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Understanding DWG Files and Fixing Them

The native AutoCAD file for saving drawings is ".DWG" (short form extension for "drawing"). The DWG file can be likened to a moveable database, storing tables of information such as geometry, views, layers, configurations, third-party extensions and links to other data sets like XREF or BLOCK. The first .DWG binary format "MC0.0" was implemented in 1982 with the AutoCAD 1.0 release. A user can check any DWG file directly by opening in a binary-text editor (I use vi/vim) and checking the first six characters like we did here:That's it. Those six characters "hard-code" the rest of the drawings data as to which version protocol it obeys. in this case the file is DWG 2010 format. How do we know? Because AC1024 is code for 2010 DWG. Many of you have probably seen this table somewhere before: DWG Version "Internal" Version Release Date AutoCAD version(s) DWG R1.0 MC0.0 April 1983 AutoCAD Release 1.0 DWG R1.2 AC1.2 August 1983 AutoCAD Release 1.2 DWG R1.40 AC1.40 October 1983 AutoCAD Release 1.40 DWG R2.05 AC1.50 October 1984 AutoCAD Release 2.05 DWG R2.10 AC2.10 May 1985 AutoCAD Release 2.10 DWG R2.21 AC2.21 June 1986 AutoCAD Release 2.21 DWG R2.22 ...

Understanding progeCAD Upgrade Options

Many advances have been made in progeCAD development in recent years. Apart from native 64-bit CAD editing and better OpenGL hardware support for premium graphics cards, progeCAD continues to maintain its highest level of compatibility with recent Windows and AutoCAD updates. For some users, choosing the right progeCAD upgrade can be a bit confusing. This is understandable. Aside from the basic types of upgrades such as floating Network licenses, portable USB or Stand-Alone, there are also several different options for each type.The first tip is that the latest version of progeCAD supports the same DWG file format as did previous versions. This means that progeCAD will open drawings even if they are created in a version several years earlier. Of course, as with all versions, the DWG format itself should be correct and error-free. As mentioned on the CADDIT forum, regular use of progeCAD tools like "audit", "purge" as well as regular backups can keep drawings safe and free of any format errors.The second tip is that - unlike other CAD systems - it is still possible to upgrade from any commercial version of progeCAD without paying the full cost of a new license. For example, even if a user has a 2008 license there is still a discount for "trading in" the old license towards a new 2017 version. Here is how.To upgrade any version of progeCAD we start on the CADDIT webstore:https://www.caddit.net/store/index.php?main_page=index&cPath=12If a user prefers to use the webstore categories, all progeCAD upgrades can be found under the "progeCAD Upgrades" category.It is possible to upgrade from any type of paid progeCAD license to any other type of paid progeCAD license. Under the "progeCAD Upgrades" category, we see several different types of license that can be selected for the upgrade. progeCAD licenses are upgraded on a one for one...

Batch Printing in progeCAD - Using Publish

progeCAD can be a powerful tool for creating, editing and printing AutoCAD-format DWG files for almost any version of AutoCAD. progeCAD includes multiple tools for vector-PDF import, PDF underlay and PDF printing as well. However, more than once we have been asked at CADDIT how progeCAD manages batch printing and I have agreed to write something on it. This article will offer an overview of progeCAD batch printing using the PUBLISH command.Batch plotting is a convenient way to print multiple documents and layouts in one run. The origin of batch plotting has its roots in the unsupervised overnight plotting of large numbers of drawings for CAD offices. The PUBLISH command was first introduced in progeCAD with a free update for progeCAD 2013 users several years ago. Since its appearance several years ago, progeCAD's publish command has expanded to embrace full batch-printing functionality, including the in-dialog ability to add and remove drawing files to the batch, as well as selecting specific layouts and workspaces from those files. progeCAD's PUBLISH command is essentially similar to the one offered in AutoCAD (which effectively replaced AutoCAD's older batch plot utility a few years ago). To begin batch plotting jobs in progeCAD, there are several ways to start the PUBLISH command:..From the "progeCAD Button" (similar to the "Office Button").. ..From the "Output" Ribbon Menu... ..By starting to type "publish" in the progeCAD Command Bar.. Once started, the PUBLISH dialog will display, allowing you many options for plotting multiple documents and workspaces as a single job: As one can see, there are quite a few options here to work with. The basic idea is to create a list of drawing files - either from the currently opened files in progeCAD or using the "Add Drawing" button (triangle button with the plus, above). Individual workspaces (Layouts, model...

progeCAD 2017 Graphics and GPU Review

Sydney, Australia 05 October 2016 - With the recently available progeCAD 17.0.8 service pack, the CADDIT team has revisited last year's review of CAD hardware. As stated in the update announcement on CADDIT.net, progeCAD is a low-cost general-purpose 2D/3D CAD system with very tight compatibility to recent versions of AutoCAD. Since the landmark progeCAD 2013 release several years ago, our development team has been spending considerable effort to improve our use of OpenGL hardware acceleration commonly employed by CAD software like AutoCAD and Geomagic. OpenGL is essentially a machine language for sending commands like draw and shade directly (in a process sometimes called "direct rendering") to an OpenGL-speaking graphics card for display on the screen. These commands are often wrapped inside other languages like C++ for callable use by developers to tie into their software - like CAD, games, many video players and other highly-demanding graphics applications.The inner workings of OpenGL per diagram from WikipediaThis year we began introducing two significant hardware assets for graphics testing in our labs: Dell XPS Laptops (15 inch series) with Nvidia GTX 960M series GPU, now with a "game-ready" driver update version 372.90 (free update from NVidia.com). I really like the XPS and have taken one for use myself. Other legacy systems tested are an HP Pavilion running Windows 7 on a Intel Core 2 Quad Q6600 2,4GHZ processor with Nvidia Quadro K1200 GPU and a new Asus with Intel i7-3770 @ 3.40 GHz Windows 10 PRO x64 / Nvidia GeForce GTX 550 Ti (working at 1680x1050) - both with updated Nvidia v372 driver updates as well.This year we again employed the FRAPS graphics utility for our performance analysis. Combined with results from the previous year, average speed on all systems all measured between 20 and 30 refresh frames per second (FPS)...

Alibre and progeCAD 2013 End of Support

Sydney, Australia 19 September 2016 - CADDIT Announces end of all legacy support for the following outdated products:"Alibre Design" - All Versions (not including Geomagic Design). Users wishing to maintain a support relationship with CADDIT Australia should now be using Geomagic Design (full version) instead.progeCAD - 2013 and earlier versions only. Up-to-date subscription and new license users are not affected. Other users can upgrade here (link).Why is installation support removed from very outdated product versions? First, we want to express our appreciation for all of the engineers, architects, builders, designers and manufacturers who have selected our products from among many in the past. Our products have advanced significantly. Frankly, we have little choice in this matter of very old version support. With Operating System support removed from Windows XP and Vista by Microsoft, supporting older software not only becomes unviable, but also unsafe as these systems are no longer provided with critical Functionality and Security patches. Windows 7 EOL (End Of Life) was announced by Microsoft (see table here http://windows.microsoft.com/en-us/windows/lifecycle ).As with previous EOL announcement, end of support means any help from our local office in re-installing, moving, lost keys or passwords, registering, unregistering or otherwise assisting a user of a deprecated product. progeCAD users from any version will, however, still have the option to buy a license lookup (link) should they misplace their installers or serial codes. Users of progeCAD versions newer than 2013 continue to be entitled to one free lookup for each active license.I have progeCAD 2010 and I lost my license. What can I do?You will need to buy a license lookup service for each license in question, here:https://www.caddit.net/store/index.php?main_page=product_info&products_id=91I have progeCAD 2014 and I lost my license for the first time. What can I do?Contact us here for your free one-time lookup:https://www.caddit.net/store/index.php?main_page=contact_usI have Alibre Design 2012...

CADprofi for progeCAD 2017 Released with progeCAD Update 17.0.6.15

Sydney, Australia 26 August 2016 - CADDIT announces the simultaneous release of two products: CADprofi for progeCAD 2017 x64 and major progeCAD update 17.0.6.15 for immediate download on CADDIT.net or CADDIT.com.au. CADprofi 12 is a brand new release, now supporting the latest version of progeCAD Professional. progeCAD is a powerful low cost AutoCAD alternative for Windows offering perpetual license, similar commands and interface. progeCAD 17.0.6.15 is an important update including dozens of improvements in areas of user interface, developers API and other aspects.CADprofi 12 is a full-feature 2D/3D MEP add-on module set for progeCAD 2017 Professional. Each module specializes in major areas of building design: Electrical installation design, HVAC ductwork and hydraulic plumbing systems, Architectural details and Mechanical assembly design. Each module adds domain-specific knowledge to progeCAD's general-purpose CAD environment. CADprofi is also supported on AutoCAD and AutoCAD LT.The progeCAD 2017 enhancements include many fixes:- Fixed FLATSHOT and SOLPROF to generate complete projections and create arcs and circles (not elliptical)- Fixed usage of custom paper size such with HP 500 plotters- Fixed crash in NVidia Quadro driver- Fixed crashes using crash reports- Fixed error using PC3 referring to an unavailable plotter- Fixed OVERKILL performance- Fixed regen of blocks after layer thaw- Fixed deadlock in property palette refresh switching layout- Fixed SWEEP command in surface mode with closed object- Fixed direction of extrusion of BOX command- Fixed set of FONTALT variable for eastern asian languages- Fixed -ARRAY command with localized default options- Fixed preview of create table dialog- Fixed hide of ANNOALLSCALE and ANNOALLVISIBLE status bar panes- Fixed resize of LAYWALK dialog- Fixed crash grid zooming out to infinite- Fixed COPYTOLAYER to show layer dcl- Fixed second level flyout size- Fixed crash setting transparency to plot- Fixed erase of layer DEFPOINTS from layer palette- Fixed localization of some messages in...