2.2.2.2 mCrop

Contents

Brief Information

Crop a matrix to specified region of interest

Additional Information

Minimum Origin Version Required: 8.0 SR5, updated in 8.5.1

Command Line Usage

1. mCrop x:=60 y:=40 w:=200 h:=100;

2. mCrop x:=10 y:=10 w:=50 h:=50 om:=[<input>]<new name:=Cropped>;

X-Function Execution Options

Variables

Display
Name 		Variable
Name 		I/O
and
Type 		Default
Value 		Description
Left x

Input

int

1
 Specify the X coordinate (in pixel) of the top-left corner of the rectangle area to be kept.
Top y

Input

int

1
 Specify the Y coordinate (in pixel) of the top-left corner of the rectangle area to be kept.
Width w

Input

int

<auto>
 Specify the width (in pixel) of the rectangle area to be kept.
Height h

Input

int

<auto>
 Specify the height (in pixel) of the rectangle area to be kept.
Input Matrix im

Input

MatrixObject

<active>
 Specify the matrix to be manipulated. The default input is the active matrix.
Output Matrix om

Output

MatrixObject

<input>
 Specify the output matrix. By default, the output image is the same as the input image.

See the syntax .

Description

This function crops an image.

If your matrix is in Image Mode, you can drag a rectangle by the button in Tools toolbar, and right-click to crop.

You can also bring up the X-Function dialog (For example, mcrop -d;) to crop an image.

Example

  1. Select menu Data: Import from File: Image to Matrix to import the file <Origin Installation Directory>\Samples\Image Processing and Analysis\cell.jpg.
  2. Click the on Tools toolbar, and drag a rectangle area on the image.
  3. Right-click and select Crop to crop the image.



    Alternatively, you can also run the following script to crop the image: 
    mcrop 322 62 224 188;

Keywords:pixels, image, ROI