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File Delete

Action Configuration View » Action Components » File Delete

The File Delete Action Component is to delete a file. Component Properties Name Required Description Filename False Filename All True All. The value of cp.All can be either “true” or “false…

File List

Action Configuration View » Action Components » File List

The File List Action Component is to get a list of files that match the pattern. Component Properties Name Required Description Pattern True Pattern IncFILE False Include Files IncDIR False …

File Read

Action Configuration View » Action Components » File Read

The File Read Action Component is to read a file. Component Properties Name Required Description Filename False Filename of the file to be read. The file has to be inside these folders: On Windows:…

File Write

Action Configuration View » Action Components » File Write

The File Write Action Component is to write data to a file. Component Properties Name Required Description Filename False Filename to be written. Append True Append new data instead of replacing the file.…

CSV File Write

Action Configuration View » Action Components » CSV File Write

CSVFileWrite generates CSV with the input payload as input. The input payload (cv.Payload) accepts input as an array of JSON arrays or an array of JSON Objects. Otherwise, it converts it to a string and outputs it as a one-line, one-column CSV file. Input…

Using the File Viewer

Action Configuration View » Using the File Viewer

Some action components in HubKit are able to read files in the actmgr/data directory and save files in that directory. Files stored in this directory can be retrieved by Gravio Studio, and local files can be uploaded to the directory by Gravio Studio. Use the…

Gravo File Path Handling

Appendix » Gravo File Path Handling

Some component properties like FileWrite or SlackFilesUpload are making references to folders and file paths. On this page, we describe how files can be referenced in Gravio. The Default Folder All paths referenced on Gravio refer to the below paths on the respective…

CSVWrite

Action Configuration View » Action Components » CSVWrite

CSV Write generates a comma-separated string with the input payload as input. It is not meant to create CSV files for further processing as writing the output to a file will not append, but overwrite it. If you want to populate a CSV file appending new lines of data…

Sound Play

Action Configuration View » Action Components » Sound Play

The Sound Play component allows you to play a specified mp3 file.   Output payload Description cv.Payload Outputs the output payload of the previous component as is. (Pass-through) Component Properties Property name…

CSVRead

Action Configuration View » Action Components » CSVRead

The CSV Read component takes CSV data as input, parses it and creates an output payload in the format specified by the Output Format component property (cp.Output). CSVRead has an “Input” property (cp.Input), which allows you to select the data source. If…

LINE Notify

Action Configuration View » Action Components » LINE Notify

The LINE Notify Action Component is to send a notification via the LINENotify service (https://notify-bot.line.me/). It’s useful to notify people of information from sensors. Component Properties Property Name Description Example…

AWS S3 Download

Action Configuration View » Action Components » AWS S3 Download

The AWS S3 Download Action Component is to download content from Amazon AWS S3. Component Properties Name Required Description Output True Specify whether to keep the content in the Payload variable of the Action or as a file.…

Google Cloud MQTT

Appendix » Google Cloud MQTT

Here are some examples of how you can publish messages to the Google Cloud MQTT system Go to the Google Cloud console and create a project: Moving to the IoT core on Google Cloud Platform Enable the Google IoT Core API. Create a device registry Enter…

How to create a machine learning model for computer vision object recognition

Advanced » How to create a machine learning model for computer vision object recognition

This section describes how to create a machine learning model for object recognition (Darknet YOLO v2 format) and convert it to a format for use with TensorFlow. Currently, that’s what the Edge IoT platform requires to function at its best. (Please note,…

Zigbee Driver Installation on Windows

Introduction » What is Gravio? » Hub Configuration View » Device Tab » Adding Physical Sensor Devices » Zigbee Driver Installation on Windows

Once you have installed and started the GravioTools that come with your Gravio HubKit installation, the Windows drivers for your dongle are automatically installed in most cases. But if your drivers are not installed and you see an error in your “Device…

AWS S3 Upload

Action Configuration View » Action Components » AWS S3 Upload

The AWS S3 Upload Action Component is to upload content to amazon aws s3. Component Properties Name Required Description Input True Upload a payload or a file. To set the value of cp.Input, use either “Payload” or…

Slack Files Upload

Action Configuration View » Action Components » Slack Files Upload

The Slack Files Upload action component can use the Slack API to post messages and files to a Slack channel. The authentication happens via the Slack authentication token, which you can retrieve from your Slack Admin console. The Slack Files Upload component can be…

Action Configuration View

Action Configuration View

The Gravio HubKits can trigger Actions. You can think of an Action like a small and simple computer program, that’s made up of Steps. Actions can be created in the Action Editor which can be opened by clicking on the Action Editor icon: You can find these…

How to Side-Load Gravio Studio for Windows

Appendix » How to Side-Load Gravio Studio for Windows

Sideloading procedures for Gravio Studio for Windows Sideloading is the process of installing an application from an installer file rather than from the App Store. In some cases, for example in a corporate environment, the App store may not be available. Or a computer…

Exec

Action Configuration View » Action Components » Exec

The RunScript component allows you to run OS standard scripts. If Gravio Server is running on Windows it can run batch files, Linux, Raspbian and macOS can run shell scripts. If it is not Windows, you need to give execute rights to the uploaded file. The uploaded file…

Restricting access to the Gravio Hub from Gravio Studio

Appendix » Restricting access to the Gravio Hub from Gravio Studio

To restrict Gravio Studio access to the Gravio Hub, install the Gravio Studio client certificate used for the that particular Gravio Hub. Note: This feature is only available for Basic users. Log in to Gravio Cloud with Gravio Studio and select “Client…

WriteToExcel365

Action Configuration View » Action Components » WriteToExcel365

The WriteToExcel365 component can output data to a OneDrive in Excel format. The use of this component requires a contract and pre-configuration of Office365 for Business and OneDrive for Business. How to prepare your Microsoft account Prepare an Office365…

Functions

Action Configuration View » Functions

Functions available on the right-hand side of expressions in Pre Mappings / Post Mappings are described separately in this section. A simple example of using a function is the usage of the Now function to output the current date, like in this example that writes the…

Annotation Data Creation with LabelImg

Advanced » How to create a machine learning model for computer vision object recognition » Annotation Data Creation with LabelImg

In this chapter, we learn how to use LabelImg. At the end of “2. Create the Training Data” of our instructions on how to create Image Inferences, we introduced the annotation data creation tool LabelImg. Learn here how to create annotation data using…

How to install Gravio server Root CA certificates.

Appendix » How to install Gravio server Root CA certificates.

In order to make the secure connection, you will need to install the downloaded certificates to your operating system. HubKit can then verify that you are allowed to access it. Installing the Certificate on Windows 10 Double click on the certificate file from…

GravioMatrix

Action Configuration View » Action Components » GravioMatrix

The Gravio Matrix component allows you to set text or an image to a Gravio Matrix. To use this component, the Gravio Matrix must be paired beforehand. If the Device ID property is empty, the command will be sent to all connected Gravio Matrices.   Output…

MQTT Publish

Action Configuration View » Action Components » MQTT Publish

The MQTT Publish Action Component allows you to publish messages to topics within an MQTT PubSub system. Output Payload Explanation cv.Payload Outputs the output payload of the previous component as is. (Pass through) Component…

Hub Configuration View

Introduction » What is Gravio? » Hub Configuration View

If you double click on the upper half of the Server card, you will get to the Hub Configuration view: At the top you can find a number of buttons such as: A plus sign button to create new physical Areas to group your Layers An edit button to edit an Area or…

Upgrading to HubKit 4.3 on Linux / Raspberry Pi

Introduction » Installation and Setup » Upgrading to HubKit 4.3 on Linux / Raspberry Pi

To upgrade HubKit or Coordinator, please follow the procedure below. In a nutshell, we have migrated from a docker-based installation to a .deb package. This document guides you through the process of upgrading HubKit 4.2 version to 4.3 on Linux / Raspberry…

Maintenance and Software Updates

Gravio Hub » Maintenance and Software Updates

Once logged in, you can open the “Maintenance” tab on the top left to open the maintenance view: Once open, you see the following sections: Check Updates SSL Certificate Settings HubKit and Coordinator Data Backup Gravio Hub Power Management …

Encode Functions

Action Configuration View » Functions » Encode Functions

The following functions are available. Function Name Arguments Description Example URLPathEscape URLPathEscape(s) Escaping s to a string that can be safely placed in a URL path segment URLPathEscape(“test1?test2…

General Gravio Troubleshooting

Troubleshooting » General Gravio Troubleshooting

Symptom Explanation Remedy Comments Gravio Studio is not behaving as expected Gravio Server connection is unstable or Gravio Server is not running Ensure that there is a stable connection between Gravio Studio and the Server is…

Inference Models

Introduction » What is Gravio? » Hub Configuration View » Device Tab » Software Sensors » Inference Models

Gravio can infer camera images using TensorFlow , a Google system used for Artificial Intelligence and Machine Learning. Two types of TensorFlow files are available: TensorFlow and TensorFlowLite. There is a difference in the number of deep learning layers in…

Performance Tuning

Gravio Hub » Performance Tuning

When using the Gravio Hub for inference computer vision detection, please consider the following: Processing Performance When an inference is selected as a “layer as a soft sensor” on a Gravio Hub, only one model should be used per Gravio…

Date Functions

Action Configuration View » Functions » Date Functions

The following functions are available. Function Name Arguments Description Example Now Now([timezone]) Returns the date and time type for the current date and time. Year Year(t[, timezone]) Returns the…

Settings Tab

Introduction » What is Gravio? » Hub Configuration View » Settings Tab

In the Settings tab you can manage various settings aspects such as view the hubkit’s versions, backup or restore, set the base property profiles, deploy image inference models or view the disk usage space. If you have the enterprise version, you can also connect…

How to write expressions in Pre Mappings / Post Mappings

Action Configuration View » How to write expressions in Pre Mappings / Post Mappings

Each action component in the Action Editor has a pre Pre Mappings / Post Mappings area on the right side of the screen: Press the “+” button to add a new line to either the Pre-Mappings or the Post-Mappings. Pre Mappings are executed before the main…

Software Sensors

Introduction » What is Gravio? » Hub Configuration View » Device Tab » Software Sensors

Gravio also supports software sensors. An example for a software sensor could be a camera that detects how many people are in a room and triggers certain Actions if certain thresholds are reached. These sensors are created using software and artificial intelligence…