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This tutorial explains how to build the Point Cloud Libraryfrom MacPorts and source on Mac OS X platforms, and tries to guide youthrough the download and building of all the required dependencies.
Before getting started download and install the following prerequisites forMac OS X:
- XCode (https://developer.apple.com/xcode/)
- Apple’s powerful integrated development environment
- MacPorts (http://www.macports.org)
- An open-source community initiative to design an easy-to-usesystem for compiling, installing, and upgrading either command-line, X11 orAqua based open-source software on the Mac OS X operating system.
In order to compile every component of the PCL library we need to download andcompile a series of 3rd party library dependencies. We’ll cover the building,compiling and installing of everything in the following sections:
Required
The following libraries are Required to build PCL.
- CMake version >= 3.5.0 (http://www.cmake.org)
Cross-platform, open-source build system.
Note
Though not a dependency per se, the PCL community relies heavily on CMakefor the libraries build process.
- Boost version >= 1.46.1 (http://www.boost.org/)
Provides free peer-reviewed portable C++ source libraries. Used for sharedpointers, and threading.
- Eigen version >= 3.0.0 (http://eigen.tuxfamily.org/)
Unified matrix library. Used as the matrix backend for SSE optimized math.
FLANN version >= 1.6.8(http://www.cs.ubc.ca/research/flann/)Library for performing fast approximate nearest neighbor searches in highdimensional spaces. Used in kdtree for fast approximate nearest neighborssearch.
- Visualization ToolKit (VTK) version >= 5.6.1 (http://www.vtk.org/)
Software system for 3D computer graphics, image processing and visualization.Used in visualization for 3D point cloud rendering and visualization.
Optional
The following libraries are Optional and provide extended functionalitywithin PCL, ie Kinect support.
- Qhull version >= 2011.1 (http://www.qhull.org/)
- computes the convex hull, Delaunay triangulation, Voronoi diagram, halfspaceintersection about a point, furthest-site Delaunay triangulation, andfurthest-site Voronoi diagram. Used for convex/concave hull decompositionsin surface.
- libusb (http://www.libusb.org/)
- A library that gives user level applications uniform access to USB devicesacross many different operating systems.
- PCL Patched OpenNI/Sensor (http://www.openni.org/)
- The OpenNI Framework provides the interface for physical devices and formiddleware components. Used to grab point clouds from OpenNI compliantdevices.
Advanced (Developers)
The following libraries are Advanced and provide additional functionalityfor PCL developers:
- googletest version >= 1.6.0 (http://code.google.com/p/googletest/)
- Google’s framework for writing C++ tests on a variety of platforms. Usedto build test units.
- Doxygen (http://www.doxygen.org)
- A documentation system for C++, C, Java, Objective-C, Python, IDL (Corba andMicrosoft flavors), Fortran, VHDL, PHP, C#, and to some extent D.
- Sphinx (http://sphinx-doc.org/)
- A tool that makes it easy to create intelligent and beautifuldocumentation.
By now you should have downloaded and installed the latest versions of XCode andMacPorts under the Prerequisites section. We’ll be installing mostdependencies available via MacPorts and the rest will be built from source.
Install CMake
Install Boost
Install Eigen
Install FLANN
Install VTK
To install via MacPorts:
To install from source download the source fromhttp://www.vtk.org/VTK/resources/software.html
Follow the README.html for compiling on UNIX / Cygwin / Mac OSX:
Press [c] for initial configuration
Press [t] to get into advanced mode and change the following:
Note
VTK must be built with Cocoa support and must be installed,in order for the visualization module to be able to compile. If you donot require visualisation, you may omit this step.
Press [g] to generate the make files.
Press [q] to quit.
Then run:
Install Qhull
Install libusb
Install Patched OpenNI and Sensor
Download the patched versions of OpenNI and Sensor from the PCL downloads pagehttp://pointclouds.org/downloads/macosx.html
Extract, build, fix permissions and install OpenNI:
In addition the following primesense xml config found within the patched OpenNIdownload needs its permissions fixed and copied to the correct location to forthe Kinect to work on Mac OS X:
Extract, build, fix permissions and install Sensor:
At this point you should have everything needed installed to build PCL withalmost no additional configuration.
Checkout the PCL source from the Github:
Create the build directories, configure CMake, build and install:
The customization of the build process is out of the scope of this tutorial andis covered in greater detail in the Customizing the PCL build process tutorial.
We finally managed to compile the Point Cloud Library (PCL) for Mac OS X. Youcan start using them in your project by following the Using PCL in your own project tutorial.
API Documentation (Doxygen)
Install Doxygen via MacPorts:
Or install the Prebuilt binary for Mac OS X(http://www.stack.nl/~dimitri/doxygen/download.html#latestsrc)
After installed you can build the documentation:
Tutorials (Sphinx)
In addition to the API documentation there is also tutorial documentation builtusing Sphinx. The easiest way to get this installed is using pythonseasy_install:
The Sphinx documentation also requires the third party contrib extensionsphinxcontrib-doxylink (https://pypi.python.org/pypi/sphinxcontrib-doxylink)to reference the Doxygen built documentation.
To install from source you’ll also need Mercurial:
After installed you can build the tutorials:
Note
Sphinx can be installed via MacPorts but is a bit of a pain getting all thePYTHON_PATH’s in order
Mac OS X Lion 10.7 is the eighth version of the Mac OS X series. This is completely a different version from Windows. Mac OS X Lion 10.7 ISO depends on the productivity which is suitable for Mac operating system X. This is the reason why Mac is one of the best and successful processors of 2011. This is mainly followed by the Mac of the year 2007.
Mac OS X Lion 10.7 ISO was released on 22nd June 2011 across the globe. This software is considered as the most effective and faster from the previous Mac OS version released so far. The smart element of this version is this software is the blend of Lion 10.7 and Mountain Lion which is more advanced to operate.
A huge number of CD ROM and DVD ROM is utilized before in apple. But sometimes the framework of these is not working properly in the downloaded versions. The recent version of OS X available in the Mac App store is in the ‘Snow Leopard’ version. To direct move up in ‘Lion’ is not acceptable.
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Why Is Mac OS X Lion 10.7 Still Popular and Relevant?
Yes, we know that Apple has launched another latest Mac OS version, Mac OS Big Sur. Certainly, the operating system highlights some of the most useful features like an iOS inspired design. Indeed, these features kindle excitement, but the latest macOS may or may not be functional in older MacBook models.
It’s for this reason that a large number of people still prefer using Mac OS X Lion 10.7. Even though the OS is a little old, it has a variety of useful features that made it the sensation of its time. Also, the user experience of Mac OS is still unmatched by any of the OS versions of its days, and if you run it on a suitable Mac or MacBook, the performance will be excellent.
Moving further, the Mac OS X Lion 10.7 has plenty of productive features that we have mentioned in the section below. Do take a look.
Productive Features Mac OS X Lion 10.7 ISO
Mac OS X lion: Wiki Server 3 which is making the system easier to merge up, share, and exchange information. People are also able to access the server’s page i.e. called the home page. The file exchanging process is easier. For easy customization, a new page Editor is added. The Lion server also can share the wireless file with the help of the server ‘Web DAV’. This is used for the clients that support ‘Web DAV’. After enabling the ‘Web DAV’ user can access from the Lion Server several applications, like Keynote, numbers, and pages.
The Profile Manager of Mac OS X Lion and Mac OS X Mavericks also supports the management of some touch devices like iPhone, iPad, and iPod. Existing directory services and delivers automatic over-the-air profile updates are integrated by this system using the Apple Push Notification service.
The system requires a time machine which is an additional hard drive or the time capsule.
The photo booth is required by the FaceTime or iSight camera which is built externally, USB video class camera, or FireWire DV Camcorder. There are backdrop effects when using the DV camcorder requires fixed focus, exposure, and also white balance.
They’ve also required facetime. video calls want a built-in facetime camera and an iSight camera that is built-in or external. Their requirement is 128 -Kbps upstream and downstream Internet connection.
Screen sharing is also a feature of this system where up to 300 Kbps internet connection is recommended. The microphone is required by Audio chats with 56Kbps internet connections.
Mac OS X Lion 10.7 Features List:
- Better touch gestures
- Full screen apps like iPad
- Mission control to smartly organize your apps
- Built in Apple store
- Launchpad stores apps
- Resume option saves your progress
- Autosave helps keep a backup of your apps data
- Different versions features let you look at old files
Mac OS X Lion 10.7 ISO/ DMG file Direct Downloading
People mainly preferred downloading the apps from the app store and the main reason behind this is that it would just download from the stub installer which is a web installer. This installer is little in size. After running the stub installer, the real operating system will begin introducing. The user would most likely download MacOS X Lion 10.7 full installer. Users can make a bootable USB from the given record also.tp establish of user’s Mac OS give a chance to complete a new introduction just as a present update.
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Security updates
The apple does not uncover or affirm security issues until an examination has stopped only for their client’s insurance. And Apple also fixes or discharges which are accessible. On the Apple Security refresh page, ongoing discharges are recorded. If the user may know more about the security, they may see the Apple Product Security page. If the user may wish, they can encode interchanges with Apple utilizing the Apple Product Security PGP Key.
If the process of downloading fails
If this matter happens, the main thing the user ought to do is to pause and retry later. On the other hand, Users may change from a remote to a satellite web association. If this process does not help to settle down the process, the user may go to the App store> View My Account.
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Users have to restart the download from the unfinished Downloads segments. An Alternate option is there, that is the user can also download Mac OS X Lion 10.7ISO/DMG freely from the website. As the user installs the downloaded images from the app store, here the installation process will be similar.
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System Requirements of Mac OS X Lion 10.7 ISO
How To Download Old Mac Os
- CPU: x86-64 where 64-bit Macs with an intel core 2 duo and Intel core i5 and intel core i7 required.
- At least 2 GB of memory was required by the system.
- Mainly Mac OSX 10.6.8 is recommended for the system requirements. Mac OS X 10.6.6 or later required is also needed.
- Space: there 7GB of available space required.
How to Install Mac OS X Lion 10.7 ISO from ISO File?
The Mac OS X Lion 10.7 ISO Download procedure is always easy. The real trouble arises when you have to set up this macOS on your PC/Mac/MacBook. But don’t worry. We know how to resolve the issue.
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In the section below, we are mentioning a step-by-step procedure to set up Mac OS X Lion 10.7 ISO on your PC. So, let’s see how we do it.
- Download the ISO file and don’t let it run automatically.
- Make a copy of the Mac OS X Lion ISO (10.7) on a disk or flash drive. Make sure the drive has enough capacity. The driver will require over 5 GB of empty space. (You can also use Dishmaker for this process).
- Put the flash drive into your mac’s USB port and turn the mac on.
- Immediately hold down the option key. You will see the screen where you can choose a startup disk
- Click on the flash drive and continue.
- A minimal work screen will pop up. From this screen click Disk Utility.
- Choose the flash drive’s name, click partition on the right side.
- Go to the drop-down saying “Current” and change it to the number of partition drives that you want to create.
- This will unlock the options button at the bottom.
- Now click options and choose the radio button for GUID.
- At this point, click OK.
- Click Apply.
And that is it. Once you have followed the above mentioned steps to install Mac OS X 10.7 ISO on your MacBook, your drive will be ready to install macOS X Lion 10.7. Enjoy!
Download Mac OS X Lion 10.7 ISO
We hope that you are satisfied with the information we have delivered to you. If you are a Mac user then you should know about Mac OS X Lion 10.7 ISO, as it helps you with a good amount of feasibility while browsing. Also, after fixing the issue the operating system will get extremely handy and easy to function. Learn how to download Mac OS X Lion 10.7 ISO and keep your operating system up-to-date. If you have any queries regarding the download of Mac OS X Lion 10.7 ISO you can drop down your concern in the comment section and we will get back with the solution in minimum time.