wiki:MaintenanceReportsByChaitanya

GDAL Maintenance Reports by Chaitanya kumar CH

Jun 17, 2010 to Aug 07, 2010

#3630: Added some corrections, changes and a test for xlink support in GML driver.

#2852: Added a test.

#3364: Fixed a typo that was making the comparision of coordinate systems to fail sometimes.

#2798: Prepared a test for index management in shapefile driver.

#3045: Fixed a memory leak.

#3694: Made the mif driver more lenient with the mif file formatting.

May 5, 2010 to Jun 16, 2010

#3630: Added xlink support to GML driver. Added a few geometry types.

#3462: Applied the patch provided by GregersP.

Working on some enhancements for the GML driver. Adding support for topoCurve and topoSurface features. Adding limited support for xlinks tag.

Mar 24, 2010 to Apr 18, 2010

#3391: Fixed and added a test to the mapinfo (MIF) driver.

#3462: Tested the contour algorithm with and without the patch provided. No problems so far but #3535 gives another fix. I want to compare them before proceeding.

Working on some enhancements for the GML driver. Adding support for topoCurve and topoSurface features. Adding limited support for xlinks tag.

Feb 24, 2010 to Mar 23, 2010

#3434: Fixed the shapefile driver related to system specific directory seperator.

#3436: Added the INTERLEAVE value to the IMAGE_STRUCTURE domain for ENVIDataset. Also fixed the overflow check.

#3462: Reviewed a fix to gdal_contour algorithm. Need to write a test script for further testing.

#3473: Caught a bug in GDALRasterizeLayers() that was revealed by a bug in the script tiff_write.py.

#3467: Applied a patch to fix a bug in OGRPolygon::PointOnSurface() and OGRPolygon::Centroid()

#3385: Applied a patch to fix problems caused by a call to unixODBC in some architectures.

#3480: Fixed the PG driver to differentiate system tables correctly.

Jan 2, 2010 to Feb 22, 2010

#3354: Fixed some bugs and added multi-band initialization to gdal_merge.py

#3391: Fixed the mitab driver to create an OGRFeatureDefn for a newly created layer.

#3394: Fixed SQLite driver to report correct transaction capability.

#3402: Tested CPLError calls with a static string argument. I had a problem, probably related to linking wrong libraries.

#3335: Transaction support to CopyLayer()

#3396: Fixed a bug in GDALRasterizeLayers

Added some features to gdalbuildvrt and the VRT format to facilitate a user-defined background colour.

Oct 28, 2009 to Jan 1, 2010

#3148: Patch to make frmts/gtiff/tifvsi.cpp compile under VC++ 9.0

#3154: Configure snippet is not truly able to manage both netcdf3 and netcdf4

#3166: can't make large/64-bit netCDF file

#2270: Patch for HDF5 block size recognition

#2948: GML read failure for GDAL 1.6+

#3213: ESRI ArcInfo ASCII driver not Mac-compatible

#3242: Northwood/VerticalMapper driver isn't big endian compatible

#2991: OGR PGeo driver's GetGeometryRef() returns NULL for lines/polygons with Z coordinates

#1918: PGEO: Missing geometry types (ie. type 9/19/29)

#3100: Type 51 of geometry in Personal Geodatabase/shape

#2842: Unable to delete colormap from HFA

#2221: OGR SQL limits table name and column name character set

#1999: Slowness of CPLReadLine() function on Windows

#1367: PGEO driver should not force MDB Tools on Unix platforms

#3259: GeoTiff driver problem with JPEG Encoded Images

#3260: like in ticket #2643 where shape type 50 PGeodatabases are not recognized, 51 seems to be the same issue

#1540: Minor memory leaks in gmlreader.cpp

#3202: BURN_VALUE_FROM option for GDALRasterizeGeometries

#2304: Failed test in ogr_mysql.py

#3247: Shapefile driver truncated field names, sometimes causing duplicates

#3237: Northwood/VerticalMapper Driver Contribution

#3161: Enhancements proposal for gdal_merge.py

#3236: Ogr2ogr stops appending to .shp file at 2 GB

#3129: Contour orientation

Compiler warnings in MS Windows

Sep 25, 2009 to Oct 27, 2009

#3156: Fixed the problem with xerces library's changes between versions 2 and 3. Also found and fixed a bug that caused segmentation fault in ili driver.

#2270: Tested and applied the patch for HDF5 block size recognition

#3161: Reviewed proposal for gdal_merge.py

#3129: Looked into the norms of contour orientation and gone through the code to get a feel of the algorithm.

#3166: Researched netcdf and hdf specifications for the size issue.

#3154: Configure snippet is not truly able to manage both netcdf3 and netcdf4

Read up on autoconf

gdal-dev

Sep 9, 2009 to Sep 24, 2009

#2930 Cleanup Win32 Compile Warnings

#2798 Remove ESRI style spatial indexes from Shapefile on update via OGR. Prepared a patch. Still needs some debugging and testing.

#3148 Patch to avoid VC++ compiler errors.

Installed VC++ 9.0 alongside VC++ 8.0 on my Win32 machine. Got them both working! woohoo!!

gdal-dev

Jul 18, 2009 to Sep 8, 2009

#3083 Tested geos configuration with various permutations.

#3112 Fixed the 'pixel validity mask' issue in TSX COSAR driver with suggestions from petar.

#906 Tested NetCDF with a reportedly problematic dataset.

#2893 Researched on the NetCDF format.

#2857 Fixed the .xsd writer for date types and also added support for precision support for decimal data types.

#2852 OGR2OGR MySQL to Shapefile Truncating Decimal Places

#2930 Cleanup Win32 Compile Warnings

#2991 Applied the patch after some coding style adjustments and test it with various datasets.

#2798 Remove ESRI style spatial indexes from Shapefile on update via OGR. Prepared a patch. Still needs some debugging and testing.

May 9, 2009 to Jul 17, 2009

Added some GML3 support to GML driver. Worked with Paolo Cavallini and Andrea Peri.

#2667 Incorrect retrieving NUMBER width and precision for Oracle

#2727 ogrinfo returns 'Corrupt data' error for wkt of length 1023 characters

#2852 OGR2OGR MySQL to Shapefile Truncating Decimal Places

#2930 Cleanup Win32 Compile Warnings

#2948 GML read failure for GDAL 1.6+

#2991 OGR PGeo driver's GetGeometryRef() returns NULL for lines/polygons with Z coordinates

#2993 Out of memory reading small filtered VRT

#2995 ogr2ogr: issue with filename of Pgeo type

#3012: PPM Driver 16bit Support Byte Order Decision Questionable

#3045 Memory leak when exporting to MapInfo

Apr 22, 2009 to May 8, 2009

#2955 docs missing for the c wrappers to the the geos functions

#2956 Keyword causing format unrecognized (PDS)

#2958 rgb2pct using external color palette

#2960 Lanczos and CubicSpline resampler buffer error on 2x2 images

#1681 Add cast to (unsigned char) in all isspace() calls

#2852 OGR2OGR MySQL to Shapefile Truncating Decimal Places

#2857 ogr2ogr, shp > gml: incomplete schema

#2798 Remove ESRI style spatial indexes from Shapefile on update via OGR

Apr 01, 2009 to Apr 17, 2009

#2930 Cleanup Win32 Compile Warnings
Categerized the compiler warnings. Looked into the code. Researched for possibilities of improvements. Needs discussion.

#2938 xsi:schemaLocation attribut in GML output

#2945 postgres driver failes to create geometry index if layer name starts with a number

#2942 external libz header is not found when setting the --with-libz=ARG switch

#2875 patch for ogr feature style to make it more useable and one bugfix

#2948 GML read failure for GDAL 1.6+

Mapserver ticket http://trac.osgeo.org/mapserver/ticket/2965

Present status:
Suspending my work from now "Apr 17, 19:30:28 2009 IST(+5:30)" to "Apr 21, 2009" on account of my sister's wedding on Sunday.
Will resume work on the morning of Apr 22, 2009 IST.

Mar 09, 2009 to Mar 31, 2009

#2873 Projection Warning only printed for debug mode (ISIS 2/3, PDS)

#2194 gdal_contour always uses field id's of 0 and 1 for id and elevation

#2879 sqlite metadata=no option causes error

#2493 GDAL thinks string field is an integer field in GML layer

gdal-dev and IRC

Feb 07, 2009 to Mar 08, 2009

#1017 [OGR-GML] fids written by the GML driver are not read back correctly
Updated patch to handle very long fids and added the test ogr_gml_6() for this ticket.

#2493 GDAL thinks string field is an integer field in GML layer
Modified ParseXSD() to handle attribute values with a prefix.
Added a test script ogr_gml_7() for this ticket.

#2825 Buffer overflow detected in ogr2ogr (included in FWTools-2.0.6)

#2852 OGR2OGR MySQL to Shapefile Truncating Decimal Places

#2857 ogr2ogr, shp > gml: incomplete schema

#2879 sqlite metadata=no option causes error

#2194 gdal_contour always uses field id's of 0 and 1 for id and elevation

#2879 sqlite metadata=no option causes error

#2843 HDF4 Update In Place Support
Researched HDF4 and driver implementation procedure.

gdal-dev and IRC

Jan 18, 2009 to Feb 05, 2009

#2817 bsb kap noaa

#2486 IReadBlock failure in gdaladdo

#2782 Failure reading BSB image

#2776 e00 file not working with avcbin, but ok with avc driver

#2798 Remove ESRI style spatial indexes from Shapefile on update via OGR

#1017 [OGR-GML] fids written by the GML driver are not read back correctly

gdal-dev and IRC.

Work done till Jan 17, 2009.

  • Familiarized myselves with the GDAL/OGR project through the developer's view point.
  • Researched on AVCE00 specification for the bug in #2776 and gome through the source code.
  • Researched on noaa RNC BSB format.
    • Minimum of 3 Reference points are to be specified.
    • No mention of a maximum limit for the number of Reference points.
    • Possibility of overflow or loss of precision while calculating
  • Identified the MAX_GCP bug. #2777
  • Suggested a patch for #2777
Last modified 14 years ago Last modified on Aug 8, 2010, 12:58:24 PM
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