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OGC 표준 기반공간분석과 시각화 기법

Mango System inc.이민파 (mapplus@gmail.com)

2017 년 01 월 12 일

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01 공간정보분석과 시각화02 오픈소스 GIS 와 OGC 표준

목차

- 일러두기 -• 본 자료는 모두 Creative Commons License CC-BY-NC 을 따릅니다 .

03 오픈소스 기반 GIS R&D

04 사례 1: 국토환경성평가지도 서비스05 사례 2: 통합적 역학조사 분석시스템06 사례 3: Web Processing Service 데모07 데모 프로그램 설치08 Advanced Web Processing Service

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공간정보분석과 시각화- 활용 패턴 -

- 일러두기 -• 본 자료는 모두 Creative Commons License CC-BY-NC 을 따릅니다 .

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GIS 기반 공간분석 방법론 ?• 김영표 . 임은선 . 2003. GIS 기반 공간분석방법론 개발 연구 . 경기 : 국토연구원

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공간분석기법을 지원하는 GIS 소프트웨어

Desktop Server + Web

RPython

Java

C++

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Workflow for Map Visualization

대상 레이어Text Geocoding

Visualization Processing Processing

Visualization

참조 레이어

Visualization

12

3

4

• 단순한 심볼 표현에서부터 1 차 , 2 차 , 3 차 가공을 통한 시각화 과정

Map

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Single Layer – Visualization

Symbolization

LinePoint Polygon

Simple GraduatedSymbol

GraduatedColor

Equal Interval

Natural Breaks Quantile Standard

Deviation

UniqueValues

Classification

UserDefined

ColorBrewer

Flow Map

Point - type

Line - pattern

Polygon - pattern

Label - buffer, shadow…

ChartSymbol

Feat

ure

Type Raster

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Single Layer – Vector Analysis

Vector Analysis

LinePoint Polygon

BufferWindRose Maps

MultipleRing Buffer

HexagonPolar Grids

CalculationMinimumBoundingGeometry

Circle

XYLengthAreaExpression…

Dissolve

Feat

ure

Type

Fishnet

Network Analy-sis

Shortest PathService Area…

Ring Maps

Grids

EnvelopeCircleConvex Hull…Aggregation

Thiessen Polygon

DelaunayTrangulation

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Single Layer – Spatial Statistics

Spatial Statistics Analysis

Autocorrelation

Clustering Distribution

LinePoint Polygon

Central Feature

Standard De-viational El-

lipse

Standard Dis-tance

Mean Center

Median CenterLinear Direc-

tional Mean

G-Statistics

Moran’s I

Spatial LQ

K-Means

Patterns - Global

G-Statistics Moran’s I

Spatio-Temporal Clustering

Nearest Neighbor K-function

Knox Statistics

Spatial Scan Statistics

Feat

ure

Type

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Single Layer – Raster Analysis

Raster Analysis

LinePoint Polygon

Density DistanceInterpolationHeatMap

IDWSplineKriging…

Point

Kernel

Line

Raster

Surface

SlopeAspectHillshadeContour…

Feat

ure

Type

Hydro…..

DistanceDirectionAllocation

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Two or more Layers : Vector Analysis

Vector Analysis

PointLine

PointPoint

PointPolygon

PointStatistics Overlay

LinePolygon

PolygonPolygon

Spider Map

Line Statistics

ArealInterpolation

Dasymetric Mapping

Count

SumMeanMinMaxStd. Dev.Var…

Sum Length

UnionIntersectSymmetrical DifferenceIdentityEraseClip…

DistanceCalculation

Attribute

Distance

Feat

ure

Type

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Two or more Layers : Raster Analysis

Raster Analysis

LineRaster

PointRaster

PolygonRaster

ValueExtraction OverlayZonal

Statistics

RasterRaster

Feat

ure

Type

SumMeanMinMaxStd. Dev.Var…

Calculation

Modeling

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Graduated Color• 인구밀도처럼 숫자필드의 값으로 급간을 구분하여 색상으로 시각화

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Graduated Symbol• 숫자필드의 값으로 급간을 구분하여 심볼의 색상 및 크기로 시각화

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Chart Symbol• 하나 이상의 숫자필드의 값으로 차트 심볼을 이용하여 시각화

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Flow Map Rendering• 인구이동 등 두 지점간의 값을 화살표 및 굵기로 시각화

출처 : http://www.onspatial.com/2011/04/cartographyflow-map-renderer.html

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오픈소스 GIS 와 OGC표준- 공간분석기법과 시각화 기술 개발 -

- 일러두기 -• 본 자료는 모두 Creative Commons License CC-BY-NC 을 따릅니다 .

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Open Geospatial Consortium (OGC) Standards

• 전세계 520 여개 이상 정부 기관과 기업 , 대학들이 참여하고 있는 세계 최대 공간정보산업 표준화 추진기구– 데이터 포맷 (KML, GML 등 ) 에서부터 OGC Web Service(WMS, WFS, WCS,

CSW 등 ) 에 이르는 다양한 표준 제정 및 인증– 사이트 : http://www.opengeospatial.org

• 주요 참여 기관– 해외 : 미국 국토안보부 , NASA, 마이크로소프트 , 구글 , 오라클 , ESRI, 오토데스크 등– 국내 : 국토교통부 , 공간정보산업진흥원 , 공간정보연구원 , 한국건설기술연구원 ,

ETRI, 국토연구원 , 부산대학교 , 서울대학교 , 안양대학교 , 한국외국어대학교 , 삼성 SDS, 현대 MN 소프트 등

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OGC Web Service• Web 을 통해 WMS( 지도 , 범례 ), WFS( 벡터 , 공간쿼리 , 편집 ), WCS( 래스터 , Sub-

set, Resampling, Reprojection), WPS( 공간분석 및 처리 ), CSW( 메타데이터 카탈로그 ) 등의 서비스를 활용하는 체계 – OGC 표준 기반 , GIS 사업 발주시 기본 요구사항

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OWS 활용 패턴

• WMS(WMTS, OSGeo TMS), WFS(WFS-T), WCS, WPS, WCS…

WMS + TMS

WFS

WPS

WCS ???

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WPS 지원 서버

• Java, Python, C(C++) 등 다양

http://geoserver.org

http://www.deegree.org

http://52north.org

http://pywps.org

http://zoo-project.org

http://www.esri.com

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WPS – Process Chaining• 여러 Process 들을 엮어서 새로운 Process 생성 / 활용

도시내부 건물노후불량률 분석 예

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오픈소스 기반 GIS R&D- 공간분석기법과 시각화 기술 개발 -

- 일러두기 -• 본 자료는 모두 Creative Commons License CC-BY-NC 을 따릅니다 .

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R&D: 오픈소스기반 공간분석 및 시각화 기술 개발

• 목표 : Java 엔터프라이즈 기반 공간 ( 통계 ) 분석 패키지 개발• GeoTools 기반의 공간 ( 통계 ) 분석 라이브러리• GeoServer OGC WPS 지원 공간분석 서비스 서버 패키지• uDig 기반의 공간분석 툴박스 데스크톱 플러그인

Java + JTS + JAI + Apache + …

Eclipse RCPSpring Framework + Wicket UI

① GeoToolsSpatial Analysis

Libraries

② GeoServer WPS Extension

③ uDig DesktopProcessing Toolbox Plugin

uDig Desktop

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• GeoTools(OSGeo), GeoServer(OSGeo), uDig(LocationTech)• GeoTools 를 이용하는 모든 프로젝트 적용 가능

기반 오픈소스 GIS

LibrariesServer GIS

Desktop GIS

GeoTools

OpenMap

GeoServer JTS Topology Suite(Geometry Engine)

JUMP and …

uDig

deegree

gvSIG GeoAPI OGC Stan-dards

GEOS: C

NTS: .NET

JSTS: JS

World Wind

shapely: Python

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• 현재 100 여개 이상 공간분석 알고리즘 탑재• GitHub

• Member(17), Commit(350), Fork(23)• https://github.com/mapplus/spatial_statistics_for_geotools_udig

• Transifex Localization• 언어지원 (3), 번역자 (7), 문자열 (1,428)• https://www.transifex.com/mangosystem/ss-rd/dashboard

• SourceForge 배포• https://sourceforge.net/projects/mango-spatialstatistics

• uDig 2.0.0-SNAPSHOT Plugin Repository 운영• http://www.mangosystem.com:8080/s2toolbox_updates

• 소스코드 공개 , 지역화 , 배포 사이트 현황R&D: 오픈소스기반 공간분석 및 시각화 기술 개발

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구현 기능

StorageStyler

Transformation

I18n Resources

Vector Operation Raster Operation

Spatial Statistics Operation

ProcessFactory & Process

Process Parameter IO

Repository

I18n Resources

Graph & Utilities

Widget & Dialog

Procesing Toolbox

④

Scripting & Modeler

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R&D: 오픈소스기반 공간분석 및 시각화 기술 개발

구분 대분류 중분류 현황 비고

GeoTools

Descriptive StatisticsDescriptive 5

공간통계 분석기법 및 시각화Distributions 6Density 1

Spatial Pattern AnalysisPoint Pattern Analysis 4Global Spatial Auto-correlation 9Local Spatial Auto-correlation 9

Spatial Clustering AMOEBA 1Spatial Modeling Spatial Multivariate 1Spatial Interpolation Deterministic 2Graphic Visualization Graph & Visualization 7

Vector GeoProcessing

Spatial Weight Matrix 1Spatial Unit Creation 9

벡터 분석 및 처리Calculation 7Aggregation 8Conversion 3Proximity 5Overlay 6Extract 6Generalization 5Feature Tools 21

Raster GeoProcessing

Conversion 5

래스터 분석 및 처리 (2017 년 중점 )

Density 1Descriptive 2Distance 1Classification 2Extraction 5Zonal Statistics 1Overlay & Math 3

Feature Transformation 28 + @ 실시간 분석 및 처리GeoServer Proces Parameter IO Custom XML 10 + @

OGC WPS 지원Format 3 + @

uDigWidget Parameters 20 + @

데스크톱 기반 위젯 및 그래프 지원Internal Dialog 5

Tools Custom Tools 4Graph Tools 5

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사례 1: 국토환경성평가지도 서비스- 환경부 -

- 일러두기 -• 본 자료는 모두 Creative Commons License CC-BY-NC 을 따릅니다 .

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아키텍처

User Application ServerApache Tomcat

HTTPGET/POST Request

Response

HTTPGET/POST Request

JSON, XML

UI ClientWeb Browser

• Internet Explorer 8+

• Chrome 27+

• Firefox 19+

Web Service Client

• REST or SOAP

User Interface

UI

MAP

Service Framework SpringMVC

Database Access MyBatis

Database Server PostgreSQL / PostGIS

GIS Server

OBJECT, XML

Service Type

WMS - Map, Legend

WFS - Vector, Spatial Query

WPS - Analysis Processing

DataS-toreJDBC

HTTPGET/POST Request

ImageXMLGML

GeoJSONKML

Object-Rela-tional Map-ping (ORM)

JDBC

: 적용기술

: 세부 적용기술

: 서비스 영역

: 데이터 및 처리방향OBJECT

BASEMAP – V-World

• Raster File + PostGIS + GeoServer + OpenLayers 2

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환경부 국토환경성평가지도 서비스

• 국토환경성평가지도의 관심지역 분석에 래스터 분석 기법 활용• http://ecvam.kei.re.kr

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사례 2: 통합적 역학조사 분석시스템- 농림축산검역본부 R&D -

- 일러두기 -• 본 자료는 모두 Creative Commons License CC-BY-NC 을 따릅니다 .

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통합적 역학조사 분석시스템 (2015.8 ~ 2017.8)• 농림축산검역본부 R&D 중 1 과제• 구제역 발생현황 및 축산시설 방문차량을 이용한 역학조사 분석 활용

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통합적 역학조사 분석시스템 (2015.8 ~ 2017.8)• 차량방문정보 ( 약 1 억건 ), 축산농가 및 시설 ( 약 40 만건 ), • 구제역발생현황 2014 년 (183 건 ) 테이블로 구성

차량방문정보차량번호방문일자농가번호방문목적……

축산농가정보위치 (Point)농가번호사육두수….

FMD 발생현황위치 (Point)농가번호발생일…

월별 차량 방문정보view

시도 , 시군구 , 읍면동 행정경계

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아키텍터

User Application ServerApache Tomcat

HTTPGET/POST Request

Response

HTTPGET/POST Request

JSON, XML

UI ClientWeb Browser

• Internet Explorer 8+

• Chrome 27+

• Firefox 19+

Web Service Client

• REST or SOAP

User Interface

UI

MAP

Service Framework SpringMVC

Database Access MyBatis

Database Server PostgreSQL / PostGIS

GIS Server

OBJECT, XML

Service Type

WMS - Map, Legend

WFS - Vector, Spatial Query

WPS - Analysis Processing

DataS-toreJDBC

HTTPGET/POST Request

ImageXMLGML

GeoJSONKML

Object-Rela-tional Map-ping (ORM)

JDBC

: 적용기술

: 세부 적용기술

: 서비스 영역

: 데이터 및 처리방향OBJECT

BASEMAP – V-World

• PostGIS + GeoServer + Spring Framework + OpenLayers 3

www.mangosystem.com

Demo: 통합적 역학조사 분석시스템

• FMD 발생자료를 이용한 Pin Map: 발생현황• HeatMap/Kernel Density: WMS Rendering Transformation

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Demo: 통합적 역학조사 분석시스템

• FMD 발생자료를 이용한 시도 / 시군구 / 읍면동별 단계구분도• 실시간 Point in Polygon Overlay 분석 후 지도화

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Demo: 통합적 역학조사 분석시스템

• FMD 발생자료를 이용한 Point Cluster Map• WMS Rendering Transformation

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Demo: 통합적 역학조사 분석시스템

• FMD 발생자료를 이용한 Spatial Clump Map (5km)• k-Nearest Neighbor Map(1 ~ n 차 )

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Demo: 통합적 역학조사 분석시스템

• FMD 발생자료를 이용한 Wind Rose Map: 확산 Pattern 분석

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Demo: 통합적 역학조사 분석시스템

• FMD 발생자료를 이용한 시계열 애니메이션

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Demo: 통합적 역학조사 분석시스템

• FMD 발생자료와 차량방문정보를 이용한 사회연결망그래프• 특정발생농가에서 최근 21 일 내에 방문한 모든 차량과 차량이 방문한 모든 농가 확인

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사례 3: Web Processing Service 데모- 오픈소스기반 공간분석기법 개발 R&D -

- 일러두기 -• 본 자료는 모두 Creative Commons License CC-BY-NC 을 따릅니다 .

www.mangosystem.com

아키텍처

User Application ServerApache Tomcat

HTTPGET/POST Request

Response

HTTPGET/POST Request

JSON, XML

UI ClientWeb Browser

• Internet Explorer 8+

• Chrome 27+

• Firefox 19+

Web Service Client

• REST or SOAP

User Interface

UI

MAP

Database Server PostgreSQL / PostGIS

GIS Server

Service Type

WMS - Map, Legend

WFS - Vector, Spatial Query

WPS - Analysis Processing

DataS-toreJDBC

HTTPGET/POST Request

ImageXMLGML

GeoJSONKML

: 적용기술

: 세부 적용기술

: 서비스 영역

: 데이터 및 처리방향

OBJECT

BASEMAP – V-World

• PostGIS + GeoServer + OpenLayers3

www.mangosystem.com

HeatMap – WMS Rendering Transformation

• 2014.12 ~ 2015 년 4 월 FMD 발생자료

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Point Cluster Map – WMS Rendering Transforma-tion• 2014.12 ~ 2015 년 4 월 FMD 발생자료

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Binning – WMS Rendering Transformation

• Hexagonal, Circular, Rectangular Binning

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O-D Flow Map – WMS Rendering Transformation

• 2014.12 ~ 2015 년 4 월 FMD 발생자료

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시계열 데이터를 이용한 Ring Map• 서울시 구별 2000~2005 년 인구자연증가율

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Wind Rose Map• 서울시청을 기준으로 아파트 분포 패턴

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Spatial Clump Map – WMS Rendering Transfor-mation• 2014.12 ~ 2015 년 4 월 FMD 발생자료

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Thiessen Polygons + Hub Lines• 서울시 구청과 가장 가까운 아파트와의 관계

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Summarize Nearby• 학교와 반경 300 미터 이내의 주유소

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Standard Deviational Ellipse• 서울시 아파트의 구별 Standard Deviational Ellipse

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Process Chaining• Hexagon – Point Aggregation – Local Moran’s I

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Raster Surface Profile• DEM 을 이용한 두 지점간의 Profile 및 그래프 확인

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Radial Line of Sight• 남산에서 반경 5km 이내의 LOS

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Raster Conditional Evaluation -> Raster To Polygon

• 서울시 표고 250m 이하의 지역을 추출 후 폴리곤으로 변환

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Find the highest and lowest points• 현재 영역에서의 최고 / 최저값 지역을 포인트로 추출

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Military Analysis - Helicopter Landing Zone• 경사 , 토양 , 식생 , 장애물 등

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Military Analysis - Helicopter Landing Zone• 사례연구

Reference: JONG-KOOK PARK, 2014, Geospatial Analysis Research for Helicopter Rescue Optimal Planning System, Soongsil University https://gis.e-education.psu.edu/sites/default/files/capstone/Miller_Geog596A_20120926.pptx

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Military Analysis - Helicopter Landing Zone• Ex> HLZ Analysis Workflow – Process Chaining

DataVariablesServiceProcess

SlopeLandCoverSoilType

WCSWFSWFS

RasterConditional

RasterToVector

AOI

IntersectIntersect Dissolve

Output

Minimum Area

SelectCalculate AreaTo Singlepart

1

2

3

4 5 6 7 8

Obstructions

Buffer

WFS

Difference

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Military Analysis - Helicopter Landing Zone• 8 개의 Process 를 연결하여 하나의 분석 Flow 생성

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WPS Builder• Web 에서 WPS Process 를 Modeler 처럼 사용

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uDig Desktop Toolbox• uDig Desktop 플러그인

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데모 프로그램 설치- 오픈소스기반 공간분석기법 개발 R&D -

- 일러두기 -• 본 자료는 모두 Creative Commons License CC-BY-NC 을 따릅니다 .

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설치 과정

• Tomcat 기반Oracle JRE 7 or OpenJDK 7

• GeoServer & Version• Java 8 - GeoServer 2.9.x and above• Java 7 - GeoServer 2.6.x to 2.8.x• Java 6 - GeoServer 2.3.x to 2.5.x• Java 5 - GeoServer 2.2.x and earlier

Apache Tomcat 7 ~ 8

GeoServer 2.8.x Web Archive

GeoServer WPS Extension

OpenGDA Analysis

Service Configuration

PostgreSQL + PostGIS(2.x)

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아키텍처

User Application ServerApache Tomcat

HTTPGET/POST Request

Response

HTTPGET/POST Request

JSON, XML

UI ClientWeb Browser

• Internet Explorer 8+

• Chrome 27+

• Firefox 19+

Web Service Client

• REST or SOAP

User Interface

UI

MAP

Database Server PostgreSQL / PostGIS

GIS Server

Service Type

WMS - Map, Legend

WFS - Vector, Spatial Query

WPS - Analysis Processing

DataS-toreJDBC

HTTPGET/POST Request

ImageXMLGML

GeoJSONKML

: 적용기술

: 세부 적용기술

: 서비스 영역

: 데이터 및 처리방향

OBJECT

BASEMAP – V-World

• PostGIS + GeoServer + OpenLayers3

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GeoServer WPS Extension 확인

• Service Capabilities

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WPS Request Builder• WPS Request XML 생성 및 실행

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WPS Security• Process 활성화 , Input Parameter 의 최대 크기 등 설정

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Advanced Web Processing Service

- Reference

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WPS Operation: GetCapabilities• 서버에서 제공하는 Process 목록 및 기타 기능 지원에 대한 메타데이터 제공

http://127.0.0.1:8080/geoserver/ows?service=wps&version=1.0.0&request=GetCapabilities

http://127.0.0.1:8080/geoserver/ows? service=wps& version=1.0.0& request=GetCapabilities

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WPS Operation: DescribeProcess• 각각의 프로세스에 대한 Input/Output 파라미터 메타데이터 제공

http://127.0.0.1:8080/geoserver/ows?service=wps&version=1.0.0&request=DescribeProcess&Identifier=statistics:BufferFeatures

http://127.0.0.1:8080/geoserver/ows? service=wps& version=1.0.0& request=DescribeProcess& Identifier=statistics:BufferFeatures

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WPS Operation: Execute• 프로세스 실행 , 일반적으로 HTTP POST

http://127.0.0.1:8080/geoserver/ows?service=wps&version=1.0.0&request=DescribeProcess&Identifier=statistics:BufferFeatures

1. http://127.0.0.1:8080/geoserver/ows? service=wps& version=1.0.0& request=Execute

2. Request XML

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WPS Parameter Type• Literal, BoundingBox, Complex 로 구분

WPS Parameter

Data Inputs Process Outputs

ComplexData ComplexOutput

LiteralData

BoundingBoxData

LiteralOutput

BoundingBoxOutput

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WPS Parameter Type• Literal, BoundingBox, Complex 로 구분

1. Literal

2. BoundingBox

3. Complex Custom XML

GridCoverage

XML

BinaryFeature GML

Zip-binary

Native Type: byte, short, int, long, float, double, String….

Extent

SLD

Filter Encoding

CDataGeoJSON

WKT …

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WPS Parameter Type• Mime Type 구분 , 확장 가능

Category Data source Format Mime type

Geometry &

Feature Collection

Custom Features

WFSShapefile

Cad Dataset

GML2.1GML3.1GML3.2

GeoJSONKML2.1KML2.2GeoRSS2.0 SimpleGeoRSS2.0 GMLZip-shapefileWktWkb

text/xml; subtype=gml/2.1.2text/xml; subtype=gml/3.1.1text/xml; subtype=gml/3.2.1

application/jsontext/xml; subtype=kml/2.1 (vnd.google-earth.kml+xml)text/xml; subtype=kml/2.2text/xml; subtype=rss_simple/2.0 (rss+xml)text/xml; subtype=rss_gml/2.0application/zipapplication/wkt(geometry)application/wkb(geometry)

GridCoverage WCS GeoTiff image/tiff, image/geotiff

SLD User XML text/xml; subtype=sld/1.0.0text/xml; subtype=sld/1.1.0

Filter User XML text/xml; subtype=filter/1.1XML User XML text/xml

Literal User - -

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WPS Request XML<?xml version="1.0" encoding="utf-8"?><wps:Execute version="1.0.0" service="WPS" ……………………………………..> <ows:Identifier>statistics:KernelDensity</ows:Identifier> <wps:DataInputs> <wps:Input> <ows:Identifier>inputFeatures</ows:Identifier> <wps:Reference mimeType="text/xml; subtype=gml/3.1.1" xlink:href="http://wps_server/wfs" method="POST"> <wps:Body> <wfs:GetFeature service="WFS" version="1.1.0" outputFormat="text/xml; subtype=gml/3.1.1"> <wfs:Query typeName=“cite:stations" srsName="EPSG:5181"> <ogc:Filter> <ogc:PropertyIsEqualTo> <ogc:PropertyName>sgg_cd</ogc:PropertyName> <ogc:Literal>27110</ogc:Literal> </ogc:PropertyIsEqualTo> </ogc:Filter> </wfs:Query> </wfs:GetFeature> </wps:Body> </wps:Reference> </wps:Input> <wps:Input> <ows:Identifier>searchRadius</ows:Identifier> <wps:Data> <wps:LiteralData>2500</wps:LiteralData> </wps:Data> </wps:Input> ………………………….. </wps:DataInputs> <wps:ResponseForm> <wps:ResponseDocument storeExecuteResponse="false"> <wps:Output mimeType="image/tiff" asReference="true"> <ows:Identifier>result</ows:Identifier> </wps:Output> </wps:ResponseDocument> </wps:ResponseForm></wps:Execute>

<wps:ResponseForm> <wps:RawDataOutput mimeType=“application/json"> <ows:Identifier>result</ows:Identifier> </wps:RawDataOutput> </wps:ResponseForm>

<wps:ResponseForm> <wps:RawDataOutput mimeType="text/xml; subtype=kml/2.2"> <ows:Identifier>result</ows:Identifier> </wps:RawDataOutput> </wps:ResponseForm>

<wps:ResponseForm> <wps:RawDataOutput mimeType="text/xml; subtype=gml/3.2.1"> <ows:Identifier>result</ows:Identifier> </wps:RawDataOutput> </wps:ResponseForm>

Custom Type

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WPS Request XML• Process Identifier

<?xml version="1.0" encoding="utf-8"?><wps:Execute version="1.0.0" service="WPS" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://www.opengis.net/wps/1.0.0" xmlns:wfs="http://www.opengis.net/wfs" xmlns:wps="http://www.opengis.net/wps/1.0.0" xmlns:ows="http://www.opengis.net/ows/1.1" xmlns:gml="http://www.opengis.net/gml" xmlns:ogc="http://www.opengis.net/ogc" xmlns:wcs="http://www.opengis.net/wcs/1.1.1" xmlns:xlink="http://www.w3.org/1999/xlink" xsi:schemaLocation="http://www.opengis.net/wps/1.0.0 http://schemas.opengis.net/wps/1.0.0/wpsAll.xsd"> <ows:Identifier>geo:centroid</ows:Identifier> <wps:DataInputs> <wps:Input> <ows:Identifier>geom</ows:Identifier> <wps:Data> <wps:ComplexData mimeType="text/xml; subtype=gml/3.1.1"> <gml:LineString srsDimension="2" srsName="http://www.opengis.net/gml/srs/epsg.xml#4326"> <gml:posList>-290.0 60.0 -240.0 150.0 20.0 130.0 100.0 90.0 180.0 60.0 260.0 -70.0</gml:posList> </gml:LineString> </wps:ComplexData> </wps:Data> </wps:Input> </wps:DataInputs> <wps:ResponseForm> <wps:RawDataOutput mimeType="text/xml; subtype=gml/3.1.1"> <ows:Identifier>result</ows:Identifier> </wps:RawDataOutput> </wps:ResponseForm></wps:Execute>

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WPS Request XML• Parameter as Reference POST<?xml version="1.0" encoding="utf-8"?><wps:Execute version="1.0.0" service="WPS" .. xmlns:wfs="http://www.opengis.net/wfs" > <ows:Identifier>statistics:BufferFeatures</ows:Identifier> <wps:DataInputs> <wps:Input> <ows:Identifier>inputFeatures</ows:Identifier> <wps:Reference mimeType="text/xml; subtype=gml/3.1.1" xlink:href="http://geoserver/wfs" method="POST"> <wps:Body> <wfs:GetFeature service="WFS" version="1.1.0" outputFormat="text/xml; subtype=gml/3.1.1"> <wfs:Query typeName=“cite:subway" srsName="EPSG:5181" /> </wfs:GetFeature> </wps:Body> </wps:Reference> </wps:Input> <wps:Input> <ows:Identifier>distance</ows:Identifier> <wps:Data> <wps:LiteralData>100</wps:LiteralData> </wps:Data> </wps:Input> </wps:DataInputs> <wps:ResponseForm> <wps:RawDataOutput mimeType="text/xml; subtype=gml/3.1.1"> <ows:Identifier>result</ows:Identifier> </wps:RawDataOutput> </wps:ResponseForm></wps:Execute>

ex) wfs, wcs, gml, filter, sld … complex type

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WPS Request XML• Parameter as Reference GET<?xml version="1.0" encoding="utf-8"?><wps:Execute version="1.0.0" service="WPS" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://www.opengis.net/wps/1.0.0" xmlns:wfs="http://www.opengis.net/wfs" xmlns:wps="http://www.opengis.net/wps/1.0.0" xmlns:ows="http://www.opengis.net/ows/1.1" xmlns:gml="http://www.opengis.net/gml" xmlns:ogc="http://www.opengis.net/ogc" xmlns:wcs="http://www.opengis.net/wcs/1.1.1" xmlns:xlink="http://www.w3.org/1999/xlink" xsi:schemaLocation="http://www.opengis.net/wps/1.0.0 http://schemas.opengis.net/wps/1.0.0/wpsAll.xsd"> <ows:Identifier>statistics:BufferFeatures</ows:Identifier> <wps:DataInputs> <wps:Input> <ows:Identifier>inputFeatures</ows:Identifier> <wps:Reference mimeType="text/xml; subtype=gml/3.1.1" xlink:href="http://server/temp/api_data/areaFeatures.xml" method="GET" /> </wps:Input> <wps:Input> <ows:Identifier>distance</ows:Identifier> <wps:Data> <wps:LiteralData>100</wps:LiteralData> </wps:Data> </wps:Input> </wps:DataInputs> <wps:ResponseForm> <wps:RawDataOutput mimeType="text/xml; subtype=gml/3.1.1"> <ows:Identifier>result</ows:Identifier> </wps:RawDataOutput> </wps:ResponseForm></wps:Execute>

ex) wps process result(asReference=true), external resource(dxf…)..

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WPS Request XML• Parameter as CDATA<?xml version="1.0" encoding="utf-8"?><wps:Execute version="1.0.0" service="WPS" ...> <ows:Identifier>ras:contour</ows:Identifier> <wps:DataInputs> <wps:Input> <ows:Identifier>data</ows:Identifier> <wps:Reference mimeType="image/tiff" xlink:href="http://geoserver/wcs" method="POST"> <wps:Body><![CDATA[<?xml version="1.0" encoding="UTF-8"?><GetCoverage version="1.1.1" service="WCS" xmlns="http://www.opengis.net/wcs/1.1.1" ...> <ows:Identifier>cite:dem</ows:Identifier> <DomainSubset> <ows:BoundingBox crs="urn:ogc:def:crs:EPSG::2096"> <ows:LowerCorner>249126.90643187007 366434.5230430386</ows:LowerCorner> <ows:UpperCorner>260621.90643187007 377144.5230430386</ows:UpperCorner> </ows:BoundingBox> </DomainSubset> <Output store="true" format="image/geotiff"> <GridCRS> <GridBaseCRS>urn:ogc:def:crs:EPSG::2096</GridBaseCRS> <GridType>urn:ogc:def:method:WCS:1.1:2dSimpleGrid</GridType> <GridOffsets>5.0 -5.0</GridOffsets> <GridCS>urn:ogc:def:cs:OGC:0.0:Grid2dSquareCS</GridCS> </GridCRS> </Output></GetCoverage>]]></wps:Body> </wps:Reference> </wps:Input>

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WPS Request XML• WFS 효율적으로 사용하기• SELECT * FROM sgg;• Select gid, geom, pop_den FROM sgg WHERE geom && ST_MakeEnvelope(14147434, 4509613, 14148345, 4524017, 3857);

<wps:Input> <ows:Identifier>inputFeatures</ows:Identifier> <wps:Reference mimeType="text/xml" xlink:href="http://geoserver/wfs" method="POST"> <wps:Body> <wfs:GetFeature service="WFS" version="1.1.0" outputFormat="GML3" xmlns:foss="http://www.opengeospatial.net/foss"> <wfs:Query typeName="foss:sgg"> <wfs:PropertyName>gid</wfs:PropertyName> <wfs:PropertyName>geom</wfs:PropertyName> <wfs:PropertyName>pop_den</wfs:PropertyName> <ogc:Filter> <ogc:BBOX> <ogc:PropertyName>geom</ogc:PropertyName> <gml:Envelope srsName="http://www.opengis.net/gml/srs/epsg.xml#3857"> <gml:lowerCorner>14147434 4509613</gml:lowerCorner> <gml:upperCorner>14148345 4524017</gml:upperCorner> </gml:Envelope> </ogc:BBOX> </ogc:Filter> </wfs:Query> </wfs:GetFeature> </wps:Body> </wps:Reference></wps:Input>

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WPS Request XML• WCS 효율적으로 사용하기

• Subset(BoundingBox), Resample(GridOffsets), Reproject(GridBaseCRS)

<?xml version="1.0" encoding="UTF-8"?><GetCoverage version="1.1.1" service="WCS" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://www.opengis.net/wcs/1.1.1" xmlns:ows="http://www.opengis.net/ows/1.1" xmlns:gml="http://www.opengis.net/gml" xmlns:ogc="http://www.opengis.net/ogc" xsi:schemaLocation="http://www.opengis.net/wcs/1.1.1 http://schemas.opengis.net/wcs/1.1.1/wcsAll.xsd"> <ows:Identifier>foss:seoul_dem30</ows:Identifier> <DomainSubset> <ows:BoundingBox crs="urn:ogc:def:crs:EPSG::5181"> <ows:LowerCorner>179171.39881047895 436569.3290600816</ows:LowerCorner> <ows:UpperCorner>216221.0981287582 466869.08315843146</ows:UpperCorner> </ows:BoundingBox> </DomainSubset> <Output store=“false" format="image/tiff"> <GridCRS> <GridBaseCRS>urn:ogc:def:crs:EPSG::3857</GridBaseCRS> <GridType>urn:ogc:def:method:WCS:1.1:2dSimpleGrid</GridType> <GridOffsets>50.0 -50.0</GridOffsets> <GridCS>urn:ogc:def:cs:OGC:0.0:Grid2dSquareCS</GridCS> </GridCRS> </Output></GetCoverage>

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WPS Output: RessponseForm• RawDataOutput 과 ResponseDocument 로 구분

1. RawDataOutput

2. ResponseDocument

Document + Result URL

Status & ID

asReference

storeExecuteResponse

Document + RawData

GML, GeoJSON, GridCovearge… as raw data

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WPS Output: RessponseForm• RawDataOutput

<?xml version="1.0" encoding="utf-8"?><wps:Execute version="1.0.0" service="WPS" …………………… </wps:DataInputs> <wps:ResponseForm> <wps:RawDataOutput mimeType="text/xml"> <ows:Identifier>result</ows:Identifier> </wps:RawDataOutput> </wps:ResponseForm></wps:Execute>

<?xml version="1.0" encoding="utf-8"?><NearestNeighborIndex> <TypeName>apartment</TypeName> <Observed_Point_Count>4052</Observed_Point_Count> <Study_Area>1.047557075141607E9</Study_Area> <Observed_Mean_Distance>200.00446</Observed_Mean_Distance> <Expected_Mean_Distance>254.22844</Expected_Mean_Distance> <Nearest_Neighbor_Ratio>0.786712</Nearest_Neighbor_Ratio> <Z_Score>-25.973484</Z_Score> <P_Value>0.0</P_Value> <Standard_Error>2.087667</Standard_Error></NearestNeighborIndex>

Literal, BoundingBox, Complex(Custom XML 등 ) 등 요청 후 클라이언트에서 직접 사용하는 경우

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WPS Output: RessponseForm• RawDataOutput

<?xml version="1.0" encoding="UTF-8"?><wps:Execute version="1.0.0" service="WPS" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://www.opengis.net/wps/1.0.0" xmlns:wfs="http://www.opengis.net/wfs" xmlns:wps="http://www.opengis.net/wps/1.0.0" xmlns:ows="http://www.opengis.net/ows/1.1" xmlns:gml="http://www.opengis.net/gml" xmlns:ogc="http://www.opengis.net/ogc" xmlns:wcs="http://www.opengis.net/wcs/1.1.1" xmlns:xlink="http://www.w3.org/1999/xlink" xsi:schemaLocation="http://www.opengis.net/wps/1.0.0 http://schemas.opengis.net/wps/1.0.0/wpsAll.xsd"> <ows:Identifier>statistics:FeatureToPoint</ows:Identifier> <wps:DataInputs> <wps:Input> <ows:Identifier>inputFeatures</ows:Identifier> <wps:Reference mimeType="text/xml" xlink:href="http://geoserver/wfs" method="POST"> <wps:Body> <wfs:GetFeature service="WFS" version="1.0.0" outputFormat="GML2" xmlns:foss="http://www.opengeospatial.net/foss"> <wfs:Query typeName="foss:randomsgg"/> </wfs:GetFeature> </wps:Body> </wps:Reference> </wps:Input> </wps:DataInputs> <wps:ResponseForm> <wps:RawDataOutput mimeType="application/json"> <ows:Identifier>result</ows:Identifier> </wps:RawDataOutput> </wps:ResponseForm></wps:Execute>

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WPS Output: RessponseForm• ResponseDocument

<wps:Execute version="1.0.0" service="WPS" ............ </wps:DataInputs> <wps:ResponseForm> <wps:ResponseDocument storeExecuteResponse="false"> <wps:Output mimeType="image/tiff" asReference="true"> <ows:Identifier>result</ows:Identifier> </wps:Output> </wps:ResponseDocument> </wps:ResponseForm></wps:Execute>

<wps:ExecuteResponse service="WPS" version="1.0.0" ……….> ……… <wps:ProcessOutputs> <wps:Output> <ows:Identifier>result</ows:Identifier> <wps:Reference href="http://server/temp/gridcoverage/result_230_2123fds.tif" mimeType="image/tiff" /> </wps:Output> </wps:ProcessOutputs></wps:ExecuteResponse>

asReference=true 한번 요청 후 클라이언트에서 재사용 Tiff 와 같이 클라이언트에서 처리하기

어려운 포맷인 경우 서버에서 처리 대용량의 데이터인 경우

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WPS Output: RessponseForm• ResponseDocument<?xml version="1.0" encoding="UTF-8"?><wps:Execute version="1.0.0" service="WPS" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://www.opengis.net/wps/1.0.0" xmlns:wfs="http://www.opengis.net/wfs" xmlns:wps="http://www.opengis.net/wps/1.0.0" xmlns:ows="http://www.opengis.net/ows/1.1" xmlns:gml="http://www.opengis.net/gml" xmlns:ogc="http://www.opengis.net/ogc" xmlns:wcs="http://www.opengis.net/wcs/1.1.1" xmlns:xlink="http://www.w3.org/1999/xlink" xsi:schemaLocation="http://www.opengis.net/wps/1.0.0 http://schemas.opengis.net/wps/1.0.0/wpsAll.xsd"> <ows:Identifier>statistics:WindRoseMap</ows:Identifier> <wps:DataInputs> <wps:Input> <ows:Identifier>inputFeatures</ows:Identifier> <wps:Reference mimeType="text/xml" xlink:href="http://geoserver/wfs" method="POST"> <wps:Body> <wfs:GetFeature service="WFS" version="1.0.0" outputFormat="GML2" xmlns:foss="http://www.opengeospatial.net/foss"> <wfs:Query typeName="foss:apartment"/> </wfs:GetFeature> </wps:Body> </wps:Reference> </wps:Input> </wps:DataInputs> <wps:ResponseForm> <wps:ResponseDocument storeExecuteResponse="false"> <wps:Output asReference="true" mimeType="application/json"> <ows:Identifier>anchor</ows:Identifier> </wps:Output> <wps:Output asReference="true" mimeType="application/json"> <ows:Identifier>windRose</ows:Identifier> </wps:Output> </wps:ResponseDocument> </wps:ResponseForm></wps:Execute>

Output 이 여러 개인 경우

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WPS Output: RessponseForm• ResponseDocument: 현재 처리 상태를 알고 싶을때<wps:Execute version="1.0.0" service="WPS" ............ </wps:DataInputs> <wps:ResponseForm> <wps:ResponseDocument storeExecuteResponse=“true"> <wps:Output mimeType="image/tiff" asReference="true"> <ows:Identifier>result</ows:Identifier> </wps:Output> </wps:ResponseDocument> </wps:ResponseForm></wps:Execute>

<?xml version="1.0" encoding="utf-8"?><wps:ExecuteResponse xml:lang="en" service="WPS" serviceInstance="http://localhost:8090/geoserver/ows?" statusLocation="http://localhost:8090/geoserver/ows?service=WPS&amp;version=1.0.0&amp;request=GetExecutionStatus&amp;executionId=142e4b6c-44e1-4aba-b8a2-6da8f0793198" version="1.0.0" ……..> <wps:Process wps:processVersion="1.0.0"> <ows:Identifier>statistics:KernelDensity</ows:Identifier> ……….. </wps:Process> <wps:Status creationTime="2016-01-08T05:41:45.198Z"> <wps:ProcessAccepted>Process accepted.</wps:ProcessAccepted> </wps:Status></wps:ExecuteResponse>http://server/ows?service=WPS&version=1.0.0&request=GetExecutionResult&executionId=142e4b6c-44e1-4aba-b8a2-6da8f0793198&outputId=result.tiff&mimetype=image%2Ftiff

storeExecuteResponse=true

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Q & A감사합니다 .