4. Introduction – Webmap Clients Urban Clients City of Wetaskiwin Town of Barrhead *Town of Beaverlodge *Town of Edson *Town of Fox Creek Town of High Level Town of Peace River Town of Redwater *Town of Sexsmith Town of Stettler *Town of Two Hills *Town of Wembley *Town of Valleyview *Village of Derwent *Village of Myrnam *Village of Willingdon * Regional Sites Rural Clients Brazeau County County of Athabasca Camrose County *County of Grande Prairie No. 1 County of Minburn County of St. Paul County of Stettler *County of Two Hills No. 21 County of Wetaskiwin Kneehill County Lamont County *Municipal District of Greenview No. 16 Municipal District of Opportunity No. 17 Rural Municipality of Wood Buffalo Smoky Lake County Westlock County Wheatland County Woodlands County *Yellowhead County
6. Video Logging Video logging: a method of displaying video data within a GIS Video is captured using a vehicle equipped with digital video cameras, precision GPS and on-board computers
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9. Video Logging – Out of the oven... 4,800,000 images 1,600,000 linear referenced events Linear reference values/keys Direction of travel Image name Image path Batch files to create necessary directories Batch files to rename and move image files
10. Video Logging – Challenge 1 Attaching points to the correct road
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12. Video Logging – Challenge 2 More than one pass on the same road Blue and black points are going the same direction
13. Video Logging – Solution 2 Use StatisticsCalculator to determine for each video clip/road combination: Smallest linear reference value Largest linear reference value Total number of points
14. Video Logging – Solution 2 (Cont’d) Use ExpressionEvaluator to determine the coverage that each clip has per road
15. Video Logging – Solution 2 (Cont’d) Use a series of 3 Testers to validate which records should be included in the final dataset: Test 1: If the point is part of the only video clip on that road and it covers more than 10% of the road If it passes, include it If it fails, forward it on to Test 2
16. Video Logging – Solution 2 (Cont’d) Test 2 If the point is part of a clip that covers more than 25% of the road and the total coverage on the road is less than 110% This would handle scenarios where more than one clip is needed to cover a road If it passes, include it If it fails, forward it on to Test 3
17. Video Logging – Solution 2 (Cont’d) Test 3 If the point is part of a clip that covers more than 75% of the road If it reaches this test, then it is likely a road that has more than one pass To determine which of the passes gets included we include additional variables Largest amount of coverage Most images Most recent date If it fails, forward it on to the Unused feature
19. Video Logging – Challenge 3 Around 5,000,000 images (about 1.4 TB) requires intelligent file management Developed a file structure that takes into account: Year of image Road name Alberta Township Survey township identifier Which camera (front, side, rear)
20. Video Logging – Solution 3 Points that are to be included in the final dataset are also forwarded to the Create Batch File process Using a series of Testers, Concatenators and StringReplacers the Create Batch File: Create batch files that make the necessary directory structure Creates batch files that move and rename the image files Pushes the new image name and path back into the final dataset
24. Video Logging – Benefits Predictable result Reproducible result 36 person hours to create translation 1 person hour to run and validate 170 steps completed with 1 mouse click
25. ERCB Data ERCB – Energy Resources Conservation Board Maintains Oil & Gas data for Alberta Wells Pipelines Facilities
26. ERCB Data – Ingredients… 2 shape files 9 text files Cryptic field names Uses a lot of codes and abbreviations Eg: Pipeline material type = “G”
27. ERCB Data – Out of the Oven… 4 feature classes Meaningful field names User-friendly data structure Replace codes and abbreviations with “English” descriptions Eg: Pipeline material type = “Composite”
28. ERCB Data Transformers used (118 in total): Joiner StringConcatenator SubstringExtractor FeatureMerger AttributeValueMapper PointConnector AttributeRenamer Tester
