Java3D - how to get the viewing frustum coordinates

Hi all!
I am so desperate to find out how to retrieve the viewing frustum (truncated pyramid) coordinates (xyz) in Java3D.
Please let me know. I checked the API docs but no luck.
I am sure there must be some way (or method) of extracting these (xyz) coodrinates from this frustum.
Thanks!

firstly I humbly admit I am not that familiar with openGL so I dont know what those functions are doing ..but still I might be missing what is it you are looking for...u saying "to get xyz" coordinates of truncated pyramid ... u need 8 points (depending on the way you wanna calculate it)to create viewing frustum so which one u looking for? ....btw there is a viewing frustum method to get points but unfortunately due to j3d setup by the time u get them using that method 2 frames will go by .... so
View view = viewer.getView();
double point1 = view.getBackClipDistance() * SOME_CONSTANT;
double point2 = view.getFrontClipDistance();
double point3 = view.getFieldOfView();
double point4 = (double) view.getCanvas3D(0).getWidth() /
(double) view.getCanvas3D(0).getHeight();
double point5 = Math.tan(point3 / SOME_CONSTANT) * point2;
double point6 = point5 / point4;
double point7 = (point5 / point1) * point1;
double point8 = point7 / point4;
now just just normals and u can setup up your 6 planes of the view frustum ...

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// Copyright (c) 2000 Oracle Corporation
package ObjectSampleDAC;
import oracle.dacf.control.swing.*;
import javax.swing.*;
import oracle.dacf.dataset.*;
import oracle.dacf.dataset.connections.*;
import java.awt.*;
import oracle.jdeveloper.layout.*;
import java.awt.event.*;
import javax.infobus.*;
import oracle.jbo.domain.DomainInterface;
import ObjectSampleBC4J.common.TAddress;
import java.sql.SQLException;
* A Frame class.
* <P>
* @author Scott Tiger
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* Constructs a new instance.
public Frame1() {
super();
try {
jbInit();
sessionInfo1.publishSession();
// call my initialization method
bfInit();
catch (Exception e) {
e.printStackTrace();
* Initializes the state of this instance.
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AddressrowSetInfo1.setName("Address");
PasswordrowSetInfo1.setName("Password");
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FirstnamerowSetInfo1.setName("Firstname");
IdrowSetInfo1.setName("Id");
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IdrowSetInfo1,
FirstnamerowSetInfo1,
LastnamerowSetInfo1,
UsernamerowSetInfo1,
PasswordrowSetInfo1,
AddressrowSetInfo1,
StatusrowSetInfo1,
EmailrowSetInfo1} );
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"CustomerView",
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mode. The rowsetPopulated method is called when the rowset is queried/requeried.
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public void rowsetPopulated(RowSetChangeEvent e) {
rowSetInfo1_rowsetPopulated(e);
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textFieldControl7.setDataItemName("infobus:/oracle/sessionInfo1/rowSetInfo1/Email");
textFieldControl7.setText("textFieldControl7");
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textField_focusGained(e);
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textFieldCity.setText("textFieldCity");
textFieldCity.addFocusListener(new java.awt.event.FocusAdapter() {
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textField_focusGained(e);
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textField_focusLost(e);
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textFieldState.setText("textFieldState");
textFieldState.addFocusListener(new java.awt.event.FocusAdapter() {
public void focusGained(FocusEvent e) {
textField_focusGained(e);
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textFieldZipcode.setText("textFieldZipcode");
textFieldZipcode.addFocusListener(new java.awt.event.FocusAdapter() {
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textField_focusGained(e);
public void focusLost(FocusEvent e) {
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GridBagConstraints.WEST, GridBagConstraints.NONE, new Insets(0, 10, 0, 0), 0, 0));
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GridBagConstraints.WEST, GridBagConstraints.NONE, new Insets(0, 10, 0, 0), 0, 0));
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GridBagConstraints.EAST, GridBagConstraints.NONE, new Insets(5, 0, 0, 0), 0, 0));
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GridBagConstraints.WEST, GridBagConstraints.NONE, new Insets(0, 10, 0, 0), 0, 0));
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GridBagConstraints.EAST, GridBagConstraints.NONE, new Insets(5, 0, 0, 0), 0, 0));
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GridBagConstraints.EAST, GridBagConstraints.NONE, new Insets(5, 0, 0, 0), 0, 0));
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GridBagConstraints.EAST, GridBagConstraints.NONE, new Insets(5, 0, 0, 0), 0, 0));
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GridBagConstraints.WEST, GridBagConstraints.NONE, new Insets(0, 10, 0, 0), 0, 0));
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BorderLayout borderLayout1 = new BorderLayout();
JPanel jPanel1 = new JPanel();
SessionInfo sessionInfo1 = new SessionInfo();
RowSetInfo rowSetInfo1 = new RowSetInfo();
AttributeInfo IdrowSetInfo1 = new AttributeInfo(java.sql.Types.NUMERIC);
AttributeInfo FirstnamerowSetInfo1 = new AttributeInfo(java.sql.Types.VARCHAR);
AttributeInfo LastnamerowSetInfo1 = new AttributeInfo(java.sql.Types.VARCHAR);
AttributeInfo UsernamerowSetInfo1 = new AttributeInfo(java.sql.Types.VARCHAR);
AttributeInfo PasswordrowSetInfo1 = new AttributeInfo(java.sql.Types.VARCHAR);
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AttributeInfo StatusrowSetInfo1 = new AttributeInfo(java.sql.Types.VARCHAR);
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JPanel jPanel2 = new JPanel();
JPanel jPanel3 = new JPanel();
TextFieldControl textFieldControl1 = new TextFieldControl();
TextFieldControl textFieldControl2 = new TextFieldControl();
TextFieldControl textFieldControl3 = new TextFieldControl();
TextFieldControl textFieldControl4 = new TextFieldControl();
TextFieldControl textFieldControl5 = new TextFieldControl();
TextFieldControl textFieldControl6 = new TextFieldControl();
TextFieldControl textFieldControl7 = new TextFieldControl();
BorderLayout borderLayout2 = new BorderLayout();
NavigationBar navigationBar1 = new NavigationBar();
JLabel jLabel1 = new JLabel();
JLabel jLabel2 = new JLabel();
JLabel jLabel3 = new JLabel();
JLabel jLabel4 = new JLabel();
JLabel jLabel5 = new JLabel();
JLabel jLabel6 = new JLabel();
JLabel jLabel7 = new JLabel();
JLabel jLabel8 = new JLabel();
GridBagLayout gridBagLayout1 = new GridBagLayout();
JPanel jPanel4 = new JPanel();
JTextField textFieldStreet = new JTextField();
JTextField textFieldCity = new JTextField();
JTextField textFieldState = new JTextField();
JTextField textFieldZipcode = new JTextField();
JLabel jLabel9 = new JLabel();
JLabel jLabel10 = new JLabel();
JLabel jLabel11 = new JLabel();
JLabel jLabel12 = new JLabel();
GridBagLayout gridBagLayout2 = new GridBagLayout();
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/* This method was generated by the designer. See rowSetInfo1.addChangeListener(...) in jbInit
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void rowSetInfo1_rowsetCursorMoved(RowsetCursorMovedEvent e) {
try {
/* When the user moves from one row to another, set the JTextField values based on the
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populated, and each time the user moves from one row to another.
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/* Get DataItem for the Address column object and cast to DomainAccess for to prepare for
getting and setting column value as domain.
da = (DomainAccess)AddressrowSetInfo1.getImmediateAccess();
/* Get the value of the attribute as a Domain and cast to DomainInterface.
DomainInterface di = da.getValueAsDomain();
/* null out addr. Otherwise, if the address column is null for a particular record, when
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/* Using DomainInterface allows us to cast the domain object to the specific Domain class for
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represents the T_ADDRESS type created in the database. This provides getters and setters
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if ( di instanceof TAddress ) {
addr = (TAddress) di;
/* If the above statement resulted in some non-null object assigned to addr, it is because
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if (addr != null) {
textFieldStreet.setText(addr.getStreet());
textFieldCity.setText(addr.getCity());
textFieldState.setText(addr.getState());
textFieldZipcode.setText(addr.getZipcode());
else {
textFieldStreet.setText("");
textFieldCity.setText("");
textFieldState.setText("");
textFieldZipcode.setText("");
/* If addr is null, after making sure the JTextFields are cleared, create a new TAddress
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try {
addr = new TAddress();
catch (SQLException ex) {
System.out.println("Error creating domain TAddress");
ex.printStackTrace();
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textFieldState, or textFieldZipcode. It's used just to find the value of the field when
the user enters the field (the "before" value).
void textField_focusGained(FocusEvent e) {
Object obj = e.getSource();
if (obj instanceof JTextField) {
JTextField field = (JTextField)obj;
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/* The method below is invoked when the user navigates away from textFieldStreet, textFieldCity,
textFieldState, or textFieldZipcode. It checks to see if the user changes the value of the
field, and if so, updates the value of the address attribute.
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Object obj = e.getSource();
if (obj instanceof JTextField) {
JTextField field = (JTextField)obj;
newVal = field.getText();
/* Compare the new value of the field ("after" value) to the "before" value captured
in textField_focusGained above. If they are equal, we do nothing. If they are not equal,
then the user must have changes the value in the field, and we have some work to do.
if (!oldVal.equals(newVal)) {
/* Since this same method is called regardless of which JTextField has been left, we find
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addr.setStreet(newVal);
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try {
da.setValueAsDomain(addr);
catch (InvalidDataException ex) {
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ex.printStackTrace();
/* Clear out the oldVal and newVal variable so we are ready to track more changes.
oldVal = null;
newVal = null;
}-- Brian

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Dear Experties,
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Long text During a 'CAST' operation ('?=' oder 'MOVE ? TO')a type conflict occurred. The source type '\CLASS=CL_BSP_WD_MIXED_NODE' is not compatible for assigning with the target type '\CLASS=CL_CRM_BOL_ENTITY'.
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IF lv_display EQ abap_false.
ELSE.
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ENDIF.
DATA:    lr_tx           TYPE REF TO if_bol_transaction_context,
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IF lr_entity->lock( ) = abap_true.
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ENDIF.
lr_entity ?= me->typed_context->EMAINLEG->collection_wrapper->get_first( ).
WHILE lr_entity IS BOUND.
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    lr_entity ?= me->typed_context->EMAINLEG->collection_wrapper->get_next( ).
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The following error text was processed in the system:
Source type \CLASS=CL_BSP_WD_MIXED_NODE is not compatible, for the purposes of assignment, with target type \CLASS=CL_CRM_BOL_ENTITY
Exception Class CX_SY_MOVE_CAST_ERROR
Error Name MOVE_CAST_ERROR
Program ZL_ZBT131QI_EMAINLEG_IMPL=====CP
Include ZL_ZBT131QI_EMAINLEG_IMPL=====CM00C
ABAP Class ZL_ZBT131QI_EMAINLEG_IMPL
Method EH_ON_EDIT
Line 33
Long text During a 'CAST' operation ('?=' oder 'MOVE ? TO')a type conflict occurred. The source type '\CLASS=CL_BSP_WD_MIXED_NODE' is not compatible for assigning with the target type '\CLASS=CL_CRM_BOL_ENTITY'.
Thanks in advance!!!

Hi,
in CRM a context can consist of model nodes, value nodes and, unfortunately, mixed nodes. While mixed nodes implement the same interface as model nodes they can't be casted into a CL_CRM_BOL_ENTITY directly. Instead you need to perform the following conversion in order to get the model node from the mixed node:
DATA: mixed_node     TYPE REF TO cl_bsp_wd_mixed_node,
           entity              TYPE REF TO cl_crm_bol_entity.
mixed_node = me->typed_context->EMAINLEG->collection_wrapper->get_first( ).
entity = ?= mixed_node->if_bsp_wd_ext_property_access~get_model_node( ).
Best,
Christian

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hi all,
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