I was looking in MagickCore::CompositeOperator but i didn’t find flatten operator. Something like backgorund i found, but how to do gray50?. That’s what “-flatten” does. It takes a sequence of images, composes them one at a time against the previous image(s), taking transparency into account. As nick said, the function Imagick::flattenImages() is deprecated. Replacing it by Imagick::mergeImageLayers(Imagick::LAYERMETHOD_FLATTEN) partially.

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This is assigned to the image window and is typically displayed in the window title bar. It takes a sequence of images, composes them one at a time against the previous image staking transparency into account, resulting in a single opaque composite image.

-flatten option use in ImageMagick – Stack Overflow

Only mid-range colors such as the various shades of grey. This was one of the simplest solutions, with the amount of overlap given in a single location.

The ordering of an existing color palette may be altered. When converting to PostScriptuse this option to specify a header string to print above the image.

By imagemagicj the limits are files, MB memory, MB map, and unlimited disk, but these are adjusted at startup time on platforms that can provide information about available resources. Imaegmagick comment is not drawn on the image, but is embedded in the image datastream via a “Comment” tag or similar mechanism.

If the image matte channel is disabled, then all pixels in the image are treated as opaque. Paths See Paths represent an outline of an object which is defined in terms flayten moveto set a new current pointlineto draw a straight linecurveto draw a curve using a cubic Bezierarc elliptical or circular arc and closepath close the current shape by drawing a line to the last moveto elements.

Blur with the given radius, standard deviation sigmaand angle. Note, options —dither imagemagcik, —colorspaceand —treedepth affect the color reduction algorithm.

Glad it solved your Q. If all three color values are the same, the result is a bi-level image. To specify the amount to be removed, use —shave instead. By default, the window size is imagdmagick image size and the location is chosen by you when it is mapped.



Increase imagmagick contrast of the image using a sigmoidal transfer function without saturating highlights or shadows. However, other clients may go technicolor when the image colormap is installed.

For reasonable results, radius flstten be larger than sigma. If the —append option appears after all of the input images, all images are appended.

This is what I use to bulk flatten a directory. This option compares each image with the next in a sequence and returns the maximum bounding region of any pixel differences it discovers. Also, I’m new to this forum.


The default filter is automatically selected to provide the best quality while consuming a reasonable amount of time. However, if you specify maskcomposite image is the horizontal X displacement and mask the vertical Y displacement.

The color vlatten use for image transparency in colormap image formats, such as GIF. By default, all images of an image sequence are stored iimagemagick the same file.

Floodfill changes the matte value of any pixel that matches the color of the target pixel and is a neighbor, whereas filltoborder changes the matte value of any neighbor pixel that is not the border color —bordercolor. This is a convenience option for imagemgaick your image with text.

Post as a guest Name. The replace method recolors any pixel that matches the color of the target pixel. Without an index u or v represent the first and second image of the sequence. If the mask image contains an alpha channel, the opacity of each pixel is used to define the mask. Normally, when a format supports different subformats such as grayscale and truecolor, the encoder will try to choose an imagemgaick subformat. If you want a description of a particular option, click on the option name in the navigation bar above and you will go right to it.

By default, a shared colormap is allocated. The red, green, and blue intensities of an image are negated. Fflatten —resize for details about the geometry specification. As of IM v6.


The description of composition uses abstract terminology in order to allow the the description to be more clear, while avoiding constant values which are specific to a particular build configuration. Imgaemagick is equivalent to using the —gravity commandline option, except that it is limited in scope to the —draw option in which it appears.

There was a post here some time ago, that the first layer in the psd is the final composited image. This is the number of bits in a color sample within a pixel.

In theese case the conversion process only generates blank output But when I optimize the pdf files in imagemafick professional the problem is solved To skip this step in acrobat professional I was wondering if foatten was a way to use imagemagick to flatten transparency?

The —colors or —monochrome option, or writing to an image format which requires color reduction, is required for this option to take effect.

If filter-type is 5, adaptive filtering is used when quality is greater than 50 and the image does not have a color map, otherwise no filtering is used. Coordinates are integers separated by an optional comma. The source is added to the destination and replaces the destination. The rightmost tiles and the bottom tiles are smaller if the specified geometry extends beyond the dimensions of the input image.

The description of the composition operators use this concept of image “shape” in order to make the description of the operators easier to understand. This will create a 3-D effect. A number of algorithms search for a target color.