1Chapter 3 Quality Control for Field-Based Spatial Data

2009 ◽  
pp. 317-334
Keyword(s):  
Quality Control ◽  
Spatial Data

scholarly journals Creation (updating) digital topographic maps for the forming the main state topographic map

2021 ◽  
Vol 41 (I) ◽  
pp. 113-122
Author(s):  
N. LAZORENKO-HEVEL ◽  
◽  
Yu. KARPINKYI ◽  
D. KIN ◽  
◽  
...  
Keyword(s):  
Quality Control ◽  
Spatial Data ◽  
Knowledge Bases ◽  
International Standards ◽  
Topographic Maps ◽  
Practical Significance ◽  
Topographic Map ◽  
Topological Relations ◽  
The Creation ◽  
Automated Quality Control

Purpose. The purpose of the article is to research the peculiarities of creation (updating) of digital topographic maps at the scale of 1:50 000/1:10 000 which would satisfy the requirements for the development of the seamless Topographic Database of the Main State Topographic Map at the scale of 1:50 000. Methodology. The basis for the research is the analysis of the possibilities of applying the theory of databases and knowledge bases, International Standards and specifications and vectorization method. Results. The article examines the peculiarities of creation (updating) digital topographic maps of the scale 1:50000 for the formation of the Main State Topographic Map of Ukraine for the purpose of the creation and maintain the seamless topographic database for national needs, which is located on the Geoportal to ensure the relevance of a single digital topographic basis by topographical monitoring of the territories and for the development of the National Spatial Data Infrastructure in Ukraine. The rules of topological relations between features of the digital topographic maps of the scale 1:50 000 are also defined and given. The peculiarities of providing automated quality control of updated digital topographic maps are investigated. The creation of the seamless Topographic Database of the Main State Topographic Map in the conditions of transfer the cartographic paradigm to geoinformation creates new requirements for the creation (updating) of digital topographic maps of the scale 1:50 000/10 000: creation of spatial schemes, description of the internal design of models and rules of digital description of geospatial features, unification of the features catalog and their attributes, as well as rules of topology between topographic features to ensure topological consistency of geometry in accordance with standards and specifications; creation of the “Validate” software package for checking of created (updated) digital topographic maps at a scale of 1:50 000/10 000 to ensure automated quality control of updated digital topographic maps; creation of new virtual and associated features in the TDB of the Main State Topographic Map. This will increase the intellectual level of geospatial data creation. Scientific novelty and practical significance. The creation of the Main Topographic Map Topographic Database takes into account the use of new virtual and associated features, the use of rules of topological relations between digital topographic map features, providing automated quality control of updated digital topographic maps.

Spatial Data Quality Control for the Coral Triangle Atlas

2014 ◽  
Vol 42 (2) ◽  
pp. 128-142 ◽  
Author(s):  
Annick Cros ◽  
Ruben Venegas-Li ◽  
Shwu Jiau Teoh ◽  
Nate Peterson ◽  
Wen Wen ◽  
...  
Keyword(s):  
Quality Control ◽  
Data Quality ◽  
Spatial Data ◽  
Coral Triangle ◽  
Data Quality Control ◽  
Spatial Data Quality

scholarly journals Automation of quality control of digital topographic maps at the scale 1:50 000 of the Main State Topographic Map in Ukraine

2021 ◽  
Vol 4 ◽  
pp. 1-7
Author(s):  
Nadiia Lazorenko-Hevel ◽  
Yurii Karpinskyi ◽  
Danylo Kin ◽  
Olexander Lets
Keyword(s):  
Quality Control ◽  
Spatial Data ◽  
High Speed ◽  
Topographic Maps ◽  
Quality Data ◽  
Topographic Map ◽  
Positional Accuracy ◽  
Data Infrastructure ◽  
Map Scale ◽  
Data Elements

Abstract. This research examines the problem of automation of quality control of digital topographic maps at the scale 1:50 000 of the Main State Topographic Map in Ukraine for the creation and maintaining the seamless topographic database for national needs, which is located on the Geoportal to ensure the development of the National Spatial Data Infrastructure (NSDI) in Ukraine. The authors determined stages of quality control of digital topographic maps at the scale of 1:50 000 for the automation one according to ISO 19157:2013 Geographic Information – Data quality. The realized automated quality control of geodatabases of updated digital topographic maps at a scale of 1:50 000 provides high speed and quality of validation: validation of quality data elements; validation of quality metadata; validation of positional accuracy. The software package “Validate” was developed for automation quality control geodatabases of digital topographic maps at the scale of 1:50 000 using the Python programming language to verify logical consistency, compliance with the rules of topological relationships between features on the map, availability and content of metadata. The “Validate” can be used for automation quality control geodatabase for any map scale, performing setting according to the requirements of the geospatial models.

scholarly journals QUALITY CONTROL FOR CROWDSOURCING LARGE SCALE TOPOGRAPHIC MAPS

2019 ◽  
Vol XLII-2/W13 ◽  
pp. 1201-1205
Author(s):  
I. Bekker ◽  
Y. Felus
Keyword(s):  
Quality Control ◽  
Spatial Data ◽  
Large Scale ◽  
National Standard ◽  
National Database ◽  
Small Scale ◽  
Automatic Process ◽  
Engineering Data ◽  
Innovative Tool ◽  
National Databases

<p><strong>Abstract.</strong> Crowdsourcing is an emerging methodology for spatial data collection. This methodology has been used extensively to create small scale maps such as in OpenStreetMap. However, it has rarely been used in acquiring large scale, accurate engineering data. Expert-sourcing uses methods similar to crowdsourcing except that it collects information from experts and professionals. This article describes the development steps of novel expert-sourcing methodologies for updating the national geo-spatial database (cadastre and topography) in Israel. The input data for the process are building permit maps at a scale of 1&amp;thinsp;:&amp;thinsp;250 created by professionals. The first step in the process was the adaptation of a national standard for digital map contents, cartography and computer format. The second step was the development of the crowdsourcing system to get the maps from mapping professionals, assess them and verify that they meet the criteria. The two challenges in this step were to design an engaging User Experience (UX) that will not require training or a user manual and to develop automatic quality control tools. The third step was the creation of a data integration process to update the national database from the various sources. The system (aka TopoCad) provides a comprehensive set of tools to support the practice of obtaining information from all the surveyors and mapping experts in Israel. The system aggregates all the information of every mapping activity (geodesy, cadastre, construction permits, mapping and GIS) in a semi-automatic process. This novel platform improved governmental procedures and made services more efficient. In addition, this innovative tool improved the national databases by updating them with new data on an on-going basis.</p>

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