opencv2 include files location

asked 2018-09-11 11:13:57 -0600

Simonc
6 ●1 ●4

Hello,

I have downloaded and unzipped Opencv 3.4.3, created a build folder and ran make followed by make install. My opencv2 folder only contains 2 files. Where are the rest of the libraries?

I am attempting this tutorial http://www.daslhub.org/unlv/wiki/doku... it requires the #include opencv2/core/core.hpp among others.

I am using Code blocks and have the other opencv (no 2) includes working.

Thanks

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which os ?

berak ( 2018-09-11 11:17:17 -0600 )edit

Ubuntu 18.04

Simonc ( 2018-09-11 11:23:52 -0600 )edit

I used this https://docs.opencv.org/master/d7/d9f... tutorial. It says its for a old ubuntu and old Opencv but it's the only one on the opencv docs.

Simonc ( 2018-09-11 11:26:13 -0600 )edit

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answered 2018-09-11 11:28:57 -0600

berak
32993 ●7 ●81 ●312

on linux: the default CMAKE_INSTALL_PREFIX is /usr/local so headers are in /usr/local/include

(which should already be on your gcc's include path)
on win
- for the prebuild libs: add opencv/build/include to the "additional include dirs"
- if you built your own: add opencv/build/install/include to the "additional include dirs"

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My OpenCV-3.4.3/opencv-3.4.3/build/include only contains cmake files. Is there a way to manually get the opencv2 libs?

Simonc ( 2018-09-11 11:36:21 -0600 )edit

please read the answer again, opencv-3.4.3/build/include is for win NOT linux

berak ( 2018-09-11 11:37:29 -0600 )edit

Like this one opencv2/core/core.hpp

Simonc ( 2018-09-11 11:37:40 -0600 )edit

after make install, there should be a opencv2 folder in /usr/local/include

and please use the opencv2 headers like:

#include "opencv2/core.hpp"

(opencv2/core/core.hpp is from outdated 2.4)

berak ( 2018-09-11 11:39:45 -0600 )edit

Ah thanks a lot. I was unaware of the existence of usr/local/include. Its all there.

Simonc ( 2018-09-11 11:40:48 -0600 )edit

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opencv2 include files location

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