-
Notifications
You must be signed in to change notification settings - Fork 10
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
use factory from titiler.xarray (#72)
import factory and reader from newly released titiler.xarray package
- Loading branch information
Showing
63 changed files
with
536 additions
and
1,104 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,3 @@ | ||
| """titiler.multidim""" | ||
|
|
||
| __version__ = "0.3.0" |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,181 @@ | ||
| """TiTiler.xarray factory.""" | ||
|
|
||
| from typing import List, Literal, Optional, Type | ||
| from urllib.parse import urlencode | ||
|
|
||
| import jinja2 | ||
| import numpy as np | ||
| from attrs import define | ||
| from fastapi import Depends, Query | ||
| from starlette.requests import Request | ||
| from starlette.responses import HTMLResponse | ||
| from starlette.templating import Jinja2Templates | ||
| from typing_extensions import Annotated | ||
|
|
||
| from titiler.core.dependencies import ColorFormulaParams, DefaultDependency | ||
| from titiler.core.resources.enums import ImageType | ||
| from titiler.core.resources.responses import JSONResponse | ||
| from titiler.multidim.reader import XarrayReader | ||
| from titiler.xarray.dependencies import DatasetParams, XarrayIOParams, XarrayParams | ||
| from titiler.xarray.factory import TilerFactory as BaseTilerFactory | ||
|
|
||
|
|
||
| @define(kw_only=True) | ||
| class XarrayTilerFactory(BaseTilerFactory): | ||
| """Xarray Tiler Factory.""" | ||
|
|
||
| reader: Type[XarrayReader] = XarrayReader | ||
| reader_dependency: Type[DefaultDependency] = XarrayParams | ||
| dataset_dependency: Type[DefaultDependency] = DatasetParams | ||
|
|
||
| def register_routes(self) -> None: # noqa: C901 | ||
| """Register Info / Tiles / TileJSON endoints.""" | ||
| super().register_routes() | ||
| self.variables() | ||
|
|
||
| def variables(self) -> None: | ||
| """Register /variables endpoint""" | ||
|
|
||
| @self.router.get( | ||
| "/variables", | ||
| response_class=JSONResponse, | ||
| responses={200: {"description": "Return dataset's Variables."}}, | ||
| ) | ||
| def get_variables( | ||
| src_path=Depends(self.path_dependency), | ||
| io_params=Depends(XarrayIOParams), | ||
| ) -> List[str]: | ||
| """return available variables.""" | ||
| return self.reader.list_variables( | ||
| src_path=src_path, | ||
| group=io_params.group, | ||
| decode_times=io_params.decode_times, | ||
| ) | ||
|
|
||
| def statistics(self) -> None: | ||
| """Register /statistics and /histogram endpoints""" | ||
| super().statistics() | ||
|
|
||
| @self.router.get( | ||
| "/histogram", | ||
| response_class=JSONResponse, | ||
| responses={200: {"description": "Return histogram for this data variable"}}, | ||
| response_model_exclude_none=True, | ||
| ) | ||
| def histogram( | ||
| src_path=Depends(self.path_dependency), | ||
| reader_params=Depends(self.reader_dependency), | ||
| ): | ||
| with self.reader( | ||
| src_path=src_path, | ||
| variable=reader_params.variable, | ||
| group=reader_params.group, | ||
| decode_times=reader_params.decode_times, | ||
| datetime=reader_params.datetime, | ||
| ) as src_dst: | ||
| boolean_mask = ~np.isnan(src_dst.input) | ||
| data_values = src_dst.input.values[boolean_mask] | ||
| counts, values = np.histogram(data_values, bins=10) | ||
| counts, values = counts.tolist(), values.tolist() | ||
| buckets = list( | ||
| zip(values, [values[i + 1] for i in range(len(values) - 1)]) | ||
| ) | ||
| hist_dict = [] | ||
| for idx, bucket in enumerate(buckets): | ||
| hist_dict.append({"bucket": bucket, "value": counts[idx]}) | ||
| return hist_dict | ||
|
|
||
| def map_viewer(self) -> None: | ||
| """Register /map endpoints""" | ||
|
|
||
| @self.router.get("/{tileMatrixSetId}/map", response_class=HTMLResponse) | ||
| def map_viewer( | ||
| request: Request, | ||
| tileMatrixSetId: Annotated[ # type: ignore | ||
| Literal[tuple(self.supported_tms.list())], | ||
| "Identifier selecting one of the supported TileMatrixSetIds", | ||
| ], | ||
| url: Annotated[Optional[str], Query(description="Dataset URL")] = None, | ||
| variable: Annotated[ | ||
| Optional[str], | ||
| Query(description="Xarray Variable"), | ||
| ] = None, | ||
| group: Annotated[ | ||
| Optional[int], | ||
| Query( | ||
| description="Select a specific zarr group from a zarr hierarchy, can be for pyramids or datasets. Can be used to open a dataset in HDF5 files." | ||
| ), | ||
| ] = None, | ||
| decode_times: Annotated[ | ||
| bool, | ||
| Query( | ||
| title="decode_times", | ||
| description="Whether to decode times", | ||
| ), | ||
| ] = True, | ||
| drop_dim: Annotated[ | ||
| Optional[str], | ||
| Query(description="Dimension to drop"), | ||
| ] = None, | ||
| datetime: Annotated[ | ||
| Optional[str], Query(description="Slice of time to read (if available)") | ||
| ] = None, | ||
| tile_format: Annotated[ | ||
| Optional[ImageType], | ||
| Query( | ||
| description="Default will be automatically defined if the output image needs a mask (png) or not (jpeg).", | ||
| ), | ||
| ] = None, | ||
| tile_scale: Annotated[ | ||
| int, | ||
| Query( | ||
| gt=0, lt=4, description="Tile size scale. 1=256x256, 2=512x512..." | ||
| ), | ||
| ] = 1, | ||
| minzoom: Annotated[ | ||
| Optional[int], | ||
| Query(description="Overwrite default minzoom."), | ||
| ] = None, | ||
| maxzoom: Annotated[ | ||
| Optional[int], | ||
| Query(description="Overwrite default maxzoom."), | ||
| ] = None, | ||
| post_process=Depends(self.process_dependency), | ||
| rescale=Depends(self.rescale_dependency), | ||
| color_formula=Depends(ColorFormulaParams), | ||
| colormap=Depends(self.colormap_dependency), | ||
| render_params=Depends(self.render_dependency), | ||
| dataset_params=Depends(self.dataset_dependency), | ||
| ): | ||
| """Return map Viewer.""" | ||
| jinja2_env = jinja2.Environment( | ||
| loader=jinja2.ChoiceLoader([jinja2.PackageLoader(__package__, ".")]) | ||
| ) | ||
| templates = Jinja2Templates(env=jinja2_env) | ||
|
|
||
| if url: | ||
| tilejson_url = self.url_for( | ||
| request, "tilejson", tileMatrixSetId=tileMatrixSetId | ||
| ) | ||
| if request.query_params._list: | ||
| tilejson_url += f"?{urlencode(request.query_params._list)}" | ||
|
|
||
| tms = self.supported_tms.get(tileMatrixSetId) | ||
| return templates.TemplateResponse( | ||
| name="map.html", | ||
| context={ | ||
| "request": request, | ||
| "tilejson_endpoint": tilejson_url, | ||
| "tms": tms, | ||
| "resolutions": [matrix.cellSize for matrix in tms], | ||
| }, | ||
| media_type="text/html", | ||
| ) | ||
| else: | ||
| return templates.TemplateResponse( | ||
| name="map-form.html", | ||
| context={ | ||
| "request": request, | ||
| }, | ||
| media_type="text/html", | ||
| ) |
Oops, something went wrong.