Vips.Image.sobel

### Method

# Vips Imagesobel

#### Declaration [src]

    int
    vips_sobel (
      VipsImage* in,
      VipsImage** out,
      ...
    )

#### Description [src]

Sobel edge detector.

uchar images are computed using a fast, low-precision path. Cast to float for a high-precision implementation.

See also

`vips_canny()`, `vips_sobel()`, `vips_prewitt()`, `vips_scharr()`.

This method is not directly available to language bindings.

#### Parameters

`out`

  Type: `VipsImage`

  Output image.

  The argument will be set by the function.
  The caller of the method takes ownership of the returned data, and is responsible for freeing it.

`...`

  Type: ``

  `NULL`-terminated list of optional named arguments.

#### Return value

Type: `int`

0 on success, -1 on error.