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Release Notes

0.1.0a8 (2020-10-13)

  • update for rio-tiler 2.0.0b17, which now support TMS (morecantile) by default.
  • update fastapi minimum version to 0.61

breaking changes

  • removed TMSTilerFactory (because default reader built with rio_tiler BaseReader should support TMS).

Note: We changed the versioning scheme to {major}.{minor}.{path}{pre}{prenum}

0.1.0-alpha.7 (2020-10-13)

0.1.0-alpha.6 (2020-10-05)

  • refactor CacheControl Middleware
  • rename headers value X-Server-Timings to Server-Timing.
  • add total;dur={} in response header Server-Timing, using new titiler.middleware.TotalTimeMiddleware middleware (113)
from titiler.middleware import CacheControlMiddleware, TotalTimeMiddleware
from fastapi import FastAPI

app.add_middleware(CacheControlMiddleware, cachecontrol="public, max-age=3600")
app.add_middleware(TotalTimeMiddleware)
  • Add Brotli compression support (#126, author @kylebarron)
  • Numerous fix to CDK app.py (co-author @kylebarron)

0.1.0-alpha.5 (2020-09-22)

  • exclude tests/ an stack/ in titiler python package.
  • add EPSG6933 in TMS

breaking changes

  • [FACTORY] the additional_dependency should be a Callable which return a dict.

    @dataclass  # type: ignore
class BaseFactory(metaclass=abc.ABCMeta):
    """BaseTiler Factory."""
    ...
    # provide custom dependency
    additional_dependency: Callable[..., Dict] = field(default=lambda: dict())
    def AssetsParams(
    assets: Optional[str] = Query(
        None,
        title="Asset indexes",
        description="comma (',') delimited asset names (might not be an available options of some readers)",
    )
) -> Dict:
    """Assets Dependency."""
    kwargs = {}
    if assets:
        kwargs["assets"] = assets.split(",")
    return kwargs

  • [FACTORY] remove _ prefix in factory methods (e.g _tile -> tile)

  • [FACTORY] refactor dependencies to better align with rio_tiler.io.BaseReader method definition.

    Example:

    In the metadata, the MetadataParams will be used to pass pmin and pmax because they are the only required parameters for the metadata method. All other params will be passed to a kwargs dict.

    @dataclass
class MetadataParams(DefaultDependency):
    """Common Metadada parameters."""
    # Required params
    pmin: float = Query(2.0, description="Minimum percentile")
    pmax: float = Query(98.0, description="Maximum percentile")
    # Optional parameters
    bidx: Optional[str] = Query(
        None, title="Band indexes", description="comma (',') delimited band indexes",
    )
    ...
    def __post_init__(self):
        """Post Init."""

        if self.bidx is not None:
            self.kwargs["indexes"] = tuple(
                int(s) for s in re.findall(r"\d+", self.bidx)
            )
    ...

# metadata method in factory
def metadata(
    src_path=Depends(self.path_dependency),
    metadata_params=Depends(self.metadata_dependency),
    kwargs: Dict = Depends(self.additional_dependency),
):
    """Return metadata."""
    reader = src_path.reader or self.reader
    with reader(src_path.url, **self.reader_options) as src_dst:
        info = src_dst.metadata(
            metadata_params.pmin,
            metadata_params.pmax,
            **metadata_params.kwargs,
            **kwargs,
        )
    return info

  • [FACTORY] refactor dependencies definition

    @dataclass  # type: ignore
class BaseFactory(metaclass=abc.ABCMeta):
    """BaseTiler Factory."""

    reader: default_readers_type = field(default=COGReader)
    reader_options: Dict = field(default_factory=dict)

    # FastAPI router
    router: APIRouter = field(default_factory=APIRouter)

    # Path Dependency
    path_dependency: Type[PathParams] = field(default=PathParams)

    # Rasterio Dataset Options (nodata, unscale, resampling)
    dataset_dependency: default_deps_type = field(default=DatasetParams)

    # Indexes/Expression Dependencies
    layer_dependency: default_deps_type = field(default=BidxExprParams)

    # Image rendering Dependencies
    render_dependency: default_deps_type = field(default=RenderParams)

    # TileMatrixSet dependency
    tms_dependency: Callable[..., TileMatrixSet] = WebMercatorTMSParams

    # provide custom dependency
    additional_dependency: Callable[..., Dict] = field(default=lambda: dict())

  • remove PathParams.reader attribute. This option was not used and would have been technically difficult to use.

    @dataclass
class PathParams:
    """Create dataset path from args"""

    url: str = Query(..., description="Dataset URL")

0.1.0-alpha.4 (2020-09-14)

  • Update .npy output format to follow the numpyTile format (#103)

    import numpy
import requests
from io import BytesIO

endpoint = ...
url = "https://opendata.digitalglobe.com/events/mauritius-oil-spill/post-event/2020-08-12/105001001F1B5B00/105001001F1B5B00.tif"

r = requests.get(f"{endpoint}/cog/tiles/14/10818/9146.npy",
    params = {
        "url": url,
    }
)
data = numpy.load(BytesIO(r.content))
print(data.shape)
> (4, 256, 256)

  • Add titiler.custom.routing.apiroute_factory. This function enable the creation of custom fastapi.routing.APIRoute class with rasterio.Env() block.

    from fastapi import FastAPI, APIRouter
from rasterio._env import get_gdal_config
from titiler.custom.routing import apiroute_factory

app = FastAPI()
route_class = apiroute_factory({"GDAL_DISABLE_READDIR_ON_OPEN": "FALSE"})
router = APIRouter(route_class=route_class)

@router.get("/simple")
def simple():
    """should return FALSE."""
    res = get_gdal_config("GDAL_DISABLE_READDIR_ON_OPEN")
    return {"env": res}

app.include_router(router)

    Note: This has only be tested for python 3.6 and 3.7.

0.1.0-alpha.3 (2020-09-03)

  • add custom url_for method in TilerFactory to retrieve prefixed endpoint URL (#95)

  • remove magic titiler.dependencies.PathParams mosaicid path translation, where a user could pass url=mosaicid:// to the endpoint.

  • switch to pydantic.BaseSettings for FastAPI application setting management.

    List of Settings:

    name: str = "titiler"
cors_origins: str = "*"
cachecontrol: str = "public, max-age=3600"

API Settings can now be set by adding a .env file in your local project or by setting environment variables (e.g API_CORS_ORIGIN="https://mywebsite.com/*")

0.1.0-alpha.2 (2020-09-01)

  • add Transform and CRS information in /part GeoTIFF output
  • pin rio-tiler-crs to >=3.0b4,<3.1 and cogeo-mosaic to >=3.0a10,<3.1

0.1.0-alpha.1 (2020-09-01)

  • rename titiler.models.cog.py to titiler.models.dataset.py
  • remove cog* prefix to Bounds, Info and Metadata models
  • allow Union[str, int] for key in Metadata.statistics (as defined in rio-tiler-pds)

e.g Create a Landsat 8 Tiler

from titiler.endpoints.factory import TilerFactory, MosaicTilerFactory
from titiler.dependencies import BandsParams

from rio_tiler_pds.landsat.aws.landsat8 import L8Reader  # Not in TiTiler dependencies

from fastapi import FastAPI

app = FastAPI(title="Landsat Tiler", openapi_url="/api/v1/openapi.json")
scene = TilerFactory(
    reader=L8Reader, additional_dependency=BandsParams, router_prefix="scenes"
)
mosaic = MosaicTilerFactory(
    dataset_reader=L8Reader,
    additional_dependency=BandsParams,
    add_update=False,
    add_create=False,
    router_prefix="mosaic",
)
app.include_router(scene.router, prefix="/scenes", tags=["Scenes"])
app.include_router(mosaic.router, prefix="/mosaic", tags=["Mosaic"])

0.1a0 (2020-08-31)

First release on pypi

Tiler Factory

For this release we created new Tiler Factories class which handle creation of FastAPI routers for a given rio_tiler Readers.

from titiler.endpoints.factory import TilerFactory
from rio_tiler.io import COGReader, STACReader

from fastapi import FastAPI

app = FastAPI()

cog = TilerFactory()
app.include_router(cog.router, tags=["Cloud Optimized GeoTIFF"])

Readers / TileMatrixSets

The titiler.endpoints.factory.TilerFactory class will create a tiler with Web Mercator as uniq supported Tile Matrix Set.

For other TMS support, tiler needs to be created with titiler.endpoints.factory.TMSTilerFactory and with a TMS friendly reader (e.g rio_tiler_crs.COGReader).

Simple tiler with only Web Mercator support

from rio_tiler.io import COGReader

from titiler.endpoints import factory
from titiler.dependencies import WebMercatorTMSParams

app = factory.TilerFactory(reader=COGReader)
assert app.tms_dependency == WebMercatorTMSParams

Tiler with more TMS support (from morecantile)

from rio_tiler_crs import COGReader

from titiler.endpoints import factory
from titiler.dependencies import TMSParams

app = factory.TMSTilerFactory(reader=COGReader)
assert app.tms_dependency == TMSParams

Other changes

  • add mosaic support (#17 author @geospatial-jeff)
  • update to rio-tiler-crs>=3.0b* and rio-tiler>=2.0b*
  • Pin fastapi version to 0.60.1
  • Remove titiler.core in favor of starlette settings (#55, author @geospatial-jeff)
  • Add fastapi exception handlers (#56, author @geospatial-jeff)
  • Remove intermediary routers (#57, author @geospatial-jeff)
  • Remove /titiler/api submodule (e.g titiler.api.utils -> titiler.utils)
  • Add Cache-Control middleware. Endpoints do not define any cache-control headers. (part of #43, co-author with @geospatial-jeff)
  • Add 'X-Assets' in response headers for mosaic tiles (#51)
  • add cog validation via rio-cogeo (co-author with @geospatial-jeff, #37)

Breaking changes

  • default tiler to Web Mercator only
  • removed cache layer for tiles
  • updated html templates
template_dir = pkg_resources.resource_filename("titiler", "templates")
templates = Jinja2Templates(directory=template_dir)

cog_template = templates.TemplateResponse(
    name="cog_index.html",
    context={
        "request": request,
        "tilejson": request.url_for("cog_tilejson"),
        "metadata": request.url_for("cog_metadata"),
    },
    media_type="text/html",
)

stac_template = templates.TemplateResponse(
    name="stac_index.html",
    context={
        "request": request,
        "tilejson": request.url_for("stac_tilejson"),
        "metadata": request.url_for("stac_info"),
    },
    media_type="text/html",
)

Pre Pypi releases

2.1.2 (2020-06-24)

  • add width & height parameters in API docs to force output size for part/preview endpoints.
  • add resampling_method in API docs.

link: https://github.com/developmentseed/titiler/commit/725da5fa1bc56d8e192ae8ff0ad107493ca93378

2.1.1 (2020-06-22)

  • add minimum fastapi version (0.54.0) and update docker config

link: https://github.com/developmentseed/titiler/commit/95b98a32ffb3274d546dd52f99a3920091029b4c

2.1.0 (2020-06-11)

  • add /preview, /crop, /point endpoints

link: https://github.com/developmentseed/titiler/commit/8b63fc6b6141b9c9361c95d80897d77b5e2d47c3

2.0.0 (2020-06-09)

  • support STAC items (#16)
  • better API documentation via response models
  • update UI (/stac/viewer, /cog/viewer)
  • re-order OpenAPI route tags
  • update documentation

link: https://github.com/developmentseed/titiler/commit/fa2cb78906b0fd88506b89bace8174969be8cd4f

1.0.0 (2020-06-04)

Initial release

link: https://github.com/developmentseed/titiler/commit/f4fdc02ea0235470589eeb34a4da8e5aae74e696