Tag: <span>LISP</span>

Tag: LISP

AutoCAD, BricsCAD, BricsCAD V17, Bricsys, CAD Management, Customisation, Development, Documentation, Review, Tip

BricsCAD documentation – a tale of three systems – part 3

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In this third post in what was supposed to be a two-part series, I have more to say about the BricsCAD documentation system. See here for part 1 and here for part 2. Developer Help – Addendum In this comment from Bricsys API person Torsten Moses, he informed me about the availability of the Lisp Developer Support Package (LDSP) in the Bricsys Application Catalog. As always, when presented with new evidence I am prepared to re-examine my position on anything. Therefore, I will now further discuss the BricsCAD developer documentation. The first thing to mention is that the existence of …

AutoCAD, AutoCAD 2017, BricsCAD, CAD Management, Development, Interoperability, LISP, Performance

BricsCAD’s LISP kicks sand in the face of AutoCAD’s

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If you’re a power user or CAD Manager transitioning from AutoCAD to BricsCAD, one of the things you’ll like is that almost all of your LISP routines will just work. That’s not an statement that can be made about various Autodesk products that bear the AutoCAD name, such as AutoCAD 360, AutoCAD LT and AutoCAD for Mac. It’s not just simple old AutoLISP code that runs in BricsCAD, but complex dialog routines that use DCL, and Visual LISP stuff that uses ActiveX. Yes, even on the Mac and Linux platforms. Some DOSLib functions are built in and the rest can …

Autodesk, BricsCAD, Bricsys, Bug, Customer Service, Customisation, Development, LISP, Win

BricsCAD startup LISP bug fixed

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In my previous post I have a real problem with BricsCAD, I related my then-latest interaction with the Bricsys support system: Steve Johnson 05-12-2016 05:30 UTC I don’t know if this is a BricsCAD problem or a DOSLib one, so I am reporting it to both Bricsys and Dale at McNeel. I’m also not sure if this was happening in earlier versions. If I load DOSLib during an S::STARTUP call and then use the (dos_msgbox) function later in that call, this fails the first time round because BricsCAD things the function is not defined. Opening a second drawing results in …

AutoCAD, AutoCAD WS, Cloud, Customisation, Development, LISP, Thoughts

LISP programmers, have your say again

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Autodesk wants your input again in its annual API survey. This used to be a closed survey for Autodesk Developer Network (ADN) members, but has been open to all for the last few years. If you do any AutoCAD-based development at all, I encourage you to take part. That includes those of us who do most of our development in LISP. Here’s the direct link to the survey. As you can see if you click the link, there’s a lot of stuff in there that assumes you’re keen to get developing for AutoCAD WS. If you’re not quite so filled …

AutoCAD, Autodesk, Customisation, Development, LISP, Other Blogs

Programmers, have your say

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Autodesk wants your input in its annual API survey. What used to be a closed survey for Autodesk Developer Network (ADN) members has been open to all for the last couple of years, and if you do any Autodesk-based development at all I encourage you to take part. Yes, that includes those of us who do most of our development in LISP. In fact, I am especially keen to see LISP developers adequately represented in this survey. This is a one-page survey and it doesn’t take long. The full list of API surveys is on Kean Walmsley’s Through the Interface …

AutoCAD LT, Autodesk, Development, Interoperability, Interview, Legal, LISP, Other Blogs, Other Products, TrueView

CAD International interview on drcauto and other subjects

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This morning I spoke with CAD International‘s Nigel Varley. Here is a paraphrased summary of the interview. SJ: When did CAD International buy the drcauto intellectual property rights? NV: About two weeks ago. SJ: You are currently helping drcauto customers with authorisation codes, is that correct? NV: Yes, masses of them. It’s taking up a lot of our peoples’ time. SJ: Are you charging for this service? NV: Not at present. SJ: Do you intend to charge for this service in the future? NV: Maybe. We may need to, both to pay for our time and to recoup our investment. …

Autodesk, LISP, Other Blogs, Other Products, Other Sites

More on drcauto, LT Toolkit and CAD International

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Things have moved on since my first post on this subject in which I passed on the information that Leonard Liang (a former drcauto employee) could help with codes for LT Toolkit orphans. In recent developments In a comment in a WorldCAD Access post, Nigel Varley from Australian company CAD International stated that they had bought the intellectual property rights to the drcauto software, and that drcauto codes and software obtained from former employees are illegal. Another comment on the same post from former drcauto employee Kevin J Secomb lamented the demise of Gary D’Arcy’s dream and criticised CAD International …

AutoCAD, Customer Service, Development, LISP, Other Blogs, Tip

Hope for drcauto LT Toolkit orphans

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LT Toolkit from the now-defunct drcauto was an add-on for AutoCAD LT that provided LISP and other capabilities that Autodesk disabled. Autodesk hated this, of course, but the late Gary D’Arcy made sure everything was done legally so it couldn’t be stopped even by Autodesk’s hyperactive legal team. If you are a user of LT Toolkit and you want to keep using the software now the company has closed down, you may find this information from Evan Yares useful: I’ve gotten in contact with Leonard Liang, the former key developer at DRCauto. He’s asked me to send any Toolkit Max …

AutoCAD, Autodesk, Bug, LISP, Tip

AutoCAD virus protection update

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As I mentioned in my last post, I had some reservations about the code provided by Autodesk to deal with suspect acad.vlx and logo.gif files. Based on a suggestion from Jimmy Bergmark, I have written my own, safer version which you can download here: clean_virus_safe.lsp. The comments at the top of the clean_virus_safe.lsp file explain what to do with it, but I will reproduce some of the relevant points here. Purpose: Checks for existence of acad.vlx and logo.gif files, which are associated with virus AL/Logo-A, also known as ACAD/Unexplode, ACAD/Agent.A or ACM_UNEXPLODE.B. Written as a safer alternative to Autodesk’s code …

AutoCAD, Development, LISP, Tip

What is loaded at AutoCAD startup, and when?

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Warning, CAD nerd stuff ahead. This is a long and technical post and if you’re using AutoCAD in a largely out-of-the-box state you probably won’t care about any of it. If your modification of AutoCAD extends beyond the trivial, you may find it useful to know what AutoCAD loads, and in what order things are loaded. It is possible for LISP files in particular to tread on each other’s toes, so knowing what gets loaded when can be useful information for diagnosing such clashes. This post aims to provide that information. It uses AutoCAD 2009 as an example, but the …

AU2008, AutoCAD, Autodesk University, DCL, LISP

Autodesk University Session Voting

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This year, the Autodesk University people are allowing you to vote on the various sessions (classes). Here’s the link: AU 2008: Help Us Select the Sessions If I can sort out a few practical details, I am hoping to attend this year as a speaker. I have submitted four session proposals. These are: Customization and Programming Be unfashionable in style with LISP and DCL – Introduction Be unfashionable in style with LISP and DCL – Intermediate Be unfashionable in style with LISP and DCL – Advanced Business How to make a great CAD blog for next to nothing If you …