> For the complete documentation index, see [llms.txt](https://interopxyz.gitbook.io/bitmap-plus/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://interopxyz.gitbook.io/bitmap-plus/components/filter/difference-filter.md).

# Difference Filter

## Description

Apply a Difference filter to an Image

{% tabs %}
{% tab title="Preview" %}
![](/files/8q0Bs5R7JFGVMfN4ZSSl)
{% endtab %}

{% tab title="Location" %}
**Name** | Difference Filter

**Nickname** | Difference

**Tab** | Bitmap

**Panel** | Filter

**Division** | 2
{% endtab %}

{% tab title="Inputs" %}
**I** | **Image** (*B+ Image, Bitmap*) | A Bitmap Plus Image or Bitmap

<mark style="color:blue;">**M**</mark> <mark style="color:blue;"></mark><mark style="color:blue;">|</mark> <mark style="color:blue;"></mark><mark style="color:blue;">**Mode**</mark> <mark style="color:blue;"></mark><mark style="color:blue;">(</mark>*<mark style="color:blue;">Integer</mark>*<mark style="color:blue;">) | Select filter mode</mark>

<mark style="color:orange;">**V**</mark> <mark style="color:orange;"></mark><mark style="color:orange;">|</mark> <mark style="color:orange;"></mark><mark style="color:orange;">**Parameter**</mark> <mark style="color:orange;"></mark><mark style="color:orange;">(</mark>*<mark style="color:orange;">Interval</mark>*<mark style="color:orange;">) |</mark> <mark style="color:orange;"></mark>*<mark style="color:orange;">This variable's use changes depending on the mode</mark>*

**B** | **Image** (*B+ Image, Bitmap*) | A Bitmap Plus Image or Bitmap
{% endtab %}

{% tab title="Ouputs" %}
**I** | **Image** (*B+ Image*) | A Bitmap Plus Image
{% endtab %}

{% tab title="Mode" %}
![](/files/S9AJm2ah8I4pcmsLkijU)

**Save Image** | Opens a file save dialog to save a raster file of the current image.

**Copy Image to Clipboard** | Copies the image to the clipboard (no alpha)
{% endtab %}
{% endtabs %}

### **Filter** Mode

<details>

<summary><strong>Filter</strong> Mode Enumerable</summary>

* Add = 0
* Subtract = 1
* Multiply = 2
* Divide = 3
* Merge = 4
* Flat Field = 5
* Intersect = 6
* Euclidean = 7
  * **V** | **Threshold** | Threshold Value Unitized adjustment value (0-1)
* Morph = 8
  * **V** | **Percent** | Percent Value Unitized adjustment value (0-1)
* Move Towards = 9
  * **V** | **Size** | Size Value Unitized adjustment value (0-1)
* Simple = 10
  * **V** | **Threshold** | Threshold Value Unitized adjustment value (0-1)

</details>

## Usage

### Difference Mode Samples

![Add](/files/nnYyZGFYZ1CQOZfqR7DK) ![Divide](/files/ETB9JA5kAEtCiLbWbBzP) ![Subtract](/files/0iGA2ilNrGLHpdWqiFyr)

![Flat Field](/files/gTu8cYYtR4aIDUvB7jDw) ![Intersect](/files/CDMzbB79kgqGNnTgx5NK) ![Merge](/files/hIVu0h8xfLXhYmeU1nBz)

![Morph](/files/jIEHWQMAbEHOhAhGF5CM) ![Move Towards](/files/X3lVQ5p0aRNO3amtjhuS) ![Multiply](/files/3vWrMs9aDy30QXWxOhf7)

![Simple](/files/n4xbfxPzSlDGAuhViQER) ![Euclidean](/files/9nzGCs0feIFFtBz63wxp)