Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

speed improvement for high res grids in create_raster_polygons #29

Merged
merged 2 commits into from
Feb 15, 2022
Merged

speed improvement for high res grids in create_raster_polygons #29

Changes from all commits
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
32bc56b
reduce subset area for high res grids in create_raster_polygons
kerriegeil Feb 14, 2022
e9babc5
reduce subset area for high res grids in create_raster_polygons
kerriegeil Feb 14, 2022
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
4 changes: 3 additions & 1 deletion xagg/core.py
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -154,7 +154,9 @@ def create_raster_polygons(ds,
if type(subset_bbox) == gpd.geodataframe.GeoDataFrame:
# Using the biggest difference in lat/lon to make sure that the pixels are subset
# in a way that the bounding box is fully filled out
bbox_thresh = np.max([ds.lat.diff('lat').max(),ds.lon.diff('lon').max()])+0.1
# bbox_thresh = np.max([ds.lat.diff('lat').max(),ds.lon.diff('lon').max()])+0.1
grid_dist = np.max([ds.lat.diff('lat').max(),ds.lon.diff('lon').max()]) # first get the max grid size
bbox_thresh = grid_dist*2. # then set threshold to twice grid size, avoids huge subsets for high res grids
ds = ds.sel(lon=slice(subset_bbox.total_bounds[0]-bbox_thresh,subset_bbox.total_bounds[2]+bbox_thresh),
lat=slice(subset_bbox.total_bounds[1]-bbox_thresh,subset_bbox.total_bounds[3]+bbox_thresh))
else:
Expand Down