[OSGeoJapan-discuss] Integration of Japanese GIS formats into mainline GDAL ?

[Minoru Akagi]

Hi Even, Miura-san and all,

Good news for us!

The new GMLAS driver can read Japanese FDG vector data files!

  http://www.gdal.org/drv_gmlas.html

Maybe we do not need to maintain own (separated) driver/GML feature
schema files (.gfs) for FGD vector data anymore.

Even, your work is really great! Thank you very much!


興味がある方向けに手順を示します。
1. 基盤地図情報JPGIS(GML)形式ファイルとその応用スキーマ定義ファイルを国土地理院のサイトからダウンロードして展開する。
- http://fgd.gsi.go.jp/download/menu.php
- http://fgd.gsi.go.jp/otherdata/spec/FGD_GMLSchemaV4.1.zip

2. OSGeo4W64インストーラのアドバンスインストールでgdal-devパッケージ(現在の最新版は2.2.0-37652)をインストール。

3. OSGeo4W64シェルを開いてgdal-devのバイナリにパスを通す。
  set PATH=C:\OSGeo4W64\apps\gdal-dev\bin;%PATH%

4. コマンド例
 a) データファイルの内容の表示
  ogrinfo -ro GMLAS:FG-GML-523307-WL-20170101-0001.xml -oo
XSD=FGD_GMLSchema.xsd -oo SWAP_COORDINATES=YES -oo
REMOVE_UNUSED_LAYERS=YES -oo REMOVE_UNUSED_FIELDS=YES --debug ON

 b) ogr2ogrコマンドでシェープファイルに変換
  ogr2ogr waterline GMLAS:FG-GML-523307-WL-20170101-0001.xml -oo
XSD=FGD_GMLSchema.xsd -oo SWAP_COORDINATES=YES -oo
REMOVE_UNUSED_LAYERS=YES -oo REMOVE_UNUSED_FIELDS=YES -lco
ENCODING=932 --debug ON

---

Regards,
Minoru

2017-03-18 14:11 GMT+09:00 Minoru Akagi <akaginch ＠ gmail.com>:
> Hi all,
>
> 2017-03-18 12:38 GMT+09:00 Hiroshi Miura(@osmf) <miurahr ＠ osmf.jp>:
>> On 2017年03月18日 11:26, Minoru Akagi wrote:
>>> Hi Miura-san, Even and all,
>>>
>>> The FGD schema has been updated many times. Frankly, GML is too
>>> complex. It is extremely difficult to create a software that fully
>>> supports all the files witten in the language. We need to avoid
>>> breaking the GML driver compatibiilty with the data formats of other
>>> countries. Tinkered driver code will burden developers and maintainers
>>> (sorry! :-<).
>> It is because we need more test data and test cases  not to break other work.
>> GDAL is a collaborative work and is a platform to help each other over countries.
>>
>> Please don't shame but let's gather your and Japanese community
>> to contribute to the code.  Tinkered code can be forged
>> like Japanese sword artisans team by pushing, pulling, hardening and patching:)
>>
>> Ok, it is true  GML spec is very complex and GSI's crafted specification is not stable.
>> There is a good chance to put our ideas to separate these complexity from the code.
>>
>> GMLAS is an approach toward this idea.
>
> Anyone tested the GMLAS driver with FGD files? Probably the way to go.
>
> Minoru