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  1. #51
    Join Date
    Aug 2013
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    Oxfordshire, England
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    Hi Icepick ,

    Thanks for the advice, I think what I'll probably do is keep to the "reasonably priced" short throw projectors off eBay that have 50% or more of their lamp life left. This will allow me to get a reasonable projector and if I upgrade every 2 to 3 years then hopefully for the same price as the previous one, I can get a more advanced projector with better ANSI lumens and resolution. This would then give me a reason to re-map and to try different techniques and effects.

    I have a couple more questions:

    1. Projector safety and security
    Halloween where I am iis generally wet and windy. How do you keep your projector safe from the elements and also safe from being interfered with (i.e. moved or shaken) by inquisitive ToTs or at worse picked up and stolen?

    2. Effects
    On YouTube there are some great Halloween projection mapping videos with the house being knocked down at the finale, bricks or sections of house spinning around like shutters or Rubiks Cube. How are these effects achieved? Are they generic so any video editing software will do it or are they specific to individual software? Are there names for effects dos if you watched a particular Halloween projection mapping videos you would say ah, they did x, y, and z effects. Are there any web resources that list describe a load of effects so that us novice mappers, once we have 3D traced our houses, can say right lets do A, B, C, and D to the effects and add such and such extra videos as well?

    Many thanks,

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  3. #52
    Join Date
    Aug 2013
    Location
    Oxfordshire, England
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    Quote Originally Posted by Icepick View Post
    I myself use a program called screen marker. It's free and easy. I run the software and color my entire screen black. Using the line tool,( switching to white) I then draw onto my house tracing anything I want to project on.
    Sorry, I'm being a complete newbie on the first step of 3D tracing the house.

    I'm trying to work out the actual software that you're referring to as a lot of different links come up for "screen marker", who makes it?

    Secondly, can anybody recommend a decent "full screen drawing program" for Mac? I tried Paint 2 which I can't get to go full screen.

    Once again apologies from an ex-Windows user who is now floundering in Mac

  4. #53
    Join Date
    Nov 2013
    Location
    Indian Trail NC
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    660

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    Quote Originally Posted by Privateer View Post
    Sorry, I'm being a complete newbie on the first step of 3D tracing the house.

    I'm trying to work out the actual software that you're referring to as a lot of different links come up for "screen marker", who makes it?

    Secondly, can anybody recommend a decent "full screen drawing program" for Mac? I tried Paint 2 which I can't get to go full screen.

    Once again apologies from an ex-Windows user who is now floundering in Mac
    Sorry for the delayed replies. I do not have a Mac , but any "highlight" type program should work. Preferably one that allows free form drawing as well as custom shapes and perfectly straight lines.
    click here
    Link to my projection mapping tutorial.

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  6. #54
    Join Date
    Nov 2013
    Location
    Indian Trail NC
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    Quote Originally Posted by Privateer View Post
    Hi Icepick ,

    Thanks for the advice, I think what I'll probably do is keep to the "reasonably priced" short throw projectors off eBay that have 50% or more of their lamp life left. This will allow me to get a reasonable projector and if I upgrade every 2 to 3 years then hopefully for the same price as the previous one, I can get a more advanced projector with better ANSI lumens and resolution. This would then give me a reason to re-map and to try different techniques and effects.

    I have a couple more questions:

    1. Projector safety and security
    Halloween where I am iis generally wet and windy. How do you keep your projector safe from the elements and also safe from being interfered with (i.e. moved or shaken) by inquisitive ToTs or at worse picked up and stolen?

    2. Effects
    On YouTube there are some great Halloween projection mapping videos with the house being knocked down at the finale, bricks or sections of house spinning around like shutters or Rubiks Cube. How are these effects achieved? Are they generic so any video editing software will do it or are they specific to individual software? Are there names for effects dos if you watched a particular Halloween projection mapping videos you would say ah, they did x, y, and z effects. Are there any web resources that list describe a load of effects so that us novice mappers, once we have 3D traced our houses, can say right lets do A, B, C, and D to the effects and add such and such extra videos as well?

    Many thanks,
    For weather proofing and security, I used a speaker box for 15 inch subwoofers that I sprayed with "plastic-dip" (rubberized paint) to weather proof. It's also quite a heavy box, and far enough away from prying eyes (and sticky fingers) so it isn't an issue. I also bring it in every night (only run the show for the week of Halloween) so as to not create temptation. I will try to get a photo of what I use at some point, or find the thread where I posted photos to already.

    For the effects, you can custom build your own in after effects, or use mapping templates (to an extent) to create some cool things. After effects has a crumble effect that I used to make a gingerbread house (for Christmas) crumble away at the end. In serif, you can do like say "spinning shutters", by setting key frames and rotating you video track. I was really hoping to get more tutorials done showing some thing that can be done in serif movie plus, but time has become a precious commodity for me since I have started working again.
    click here
    Link to my projection mapping tutorial.

  7. #55
    Join Date
    Nov 2013
    Location
    Indian Trail NC
    Posts
    660

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    Privateer, check your private messages.
    click here
    Link to my projection mapping tutorial.

  8. #56
    Join Date
    Jun 2016
    Location
    Bakersfield Ca
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    101

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    Quote Originally Posted by SavageEye View Post
    Looks sweet! What kind of projector are you using? I really want to do this but I have a large tree in one half of my yard...


    Quote Originally Posted by Icepick View Post
    You are correct that the angles will transfer to your finished product. If you don't angle your overlay ( say stone walls) they will look off. What I did was draw in reference lines of my siding so I could match my images to. Last year I did a decrepit run down house with peeling painted siding. My reference lines were used to line up my peeling painted siding image, so I even had everything lined up plank for plank.
    M323993
    Here is a reference image, albeit sideways.

    Edit: I don't remember what software your using for video editing, but with serif, if you hold the control key then grab a corner of the video frame, it makes it easier to adjust for this situation. Other software editing programs can also do this by adjusting your video tracks in "3-d" space, just serif made it super simple. That's the main reason I used serif to begin with, the ability to make quick easy adjustments to match those weird angles.
    I also have a few trees that are blocking my way , I bet for many not all having a short throw projector would work best for this.

  9. #57
    Join Date
    Aug 2013
    Location
    Oxfordshire, England
    Posts
    24

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    Hi Icepick,

    Many thanks for your help and advice and also for your PM.

    I'm kinda making things harder for myself by moving over to Mac (from Windows) so not only do I have to learn the Mac, I have to find the necessary (and right) software which is time consuming. Coupled with the fact that I have other non-Halloween projects on the go plus I have to work means that it's taking me a long time to do things and thus reply. However, I have found a couple of useful things so far for Mac users:

    Full screen drawing/paint program for Mac

    I have found that Paintbrush by Soggy Waffles is a great paint program and is similar to MS Paint. It allows you to go full screen and you can quickly invert the screen, which makes it ideal for 3D tracing.

    Display Menu

    Icepick has said how important is is to set your computer's screen resolution to the same as your projectors native resolution, well Display Menu by Thorsten Karrer (in the Mac App Store) is a useful little app that allows you to quickly set your screen resolution. Display Menu is free and can do a limited number of screen resolutions, you can upgrade it to Display Menu Pro for 1.99, which gives you more resolutions.

    Now that I have a full screen paint program and the ability to easily change my Mac's screen resolution I shall look for a projector and the necessary cables to connect to the Mac. Then I can create a 3D trace of my house, probably when the weather's a little warmer! As the projector will be a used one, sourced via eBay (or similar), it will take me some time to get my hands on the right projector for me.

    I'm glad that I looked into Projection Mapping when I did, as things are progressing very slowly due to the aforementioned interruptions. However I'm enjoying the challenges and looking forward to the finished display.

    Regards,

 

 
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