Why are some material nodes connected to themselves?
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Here's a small thing I've been wondering about for a while: Occasionally, when I import models from other sources (e.g. 3ds Max -> FBX -> Blender), I see in the Node Editor some nodes which are apparently connected to themselves. Like so:
Can somebody explain what's up with that? How is this self-connection useful? How can I do it in Blender?
materials nodes
asked Aug 8 at 8:19
Nam-Quang Tran
685
add a comment |Â
up vote
8
down vote
favorite
Here's a small thing I've been wondering about for a while: Occasionally, when I import models from other sources (e.g. 3ds Max -> FBX -> Blender), I see in the Node Editor some nodes which are apparently connected to themselves. Like so:
Can somebody explain what's up with that? How is this self-connection useful? How can I do it in Blender?
materials nodes
asked Aug 8 at 8:19
Nam-Quang Tran
685
add a comment |Â
up vote
8
down vote
favorite
up vote
8
down vote
favorite
Here's a small thing I've been wondering about for a while: Occasionally, when I import models from other sources (e.g. 3ds Max -> FBX -> Blender), I see in the Node Editor some nodes which are apparently connected to themselves. Like so:
Can somebody explain what's up with that? How is this self-connection useful? How can I do it in Blender?
materials nodes
asked Aug 8 at 8:19
Nam-Quang Tran
685
Here's a small thing I've been wondering about for a while: Occasionally, when I import models from other sources (e.g. 3ds Max -> FBX -> Blender), I see in the Node Editor some nodes which are apparently connected to themselves. Like so:
Can somebody explain what's up with that? How is this self-connection useful? How can I do it in Blender?
materials nodes
asked Aug 8 at 8:19
Nam-Quang Tran
685
asked Aug 8 at 8:19
Nam-Quang Tran
685
asked Aug 8 at 8:19
Nam-Quang Tran
685
asked Aug 8 at 8:19
Nam-Quang Tran
685
685
add a comment |Â
add a comment |Â
1 Answer
1
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oldest
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12
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The node is not connected to itself, it is muted. You do that to a node by pressing M. The red line indicates a "pass-through" - the input goes straight to output and the node is disabled.
I would guess the script that creates the node network always makes the full tree and just mutes the nodes that are not used in the original material, like normal mapping in this case.
answered Aug 8 at 9:25
Jaroslav Jerryno Novotny
36k164147
1
Wow, muting nodes is really useful :-D
– Nam-Quang Tran
Aug 8 at 9:33
Oh, that's right. A node connected to itself would show the connection line a bit differently. That would be wrong. Muted nodes make a lot more sense.
– Martin Z
Aug 8 at 13:12
add a comment |Â
1 Answer
1
active
oldest
votes
1 Answer
1
active
oldest
votes
active
oldest
votes
active
oldest
votes
up vote
12
down vote
accepted
The node is not connected to itself, it is muted. You do that to a node by pressing M. The red line indicates a "pass-through" - the input goes straight to output and the node is disabled.
I would guess the script that creates the node network always makes the full tree and just mutes the nodes that are not used in the original material, like normal mapping in this case.
answered Aug 8 at 9:25
Jaroslav Jerryno Novotny
36k164147
1
Wow, muting nodes is really useful :-D
– Nam-Quang Tran
Aug 8 at 9:33
Oh, that's right. A node connected to itself would show the connection line a bit differently. That would be wrong. Muted nodes make a lot more sense.
– Martin Z
Aug 8 at 13:12
add a comment |Â
up vote
12
down vote
accepted
The node is not connected to itself, it is muted. You do that to a node by pressing M. The red line indicates a "pass-through" - the input goes straight to output and the node is disabled.
I would guess the script that creates the node network always makes the full tree and just mutes the nodes that are not used in the original material, like normal mapping in this case.
answered Aug 8 at 9:25
Jaroslav Jerryno Novotny
36k164147
1
Wow, muting nodes is really useful :-D
– Nam-Quang Tran
Aug 8 at 9:33
Oh, that's right. A node connected to itself would show the connection line a bit differently. That would be wrong. Muted nodes make a lot more sense.
– Martin Z
Aug 8 at 13:12
add a comment |Â
up vote
12
down vote
accepted
up vote
12
down vote
accepted
The node is not connected to itself, it is muted. You do that to a node by pressing M. The red line indicates a "pass-through" - the input goes straight to output and the node is disabled.
I would guess the script that creates the node network always makes the full tree and just mutes the nodes that are not used in the original material, like normal mapping in this case.
answered Aug 8 at 9:25
Jaroslav Jerryno Novotny
36k164147
The node is not connected to itself, it is muted. You do that to a node by pressing M. The red line indicates a "pass-through" - the input goes straight to output and the node is disabled.
I would guess the script that creates the node network always makes the full tree and just mutes the nodes that are not used in the original material, like normal mapping in this case.
answered Aug 8 at 9:25
Jaroslav Jerryno Novotny
36k164147
answered Aug 8 at 9:25
Jaroslav Jerryno Novotny
36k164147
answered Aug 8 at 9:25
Jaroslav Jerryno Novotny
36k164147
answered Aug 8 at 9:25
Jaroslav Jerryno Novotny
36k164147
36k164147
1
Wow, muting nodes is really useful :-D
– Nam-Quang Tran
Aug 8 at 9:33
Oh, that's right. A node connected to itself would show the connection line a bit differently. That would be wrong. Muted nodes make a lot more sense.
– Martin Z
Aug 8 at 13:12
add a comment |Â
1
Wow, muting nodes is really useful :-D
– Nam-Quang Tran
Aug 8 at 9:33
Oh, that's right. A node connected to itself would show the connection line a bit differently. That would be wrong. Muted nodes make a lot more sense.
– Martin Z
Aug 8 at 13:12
1
1
Wow, muting nodes is really useful :-D
– Nam-Quang Tran
Aug 8 at 9:33
Wow, muting nodes is really useful :-D
– Nam-Quang Tran
Aug 8 at 9:33
Oh, that's right. A node connected to itself would show the connection line a bit differently. That would be wrong. Muted nodes make a lot more sense.
– Martin Z
Aug 8 at 13:12
Oh, that's right. A node connected to itself would show the connection line a bit differently. That would be wrong. Muted nodes make a lot more sense.
– Martin Z
Aug 8 at 13:12
add a comment |Â
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