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Subject: 
Re: Instructions for new fire truck - Ladder 110
Newsgroups: 
lugnet.inst, lugnet.town
Date: 
Sat, 2 Aug 2003 19:25:11 GMT
Viewed: 
5204 times
  
In lugnet.inst, Allan Bedford wrote:

snip

  
However, I did notice something in your picture above. You have the parts list for that step as part of the instruction image. Are you doing that manually? Or is there an option in LPub that combines the two automagically? :)

I’m not at my LPub computer right now, so I can’t tell you, but it is a *menu* item just below the one you use to generate images.

  
  
2. Provide different color backdrops for different sub-model levels (that is how the foot assembly in the above image has a yellow backdrop).

I was going to play with different backgrounds for my main instruction images, but haven’t had time yet.

  
3. Pack the step number, the part list image for the step, the step assembly image and any callout images all into the same image for you automatically. Other than doing a lot of programming to add the new features, I didn’t have to do any extra work to get the composite image shown above.

See question above. I can’t figure out how that’s being done.

In the extra procesing step via the extra menu I just mentioned.

  
   Combining all these features got me this single sheet building instructions for one of my tiny bipeds with no manual editing.

No image editing at all? So again, there must be an option I’m missing, that inserts the BOM into each step image.

Actually in the image above you are seeing a Part List Image.

  
   I would wait for 2.2.0.1 though before upgrading to a new LPub. There are some annoying bugs in 2.2.

I guess I didn’t realize that 2.2 was a bit buggy. When I went looking for the suite of apps to start doing instructions I just downloaded the latest greatest of each one. Which is how I got POV-Ray 3.5, which I have since found out isn’t best friends with LPub. :(

Since you don’t use sub-models you avoid the first bug. If you are not having trouble then you are avoiding the other known bug.

  
  
   I personally think there are too many steps for a model this size. That’s another thing I’m experimenting with. I’m hoping the next few will be a bit more efficient.

   Stylistically though, I just can’t get excited about lightening previous parts to show current step parts,

What you see is the default in LPub. I tried backing off that option, so that previous step colors remain at full intensity, but it didn’t end up looking like an official instruction book for some reason. I went back to the default only because there would be little confusion over what the new pieces were. Except of course when you use white pieces, as in the ladder, and then there is confusion. I can’t win. :)

Larry’s expressed this opinion before, so I know it well.

You can choose some other color than white, or just mix a little white with the brick color to give a similar but less drastic effect. See “Previous Parts Color Scaling” scrollbar.

I’m completely split on this issue. I think, for me, it will be a decision I’ll make on a model by model basis. I did use the technique you describe above when I did the instructions for a small train station recently. It worked fairly well, though I may have pushed the scrollbar a bit far. Some of the previous steps ended up dithering the existing bricks a bit much.

  
  
   or by the use of rendered parts without strong edge lines.

Again I went with the default within LPub. (which is .5) What value would you recommend?

   I like the more cartoonish instructions that Lego themselves do, with big chunky edge lines. But that’s just me.

I totally agree. In fact that was something I told Will Hess about his recent 6-wide instructions. I do want to get to that cartoonish look. I guess I just have to figure out what options/settings to lower in order to obtain that look, without sacrificing quality.

I’ve found the learning curve (to produce both instructions and especially renders) to be fairly steep. Maybe that’s just me. Normally I am very comfortable with new software, but not in the case of the suite of programs needed to produce these types of images. I wish there was a very basic tutorial that walked you through producing those ‘cartoon’ type images, for dummies like me who are computer literate, but not graphics literate.

I have two seperate emails from two different times from Ahui Harrera telling me that LPub’s Mega-POV defaults were *wrong*. Each time I expained to him that by definition they were right, because as the developer I get to decide what they are.

I can’t comment on Mega-POV as I don’t even have it installed. I wanted to make sure I was comfortable with the core software before adding yet another variable into the mix.

   LPub added “Minimum Camera Distance” to dramatically reduce this issue and eliminate need for manual shrinkage.

You have Minimum Distance on both the STEPS and the PARTS IMAGES tabs, under BUILDING INSTRUCTIONS. Is there some quick way to describe the difference? I typically am only changing the STEPS distance (usually lowering it from the default) in order to have my models fill the screen more.

The STEPS one is the one you are changing and it affect the first image generation phase: construction images.

The PARTS IMAGES one controls the rendering of individual part images that are then composited together to make Part List Images (PLIs) and BOMs.

  
  
   That was why I mentioned the .CAD thread about lighting techniques. Everyone offered such good advice, but it came from a half dozen different people and none of it was information I’d been able to locate online or in any of the help materials included with the apps.

O.K. I’m done griping now. ;)

Don’t bite the hand that feeds you like Tim often does.

I definitely wasn’t trying to do that. I was trying to walk that fine line between asking for help and expressing my thoughts about certain aspects of the software (not just yours) that I found confusing. Please believe me when I say that I appreciate and respect what all these apps do in combination with each other. I love that I can produce instructions for LEGO models.

I know you weren’t. The emphasis there was on the Tim part (he and I have to talk at BrickFest).

  
If I were to offer a gentle suggestion... it might be that some of the documentation that accompanies these programs could be geared more to LEGO builders, rather than graphics junkies. For example: I knew zero about an app like POV-Ray before I started using it. I now know 1.73625 % of all there is to know about it. In other words, I’m still a graphics idiot. But I find their documentation to be heavily slanted towards folks who are very graphics savy.

I might recommend a book “LEGO Software Power Tools” (shameless plug) that does this. It talks about MLCad, LSynth, L3P, POV-Ray, LPub.... The POV-Ray part is pretty thin.

  
Now, POV isn’t a LEGO program... of course. So why should LEGO be in their documentation? It shouldn’t. But what I find hard to grasp sometimes is that people might offer the suggestion to “read the POV-Ray help files and you’ll find your answer.” Which normally I would agree with, but because their documentation is so thick with graphics terminology I don’t understand, it’s of little help. I have always used this example when describing that type of documentation. It’s as though they are saying:

“A shovel is a tool used to shovel.”

It’s a very accurate statement, but not very helpful if it’s the shovel that you’re trying to understand. In the case of ray tracing, it’s the shovel part that I don’t understand and that’s why I get frustrated with their docs.

I hear ya. Maybe it’s one of those “I suffered through it, you should too” kind of deals. I’ve had to slog my way through some of that stuff, and I know a fair amount about computer graphics and I get overwhelmed.

  
All that said, I have found some wonderful suggestions being offered by the LUGNET gang. Surprise? No, this is what I would have expected. But again, I sometimes found it hard to even understand the question I wanted to ask. Luckily, thanks to lighting and other tips provided by people here, I’m at the stage where I think I can do most of what I want to do with this software.

Sometimes it can be a *lot* of work trying to translate something like POV documentation into English that can be read by mere mortals ;^) I know this after having co-authored in a few books. I like my editors, but computer saavy they are not, much less technical about LEGO. Getting so they could understand it was a tiresome, but neccessary effort.

  
I suspect what I’ll do for myself at some point is go back through the threads where I’ve asked these questions and gotten help and then put all of it into a ‘tips, tricks and just plain good advice’ document, so that I can have all of this knowledge handy. (1)

  
   Thanks for the input Larry! Sorry for the long rambling reply. And just think, I haven’t even had my coffee yet this morning. :)

I like long ramblings when I have the time and patience.

Me too. :)

But again I have done this today without yet having had my coffee. Weird.

Thanks Kevin, for all your hard work and for providing this key piece of software.

You are welcome.

  
Best regards,

Allan B.

(1) Keeping in mind that I had a strong communications/writing background before I got into programming. I happen to be a guy who likes to write code and documentation. I know that’s not the norm, but then when have I ever been considered the norm? ;)

Kevin



Message has 1 Reply:
  Re: Instructions for new fire truck - Ladder 110
 
(...) LAYOUTS is the menu item. And yes, it does work! I'm guessing it didn't work for me earlier, because it needs the parts and the step .jpg's already created... is that right? And my guess is that I tried using it as a first step, not a second (...) (21 years ago, 3-Aug-03, to lugnet.inst, lugnet.town, FTX)

Message is in Reply To:
  Re: Instructions for new fire truck - Ladder 110
 
(...) find any way to do it. For me, that's o.k. since my models right now are small and relatively simple. However, I did notice something in your picture above. You have the parts list for that step as part of the instruction image. Are you doing (...) (21 years ago, 2-Aug-03, to lugnet.inst, lugnet.town, FTX)

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