galaa

I was looking for a way to create a feathered circle through one video layer into another video layer. I came across the "js_circlemask.js" example that Joshua posted (Brilliant!) which is exactly what I was after and even uses the same method of 'punching' through the alpha channel using jit.alphablend that I was using to create a standard circluar hole. So, I thought that everything should be straightforward when incorporating Joshua's patch into my own...

My patch, which is pretty complex and relies on a number of external files which makes posting it here a bit difficult, uses xy coordinates to define the position of the cirle within the video layer. When I put Joshua's patch in its entirety into mine and drive the position of the feathered circle using my scaled coordinates it works fine. But then when I try connecting the output of the js object to my original alphablending system (which is the same as Joshua's) in a different part of the patch It stops working.

I get the following message repeatedly (everytime the coords update) in the Max window:

• error: js: js_circlemask.js: Javascript ReferenceError: image is not defined, line 85

• error: js: error calling function jit_matrix

I'm not sure what the problem is as I am using the same method as Joshua to create the hole in the video and then layer this with another video. It's just in a different place. 

Does anyone have any ideas as to what the problem might be?

Hi,
I was looking for a way to create a feathered circle through one video layer into another video layer. I came across the "js_circlemask.js" example that Joshua posted (Brilliant!) which is exactly what I was after and even uses the same method of 'punching' through the alpha channel using jit.alphablend that I was using to create a standard circluar hole. So, I thought that everything should be straightforward when incorporating Joshua's patch into my own...

My patch, which is pretty complex and relies on a number of external files which makes posting it here a bit difficult, uses xy coordinates to define the position of the cirle within the video layer. When I put Joshua's patch in its entirety into mine and drive the position of the feathered circle using my scaled coordinates it works fine. But then when I try connecting the output of the js object to my original alphablending system (which is the same as Joshua's) in a different part of the patch It stops working. 

I get the following message repeatedly (everytime the coords update) in the Max window:
• error: js: js_circlemask.js: Javascript ReferenceError: image is not defined, line 85
• error: js: error calling function jit_matrix

I'm not sure what the problem is as I am using the same method as Joshua to create the hole in the video and then layer this with another video. It's just in a different place. 
Does anyone have any ideas as to what the problem might be?
Thanks
galaa


yet-another-js-question

It could be a good idea to post the appropriate parts of the patch and the javascript.

All I had to do was change the size of the matrix being produced within the javascript.

Sorry, doesn't matter.
All I had to do was change the size of the matrix being produced within the javascript.
oooops!!!


Yet another js question