jesspav commented on code in PR #311:
URL: https://github.com/apache/sedona-db/pull/311#discussion_r2539733901
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rust/sedona-raster-functions/src/rs_geotransform.rs:
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@@ -0,0 +1,317 @@
+// Licensed to the Apache Software Foundatio//pub fn rs_upperleftx_udf() ->
SedonaScapub fn rs_scalex_udf() pub fn rs_scaley_udf() -pub fn rs_skewx_udf()
->pub fn rs_skewy_udf() -> SedonaScalarUDF {
+// or more contributor license agreements. See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership. The ASF licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License. You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied. See the License for the
+// specific language governing permissions and limitations
+// under the License.
+use std::{sync::Arc, vec};
+
+use crate::executor::RasterExecutor;
+use arrow_array::builder::Float64Builder;
+use arrow_schema::DataType;
+use datafusion_common::error::Result;
+use datafusion_expr::{
+ scalar_doc_sections::DOC_SECTION_OTHER, ColumnarValue, Documentation,
Volatility,
+};
+use sedona_expr::scalar_udf::{SedonaScalarKernel, SedonaScalarUDF};
+use sedona_raster::traits::RasterRef;
+use sedona_schema::{datatypes::SedonaType, matchers::ArgMatcher};
+
+/// RS_UpperLeftX() scalar UDF implementation
+///
+/// Extract the raster's upper left corner's
+/// X coordinate
+pub fn rs_upperleftx_udf() -> SedonaScalarUDF {
+ SedonaScalarUDF::new(
+ "rs_upperleftx",
+ vec![Arc::new(RsGeoTransform {
+ param: GeoTransformParam::UpperLeftX,
+ })],
+ Volatility::Immutable,
+ Some(rs_upperleftx_doc()),
+ )
+}
+
+/// RS_UpperLeftY() scalar UDF implementation
+///
+/// Extract the raster's upper left corner's
+/// Y coordinate
+pub fn rs_upperlefty_udf() -> SedonaScalarUDF {
+ SedonaScalarUDF::new(
+ "rs_upperlefty",
+ vec![Arc::new(RsGeoTransform {
+ param: GeoTransformParam::UpperLeftY,
+ })],
+ Volatility::Immutable,
+ Some(rs_upperlefty_doc()),
+ )
+}
+
+/// RS_ScaleX() scalar UDF implementation
+///
+/// Extract the raster's pixel width or scale parameter
+/// in the X direction
+pub fn rs_scalex_udf() -> SedonaScalarUDF {
+ SedonaScalarUDF::new(
+ "rs_scalex",
+ vec![Arc::new(RsGeoTransform {
+ param: GeoTransformParam::ScaleX,
+ })],
+ Volatility::Immutable,
+ Some(rs_scalex_doc()),
+ )
+}
+
+/// RS_ScaleY() scalar UDF implementation
+///
+/// Extract the raster's pixel height or scale
+/// parameter in the Y direction
+pub fn rs_scaley_udf() -> SedonaScalarUDF {
+ SedonaScalarUDF::new(
+ "rs_scaley",
+ vec![Arc::new(RsGeoTransform {
+ param: GeoTransformParam::ScaleY,
+ })],
+ Volatility::Immutable,
+ Some(rs_scaley_doc()),
+ )
+}
+
+/// RS_SkewX() scalar UDF implementation
+///
+/// Extract the raster's X skew (rotation) parameter
+/// from the geotransform
+pub fn rs_skewx_udf() -> SedonaScalarUDF {
+ SedonaScalarUDF::new(
+ "rs_skewx",
+ vec![Arc::new(RsGeoTransform {
+ param: GeoTransformParam::SkewX,
+ })],
+ Volatility::Immutable,
+ Some(rs_skewx_doc()),
+ )
+}
+
+/// RS_SkewY() scalar UDF implementation
+///
+/// Extract the raster's Y skew (rotation) parameter
+/// from the geotransform.
+pub fn rs_skewy_udf() -> SedonaScalarUDF {
+ SedonaScalarUDF::new(
+ "rs_skewy",
+ vec![Arc::new(RsGeoTransform {
+ param: GeoTransformParam::SkewY,
+ })],
+ Volatility::Immutable,
+ Some(rs_skewy_doc()),
+ )
+}
+
+fn rs_upperleftx_doc() -> Documentation {
+ Documentation::builder(
+ DOC_SECTION_OTHER,
+ "Returns the X coordinate of the upper-left corner of the
raster.".to_string(),
+ "RS_UpperLeftX(raster: Raster)".to_string(),
+ )
+ .with_argument("raster", "Raster: Input raster")
+ .with_sql_example("SELECT RS_UpperLeftX(raster)".to_string())
Review Comment:
Sure! switched
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