A question about comments

Hi, all,
I have a question about the comments:
Program function comments should be included on the block diagram or Front panel, or both. Thanks.

Many good things have already been mentioned.
For the Front panel, there should be a clear distinction between toplevel VIs (or any subVIs where the user must interact with the front panel), and subVIs where the front panel is only of interest to the programmer. The needs here are quite different:
User Interface VIs
The front panel should be clear and easy to use. All "help" elements, tip strips, etc are geared towards the end user. The icon is irrelevant, because it is typically not even shown. Everything of interest to code maintenance should be on the diagram.
subVIs
Here, the front panel can contain a description of what the subVI does, who created it, company and copyright information, version information, limitations (e.g. input A must be >0), URLs or literature references to the algorithm, etc. (Have a look at any of the openG tools!). The "VI properties...documentation" section should be populated. The icon should be descriptive. All controls and indicators should have intuitive names (not just "Numeric 4", or "Array" )
Comments specific to certain areas of the code should be placed where they apply, especially if the code uses some exotic algorithm that would make the code hard to interpret.
Use a programming style that is self-documenting. (e.g. Don't unbundle the error cluster check for "equal zero" to switch a case statement. Wire the error cluster directly to the case so you'll get a red/green error case structure. Much more obvious!)
If these are proprietary VIs with password protected diagrams You should split the comments: Anything of interest to the non-privileged user goes on the front panel, anything else on the diagram.
In the end, it does not really matters where you place the comments as long as they are easy to find later and still make sense to somebody else 10 years from now. Message Edited by altenbach on 05-30-2005 01:13 PM
LabVIEW Champion . Do more with less code and in less time .

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    >
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    So wading into video ... oi vey, you may have noticed the things claimed here there & everywhere ... this setting is God's Gift to Humanity but no, it's total crap ... this sensor is totally flawed but someone else is certain it's the finest piece out there. Yes, opinions will be all over ... but ... in film, it was the densitometer. In video, it's the scopes. Truth. And getting to that can be a right pain. I've seen quite a few contradictory comments about using the BM cams in film mode and also at ISO 200. Yours above gives the most ... comforting? ... explanation (for me) because of your reference to your scopes & the waveform patterns. Thank you.
    Love to learn ...
    Neil

  • Please do not post questions about Adobe software in this forum

    Hello, welcome to the forums.
    What you may not realise is that each Adobe product has its own specialist forum, and it's very important to choose the right one. This forum isn't about products, it's about comments on the forums themselves.
    So, please go back to http://www.adobe.com/support/forums.html and choose the right forum. But first, make sure you know the name of your product.
    When you look at the list of messages in a forum, there is a box above that describing what the forum is for. Take care to read it carefully, or you may put your message in a forum where there are no experts who understand your question. Also, check to see whether there are any "FAQ" (Frequently Asked Questions) sections in the product forum, and search for previous discussions about the question you wish to ask before starting a new one.

    this is maybe because users are directly forwarded to this forum when looking for a contact in the otn-contact page. i suggest to change the contact-site and the direct the users to the "forums home" page.
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  • General Questions about BI

    Hello,
    I want to get into SAP BI and have some questions about it.
    Is there a big downside in installing only the BI components without the Java BI components, or is it even possible if you want to work with BI. What are the general differences between BI and Java BI?
    I think the main aspects i will work with will be data warehousing and some basic reporting.
    The reason why i'm asking is that i want to run the BI components in the same system as the ECC Server (its just a test system). I read that the Java BI component needs EPC and EP and that would probably be too much for a single system (6 GB RAM).
    Thanks a lot in advance,
    Martin

    Thanks for your hints, they were really helpful.
    As i mentioned i mainly want to work with the general Data Warehouse and Reporting capabilities, so i think it should be okay.
    Actually i'm planing to write about BI and SAP within my master thesis.
    Another question, what will be with SAP BI in the future regarding the Business Object acquisition? Is there still any point in learning SAP BI or will SAP BI disapear in the future? I heard that the basic BI functionality (e.g. Datawarehouse ) will still be used but the reporting capabilities  would be disappear. I'm not sure if that is right and i'm really new to this topic. So any comments are welcome.
    Thanks,
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  • Question about VB OracleConnection

    Hi all,
    I would like to open an OracleConnection in my VB code and then call another vb function (in order to maintain good modular programming standards) within the same program using the same oracle connection whenever I try this I get a no connection open type of error.
    So just to be clear, can I pass the connection between sub procedures and functions in order to not have to open and close a bunch of connections?

    Sen,
    Your question seems to be related to one of your previous postings in the Measurement Studio for Visual Basic Discussion Forum. Whenever you have further questions about the same issue, instead of posting a brand new question, you can simply add a "Comment" to the reply you got (by clicking on "Comment on this answer"). Here's a link to your previous posting where you can do this:
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    Besides, you'll have a better chance of getting an answer in the Measurement Studio for Visual Basic Discussion Forum since the question is related to that product.
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  • From USB to IEEE-1394: question about HD capture, editing, sharing.

    I’m new to editing video but have a question about capturing video into Premiere Elements 7. I have been using a Canon HF11 which shoots only in HD and only has USB output to copy video to my desktop. I don’t have a Blu-ray burner yet but I have burned a few projects to DVD, shared video on YouTube, and saved files in .avi and .mpeg to view on computer screens. But obviously I’m missing out on sharing HD on disk at this time. I just bought a Canon XH A1s which shoots both HD and SD on miniDV tapes. And uses IEEE-1394 cable for capturing (to Pre7). I did a 3 minute test project in SD and burned it on a DVD disk. I was very pleased at the results and the ease of editing. I don’t have any HD tapes yet, but when I do what differences will I experience from shooting in HD and then capturing, editing, then to sharing? My current HD processes with the HF11 is slow, occasional low-resources warnings, and less then pleasing results on DVD disks. Thanks for any and all comments and/or suggestions.

    Your HF11 is AVCHD format and the Canon XH A1 is HDV MPEG2. AVCHD takes a lot more computer horespower to edit compared to HDV MPEG2... main reason being that AVCHD is more highly compressed giving small file sizes. This is also why you get the low resource and memory alarms while editing.
    To shoot HD you do not need HD miniDV tapes you can use the standard miniDV tapes. However the HD tapes are supposed to give fewer drop-outs than the standard tapes but are considerable more expensive. With DV-AVI a drop out would be hardly noticed, but as HDV MPEG2 is a compressed format and the picture relies on information in a number of frames any drop-outs can give a second or so of bad video. That said I have had very few issues with drop-outs. If you are doing a wedding or something important that you do not want to risk then probably better to use a HD miniDV tape.
    In the past the advise has been to capture in high definition to get the best quality and then downconvert in the camcorder and capture in DV-AVI... the reason being that older versions of Premiere Elements did not do a good job of the down conversion. Reports on PE7 indicate it is better and that you could use a HDV workflow and burn to DVD as a last stage. This also allows you to export a high definition version of your video to view on a monitor where you can appreciate the higher resolution. Or in the future when you have a Blu-ray burner and player you can burn the file to disc... save doing all the editing all over.

  • How do I find my earlier questions about PSE organiser?

    I have asked a couple of questions about Pse13 ,one specifically deleting duplicates from organiser. If no one answers the question and I do not receive an email, what can I do but keep asking? I paid good money for this new version but there is no chat support and they just refer you to the forums. If no one answers the question then I might as well go back to Pacasa.
    Any comments from Adobe?
    Col.

    Hi,
    This is a user to user forum so we are just users like yourself - Adobe staff do sometimes visit and add comments.
    To se your own questions, log in to the forum and click on the down arrow next to your avatar on the top row. From the drop down, select Activities and Inbox and that should bring up a list of the questions you asked.
    It can be worthwhile bookmarking the page so that you can quickly go to it later.
    Hope that helps.
    Brian

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