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author: ""
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(schemas:axes)=

# Axes

- [1. Axes > axis](#autogenerated_heading_2)
  - [1.1. Property `Axes > root items > name`](#items_name)
  - [1.2. Property `Axes > root items > longName`](#items_longName)
  - [1.3. Property `Axes > root items > type`](#items_type)
  - [1.4. Property `Axes > root items > discrete`](#items_discrete)
  - [1.5. Property `Axes > root items > unit`](#items_unit)
- [2. At least one of the items must be](#autogenerated_heading_3)
  - [2.1. Property `Axes > contains > name`](#contains_name)
  - [2.2. Property `Axes > contains > type`](#contains_type)
  - [2.3. Property `Axes > contains > unit`](#contains_unit)

**Title:** Axes

|              |         |
| ------------ | ------- |
| **Type**     | `array` |
| **Required** | No      |

**Description:** OME-Zarr Axes.

|                      | Array restrictions |
| -------------------- | ------------------ |
| **Min items**        | 1                  |
| **Max items**        | 5                  |
| **Items unicity**    | True               |
| **Additional items** | False              |
| **Tuple validation** | See below          |

| Each item of this array must be | Description |
| ------------------------------- | ----------- |
| [axis](#items)                  | -           |

## <a name="autogenerated_heading_2"></a>1. Axes > axis

|                           |                                                                           |
| ------------------------- | ------------------------------------------------------------------------- |
| **Type**                  | `object`                                                                  |
| **Required**              | No                                                                        |
| **Additional properties** | [[Any type: allowed]](# "Additional Properties of any type are allowed.") |
| **Defined in**            | #/$defs/axis                                                              |

| Property                       | Pattern | Type    | Deprecated | Definition | Title/Description                                              |
| ------------------------------ | ------- | ------- | ---------- | ---------- | -------------------------------------------------------------- |
| + [name](#items_name )         | No      | string  | No         | -          | Name of the axis. Must be unique within the coordinate system. |
| - [longName](#items_longName ) | No      | string  | No         | -          | Longer name or description of the axis.                        |
| - [type](#items_type )         | No      | string  | No         | -          | Type of the axis. Can be a predefined type or custom type.     |
| - [discrete](#items_discrete ) | No      | boolean | No         | -          | Whether the dimension is discrete                              |
| - [unit](#items_unit )         | No      | string  | No         | -          | Unit for the axis                                              |

### <a name="items_name"></a>1.1. Property `Axes > root items > name`

|              |          |
| ------------ | -------- |
| **Type**     | `string` |
| **Required** | Yes      |

**Description:** Name of the axis. Must be unique within the coordinate system.

| Restrictions   |   |
| -------------- | - |
| **Min length** | 1 |

### <a name="items_longName"></a>1.2. Property `Axes > root items > longName`

|              |          |
| ------------ | -------- |
| **Type**     | `string` |
| **Required** | No       |

**Description:** Longer name or description of the axis.

### <a name="items_type"></a>1.3. Property `Axes > root items > type`

|              |          |
| ------------ | -------- |
| **Type**     | `string` |
| **Required** | No       |

**Description:** Type of the axis. Can be a predefined type or custom type.

### <a name="items_discrete"></a>1.4. Property `Axes > root items > discrete`

|              |           |
| ------------ | --------- |
| **Type**     | `boolean` |
| **Required** | No        |

**Description:** Whether the dimension is discrete

### <a name="items_unit"></a>1.5. Property `Axes > root items > unit`

|              |          |
| ------------ | -------- |
| **Type**     | `string` |
| **Required** | No       |

**Description:** Unit for the axis

## <a name="autogenerated_heading_3"></a>2. At least one of the items must be

|                           |                                                                           |
| ------------------------- | ------------------------------------------------------------------------- |
| **Type**                  | `object`                                                                  |
| **Required**              | No                                                                        |
| **Additional properties** | [[Any type: allowed]](# "Additional Properties of any type are allowed.") |

| Property                  | Pattern | Type             | Deprecated | Definition | Title/Description |
| ------------------------- | ------- | ---------------- | ---------- | ---------- | ----------------- |
| - [name](#contains_name ) | No      | string           | No         | -          | -                 |
| - [type](#contains_type ) | No      | enum (of string) | No         | -          | -                 |
| - [unit](#contains_unit ) | No      | string           | No         | -          | -                 |

### <a name="contains_name"></a>2.1. Property `Axes > contains > name`

|              |          |
| ------------ | -------- |
| **Type**     | `string` |
| **Required** | No       |

### <a name="contains_type"></a>2.2. Property `Axes > contains > type`

|              |                    |
| ------------ | ------------------ |
| **Type**     | `enum (of string)` |
| **Required** | No                 |

Must be one of:
* "space"

### <a name="contains_unit"></a>2.3. Property `Axes > contains > unit`

|              |          |
| ------------ | -------- |
| **Type**     | `string` |
| **Required** | No       |

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Generated using [json-schema-for-humans](https://github.com/coveooss/json-schema-for-humans) on 2026-03-11 at 20:01:44 +0000