Reference

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display_quiver

Arguments:

Description:

Render selected images of 2D vectors as a field of 2D arrows.

(equivalent to shortcut command dq).

Default values:

size_factor=16, arrow_size=1.5 and color_mode=1.

Example of use:

$ gmic image.jpg +luminance gradient[-1] xy rv[-2,-1] *[-2] -1 a[-2,-1] c crop 60,10,90,30 +display_quiver[1] ,
Command: image.jpg +luminance gradient[-1] xy rv[-2,-1] *[-2] -1 a[-2,-1] c crop 60,10,90,30 +display_quiver[1] ,
Command: image.jpg +luminance gradient[-1] xy rv[-2,-1] *[-2] -1 a[-2,-1] c crop 60,10,90,30 +display_quiver[1] ,
Command: image.jpg +luminance gradient[-1] xy rv[-2,-1] *[-2] -1 a[-2,-1] c crop 60,10,90,30 +display_quiver[1] ,