[Requests] Comments on 12-128r1_OpenGIS_GeoPackage_Implementation_Specification.docx

Newcomb, Doug doug_newcomb at fws.gov
Wed Feb 6 22:55:35 EST 2013


PART A


1. Evaluator:
    Doug Newcomb, USFWS, 919-856-4520 x14 doug_newcomb at fws.gov


2. Submission:
 12-128r1_OpenGIS_GeoPackage_Implementation_Specification.docx

  PART B


1. Requirement: 12


2. Implementation Specification Section number: Note:


3. Criticality: Minor edit


4. Comments/justifications for changes:

I would change "Some evolution in Mobile / Handheld Computing Environment
file system capabilities will be necessary to allow such large files, e.g.
in EXT file systems instead of FAT32 ones that limit file sizes to 4 GB."
to " Some evolution in Mobile / Handheld Computing Environment file system
capabilities will be necessary to allow larger file sizes than 4GB, the
current limitation of FAT32."  There are many filesystems, such as NTFS,
UFS, and EXT4 , as well as XT that allow for larger file sizes than 4 GB.
 FAT32 should only be named because of it's known limitation in this regard
to avoid the appearance recommending a specific filesystem.

PART B


1. Requirement: 44


2. Implementation Specification Section number: [General, #]


3. Criticality: Major


4. Comments/justifications for changes: It is vitally important that this
standard be based on a robust, fully documented serverless database
implimentation.  The choice of Sqlite with the libspatialite extension as
 the reference implementation is an excellent choice.  This option combines
the widely used , well tested, and well documented public domain sqlite
database with the proven open source libspatialite spatial database
extension.  A standard is not open without an open source reference
implimentation


PART B


1. Requirement: 45


2. Implementation Specification Section number: [General, #]


3. Criticality: Major


4. Comments/justifications for changes: libgeos is a compact and robust
vector library and is an excellent choice for maximum flexibility

PART B


1. Requirement: 46


2. Implementation Specification Section number: [General, #]


3. Criticality: Major


4. Comments/justifications for changes: Proj4 has a long development
history as a lightweight, robust , and versatile projection library and is
well suited for this task.


-- 
Doug Newcomb
USFWS
Raleigh, NC
919-856-4520 ext. 14 doug_newcomb at fws.gov
---------------------------------------------------------------------------------------------------------
The opinions I express are my own and are not representative of the
official policy of the U.S.Fish and Wildlife Service or Dept. of the
Interior.   Life is too short for undocumented, proprietary data formats.
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