In QGIS 3.16.2, I have a binary raster layer in which I would like to decrease map resolution without losing any value = 1 pixels (white in the example).
I have tried exporting and changing the pixel size manually, but the layer will lose the value = 1 data. I have also tried progressively reducing the map resolution to keep the value = 1 data, but this also didn't work (see red areas in the attached image).
Is there another raster function that is able to do this? Maybe something from SAGA or GRASS? I have looked at
r.resample and fuzzify, but these seem to not fit what I am trying to achieve
The below image shows the original high-resolution layer, with the lower resolution layer as an overlay. The red areas show the value = 1 data lost in the process.
On the graphic below, the original image is shown with decreased map resolution overlay. Red areas indicate data losses in process.