- Open and read the contents of the GPX file into MATLAB as a string, instead of directly using `gpxread`. This allows you to inspect and potentially modify the file's content.
- Use string operations to find and correct or remove invalid field names within the GPX file content. For example, replace empty or problematic tags with acceptable placeholders.
- If modifications were made, save the corrected content to a new GPX file. This preserves the original file and gives you a potentially loadable version of the data.
- Attempt to load the modified GPX file using MATLAB's `gpxread` function, which should now work if the modifications addressed the issue.
How to load a .gpx file with an invalid field name
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Hello,
I am attempting to load a gpx file that should contain the tracklines of a ship.
m1= gpxread('tracks.gpx');
Some of the data loads into the workspace, but eventually the following error occurs, and all data is lost.
Error using tracklines (line 20)
Invalid field name: ''.
Unrecognized function or variable 's11'.
I am unable to change the field names outside of MatLab. How should I proceed?
Thank you.
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Pratyush
il 27 Mag 2024
Hi Meg,
To address the issue of loading a GPX file in MATLAB when encountering errors due to invalid field names, follow these steps:
This approach allows you to work around the problem without needing to alter the GPX file outside of MATLAB, accommodating situations where direct file editing isn't feasible or preferred.
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