07-15-2017, 07:24 AM
(This post was last modified: 07-15-2017, 07:51 PM by rich2005.
Edit Reason: additions
)
First be aware that is copyright, usually for something of that date, if the author is alive, copyright lasts 70 years.
However, You might be better cutting each chart out individually.
Make a selection, screenshot http://i.imgur.com/HPetQa6.jpg
Then Edit menu -> copy, then Edit menu -> paste as new image
edit: To make the black lines heavier, use Filters -> Generic -> Erode before Color to Alpha
On the new image use Colors -> Color To Alpha http://i.imgur.com/s0Jw4oa.jpg
edit: To change the color, put a colour layer on top, set the layer mode to screen example http://i.imgur.com/A8WLUas.jpg
an alternative is enable the alpha lock - little icon top right of layers dialogue - then bucket fill.
However, You might be better cutting each chart out individually.
Make a selection, screenshot http://i.imgur.com/HPetQa6.jpg
Then Edit menu -> copy, then Edit menu -> paste as new image
edit: To make the black lines heavier, use Filters -> Generic -> Erode before Color to Alpha
On the new image use Colors -> Color To Alpha http://i.imgur.com/s0Jw4oa.jpg
edit: To change the color, put a colour layer on top, set the layer mode to screen example http://i.imgur.com/A8WLUas.jpg
an alternative is enable the alpha lock - little icon top right of layers dialogue - then bucket fill.