Forum : Bugs

Did the leaves fall off? Something not working right? Let us know how we can improve the Photosynth experience.

Topic: I can see but can't create

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RedSux (Over 1 year ago)
Hi all.
First of all, I should say that I love this cool technology.  It feels like you're really there.

Here's my problem:
I'm trying to make my own synth, but every time I click on the "make synth" button, it tells me to install Photosynth.  This is even though I've already installed it.  Help?
Sue_the_KAPer (Over 1 year ago)
Mine's doing this a year after your problem. They haven't fixed it yet.
Nathanael (Over 1 year ago)
Sue, I see you've created synths just about a year ago so it must have worked for you sometime.

I'll just run through a few facts for you which may help you clear this up.

:1: To *view* synths, you only need Microsoft's Silverlight web browser plugin. This works on modern Macs and Windows PCs. If Novell's Moonlight team can ever catch up to the Silverlight team, then you can also view synth's on Linux.

:2: To *create* synths, you need to install the Photosynth synther program. You can only use this on Windows 2000 and above. Installing the synther will allow you to upload your own synths. 

:3: If your graphics card|video card is modern enough and you have the latest driver files for it and have DirectX updated, then installing the synther also allows you to use the older (but faster) Direct3D viewer, but again, only on Windows.

The takeaway is that the viewer and the uploader|synther are two different programs. You may not have installed both.
Nathanael (Over 1 year ago)
To spell it out a little more: 

To view synths you will have downloaded Silverlight's installer from

The exact file: 
Intel Macs:
Linux: (Still building Moonlight 3 - The current Photosynth viewer is a Silverlight 3 app.)

To build and upload synths and get the original Direct3D synth viewer, you will have downloaded the synther's installer from

The exact file: 
Windows only:

Older versions of the synther will automatically check to see if there are any updates and download them before allowing you to sign in or upload any new synths.
lhetrick (Over 1 year ago)
    I am having a similar problem...I go to create a synth and add my photos but the button that allows me to create never actually lights up and I can not do anything. Anyone know how to get past this obsticle?
Nathanael (Over 1 year ago)
Hi there, lhetrick, 

What you're probably missing is a title for your synth. Once you have a title in the upper left hand corner and more than three photos, the [Synth] button should light right up.
lhetrick (Over 1 year ago)
Wow...well that makes me feel stupid. Thanks Nathanael for the help, that was my problem.
Nathanael (Over 1 year ago)
Ha. Don't sweat it. Most people have gotten stuck there before.

I first got stuck there after already creating my first thirteen or so synths. I'm not sure if that's better or worse than you. ;)
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