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integrating qgis into expressJs based web application for tiff images #28

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Rjaat opened this issue Feb 21, 2024 · 3 comments
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@Rjaat
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Rjaat commented Feb 21, 2024

I am working on an expressJS based web application which is primarily intended to object detection from tiff images. As of now, i am using openseadragon for loading the tiff images inside the application but it takes too much time. So i had a thought of using QGIS interface inside my application for loading the tiff images.
can anyone help with this?

@boardend
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boardend commented Mar 1, 2024

Hi @Rjaat
As for now, qgis-js faces an architectural issue which prevents loading a project with remote/COG tiff images (tracked in #4). This means that for the moment you would have to fetch the entire image and upload it to the qgis-js runtime in order to render it. This works fine, for example in the village project, but is probably not feasible for a large tiff image.
Note that if you can export it as a COG, you could also use OpenLayers directly (see https://openlayers.org/en/latest/examples/cog.html)

@boardend boardend added the question Further information is requested label Mar 19, 2024
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@Rjaat can this be closed?

@boardend
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Closed because of missing feedback

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