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Add debug fields to DEA Intertidal to investigate x and y coordinates#1416

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erialC-P merged 1 commit intomasterfrom
deaintertidal_graphs_bugfixing
Mar 26, 2026
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Add debug fields to DEA Intertidal to investigate x and y coordinates#1416
erialC-P merged 1 commit intomasterfrom
deaintertidal_graphs_bugfixing

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@robbibt robbibt commented Mar 26, 2026

Adding some additional temporary debug fields to the DEA Intertidal feature info data to try and bugfix a confusing issue where radically different GridSpec tiles are returned for coordinates that are right next to each other.

E.g. x094/y093 here:
image

https://ows.dev.dea.ga.gov.au/wms?exceptions=XML&version=1.3.0&feature_count=101&time=2023-01-01&styles=intertidal_elevation_adaptive&service=WMS&request=GetFeatureInfo&layers=ga_s2ls_intertidal_cyear_3&bbox=12999798.274516497%2C-4166735.285881527%2C13000409.770742778%2C-4166123.789655246&width=512&height=512&crs=EPSG%3A3857&query_layers=ga_s2ls_intertidal_cyear_3&info_format=application%2Fjson&i=310&j=19

{..., "tide_graph_path": "https://dea-public-data.s3-ap-southeast-2.amazonaws.com/derivative/ga_s2ls_intertidal_cyear_3/2-0-0/x094/y093/2023--P1Y/ga_s2ls_intertidal_cyear_3_x094y093_2023--P1Y_final_tide_graph.png", ...}

vs. x-213y-168 here:
image

https://ows.dev.dea.ga.gov.au/wms?exceptions=XML&version=1.3.0&feature_count=101&time=2023-01-01&styles=intertidal_elevation_adaptive&service=WMS&request=GetFeatureInfo&layers=ga_s2ls_intertidal_cyear_3&bbox=13000409.770742778%2C-4166735.285881527%2C13001021.266969059%2C-4166123.789655246&width=512&height=512&crs=EPSG%3A3857&query_layers=ga_s2ls_intertidal_cyear_3&info_format=application%2Fjson&i=151&j=121

{..., "tide_graph_path": "https://dea-public-data.s3-ap-southeast-2.amazonaws.com/derivative/ga_s2ls_intertidal_cyear_3/2-0-0/x-213/y-168/2023--P1Y/ga_s2ls_intertidal_cyear_3_x-213y-168_2023--P1Y_final_tide_graph.png", ...}

This seems to occur on either side of the EPSG:3857 x=13000000 boundary, but I am still verifying this.

@robbibt robbibt changed the title Bug fixing DEA Intertidal tidal graphs Add debug fields to DEA Intertidal to investigate x and y coordinates Mar 26, 2026
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What a weird bug! Hopefully these temp debug fields will help get it sorted. Good luck

@erialC-P erialC-P merged commit d8227d4 into master Mar 26, 2026
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@erialC-P erialC-P deleted the deaintertidal_graphs_bugfixing branch March 26, 2026 22:20
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2 participants