Hello,
I compiled GDAL 0.10 release for Android, with basic driver package. I left
cURL and other more complex dependencies for later. It works with partial
success:
a) Snags during compiling:
1. had to disable gif driver, as there was "undefined reference to
`GIFAbstractDataset::GetMetadataItem". I don't see any real use of that anyway.
2. from tif_open.c I removed lines 99 and 100 (asserts for 64bit types), as
they appear not to work on 32bit ARMv7 (they assert false). Would it be safe
enough? Interesting is that I did not have this problem with GDAL 0.9
3. Some other tweaks and changes as described in [1] to get also Swig Java
bindings working
b) Runtime problems. Main problem is that some OGR drivers do not open some of
test files, even if ogr.GetDriver() reports them. See [2] for reported the
list. There is no any error message, and debugging this via Android NDK would
be a bit too much for me.
1. Working files: shapefile, esripolygon.json, dxf, csv
2. Not working: KML, GML and GeoJSON. By not working I mean Open
(<file>,false) returns null.
So my questions:
1. Is there a way to troubleshoot runtime problems ?
org.gdal.gdal.gdal.GetLastErrorMsg() seems to report nothing after Open error.
Maybe some dependency missing from compilation?
2. Any hint how to fix tif_open.c problem properly?
Thank you,
[1] https://github.com/nutiteq/gdal/wiki/AndroidHowto
[2] https://github.com/nutiteq/hellomap3d/wiki/Ogr-layer
Jaak
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