online service to create cloud enabled storage and analytic apps for IoT data
Provide extensible "object models" and after you have fit to it analytical dashboard.
Questions tagged [azure-digital-twins]
105 questions
0
votes
2 answers
Query Azure Digital Twins for specific parameters
I am using using Azure Digital Twins, I would like to query the twin to only return properties that is currently relevant for me.
I can get all data for a specific twin using the API GetByID or query usign the string SELECT * FROM DIGITALTWINS…
Samuel Engström
- 3
- 1
0
votes
1 answer
Do Azure digital twins support date time query?
I am working with Azure digital twins where we ahve a property called 'TimeOfEvent', the property is being updated together with other properties. Now I would like to query the Digital Twin to find all twins that have been updated after a serten…
Samuel Engström
- 3
- 1
0
votes
1 answer
How to programmatically add a new element in Azure Digital Twin
Hi I'd like to link a 3d Object to a Twin programmatically, either via the SDK or REST API. Currently in Azure Digital Twins you're able to manually link the 3d Object to a Twin via the Scene Studio, as shown here…
user3836998
- 65
- 1
- 8
0
votes
1 answer
How to render rail or train tracks in Azure Maps at all zoom levels?
I am trying to render train locations in Azure Maps. To give more context to the train locations I would like to show the train tracks. However, by default, train tracks only appear when very zoomed in. How can I control the zoom levels that rail or…
andrej351
- 904
- 3
- 18
- 38
0
votes
1 answer
How to add Azure Digital Twins Data Owner Role via Azure Python SDK
Using the Azure Python SDK, I have been able to instantiate a resource group and a digital twin within using the following code:
from azure.identity import AzureCliCredential, DefaultAzureCredential
from azure.mgmt.resource import…
cozek
- 755
- 6
- 9
0
votes
1 answer
Azure IoT Hub and its SDK message overhead
I'm trying to use the Azure IoT Hub to store data sent over MQTT from a sensor, the problem I'm running into is that it is quite a bit slower then I would have expected.
From what I understand I should be able to send 4kb 100 times a second, if I…
Parko
- 23
- 6
0
votes
1 answer
Ingesting Azure IoT Hub events to multiple Azure Digital Twins models
I am having an issue with my Iot Hub to Digital Twins ingest function app. I am trying to update properties across multiple unique models with either a single or multiple ingestion functions but I can't figure out how to filter out the unnecessary…
0
votes
0 answers
DocumentParseError Uploading Models to Azure Digital Twins
I am trying to upload model JSON files to my Azure Digital Twins instance but I get:
DocumentParseError: Failed to parse input. Error: jsonld.InvalidUrl: Dereferencing a URL did not result in a valid JSON-LD object. Possible causes are an…
0
votes
0 answers
Is it possible to generate an Azure Digital Twin from a model
We have a case where we'd like to provide the user with a UI where they can create an Azure Digital Twin from a list of acceptable Models. The user should get presented a UI similar to the Twin Properties presented in the Azure Digital Twin…
wmmhihaa
- 744
- 8
- 21
0
votes
1 answer
What is the difference between Microsoft Azure Digital Twins and Microsoft Azure IoT Central? When to use what?
I am trying to understand and try out the IoT Service Stack on Microsoft Azure. When reading through documentations and blogs i came across the Microsoft Azure Digital Twins and Microsoft Azure IoT Central service.
But what i didnt understand…
STORM
- 4,005
- 11
- 49
- 98
0
votes
1 answer
Sending payload to IoT Hub for using in Azure Digital Twin using an Azure Function
Apologies for any incorrect formatting, long time since I posted anything on stack overflow.
I'm looking to send a json payload of data to Azure IoT Hub which I am then going to process using an Azure Function App to display real-time telemetry data…
Eamz
- 13
- 2
0
votes
1 answer
Connect Device from Azure IoT Central to Azure Digital Twin
I have a device in Azure IoT central that has been receiving data. How can I send its telemetry data to its Azure Digital Twin so that they are connected?
Ziggy
- 491
- 1
- 6
- 17
0
votes
1 answer
How set desired and reported properties for device twin in IoT Plug and Play DTDL model
I have this dtdl model I upload to local folder in IoT Plug and Play v0.15.4.0 (prior version behaviour is the same):
{
"@id": "dtmi:com:sergio:devkit;1",
"@type": "Interface",
"@context": [
"dtmi:dtdl:context;2"
],
"displayName": "Machine Part…
Sergio Solorzano
- 476
- 9
- 29
0
votes
1 answer
Azure Digital Twin Explorer. How do you query for total number of e.g. nodes (something like COUNT())
In ADT Explorer, it seems you should simply be able to do: SELECT COUNT() FROM DIGITALTWINS... to get the number of hits for a given query. However, I keep getting 'The query returned results that could not be displayed or overlayed', presumably…
Tim Holland
- 21
- 2
0
votes
1 answer
Simulating C++ code with Azure Digital Twins
I am trying to do a project that takes values from a physical device and compares it to the values of from a Digital Twin, for this I have a physical device and a C++ representation of the model that I want to compare.
I already set up a connection…
Parko
- 23
- 6