[x3d-public] Turning on and off simultaneous animations individually

Wed Feb 5 10:41:02 PST 2025

Here's a small example, Tongue.x3d.

Your efforts are appreciated!

John

On Wed, Feb 5, 2025 at 12:01 PM Andreas Plesch <andreasplesch at gmail.com>
wrote:

> Hi John,
>
> The reason is that Displacers are currently implemented in x3dom only for
> Joints, but not for Segments, unfortunately. Do you know of a simple but
> instructive test case of Segments with Displacers ?
>
> Andreas
>
>
> On Tue, Feb 4, 2025, 2:33 PM John Carlson <yottzumm at gmail.com> wrote:
>
>> I will try to test this in castle model converter.
>>
>> I did try setting a value for the outputOnly fields, but the converter
>> wouldn’t shut up.
>>
>> The model below doesn’t seem to animate when one presses the menu items.
>> Did you get it to animate?
>>
>> On Tue, Feb 4, 2025 at 12:27 PM Andreas Plesch <andreasplesch at gmail.com>
>> wrote:
>>
>>> Hi John, all,
>>>
>>> It turns out that x3dom currently expects a default value for Proto
>>> fields even for outputOnly fields. This is due to how Proto fields are
>>> initialized. They always need to have a value. While the spec. does not
>>> require this, it seems still good practice to always define a default value
>>> in the ProtoInterface. There may be a case where an outputOnly field is
>>> used in ISing where a valid value would be expected. There may be other
>>> corner cases.
>>>
>>> Here is your example with added default values for outputOnly fields:
>>>
>>>
>>> https://andreasplesch.github.io/Library/Viewer/index.html?url=https://gist.githubusercontent.com/andreasplesch/af5ff3148c1159f71d34fb78c1f63024/raw/b3d4470107ab74e301ed48448ab2a4f4154672e0/ManyClocks_John.x3d
>>>
>>> This could be fixed in x3dom, by always setting some default value. Is
>>> there a list of recommended defaults for each data type if no other source
>>> of defaults is available? For SFTime it seems to be -1.
>>>
>>>
>>> -Andreas
>>>
>>>
>>> On Mon, Feb 3, 2025 at 7:39 AM Andreas Plesch <andreasplesch at gmail.com>
>>> wrote:
>>>
>>>> Hi John,
>>>>
>>>> On Mon, Feb 3, 2025 at 12:48 AM John Carlson <yottzumm at gmail.com>
>>>> wrote:
>>>>
>>>>> Andreas, "startTime" is an accessType outputOnly field, so why do I
>>>>> need to provide a value attribute in fieldValue?  I'm kind of confused.
>>>>> I'm probably missing something in the spec.
>>>>>
>>>>
>>>> You are right, I only outlined scenarios where the accessType allows
>>>> input or initialization..
>>>> In the outputOnly case it is not necessary to provide a fieldValue node
>>>> at all since there is no value which can be provided. Providing the node
>>>> would indeed be confusing, to both the user code reader and any X3D browser.
>>>> I believe the spec. is silent on this case in any encoding.
>>>>
>>>> Best, Andreas
>>>>
>>>> Thanks for any clarification.
>>>>>
>>>>> I have finally enabled schematron on the project, but I'm finding it
>>>>> hard to understand the messages, and modifications that I make, while
>>>>> removing the immediate problems, seem to move the problems elsewhere.
>>>>>
>>>>> Explaining why I need a "startTime" fieldValue value is my main lack
>>>>> of understanding, but perhaps I need a whole review of accessType.
>>>>>
>>>>> Castle Model Converter reports:
>>>>>
>>>>> castle-model-converter: Warning: X3D: X3D XML: <fieldValue> element
>>>>> references unknown field name "enabled"
>>>>> castle-model-converter: Warning: X3D: X3D XML: <fieldValue> element
>>>>> references unknown field name "startTime"
>>>>> castle-model-converter: Warning: X3D: X3D XML: <fieldValue> element
>>>>> references unknown field name "stopTime"
>>>>>
>>>>> I will try providing a field value in the ProtoInterface
>>>>>
>>>>> If I "cleanup" enabled, startTime and stopTime, I get:
>>>>>
>>>>> castle-model-converter: Warning: VRML/X3D: Within prototype
>>>>> "MenuItem", event "inputTrue" references (by "IS" clause) non-existing
>>>>> event "enabled"
>>>>> castle-model-converter: Warning: VRML/X3D: Within prototype
>>>>> "MenuItem", event "triggerTime" references (by "IS" clause) non-existing
>>>>> event "startTime"
>>>>> castle-model-converter: Warning: VRML/X3D: Within prototype
>>>>> "MenuItem", event "triggerTime" references (by "IS" clause) non-existing
>>>>> event "stopTime"
>>>>>
>>>>> I guess what I conclude at this point is, startTime and stopTime are
>>>>> bad DEF names, but what about enabled as a field?  The dominoes are falling.
>>>>>
>>>>> About your two scenarios in the other message, perhaps this is
>>>>> revealing.
>>>>>
>>>>> See attached attempt to fix original issue, which resulted in the
>>>>> above.
>>>>>
>>>>> John
>>>>>
>>>>> On Sun, Feb 2, 2025 at 3:59 PM Andreas Plesch <andreasplesch at gmail.com>
>>>>> wrote:
>>>>>
>>>>>> I think x3dom, reasonably, expects a value for the fieldValue nodes:
>>>>>>
>>>>>> For example:
>>>>>>
>>>>>> <fieldValue name="startTime" />
>>>>>>
>>>>>> and others.
>>>>>>
>>>>>> On Sun, Feb 2, 2025 at 5:42 AM John Carlson <yottzumm at gmail.com>
>>>>>> wrote:
>>>>>>
>>>>>>> Andreas, Joe,
>>>>>>>
>>>>>>> Reset Button, Reset_Clock added.
>>>>>>>
>>>>>>> See attached zip for details, or visit link;
>>>>>>>
>>>>>>>
>>>>>>> https://create3000.github.io/x_ite/playground/?url=https://raw.githubusercontent.com/coderextreme/ci2had/refs/heads/main/resources/CleanedYouClocks.x3d
>>>>>>>
>>>>>>> For some reason, this link doesn't show the live scene?
>>>>>>>
>>>>>>>
>>>>>>> https://andreasplesch.github.io/Library/Viewer/index.html?url=https://raw.githubusercontent.com/coderextreme/ci2had/refs/heads/main/resources/CleanedYouClocks.x3d
>>>>>>>
>>>>>>> Puzzled, haven't researched it yet.  Looks good in Sunrize and
>>>>>>> X_ITE, will try FreeWRL next.
>>>>>>>
>>>>>>> John
>>>>>>>
>>>>>>>>
>>>>>>
>>>>>> --
>>>>>> Andreas Plesch
>>>>>> Waltham, MA 02453
>>>>>>
>>>>>
>>>>
>>>> --
>>>> Andreas Plesch
>>>> Waltham, MA 02453
>>>>
>>>
>>>
>>> --
>>> Andreas Plesch
>>> Waltham, MA 02453
>>>
>>
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