PlotInfo service

Query additional plot information at a geographic position and create PDF reports for them.

Grundstücksinformation:

Basisinformationen
Amtliche Vermessung
ÖREB-Kataster
Eigentümerinformationen

Uses an ÖREB-Webservice to generate ÖREB JSONs, XMLs and PDFs.

Uses a GBDBS Service for plot owner info requests.

Dependencies

Queries

Basic plot info

SQL for basic info query:

ENV: BASIC_INFO_SQL
input: x, y, srid, buffer
output: egrid, nummer, art_txt, optional custom fields (see BASIC_INFO_FIELDS)

Example:

SELECT
    g.egrid, g.nummer, g.art_txt, g.flaechenmass,
    ST_AsText(ST_Simplify(g.geometrie, 0.01)) AS geom,
    gem.gemeindename || ' (' || gem.bfs_nr || ')' AS gemeinde,
    'TODO' as grundbuch,
    ST_XMin(g.geometrie) as xmin,
    ST_YMin(g.geometrie) as ymin,
    ST_XMax(g.geometrie) as xmax,
    ST_YMax(g.geometrie) as ymax
FROM
    agi_mopublic_pub.mopublic_grundstueck g
    JOIN agi_mopublic_pub.mopublic_gemeindegrenze gem
        ON gem.bfs_nr = g.bfs_nr
WHERE ST_Intersects(
    g.geometrie,
    ST_Buffer(
        ST_SetSRID(ST_Point(:x, :y), :srid),
        :buffer
    )
);

Custom info fields for basic info query as list of [{"<query field>": "<label>"}]:

ENV: BASIC_INFO_FIELDS

Add these query fields to the SELECT fields in the BASIC_INFO_SQL query.

The query field flaechenmass is formatted as 1'234 m².

The special query field _flurnamen_ is used to get values from a separate Flurnamen query.

Example:

[
  {"gemeinde": "Gemeinde"},
  {"grundbuch": "Grundbuch"},
  {"nummer": "Nummer"},
  {"egrid": "E-GRID"},
  {"flaechenmass": "Fläche"},
  {"art_txt": "Art"},
  {"_flurnamen_": "Flurnamen"}
]

SQL for Flurnamen query for plot with EGRID:

ENV: FLURNAMEN_SQL
input: egrid
output: flurname

Example:

SELECT
    f.flurname
FROM
    agi_mopublic_pub.mopublic_flurname f
    JOIN agi_mopublic_pub.mopublic_grundstueck g
        ON ST_Intersects(f.geometrie, g.geometrie)
        AND NOT ST_Touches(f.geometrie, g.geometrie)
WHERE g.egrid = :egrid
ORDER BY f.flurname;

Detailed plot info

SQL for additional plot information query for EGRID:

ENV: DETAILED_INFO_SQL
input: egrid
output: flaechenmass, art, grundbuchamt, nfgeometer

Example:

SELECT
    g.flaechenmass, g.art, 'TODO' AS grundbuchamt, 'TODO' AS nfgeometer
FROM
    agi_mopublic_pub.mopublic_grundstueck g
WHERE g.egrid = :egrid LIMIT 1;

SQL for querying land cover fractions inside plot with EGRID:

ENV: LAND_COVER_FRACTIONS_SQL
input: egrid
output: area, area_percent, art, art_txt

Example:

WITH bodenbedeckung AS (
    SELECT
        ST_Area(ST_Intersection(b.geometrie, g.geometrie))
            AS b_area,
        ST_Area(g.geometrie) AS g_area,
        b.art, b.art_txt
    FROM
        agi_mopublic_pub.mopublic_bodenbedeckung b
        JOIN agi_mopublic_pub.mopublic_grundstueck g
            ON ST_Intersects(b.geometrie, g.geometrie)
            AND NOT ST_Touches(b.geometrie, g.geometrie)
    WHERE g.egrid = :egrid
)
SELECT
    SUM(b_area) AS area, SUM(b_area/g_area) * 100 AS area_percent,
    art, art_txt
FROM bodenbedeckung b
GROUP BY art, art_txt
ORDER BY area DESC;

SQL for querying building addresses inside plot with EGRID:

ENV: BUILDING_ADDRESSES_SQL
input: egrid
output: strassenname, hausnummer, plz, ortschaft

Example:

SELECT
    a.strassenname, a.hausnummer, a.plz, a.ortschaft
FROM
    agi_mopublic_pub.mopublic_gebaeudeadresse a
    JOIN agi_mopublic_pub.mopublic_grundstueck g
        ON ST_Contains(g.geometrie, a.lage)
WHERE g.egrid = :egrid
ORDER BY a.strassenname, a.hausnummer;

SQL for querying SDR infos for Liegenschaft plot (art == 0) with EGRID:

ENV: SDR_INFOS_LIEGENSCHAFT_SQL
input: egrid
output: nummer, art, art_txt, area

Example:

SELECT
    sdr.nummer, sdr.art, sdr.art_txt,
    ST_Area(ST_Intersection(sdr.geometrie, g.geometrie)) AS area
FROM
    agi_mopublic_pub.mopublic_grundstueck sdr
    JOIN agi_mopublic_pub.mopublic_grundstueck g
        ON ST_Intersects(sdr.geometrie, g.geometrie)
        AND NOT ST_Touches(sdr.geometrie, g.geometrie)
WHERE
    g.egrid = :egrid AND sdr.art != 0 AND g.art = 0
ORDER BY
    ST_Area(ST_Intersection(sdr.geometrie, g.geometrie)) DESC;

SQL for querying Liegenschaften infos for SDR plot (art != 0) with EGRID:

ENV: SDR_INFOS_SDR_SQL
input: egrid
output: nummer, art, art_txt, area

Example:

SELECT
    g.nummer, g.art, g.art_txt,
    ST_Area(ST_Intersection(sdr.geometrie, g.geometrie)) AS area
FROM
    agi_mopublic_pub.mopublic_grundstueck g
    JOIN agi_mopublic_pub.mopublic_grundstueck sdr
        ON ST_Intersects(g.geometrie, sdr.geometrie)
        AND NOT ST_Touches(g.geometrie, sdr.geometrie)
WHERE
    sdr.egrid = :egrid AND sdr.art != 0 AND g.art = 0
ORDER BY
    ST_Area(ST_Intersection(sdr.geometrie, g.geometrie)) DESC;

Optional lookup for custom land cover colors as dict {"<type>": "<CSS color>"}:

ENV: LCSFC_COLORS

Example:

{
  "Gebaeude": "#ffc8c8",

  "Strasse_Weg": "#dcdcdc",
  "Trottoir": "#dcdcdc",
  "Verkehrsinsel": "#dcdcdc",
  "Bahn": "#f0e6c8",
  "Flugplatz": "#dcdcdc",
  "Wasserbecken": "#96c8ff",
  "uebrige_befestigte": "#f0f0f0",
  "Sportanlage_befestigt": "#f0f0f0",
  "Lagerplatz": "#f0f0f0",
  "Boeschungsbauwerk": "#f0f0f0",
  "Gebaeudeerschliessung": "#f0f0f0",
  "Parkplatz": "#f0f0f0",

  "Acker_Wiese_Weide": "#f0ffc8",
  "Acker_Wiese": "#f0ffc8",
  "Weide": "#f0ffc8",
  "Reben": "#ffffc8",
  "uebrige_Intensivkultur": "#ffffc8",
  "Obstkultur": "#ffffc8",
  "Gartenanlage": "#f0ffc8",
  "Hoch_Flachmoor": "#c8fff0",
  "uebrige_humusierte": "#f0ffc8",
  "Parkanlage_humusiert": "#f0ffc8",
  "Sportanlage_humusiert": "#f0ffc8",
  "Friedhof": "#f0ffc8",

  "stehendes": "#96c8ff",
  "stehendes Gewaesser": "#96c8ff",
  "fliessendes": "#96c8ff",
  "fliessendes Gewaesser": "#96c8ff",
  "Schilfguertel": "#c8fff0",

  "geschlossener_Wald": "#a0f0a0",
  "uebrige_bestockte": "#c8f0a0",
  "Parkanlage_bestockt": "#c8f0a0",
  "Hecke": "#c8f0a0",

  "Fels": "#ffffff",
  "Gletscher_Firn": "#ffffff",
  "Geroell_Sand": "#ffffff",
  "Abbau_Deponie": "#ffffff",
  "uebrige_vegetationslose": "#ffffff",
  "Steinbruch": "#ffffff",
  "Kiesgrube": "#ffffff",
  "Deponie": "#ffffff",
  "uebriger_Abbau": "#ffffff"
}

Configuration

Environment variables:

Variable	Description
`GEODB_URL`	GeoDB connection for info queries (default: `postgresql:///?service=sogis_services`)
`BASIC_INFO_SQL`	SQL for basic info query
`BASIC_INFO_FIELDS`	List of custom fields for basic plot info
`FLURNAMEN_SQL`	SQL for Flurnamen query
`DETAILED_INFO_SQL`	SQL for additional plot information query
`LAND_COVER_FRACTIONS_SQL`	SQL for land cover fractions query
`BUILDING_ADDRESSES_SQL`	SQL for building addresses query
`SDR_INFOS_LIEGENSCHAFT_SQL`	SQL for SDR for Liegenschaft query
`SDR_INFOS_SDR_SQL`	SQL for Liegenschaften for SDR query
`LCSFC_COLORS`	Lookup for custom land cover colors (default: see above)
`OEREB_JSON_URL`*	ÖREB-Webservice URL for generating JSON
`OEREB_XML_URL`*	ÖREB-Webservice URL for generating XML
`OEREB_PDF_URL`*	ÖREB-Webservice URL for generating PDF
`GBDBS_SERVICE_URL`*	GBDBS Service URL for requesting plot owner info XML
`HIDE_OWNER_ADDRESSES`	Hide addresses of plot owners
`RECAPTCHA_SITE_KEY`	Public key for Google reCAPTCHA service
`RECAPTCHA_SECRET_KEY`	Secret key for Google reCAPTCHA verification
`GBDBS_VERSION`	GBDBS version (default: 2.1)
`BEZUG_INHALT`	Value of BezugInhalt in the GBDBS request (default: IndexMitEigentum)

mandatory

See Queries for setting the query environment variables and their defaults.

Set the OEREB_JSON_URL environment variable to the full JSON ÖREB-Webservice URL with a placeholder for the EGRID, e.g. 'http://example.com/main/oereb/extract/reduced/json/geometry/{egrid}'.

Set the OEREB_XML_URL environment variable to the full XML ÖREB-Webservice URL with a placeholder for the EGRID, e.g. 'http://example.com/main/oereb/extract/reduced/xml/geometry/{egrid}'.

Set the OEREB_PDF_URL environment variable to the full PDF ÖREB-Webservice URL with a placeholder for the EGRID, e.g. 'http://example.com/main/oereb/extract/reduced/pdf/geometry/{egrid}'.

Set the GBDBS_SERVICE_URL environment variable to the full GBDBS Service URL, e.g. 'http://example.com/gbdbs/gbdbs'.

Set the HIDE_OWNER_ADDRESSES environment variable to True to hide all addresses of plot owners (default: False).

Set the RECAPTCHA_SITE_KEY and RECAPTCHA_SECRET_KEY environment variables to your Google reCAPTCHA keys. Captcha verification for plot owner info is enabled if RECAPTCHA_SITE_KEY is set.

See reCAPTCHA documentation. Register keys here.

Usage

Start PlotInfo service:

OEREB_JSON_URL=... OEREB_XML_URL=... OEREB_PDF_URL=... GBDBS_SERVICE_URL=... python src/server.py

API documentation:

http://localhost:5022/api/

Basic plot info:

http://localhost:5022/?x=2607892&y=1228159

Additional plot info:

http://localhost:5022/plot/CH870679603216

ÖREB JSON:

http://localhost:5022/oereb/json/CH870679603216

ÖREB XML:

http://localhost:5022/oereb/xml/CH870679603216

ÖREB PDF:

http://localhost:5022/oereb/pdf/CH870679603216

Plot owner info:

http://localhost:5022/plot_owner/CH870679603216

Get HTML with embedded captcha for plot owner info request (called from QWC2 PlotOwnerInfo):

http://localhost:5022/plot_owner/captcha/CH870679603216

Plot owner info with captcha verification (called from QWC2 PlotOwnerInfo):

http://localhost:5022/plot_owner/CH870679603216?token=<captcha_token>

Development

Create a virtual environment:

python3 -m venv .venv

Activate virtual environment:

source .venv/bin/activate

Install requirements:

pip install -r requirements.txt

Name		Name	Last commit message	Last commit date
Latest commit History 60 Commits
.github/workflows		.github/workflows
schemas		schemas
src		src
.gitignore		.gitignore
Dockerfile		Dockerfile
LICENSE		LICENSE
README.md		README.md
requirements.txt		requirements.txt

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PlotInfo service

Dependencies

Queries

Basic plot info

Detailed plot info

Configuration

Usage

Development

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PlotInfo service

Dependencies

Queries

Basic plot info

Detailed plot info

Configuration

Usage

Development

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