Image Turns Black at Certain Zoom Levels

pearcetm / GeoTIFFTileSource

Implementation of a TileSource for OpenSeadragon based on GeoTIFF.js, enabling local and remote TIFF files to be viewed without using an image server

MIT License

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Image Turns Black at Certain Zoom Levels #20

Open wlhakeem opened 2 months ago

wlhakeem commented 2 months ago

I am encountering an issue when using the package. At certain zoom levels, the displayed image turns completely black. As attached is the error image im using at the demo site

Here is the image that i used https://drive.google.com/file/d/1ExKrGs96-TrFhviOl5aZpBdzi1kdww1I/view?usp=sharing

pearcetm commented 2 months ago

Looks like for some reason, geotiff.js is returning null data for one of the levels (level 1 if I remember right - I was playing with this a while ago at this point and my memory may be off). I haven't had time to look into why but I feel like this would be a good place to start digging into it.