Best practices on internal and external temporary files:. Internal Cache. If you'd like to cache some data, rather than store it persistently, you should use getCacheDir to open a File that represents the internal directory where your application should save temporary cache files. When the device is low on internal storage space, Android may delete these cache files to recover space.
However, you should not rely on the system to clean up these files for you. You should always maintain the cache files yourself and stay within a reasonable limit of space consumed, such as 1MB. When the user uninstalls your application, these files are removed. External Cache. To open a File that represents the external storage directory where you should save cache files, call getExternalCacheDir.
If the user uninstalls your application, these files will be automatically deleted. Similar to ContextCompat. Tip: To preserve file space and maintain your app's performance, it's important that you carefully manage your cache files and remove those that aren't needed anymore throughout your app's lifecycle. Both options adds files in the applications cache directory and thus can be cleared to make space as required but option 1 will add a random number on the end of the filename to keep files unique.
It will also add a file extension which is. Whereas you can specify the extension you can't specify the number that is added. You can however find the filename it generates via file.
Therefore for this reason I prefer the 2nd option as the filename you specify is the filename that is created. You can use the cache dir using context. String , java. String, java. Note: This tutorial assumes that you have completed the previous tutorials: navigating the ROS filesystem. Please ask about problems and questions regarding this tutorial on answers. Creating a ROS Package Description: This tutorial covers using roscreate-pkg or catkin to create a new package, and rospack to list package dependencies.
This creates a new ROS package. Now lets make sure that ROS can find your new package. Try re-sourcing your setup. Try moving to the directory for the package. These first-order dependencies can now be reviewed with the rospack tool. Please make sure that the permissions are correct. The user will need write permissions on that directory. Thanks to Don Branson,I solve my problem. I think next time i should use this code when i build my repo on server:. One of the principal issues with pushing to a GIT is that the material you push will appear as your material, and will block submissions from other people on a team.
As a GIT repository administrator, you will have to manage the hooks to prevent Alice's push from blocking Bob from pushing. That will make it so that team members are able to push to the repository without stepping on each other's toes. I resolved it by giving permission to the user on each of the directories that you're using, like so:.
Stack Overflow for Teams — Collaborate and share knowledge with a private group. Create a free Team What is Teams? Collectives on Stack Overflow. Learn more. Asked 9 years, 2 months ago. Active 7 months ago. Viewed k times. Community Bot 1 1 1 silver badge. Sign up for a free GitHub account to open an issue and contact its maintainers and the community.
Already on GitHub? Sign in to your account. All the dependencies and the package compile correctly with Loop Closure enabled after solving the problems with gtest from issues. I checked that few other people have reported this as well 13 , I attempted to follow the instructions there, but it was not of much help. I even cleaned the sptam and the g2o and rebuilt them. S: I am new to ROS and ubuntu.
However, I would like to run this implementation with ROS due to various other preferences. The text was updated successfully, but these errors were encountered:. Hi ihtishamaliktk , Yeah it seems you have a linking issue with g2o.
Then, if that didn't help try to follow this comment 40 comment. What Ubuntu version do you have? It was not tested in other Ubuntu versions. Sorry, something went wrong. Changing eigen 3. Now the process stops with exit code and no LOG file. It seems you have a permission issue. Thanks for solving the permission issue. It writes the log now. On you recommendation, I repeated this.
It does not give any error. What computer do you have? To visualize the tracked frames you have to run in a terminal rqt or rviz and subscribed to the image topic. I can turn off the loop closure for now, but for final state I need the loop closure for a fair comparison work.
In the readme, it is written that Profiling can be turned off for improved performance.
0コメント