Question

每当我们使用imagemagick convert命令应用某些变换时，它会尝试确保生成的图像与原始图像的大小相同。有没有办法让我们得到整个渲染图像的透明/白色背景。

convert -verbose maanavulu_GIST-TLOTKrishna.tif \
        -alpha set -matte -virtual-pixel transparent \
        -distort perspective-projection '1.06,0,0.0,0,2.066,0.0,0.0,0.0' \
        1.jpg

Answer 1

fx＆amp; repage文档暗示option:distort:viewport。我发现最简单的方法是将Distorting Usage convert -verbose maanavulu_GIST-TLOTKrishna.tif \ -alpha set -matte -virtual-pixel transparent \ -set option:distort:viewport 1000x1000 \ -distort perspective-projection '1.06,0,0.0,0,2.066,0.0,0.0,0.0' \ -trim 1.jpg选项设置为足以捕获整个失真的内容，然后set将其设置为最终尺寸。

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透视失真渲染 - ImageMagick

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