Legacy ImageMagick Discussions Archive

With the code below I am expecting to get the coloured rose image resized with a monochrome version over it. I am more interested in getting the clone to work. My final image will have three different images with different effects layerd on each other. So I want to use the -resize 500x500 +repage image modified two more times.

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convert rose: ( -resize 500x500 +repage ) ( -clone 1 -resize 300x300 +repage  -monochrome ) -layers merge test.jpg

Error "No such image -clone" I would have thought the original image is -clone 0 and the resized version is -clone 1

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convert rose: ( -resize 500x500 +repage ) ( -clone 0 -resize 300x300 +repage  -monochrome ) -layers merge test.jpg

Just get the final 300px wide monochrome image

This is the result I am looking for using mpr although last night I could not get that to work either!

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convert rose: -write mpr:image +delete ( mpr:image  -resize 500x500 +repage ) ( mpr:image -resize 300x300 +repage  -monochrome ) -layers merge test.jpg

Open parenthesis "(" starts a new empty image list. "-resize" will resize all the images in the current list, but at that point you have no images. IM v7 will reject that command. V6 will take a guess at what you really want. Perhaps you intended to "-clone 0" after the open parenthesis.

Then you "-clone 1", which only works if you have at least two images, because the first in numbered zero.

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convert rose: ( -clone 0 -resize 500x500 +repage ) ( -clone 1 -resize 300x300 +repage  -monochrome ) -layers merge test.jpg

This gives three images layered ogether: the original rose, hidden behind a larger version, with a monochrome version on top.

Thank you for the explanation snibgo; I was going around in circles last night trying to get it to work!

In actual use the original image will be larger and I only need the two modified images so I have added a -delete 0 before the -layers merge.

A simple alternative is to remove the first parenthesis pair:

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convert rose: -resize 500x500 +repage ( -clone 0 -resize 300x300 +repage  -monochrome ) -layers merge test.jpg

We read the rose and resize it. Then we clone it, resize and make it monochrome. So we have two images, which we merge.

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