Javacpp-presets: Update to OpenCV 3.3

[ppong]

OpenCV release 3.3 recently. (http://opencv.org/opencv-3-3.html). We would love to use some of the new changes in the opencv-contrib ximgproc package. Do you know when a new release might occur?

[saudet]

Sending a patch would certainly help :)

[Daniel-Alievsky]

I'm also interested in new version. No any info and prognoses?

[saudet]

I've upgraded the presets and SNAPSHOT artifacts are available here:
https://oss.sonatype.org/content/repositories/snapshots/org/bytedeco/javacpp-presets/opencv/3.3.0-1.3.4-SNAPSHOT/
Please let me know if there is anything missing!

[Daniel-Alievsky]

Do you know, when can we hope that it will appear as the stable version 3.3.0 on Maven Central?

[saudet]

I'm planning before next month, but 3.3.1 came out, so it won't be 3.3.0.

[Daniel-Alievsky]

Thank you! It will be great if it will be right away 3.3.1

[ben-manes]

@ppong and I tested our use-case and it works great.

Eclipse seems to get very confused by the snapshot version when resolving through Gradle. It will resolve the first time, and then forget it on a refresh. Also the snapshot repository stopped releasing new macosx builds, which we use locally and linux on the server. It would be nice if a formal release was made since the quirk might be due to its dynamic resolution.

"org.bytedeco:javacv:1.3.4-SNAPSHOT",
"org.bytedeco.javacpp-presets:opencv:3.4.0-1.3.4-20180107.061441-21:macosx-x86_64",

[saudet]

Working on it, but in the meantime, if you could let the Gradle team know you need better Maven compatibility, that would be great. They don't seem to care too much at the moment:
https://discuss.gradle.org/t/maven-metadata-with-classifiers-fails-to-resolve-for-snapshots/20071
https://github.com/gradle/gradle/issues/2882

[ben-manes]

I think Gradle does not understand the classifiers in snapshots, so it takes the globally latest which is only relevant to a single classifier.

<versioning>
<snapshot>
<timestamp>20180109.220324</timestamp>
<buildNumber>54</buildNumber>
</snapshot>
<lastUpdated>20180109220324</lastUpdated>
<snapshotVersions>
  ...
  <snapshotVersion>
    <classifier>macosx-x86_64</classifier>
    <extension>jar</extension>
    <value>3.4.0-1.3.4-20180109.132121-44</value>
    <updated>20180109132121</updated>
  </snapshotVersion>
</snapshotVersion>

compile "org.bytedeco.javacpp-presets:opencv:3.3.1-1.3.4-SNAPSHOT:${env.os}-${env.arch}



md5-bdca06d8ace5b2e875faca7680002315



> Could not find opencv-macosx-x86_64.jar (org.bytedeco.javacpp-presets:opencv:3.4.0-1.3.4-SNAPSHOT).
  Searched in the following locations:
      https://oss.sonatype.org/content/repositories/snapshots/org/bytedeco/javacpp-presets/opencv/3.4.0-1.3.4-SNAPSHOT/opencv-3.4.0-1.3.4-20180109.220324-54-macosx-x86_64.jar

[ben-manes]

Can you open a Gradle issue? They moved from the discussion forum to Github issues instead. Its still difficult to get them to respond to such things, but they don't ignore them as flagrantly.

[ben-manes]

This seems to work for now. The javacv snapshot dependency confused Gradle and Eclipse.

opencv: [
  dependencies.create("org.bytedeco:javacv:${versions.javacv}-SNAPSHOT") {
    exclude module: 'opencv'
  },
  "org.bytedeco.javacpp-presets:opencv:${versions.opencv}-${env.os == 'macosx' ? '20180109.132121-44' : '20180109.220324-54'}",
  "org.bytedeco.javacpp-presets:opencv:${versions.opencv}-${env.os == 'macosx' ? '20180109.132121-44' : '20180109.220324-54'}:${env.os}-${env.arch}",
],

But we'll eagerly be waiting for the next release. Thanks!

[saudet]

Version 1.4 has been released with binaries for OpenCV 3.4.0:
http://search.maven.org/#search%7Cga%7C1%7Cbytedeco%20opencv
Enjoy and thank you for your patience!

[ppong]

Thanks @saudet

[carlspring]

Hi,

Thanks for linking to #2882. The more people that complain there, the better! Please, join in, if you're feeling the side-effects of this!

Thanks!

Martin