considerations: –unzip data –data in digimap – what data formats? –data conversion...
TRANSCRIPT
![Page 1: Considerations: –Unzip data –Data in Digimap – what data formats? –Data conversion –Applying a style to the data Desktop sharing – Working with OS MasterMap](https://reader035.vdocuments.site/reader035/viewer/2022062516/56649dc65503460f94abb354/html5/thumbnails/1.jpg)
• Considerations:– Unzip data– Data in Digimap – what data formats?– Data conversion– Applying a style to the data
• Desktop sharing – Working with OS MasterMap data
• OpenStream• Resources• Q&A
Using data from Digimap in ArcGIS
![Page 2: Considerations: –Unzip data –Data in Digimap – what data formats? –Data conversion –Applying a style to the data Desktop sharing – Working with OS MasterMap](https://reader035.vdocuments.site/reader035/viewer/2022062516/56649dc65503460f94abb354/html5/thumbnails/2.jpg)
Considerations
1. Download data from Digimap (zip file)
2. Process the data
3. Import data to
software
4. Analyse data / Create
map
•e.g. ArcGIS,
MapInfo,
CAD,
OpenSource
software•Your data
will NOT look
as it does in
Digimap
I. Unzip the
data file
II. Convert the
data to a
format
compatible
with your
software - if
necessary
![Page 3: Considerations: –Unzip data –Data in Digimap – what data formats? –Data conversion –Applying a style to the data Desktop sharing – Working with OS MasterMap](https://reader035.vdocuments.site/reader035/viewer/2022062516/56649dc65503460f94abb354/html5/thumbnails/3.jpg)
• Considerations:– Unzip data– Data in Digimap – what data formats?– Data conversion– Applying a style to the data
• Desktop sharing – Working with OS MasterMap data
• OpenStream• Resources• Q&A
Using data from Digimap in ArcGIS
![Page 4: Considerations: –Unzip data –Data in Digimap – what data formats? –Data conversion –Applying a style to the data Desktop sharing – Working with OS MasterMap](https://reader035.vdocuments.site/reader035/viewer/2022062516/56649dc65503460f94abb354/html5/thumbnails/4.jpg)
Unzipping standard Digimap data.zip files
Use the standard Windows unzip facility:
1. Data.zip 2. Unzip data.zip:
Contents.txt,Conditions.txt,
Data files
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Unzipping Digimap GML data files
2. Unzip data.zip with a standard Windows unzip
utility:
• Contents.txt• Conditions.txt• GZip file
1. Data.zip
3. Unzip GZip file with a
suitable tool:
GML data file
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GZip files
• Windows standard unzip will not work with GZip files – try:– Gzip, 7Zip, WinZip
• NOTE: May not be necessary to unzip the GZip file, depending on conversion requirements.
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• Considerations:– Unzip data– Data in Digimap – what data formats?– Data conversion– Applying a style to the data
• Desktop sharing – Working with OS MasterMap data
• OpenStream• Resources• Q&A
Using data from Digimap in ArcGIS
![Page 8: Considerations: –Unzip data –Data in Digimap – what data formats? –Data conversion –Applying a style to the data Desktop sharing – Working with OS MasterMap](https://reader035.vdocuments.site/reader035/viewer/2022062516/56649dc65503460f94abb354/html5/thumbnails/8.jpg)
Data in Digimap – 2 types
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Data in Digimap - what formats?
TIFF, SHP, NTF, GML, MIF/MID, DXF, CSV,
ASC
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Data in Digimap - what formats?
GMLTIFF, SHP, NTF, GML, MIF/MID, DXF, CSV,
ASC
Digimap’s Ordnance Survey Collection
data download facilities
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Data in Digimap - what formats?
GML
SHP, NTF, CSV,
MIF/MID
TIFF, SHP, NTF, GML, MIF/MID, DXF, CSV,
ASC
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Data in Digimap - what formats?
GML
SHP, NTF, CSV,
MIF/MID
TIFF, SHP, NTF, GML, MIF/MID, DXF, CSV,
ASC
CSV, XML, TABCSV, XML,
TAB
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Data in Digimap – what formats?
• Not every product is available in every format:– for example, raster data products are only available in
TIFF format
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Data in Digimap – what formats?
• Some products are available in more than one format, e.g. Strategi is available in NTF, DXF, SHP and MID/MIF:
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Data in Digimap - what formats?
Historic DownloadTIFF
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Data in Digimap - what formats?
Geology Digimap Download
SHP, MIF/MID
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Data in Digimap – what formats?
Marine Digimap download facilities
SHP, TAB, ASCII TIFF
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What are all these different formats?
NTF (National Transfer Format)NTF is a format designed specifically for the transfer of spatial information. NTF originally stood for National Transfer Format, and was a de facto standard created in 1985 by a working group within the geographic industry. In 1992, it was revised to Version 2.0 and adopted as a de jure standard. It is now officially called BS 7567 "Electronic transfer of geographic information (NTF)".
GML (Geography Mark-up Language)GML is an international standard for storing and transporting geographical information developed by the OpenGIS Consortium (OGC). This is an open standard, based on XML, compatible with a host of web-based technologies and encourages interoperability.
TIFFA common public domain image file format that is supported by many graphic applications. TIF files can also represent raster and image datasets that can be imported into ArcGIS, MapInfo and several other geographical information systems.
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DXFAutoCAD DXF (Drawing Interchange Format, or Drawing Exchange Format) is a CAD data file format developed by Autodesk for enabling data interoperability between AutoCAD and other programs.
SHP (ArcView Shapefile) A geographic data format created by ESRI (ArcGIS is an ESRI product), which consists of three different files: SHP, SHX, DBF.
MIF/MID (MapInfo export format) The MapInfo® MIF/MID format is an ASCII format, using two files. The MapInfo® MIF file contains the layer structure, map projection and the graphics. The corresponding MapInfo® MID file contains the attribute values in a comma separated format.
TAB (MapInfo TAB format)The MapInfo TAB format is a popular geospatial vector data format for geographic information systems software. It is developed and regulated by MapInfo as a proprietary format.
What are all these different formats?
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What are all these different formats?
• For more details on formats, see the EDINA guide ‘OS Collection data formats and conversion guidance’:– http://edina.ac.uk/digimap/support/training/
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TIFF format
• Digimap raster data are supplied as TIFF files - most GIS or CAD software will accept TIFF image files, with no need for conversion.
• TFW files also supplied – TIFF World files - contain the location, scale, and rotation of a map that is stored as a TIFF image.
• Remember to keep the supplied TIFF files and the TFW files in the same folder! Otherwise your GIS software cannot locate the TIFF geographically.
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Shape files (SHP)
• Shape files do not require any conversion prior to use in ArcGIS.
• Remember to keep all constituent parts together - SHP, DBF, SHX:
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• Considerations:– Unzip data– Data in Digimap – what data formats?– Data conversion– Applying a style to the data
• Desktop sharing – Working with OS MasterMap data
• OpenStream• Resources• Q&A
Using data from Digimap in ArcGIS
![Page 24: Considerations: –Unzip data –Data in Digimap – what data formats? –Data conversion –Applying a style to the data Desktop sharing – Working with OS MasterMap](https://reader035.vdocuments.site/reader035/viewer/2022062516/56649dc65503460f94abb354/html5/thumbnails/24.jpg)
Converting data from Digimap for use in ArcGIS
• Some data formats are incompatible with ArcGIS software:– NTF: OS Land-Form Profile, OS Meridian 2, OS
Strategi, OS Land-Form Panorama, OS Code-Point, OS Boundary Line
– GML: OS MasterMap, OS VectorMap Local– DXF: OS Land-Form Profile, OS Meridian 2, OS
Strategi, Os Land-Form Panorama, GB National Boundaries, GB National Grids
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NTF data
• 1 recommendation - convert to ESRI Personal Geodatabase format (.MDB suffix), using Productivity Suite or Map Manager (ESRI tools).
Original file from Digimap
Converted file for use in ArcGIS
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Productivity Suite, NTF Convertor
• Available through Eduserv CHEST:– ESRI Productivity Suite (ArcGIS V9.2 or later) – Map Manager (ArcGIS V9.1 or earlier)
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NTF Convertor
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GML data
2 data products are in GML format:
1. OS MasterMap data - 2 recommendations (Productivity Suite/Map Manager and InterpOse)
2. OS VectorMap Local data – 1 recommendation (Rolta)
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OS MasterMap
Conversion tools:1. Productivity Suite
(ArcGIS V9.2 or later) or Map Manager (ArcGIS V9.1 or earlier)
2. InterpOse
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Productivity Suite, OS MasterMap Data Convertor
• Available through Eduserv CHEST:– ESRI Productivity Suite (ArcGIS V9.2 or later) – Map Manager (ArcGIS V9.1 or earlier)
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OS MasterMap Convertor
•Converts OS MasterMap data to ESRI Personal Geodatabase format •Accepts GZip files for conversion
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OS MasterMap Convertor output
• Conversion process creates an ESRI Personal Geodatabase, with suffix .MDB
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InterpOse Digimap edition
http://www.dottedeyes.co.uk/spatial_data_loading/interpose/digimap.php
• Free download, which converts MasterMap GML data to SHP file format
• InterpOse accepts GZip files for conversion
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InterpOse Digimap Edition
• InterpOse accepts GZip files for conversion – point the convertor to the contents order.txt file received with your MasterMap download file
• Converts to various formats
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InterpOse output
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OS VectorMap Local
• Free download:
http://www.rolta-europe.com/osvector.html• Converts OS VectorMap Local to Shape file format
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Rolta Convertor
• Accepts GZip files – can add a folder of GZip files
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Rolta convertor output
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• Considerations:– Unzip data– Data in Digimap – what data formats?– Data conversion– Applying a style to the data
• Desktop sharing – Working with OS MasterMap data
• OpenStream• Resources• Q&A
Using data from Digimap in ArcGIS
![Page 40: Considerations: –Unzip data –Data in Digimap – what data formats? –Data conversion –Applying a style to the data Desktop sharing – Working with OS MasterMap](https://reader035.vdocuments.site/reader035/viewer/2022062516/56649dc65503460f94abb354/html5/thumbnails/40.jpg)
Appearance of vector data
• Vector data (e.g. OS MasterMap, OS VectorMap Local) will not have the same appearance as it does in Digimap, when initially added to ArcGIS
MasterMap data viewed in ArcGIS
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Appearance of vector data
•Possible to apply style (or symbology) files to the data, to replicate the Digimap style
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Symbology, or style, files
• InterpOse – provide style files for use with ArcGIS and MapInfo, which can be installed to your computer on setup of InterpOse
• Rolta - provide style files with the installation• Productivity Suite, Map Manager – no style files
supplied. However, EDINA supply style files for several data products.
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EDINA Symbology, or style, files
• OS data:– MasterMap, Strategi, Land-form Panorama, Meridian,
Land-Line – in Help under Using data with ArcGIS 9.x
• Geology Digimap – bundled with data download file. 1 avl file for each Shape file.
• Marine Digimap – download Fonts files and Style file from Marine Digimap Help pages and copy into relevant folders in C:/Program Files.
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• Considerations:– Unzip data– Data in Digimap – what data formats?– Data conversion– Applying a style to the data
• Desktop sharing – Working with OS MasterMap data
• OpenStream• Resources• Q&A
Using data from Digimap in ArcGIS
![Page 45: Considerations: –Unzip data –Data in Digimap – what data formats? –Data conversion –Applying a style to the data Desktop sharing – Working with OS MasterMap](https://reader035.vdocuments.site/reader035/viewer/2022062516/56649dc65503460f94abb354/html5/thumbnails/45.jpg)
• Considerations:– Unzip data– Data in Digimap – what data formats?– Data conversion– Applying a style to the data
• Desktop sharing – Working with OS MasterMap data
• OpenStream• Resources• Q&A
Using data from Digimap in ArcGIS
![Page 46: Considerations: –Unzip data –Data in Digimap – what data formats? –Data conversion –Applying a style to the data Desktop sharing – Working with OS MasterMap](https://reader035.vdocuments.site/reader035/viewer/2022062516/56649dc65503460f94abb354/html5/thumbnails/46.jpg)
Digimap OpenStream
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Digimap OpenStream
• New service, launched October 2010• Anyone with a .ac.uk email address can register and use
the service• Allows users to stream certain OS data sets directly to
their software without downloading and storing large quantities of data
• Digimap OpenStream provides access to the following OS OpenData products:– MiniScale® – 1:250,000 Scale Colour Raster– OS Vector Map™ District (Raster)– OS Street View®
• http://openstream.edina.ac.uk/terms
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Digimap OpenStream
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Digimap OpenStream API key
• Add my API key to the OpenStream URL:
http://openstream.edina.ac.uk/openstream/wms?token=[your_aipkey]
• Setup this URL in my GIS > allows me to stream OS data
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• Considerations:– Unzip data– Data in Digimap – what data formats?– Data conversion– Applying a style to the data
• Desktop sharing – Working with OS MasterMap data
• OpenStream• Resources• Q&A
Using data from Digimap in ArcGIS
![Page 51: Considerations: –Unzip data –Data in Digimap – what data formats? –Data conversion –Applying a style to the data Desktop sharing – Working with OS MasterMap](https://reader035.vdocuments.site/reader035/viewer/2022062516/56649dc65503460f94abb354/html5/thumbnails/51.jpg)
Digimap Help pages
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Digimap Training Materials
EDINA Training guides:
http://edina.ac.uk/digimap/support/training/
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Ordnance Survey website
• General product information:http://www.ordnancesurvey.co.uk/oswebsite/products/
• Guidance on software for use with OS MasterMap:http://www.ordnancesurvey.co.uk/oswebsite/products/osmastermap/information/technical/software.html
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