# SvgInstance

> Descriptor for a single SVG panel managed by WellRenderer.

> **SvgInstance** = `object`

Descriptor for a single SVG panel managed by `WellRenderer`.

## Param

**selector**

CSS selector for the `<svg>` element (e.g. `"#well-panel-1"`).

## Param

**height**

Inner drawing height in pixels (excludes margins).

## Param

**width**

Inner drawing width in pixels (excludes margins).

## Param

**margins**

Space reserved around the drawing area for axes and labels.

## Properties

### depthRange?

> `optional` **depthRange?**: \[`number`, `number`\]

Depth window `[from, to]` (m) drawn in this panel. When every panel has
one, `draw()` uses them instead of splitting the depth in proportion to
the panel heights, so panels may overlap or skip depths.

***

### height

> **height**: `number`

***

### margins

> **margins**: `object`

#### bottom

> **bottom**: `number`

#### left

> **left**: `number`

#### right

> **right**: `number`

#### top

> **top**: `number`

***

### repeatedTo?

> `optional` **repeatedTo?**: `number`

Depth (m) down to which the panel repeats the bottom of the previous
one. The repeated band `[depthRange[0], repeatedTo]` is hatched and
labelled with `RenderConfig.overlap.label`.

***

### selector

> **selector**: `string`

***

### width

> **width**: `number`