get an error Incorrect syntax near @testFormula from SQL Server
(I'm using CR XI and SQL Server 2005)

Post Author: bryanflora
CA Forum: Formula
In a matter of fact, Formula is for you to calculate the result you get from DB.And if there's anything you want to pass to DB before you get result, it's Parameter.

Remove AP object from WLC

How to remove AP object from WLC 8500 ? I had dismantle one AP so it is now no longer associated with WLC, I want to remove AP info from WLC. But unable to find any command for the same.

Hi Scott,
Thanks for your answer.. But it's not fulfill my question. I want to remove some of AP entries which is not currently associated with WLC.
Below are steps which I understood when new AP joins to controller in my case.
1) We are configuring AP with static IP and capwap protocol thru console login of AP.
2) We are connecting AP to WLC thru netwok.
3) When A joins to controller, It will be visible at Monitor section > Access Point Summary
4) It will start from AP.macaddress
5) Now remotely we are applying AP name, HIgh availability and assign to appropriate AP group.
Now My query is when AP joins to controller, somewhere there should be entry in database that this mac address of AP is joined to controller along with AP configuration.
I want to delete some of AP databases which are disassociates from controller due to media failure between AP and WLC/AP no longer available.
Is there any command to remove AP entries from Controller ? or any other procedure ?
Devang

Using a Variable in SSIS - Error - "Command text was not set for the command object.".

Hi All,
I am using a OLE DB Source in my dataflow component and want to select SQL Query from the master table I have created variables v_Archivequery
String packageLevel (to store the query).
<Variable Name="V_Archivequery" DataType="String">
     SELECT a.*, b.BBxKey as Archive_BBxKey, b.RowChecksum as Archive_RowChecksum
     FROM dbo.ImportBBxFbcci a LEFT OUTER JOIN Archive.dbo.ArchiveBBxFbcci b
     ON (SUBSTRING(a.Col001,1,4) + SUBSTRING(a.Col002,1,10)) = b.BBxKey
     Where (b.LatestVersion = 1 OR b.LatestVersion IS NULL)
    </Variable>
I am assigning this query to the v_Archivequery variable, "SELECT a.*, b.BBxKey as Archive_BBxKey, b.RowChecksum as Archive_RowChecksum
FROM dbo.ImportBBxFbcci a LEFT OUTER JOIN Archive.dbo.ArchiveBBxFbcci b
ON (SUBSTRING(a.Col001,1,4) + SUBSTRING(a.Col002,1,10)) = b.BBxKey
Where (b.LatestVersion = 1 OR b.LatestVersion IS NULL)"
Now in the OLE Db source, I have selected as Sql Command from Variable, and I am getting the variable, v_Archivequery .
But when I am generating the package and when running I am getting bewlo errror
Error at Data Flow Task [OLE DB Source [1]]: An OLE DB error has occurred. Error code: 0x80040E0C.
An OLE DB record is available. Source: "Microsoft SQL Native Client" Hresult: 0x80040E0C Description: "Command text was not set for the command object.".
Can Someone guide me whr am going wrong?
Please let me know where am going wrong?
Thanks in advance.
Thankx & regards, Vipin jha MCP

What happens if you hit Preview button in OLE DB Source Editor? Also you can use the same query by selecting SQL Command option and test.
Could you try set the Delay Validation = True at Package and re-run ?
If set the query in variable expression (not in value), then Set Evaluate As Expression = True.
-Vaibhav Chaudhari

ArrayList problem ....i can remove my object from my arrayList

hi all, i am going to remove a object from my array by using arrayList.However, it can`t work properly and did nth for me..i don`t know why...could anyone give me some suggestion and show me what i did wrong on my code ....i stated more detail next to my code...plesae help...
public class MusicCd
     private String musicCdsTitle;
        private int yearOfRelease;
     public MusicCd()
          musicCdsTitle = "";
          yearOfRelease = 1900;
     public MusicCd(String newMusicCdsTitle)
          musicCdsTitle = newMusicCdsTitle;
          //yearOfRelease = newYearOfRelease;
     public MusicCd(String newMusicCdsTitle, int newYearOfRelease)
          musicCdsTitle = newMusicCdsTitle;
          yearOfRelease = newYearOfRelease;
     public String getTitle()
          return musicCdsTitle;
     public int getYearOfRelease()
          return yearOfRelease;
     public void setTitle(String newMusicCdsTitle)
          musicCdsTitle = newMusicCdsTitle;
     public void setYearOfRelease(int newYearOfRelease)
          yearOfRelease = newYearOfRelease;
     public boolean equalsName(MusicCd otherCd)
          if(otherCd == null)
               return false;
          else
               return (musicCdsTitle.equals(otherCd.musicCdsTitle));
     public String toString()
          return("Music Cd`s Title: " + musicCdsTitle + "\t"
                 + "Year of release: " + yearOfRelease + "\t");
import java.util.ArrayList;
import java.io.*;
public class MusicCdStore
   ArrayList<MusicCd> MusicCdList;
   public void insertCd()
        MusicCdList = new ArrayList<MusicCd>( );
        readOperation theRo = new readOperation();
        MusicCd theCd;
        int muiseCdsYearOfRelease;
        String muiseCdsTitle;
          while(true)
                String continueInsertCd = "Y";
               do
                    muiseCdsTitle = theRo.readString("Please enter your CD`s title : ");
                    muiseCdsYearOfRelease = theRo.readInt("Please enter your CD`s year of release : ");
                    MusicCdList.add(new MusicCd(muiseCdsTitle, muiseCdsYearOfRelease));
                    MusicCdList.trimToSize();
                    continueInsertCd = theRo.readString("Do you have another Cd ? (Y/N) : ");
               }while(continueInsertCd.equals("Y") || continueInsertCd.equals("y") );
               if(continueInsertCd.equals("N") || continueInsertCd.equals("n"));
                                                //MusicCdList.add(new MusicCd(muiseCdsTitle, muiseCdsYearOfRelease));
                              break;
                  //System.out.println("You `ve an invalid input " + continueInsertCd + " Please enter (Y/N) only!!");
   public void displayAllCd()
                System.out.println("\nOur CD collection is: \n" );
          System.out.println(toString());
   public String toString( )
        String result= " ";
        for( MusicCd tempCd : MusicCdList)
             result += tempCd.toString() + "\n";
        return result;
   public void searchingMusicCd()
        readOperation theRo = new readOperation();
        String keyword = theRo.readString("Enter a CD `s Title you are going to search : ") ;
        ArrayList<MusicCd> results = searchForTitle(keyword );
          System.out.println("The search results for " + keyword + " are:" );
          for(MusicCd tempCd : results)
               System.out.println( tempCd.toString() );
   //encapsulate the A
   public void removeCd()
        readOperation theRo = new readOperation();
        String keyword = theRo.readString("Please enter CD `s title you are going to remove : ") ;
        ArrayList<MusicCd> removeMusicCdResult = new ArrayList<MusicCd>();
              System.out.println("The CD that you just removed is " + keyword );
          for(MusicCd tempCd : removeMusicCdResult)
               System.out.println( tempCd.toString() );
   //problem occurs here : i am so confused of how to remove the exactly stuff from my arrayList
   //pls help
   private ArrayList<MusicCd> removeCdForTitle(String removeCdsTitle)
         MusicCd tempMusicCd = new MusicCd();
         tempMusicCd.setTitle(removeCdsTitle);
        // tempMusicCd.setTitle(removeCdsTitle);
        //tempMusicCd.getTitle() = removeCdsTitle;
        ArrayList<MusicCd> removeMusicCdResult = new ArrayList<MusicCd>();
        for(MusicCd currentMusicCd : MusicCdList)
             if((currentMusicCd.getTitle()).equals(tempMusicCd.getTitle()))
                 // removeMusicCdResult.remove(currentMusicCd);
                     MusicCdList.remove(currentMusicCd);
        removeMusicCdResult.trimToSize();
        return removeMusicCdResult;
   private ArrayList<MusicCd> searchForTitle(String searchString)
        ArrayList<MusicCd> searchResult = new ArrayList<MusicCd>();
        for(MusicCd currentMusicCd : MusicCdList)
             if((currentMusicCd.getTitle()).indexOf(searchString) != -1)
                  searchResult.add(currentMusicCd);
        searchResult.trimToSize();
        return searchResult;
import java.util.*;
public class MusicCdStoreEngine{
     public static void main(String[] args)
          MusicCdStore mcs = new MusicCdStore( );
          mcs.insertCd();
          //display the Cd that you just insert
          mcs.displayAllCd();
          mcs.removeCd();
          mcs.displayAllCd();
          mcs.searchingMusicCd();
//Acutally result
//Please enter your CD`s title : ivan
//Please enter your CD`s year of release : 1992
//Do you have another Cd ? (Y/N) : y
//Please enter your CD`s title : hero
//Please enter your CD`s year of release : 1992
//Do you have another Cd ? (Y/N) : n
//Our CD collection is:
// Music Cd`s Title: ivan     Year of release: 1992
//Music Cd`s Title: hero     Year of release: 1992
//Please enter CD `s title you are going to remove : hero
//The CD that you just removed is hero
//Our CD collection is:
// Music Cd`s Title: ivan     Year of release: 1992
//Music Cd`s Title: hero     Year of release: 1992
//Enter a CD `s Title you are going to search : hero
//The search results for hero are:
//Music Cd`s Title: hero     Year of release: 1992
//>Exit code: 0
//Expected result
//Please enter your CD`s title : ivan
//Please enter your CD`s year of release : 1992
//Do you have another Cd ? (Y/N) : y
//Please enter your CD`s title : hero
//Please enter your CD`s year of release : 1992
//Do you have another Cd ? (Y/N) : n
//Our CD collection is:
// Music Cd`s Title: ivan     Year of release: 1992
//Music Cd`s Title: hero     Year of release: 1992
//Please enter CD `s title you are going to remove : hero
//The CD that you just removed is hero
//Our CD collection is:
// Music Cd`s Title: ivan     Year of release: 1992
//Music Cd`s Title: hero     Year of release: 1992<<-- it is not supposed to display cos i have deleted it from from array
//Enter a CD `s Title you are going to search : hero
//The search results for hero are:
//Music Cd`s Title: hero     Year of release: 1992<<-- i should have get this reuslt...cos it is already delete from my array
//>Exit code: 0
import java.util.*;
public class readOperation{
     public String readString(String userInstruction)
          String aString = null;
          try
                     Scanner scan = new Scanner(System.in);
               System.out.print(userInstruction);
               aString = scan.nextLine();
          catch (NoSuchElementException e)
               //if no line was found
               System.out.println("\nNoSuchElementException error occurred (no line was found) " + e);
          catch (IllegalStateException e)
               // if this scanner is closed
               System.out.println("\nIllegalStateException error occurred (scanner is closed)" + e);
          return aString;
     public char readTheFirstChar(String userInstruction)
          char aChar = ' ';
          String strSelection = null;
          try
               //char charSelection;
                     Scanner scan = new Scanner(System.in);
               System.out.print(userInstruction);
               strSelection = scan.next();
               aChar = strSelection.charAt(0);
          catch (NoSuchElementException e)
               //if no line was found
               System.out.println("\nNoSuchElementException error occurred (no line was found) " + e);
          catch (IllegalStateException e)
               // if this scanner is closed
               System.out.println("\nIllegalStateException error occurred (scanner is closed)" + e);
          return aChar;
     public int readInt(String userInstruction) {
          int aInt = 0;
          try {
               Scanner scan = new Scanner(System.in);
               System.out.print(userInstruction);
               aInt = scan.nextInt();
          } catch (InputMismatchException e) {
               System.out.println("\nInputMismatchException error occurred (the next token does not match the Integer regular expression, or is out of range) " + e);
          } catch (NoSuchElementException e) {
               System.out.println("\nNoSuchElementException error occurred (input is exhausted)" + e);
          } catch (IllegalStateException e) {
               System.out.println("\nIllegalStateException error occurred (scanner is closed)" + e);
          return aInt;
}

//problem occurs hereI'm not sure that the problem does occur within the
removeCdForTitle() method.
Your main() method calls removeCd() which obtains the title of
the CD to be removed (keyword). But remoceCd() never
calls removeCdForTitle(), so nothing is ever removed.

Creating a LOV by using a Command Object

Hello All,
I have a report that's driven by a parameterized sproc, which is a year parameter. However, we have a table that I would like to use in my object command to populate this parameter with the values from the select statement to enforce consistency. A new year is inserted into to this table yearly by another process, which would keep me from having to go into a static list to update the year options yearly.
I've created the command object and saved it to the repository, but I can't figure out how to associate it to the report as the parameter.
Can anyone point me in the right direction?
Thanks in advance.

hi DevinM,
two choices:
A) add the Command to your report
1) you can add the Command to your report...don't link it to any tables though...you'll get a "Generally not supported error" but you can ignore it for this test
2) now in your prompt you will have the Command available for the dynamic values
3) check that the number of records on your report remains the same as before...it should...any test i have run on this is aok
B) create a Business View
1) go into the Business View Manager and create a business view from the data foundation up
2) once you've got the business view built you can create an LOV from there which is available to your current report and all other reports
jw

Problem creating a SQL command object and adding it to a Crystal report

Hi,
I'm trying to add the following SQL command object with the following sql for MYSQL 5.1
SELECT lic.id, lic.productionname, comp.companyname, lic.paymentreceiveddate, lic.licenseissuedate,
IFNULL((SELECT sum(licsong.feequoted) from licensesong licsong where licsong.licenseid = lic.id), 0) as totalfeequoted,
IFNULL((SELECT sum(licsong.feetax) from licensesong licsong where licsong.licenseid = lic.id), 0) as totalfeetax,
IFNULL((SELECT sum(licsong.feequoted + licsong.feetax) from licensesong licsong where licsong.licenseid = lic.id), 0) as totalfee,
IFNULL((SELECT sum(pay.fullamount) from payment pay where pay.licenseid = lic.id),0) as totalpaid
FROM license lic
INNER JOIN company comp on lic.licensecompanyid= comp.id;
This sql runs fine in the Query Browser of mysql and returns what I want.
When I try to add this SQL command to a new Crystal Report, (by right clicking in the sql editor and selecting Crystal Reports - Add to new Crystal Report), it locks up my Eclipses and it ends up not responding. If I just do a simple SELECT * FROM license it works fine.
The Eclipse I'm using is from the CR4E download page with the crystal plugin already installed.
Any help with this would be greatful, as I am not having much joy with this CR4E 2.0 with MySQL and may have to scrap it and go back creating reports in Apache POI.
Any help greatly received.
Kind regards

Hi,
Try to select a particular columns instead of doing SELECT * FROM license.
Thanks,
Saravanakumar

Question re Command Object to populate parameter drop-down

I have a report that uses a SQL Server stored procedure as the data source. The first parameter they enter is their company number (we have numerous clients using Lawson and access Crystal through LBI). The next parameter is the account number. I have a SQL statement written that gets distinct account numbers by company. When I create a Command object with the SQL statement, it doesn't allow me to use the company parameter.
SELECT DISTINCT GLC.ACCOUNT, GLC.ACCOUNT_DESC
FROM dbo.GLMASTER AS GLM
INNER JOIN DBO.GLCHARTDTL AS GLC
ON GLM.CHART_NAME = GLC.CHART_NAME
AND GLM.ACCOUNT = GLC.ACCOUNT
WHERE GLM.COMPANY = {?Company}
ORDER BY GLC.ACCOUNT
When I do Add Command in Database Expert and add the SQL above and name the parameter and try to Add, it says "Failed to retrieve data from the datase.
Details: ADO Error Code: 0x
Source: Microsoft OLE DB Provider for SQL Server
Description: No value given for one or more required parameters
Does anyone have a similar situation and a solution to this problem--either regarding my approach and error or a different approach to get the same thing?
Any input would be greatly appreciated!

You can't do this through a command object. This particular type of parameter is called a "Cascading Dynamic Prompt". You have to set these up through a Crystal Business View.
-Dell

How do i remove an Object (aliens/ bullets) from my Space Invaders game??

Creating Space Invaders game and im getting confused on removing objects from my game. How do you actually remove an object (i.e bullets and aliens).
I know this isnt the right way to do it, but for the bullets i had an array of the Objects bullets[] and set the x and y coordinates off screen so u cant see then wen they are painted you cant see them, then wen the player fires them, the x and y coordinates change so they come from the players ship till it hits an alien or goes off screen, then i reset the coordinates so they are pasted off screen again. Im relatively new to this so i would appreciate any help. Im going to have to do the same with aliens wen a collision is detected. Is there a way of actually removing an object?
Here is sum code incase you need to see it:
public void checkCollision()
          Rectangle playerRec = new Rectangle(player1.getBoundingBox());
          for(int i=0; i<alienRow; i++)
               for(int j=0; j<alienCol; j++){
                    if(playerRec.intersects(aliens[i][j].getBoundingBox()))
                         collisionDetected();
                    for(int k=0; k<bulletNum; k++){
                         Rectangle bulletRec = new Rectangle(bullets[k].getBoundingBox());
                         if(bulletRec.intersects(aliens[i][j].getBoundingBox()))
                              removeBullet(bullets[k]);
                              collisionDetected();
     public static void collisionDetected()
          System.out.println("COLLISION");
private void removeBullet(Bullets bullet){
          bullet.fired=false;
          bullet.setX(-10);
          bullet.setY(-10);
     }Edited by: deathwings on Nov 25, 2009 8:20 AM

deathwings wrote:
I was thinking bout that arraylist angle before, but it makes sense now so i think that will work ok. Thx kevin.Not a problem.
Taking the List idea one step further, you could have a parent Object/Interface that all of your game objects extend/implement. Let's call it GameObject.
A GameObject would have a draw(Graphics g) function that you call from your paintComponent( ) method, and for example an act( ) function as well.
You'd have a single List of GameObjects that you add everything in your game into. Now painting is simply a matter of looping over a single List. And in your game logic loop, you could do a similar thing with the act( ) function: your bullet's act( ) would simply move it forward and check for collisions and going off screen. An alien's act( ) function would move it around and maybe shoot a weapon every so often.
Just an idea.

Undable to drop tablespace ORA-01561: failed to remove all objects in the

hi,
i am unable to drop table tablespace how can i do that??
please advise
DROP TABLESPACE tbs_tp2 INCLUDING CONTENTS AND datafiles
ERROR at line 1:
ORA-01561: failed to remove all objects in the tablespace specified
Thanks in advance
siva
chennai

Have you tried dropping the objects individually? You can see which objects still belong to this tablespace by using the DBA_SEGMENTS view as shown below:
SELECT OWNER, SEGMENT_NAME, SEGMENT_TYPE, TABLESPACE_NAME
FROM DBA_SEGMENTS
WHERE TABLESPACE_NAME=tbs_tp2;HTH!

Crystal Reports 2008 - passing a parameter in the Command Object

Hi,
I am using Crystal Reports 2008. I have 4 Command Objects where I have the following queries.
select emrace, count(empl_id) cntFCiv from emmain where emtype='CIV' and emsex ='F' and emdateterm is null group by emrace
select emrace, count(empl_id) cntFSw from emmain where emtype='SWOR' and emsex ='F' and emdateterm is null group by emrace
select emrace, count(empl_id) cntMCiv from emmain where emtype='CIV' and emsex = 'M' and emdateterm is null group by emrace
select emrace,count(empl_id) cntMSw from emmain where emtype='SWOR' and emsex = 'M' and emdateterm is null group by emrace
I want to pass a parameter to all these command objects. I want the user to select a parameter from a list of values. So, I created a parameter object, Bureau. (I get the values for the parameter with this command object: select code_agcy, descriptn from systab1 where code_key = 'UNIT'). I want the user to be able to get the counts for each bureau.
How do I pass the parameter that the user picked to those command objects. I tried doing this:
select emrace, count(empl_id) cntFCiv from emmain where emtype='CIV' and emsex ='F' and emdateterm is null
and emunit = '{?Bureau}' group by emrace
But it did not work. Any help will be greatly appreciated.
Thanks.

Hi,
I am using Crystal Reports 2008. I have 4 Command Objects where I have the following queries.
select emrace, count(empl_id) cntFCiv from emmain where emtype='CIV' and emsex ='F' and emdateterm is null group by emrace
select emrace, count(empl_id) cntFSw from emmain where emtype='SWOR' and emsex ='F' and emdateterm is null group by emrace
select emrace, count(empl_id) cntMCiv from emmain where emtype='CIV' and emsex = 'M' and emdateterm is null group by emrace
select emrace,count(empl_id) cntMSw from emmain where emtype='SWOR' and emsex = 'M' and emdateterm is null group by emrace
I want to pass a parameter to all these command objects. I want the user to select a parameter from a list of values. So, I created a parameter object, Bureau. (I get the values for the parameter with this command object: select code_agcy, descriptn from systab1 where code_key = 'UNIT'). I want the user to be able to get the counts for each bureau.
How do I pass the parameter that the user picked to those command objects. I tried doing this:
select emrace, count(empl_id) cntFCiv from emmain where emtype='CIV' and emsex ='F' and emdateterm is null
and emunit = '{?Bureau}' group by emrace
But it did not work. Any help will be greatly appreciated.
Thanks.

Acrobat 9.0 freezes while "Removing unused objects"

I am using Acrobat Pro 9.0 in a Windows 8.1 environment. When I attempt to convert a PDF I created to a Form the program freezes once I click SAVE and "Removing unused objects" appears. I have "repaired" and "reinstalled" the application but the problem persists.

Hi Mike,
I do have some startup items;
EyeTV Helper
AdobeResourcesSynchroni
I Love Stars
GrowlHelperApp
NikePlusUtil
EEvent Manager
EPSON Scanner Monitor
I don't have any haxies on anything.
I made a new user account and tried to replicate the problem but it seems to work fine when logged in as a different user which leads me to think it is a preference in my current user>library
Ross

Acrobat 6 - Save As - Removing Unused Objects

When using the "Save As" feature to save from a mapped network drive to the personal drive, documents that are created from a scanned image take a long time to save, and on the progress bar show the message "Removing Unused Objects". My client is using Acrobat Standard 6, and I am unable to find any type of "PDF Optimizer" as the later versions have. Is there any way to remove this background processing that Adobe is doing and speed up the network saving?
Thanks,
edgetech1

Is there anyone out there who can offer some insight into this?

How do I do to add and remove Shape3D objects dynamically from TransfGroup?

Hi, everyone,
How do I do to add and remove Shape3D objects dynamically from TransformGroup?
I have added two Shape3D objects in the TransformGroup and I wanted to remove one of it to add another. But, the following exception occurs when I try to use �removeChild� :
�Exception in thread "AWT-EventQueue-0" javax.media.j3d.RestrictedAccessException: Group: only a BranchGroup node may be removed at javax.media.j3d.Group.removeChild(Group.java:345)�.
Why can I add Shape3D objects and I can�t remove them? Do I need to add Shape3D object in the BranchGroup and work only with the BranchGroup? If I do, I think this isn�t a good solution for the scene graph, because for each Shape3D object I will always have to use an associated BranchGroup.
Below, following the code:
// The constructor �
Shape3D shapeA = new Shape3D(geometry, appearance);
shapeA.setCapability(Shape3D.ALLOW_GEOMETRY_READ);
shapeA.setCapability(Shape3D.ALLOW_GEOMETRY_WRITE);
shapeA.setCapability(Shape3D.ALLOW_APPEARANCE_READ);
shapeA.setCapability(Shape3D.ALLOW_APPEARANCE_WRITE);
Shape3D shapeB = new Shape3D(geometry, appearance);
shapeB.setCapability(Shape3D.ALLOW_GEOMETRY_READ);
shapeB.setCapability(Shape3D.ALLOW_GEOMETRY_WRITE);
shapeB.setCapability(Shape3D.ALLOW_APPEARANCE_READ);
shapeB.setCapability(Shape3D.ALLOW_APPEARANCE_WRITE);
BranchGroup bg = new BranchGroup();
bg.setCapability(ALLOW_CHILDREN_READ);
bg.setCapability(ALLOW_CHILDREN_WRITE);
bg.setCapability(ALLOW_CHILDREN_EXTEND);
TransformGroup tg = new TransformGroup();
tg.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
tg.setCapability(TransformGroup.ALLOW_TRANSFORM_READ);
tg.setCapability(TransformGroup.ALLOW_CHILDREN_READ);
tg.setCapability(TransformGroup.ALLOW_CHILDREN_WRITE);
bg.addChild(tg);
tg.addChild(shapeA);
tg.addChild(shapeB);
// The method that removes the shapeB and adds a new shapeC �
Shape3D shapeC = new Shape3D(geometry, appearance);
shapeC.setCapability(Shape3D.ALLOW_GEOMETRY_READ);
shapeC.setCapability(Shape3D.ALLOW_GEOMETRY_WRITE);
shapeC.setCapability(Shape3D.ALLOW_APPEARANCE_READ);
shapeC.setCapability(Shape3D.ALLOW_APPEARANCE_WRITE);
tg.removeChild(shapeB);
tg.addChild(shapeC);Thanks a lot.
aads

�Exception in thread "AWT-EventQueue-0"
javax.media.j3d.RestrictedAccessException: Group:
only a BranchGroup node may be removed I would think that this would give you your answer -
Put a branch group between the transform and the shape. Then it can be removed.
Another thing you could try: This doesn't actually remove the shape, but at least causes it to hide. If you set the capabilities, I think you can write the appearance of the shapes. So, when you want to remove one of them, write an invisible appearance to it.

Removing Command Object

Similar Messages

Maybe you are looking for