Legacy ImageMagick Discussions Archive

I've downloaded source for IM v 7.0.8-63 to my machine running Ubuntu 18.04.2. Per instructions at https://imagemagick.org/script/install-source.php I run ./configure then make, but make generates multiple errors like these: /usr/bin/ld: /usr/local/lib/libfftw3.a(apiplan.o): relocation R_X86_64_32S ...

Hm, exifTool shows that the tif pixels are stored as 32-bit floating point - perhaps this is causing the conversion problem? If so how can I convert the 32-bit float values to Int16 or Int32? Bits Per Sample : 32 Compression : Uncompressed Photometric Interpretation : BlackIsZero Strip Offsets ...

I want to convert a tif grayscale image to png grayscale image with ImageMagick 'convert' utility (ImageMagick 6.9.7-4). The input file Extravert.tif has the following characteristics: identify Extravert.tif Extravert.tif TIFF 1113x1450 1113x1450+0+0 32-bit Grayscale Gray 6.468MB 0.010u 0:00.009 I ...