Id: (selectable region id)
Shape: (see Regions menu)
Image Region: (image region string)
Image Center: (image pixels)
Radii: (image pixels)
Width, Height: (image pixels)
Radius: (image pixels)
Radii: (image pixels)
Points: (image pixels)
Points: (image pixels)
Angle: (degrees)
WCS Region: (wcs region string)
WCS Center: (using this wcs system)
WCS Size: (wcs size)
WCS Size: (wcs size)
WCS Radius: (wcs size)
WCS Radii: (wcs size)
Text: (text for this region)
Text:
Font Family: (font name, serif, etc.)
Font Size: (size in pixels)
Font Style: (normal, italic, oblique)
Font Weight: (normal, bold, 100, 200, ...)
Color: (name or #RRGGBB)
Stroke Width: (width in pixels)
Stroke Dashes: (dash/space list, e.g. 3 1)
Tags: (comma-separated list)
Misc Properties: (in JSON format)
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