GeoGig Tutorial Illustrations
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Illustrations used at LocationIntelligence conference as a visual for http://geogig.org/docs/start/tutorial.html tutorial.
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Ultrasound color Doppler imaging has been routinely used for the diagnosis of cardiovascular diseases, enabling real-time flow visualization through the Doppler effect. Yet, its inability to provide true flow velocity vectors due to its one-dimensional detection limits its efficacy. To overcome this limitation, various VFI schemes, including multi-angle beams, speckle tracking, and transverse oscillation, have been explored, with some already available commercially. However, many of these methods still rely on autocorrelation, which poses inherent issues such as underestimation, aliasing, and the need for large ensemble sizes. Conversely, speckle-tracking-based VFI enables lateral velocity estimation but suffers from significantly lower accuracy compared to axial velocity measurements.
To address these challenges, we have presented a speckle-tracking-based VFI approach utilizing multi-angle ultrafast plane wave imaging. Our approach involves estimating axial velocity components projected onto individual steered plane waves, which are then combined to derive the velocity vector. Additionally, we've introduced a VFI visualization technique with high spatial and temporal resolutions capable of tracking flow particle trajectories.
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GeoGig Tutorial Illustrations
- 2. Setup and Tutorial uDig Introduction 2
- 3. Download 0.8 Click on Docs
- 4. uDig Introduction 4 User Manual
- 5. uDig Introduction 5 Installation GeoGit tutorial
- 8. import geogit shp import snapshot2/parks.shpparks parks
- 10. commit geogit commit -m "first version" parks “first version” parks parks master
- 11. edit uDig Introduction 11 parks “first version” parks Parks master
- 12. import uDig Introduction 12 parks “first version” parks Parks geogit shp import snapshot2/parks.shpparks master
- 13. add uDig Introduction 13 parks “first version” parks Parks geogit add master
- 14. commit uDig Introduction 14 parks “first modification” parks Parks geogit commit -m "first modification" parks “first version” master
- 15. Branching
- 16. create branch uDig Introduction 16 parks “first modification” parks geogit branch myedits -c parks “first version” myedits master
- 17. working on branch uDig Introduction 17 parks “first modification” parks “first version” myedits master parks “added a new feature”
- 18. merge uDig Introduction 18 parks “first modification” parks “first version” myedits master parks “added a new feature”
- 19. merge uDig Introduction 19 parks “first modification” parks “first version” parks “added a new feature” parks “fix branch edits”fix master parks “master edits
- 20. uDig Introduction 20 parks “first modification” parks “first version” parks “added a new feature” parks “fix branch edits”fix master parks “master edits parks “merge branch …
- 22. Q&A •Q: Conflict based on? Detected on primary key Compare by attribute •Q: How to show conflict? Export to shp, or see demo … •Q: Integration Command Line, Java, GeoTools, GeoServer HTTP, QGIS Plugin
- 23. Q&A •Q: SSH It is what git does, probably use SSL •Q:Workflow recommendations? Consider popular GIS Data Product workflows Consider popular git workflows (branch/merge) uDig Introduction 23