Hi guy! I’ve been lurking around the forums for about a month or so now and this technology has really caught my attention. I believe I have a good enough understanding of most of the components to be able to attempt to build a table based on the FTIR method. I still have a few lingering questions though.
I would like to use an LCD screen for the display because I am worried about loss of quality with a projector and trying to find a good position for a projector to display the image properly. The problem I now run into is that I’ve read some people have problems with the compliant surface distorting the image. They solve this by simply taking the compliant surface and acrylic away, but then how does the camera detect blobs when you have taken away the entire FTIR portion of the table? I may have misread things but that is the general idea I am getting. I believe PeauProductions once said that you could not do FTIR with an LCD, but then I see 2 or 3 other people who have managed to do it. I think this would be the best choice of a display for me and want to make sure I know exactly how everything works before I commit to buying a screen.
If the LCD screen ends up not being an option, does anyone have any advice on finding a good projector? I would prefer it to be under $400, but if I must stretch a little I should be able to do it. I have been waiting to actually design the table until I found a suitable projector because I know a major factor on the size will be the throw distance. I am currently considering the Acer X1261P.
To help give an idea of what my final product should be like, I want a coffee table type setup. The screen will be in the middle and have some space on the sides to rest cups or other objects. To deal with any spill that might happen, I have chosen to use a 225 Neutral Density Frost Lee Filter which is supposed to be waterproof, if I remember my reading right. The screen itself may be anywhere between 26” to 36” depending on what kind of size the image turns out to be after I got the projector set up, or after I verify that the LCD route is a viable option. The main function of the table would be a sort of entertainment center. I plan to have speakers embedded into the frame and we would be able to play music through them. Using a program called TVersity I will be able to stream movies to an Xbox 360 console to play on the television that is also in the living room. The table will be used for games and the like.
If anyone has any questions or needs more information, please don’t hesitate to ask. This is a big project for a 1st timer and I’m going to need all the help I can get!