0029256: Application Framework - TDocStd_Application does not provide an interface for appending entities to already opened document - MantisBT

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ID

Project

Category

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Date Submitted

Last Update

0029256

Open CASCADE

[OCCT] OCCT:Application Framework

public

2017-10-24 14:53

2017-11-03 17:17

Reporter

kgv

Assigned To

kgv

Priority

normal

Severity

feature

Status

feedback

Resolution

open

Platform

OS

OS Version

Product Version

Target Version

[OCCT] 7.4.0*

Fixed in Version

Summary

0029256: Application Framework - TDocStd_Application does not provide an interface for appending entities to already opened document

Description

TDocStd_Application provides only method TDocStd_Application::Open() for opening existing files, which basically creates a new document.

This is inconsistent with other XDE interfaces STEPCAFControl_Reader::Transfer() / IGESCAFControl_Reader::Transfer(), which appends new roots to existing document.

In general, either the reading part should be improved to provide a new mode or auxiliary tool which would allow merging one document into another.

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Notes
(0071833) kgv (developer) 2017-10-27 18:53 edited on: 2017-10-27 18:54	It seems TDF_CopyTool/TDocStd_XLinkTool are too low-level tools for such operations - I have no like guessing how to use them for appending content of one opened document to another one and have got corrupted result / crashes due to NULL-dereference afterwards.

(0071848) mpv (developer) 2017-10-30 15:49	Could you provide an example of crashing code allowing to reproduce the problem?

Issue History
Date Modified	Username	Field	Change
2017-10-24 14:53	kgv	New Issue
2017-10-24 14:53	kgv	Assigned To	=> mpv
2017-10-24 14:53	kgv	Relationship added	related to 0029189
2017-10-27 18:53	kgv	Note Added: 0071833
2017-10-27 18:54	kgv	Note Edited: 0071833	View Revisions
2017-10-30 15:49	mpv	Note Added: 0071848
2017-10-30 15:49	mpv	Assigned To	mpv => kgv
2017-10-30 15:49	mpv	Status	new => feedback

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