[x3d-public] Proposed Standard additions. MFStringSequencer and MFNodeSequncer

[John Carlson]

With addroute and removeroute:  Do we have examples of these in action
without scripting?

How about replaceroute (putroute) and queryroute (getroute)?

Sounds very imperative, but SQL is declarative last i heard.

Oh, we’re getting CRUDy now…

On Mon, Sep 11, 2023 at 10:15 AM Joe D Williams <joedwil at earthlink.net>
wrote:

> Great, another way to be able to do without scripting. AddChild, remove
> child, addroute removeroute.
>
> Joe
>
>
>
> -----Original Message-----
> From: GPU Group <gpugroup at gmail.com>
> Sent: Sep 11, 2023 7:01 AM
> To: X3D Graphics public mailing list <x3d-public at web3d.org>
> Subject: Re: [x3d-public] Proposed Standard additions. MFStringSequencer
> and MFNodeSequncer
>
>
>
> Or rely on integerSequencer to generate integer index, and have a
> packed/contiguous list:
>
>
>
> StringSwitch - inputOnly SFInt32 set_index, outputOnly SFString
> value_changed, field MFString values
>
> NodeSwitch - inputOnly SFInt32 set_index, outputOnly SFNode value_changed,
> field MFNode values?
>
> Benefit, can generate more node types as needed with fewer lines of code.
>
> Or could combine into one giant FieldChoice node with fields MFNode
> node_values, MFString string_values, MFDouble, MFFloat, MFTime, MFImage,
> MFMatrix3f ...
>
> and outputOnly node_changed, string_changed, double_changed,
> float_changed, time_changed, image_changed, matrix3f_changed output fields,
>
> and when set_index, it outputs any SF that are within the corresponding MF
> range?
>
> Benefit: only one new node needed.
>
> -Doug
>
> On Sun, Sep 10, 2023 at 11:36 PM John Carlson <yottzumm at gmail.com> wrote:
>
>> We can do this with SAI by adding and removing routes.  But the question
>> is, can we do it declaratively, without script?
>>
>> John
>>
>> On Mon, Sep 11, 2023 at 12:23 AM John Carlson <yottzumm at gmail.com> wrote:
>>
>>> Say I want to take a [0,1] fraction key and map it to an MFString
>>> keyValue.  How do I do that in X3D?
>>>
>>> This might be used for alternating Text nodes, or ROUTEs (as nodes), see
>>> below.
>>>
>>> Also, can I take a similar key fraction and map to keyValue MFNodes?
>>>
>>> I realize that Switch plus and ScalarInterpolator would satisfy the
>>> latter.
>>>
>>> I’m not clear on how to do the former. This would be key to sending
>>> events to ROUTEs, changing the from/to node names and fields.
>>>
>>> This seems like a very powerful feature!  I just don’t know how to route
>>> SFString events to route statements.  Is there an alternative?
>>>
>>> Maybe I should create an Uber X3D?  Can we add DEF and name to ROUTEs,
>>> and make them first class nodes?
>>>
>>> I’m not sure how performant this would be, or even how implementable.
>>>
>>> It’s probably an idea to throw in the trash!  It’s derived from trying
>>> to reduce source code size.
>>>
>>> Thanks!
>>>
>>> John
>>>
>>>
>>>
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