跳转至
🎉 Apache Sedona 1.9.1 已正式发布!🗺️ 新增 Geography SQL 函数、Box2D 与 Box3D 类型、栅格 Python UDF 等。查看发布说明 →

RS_FromArcInfoAsciiGrid

Introduction: Returns a raster geometry from an Arc Info Ascii Grid file.

Format: RS_FromArcInfoAsciiGrid(asc: ARRAY[Byte])

Return type: Raster

Since: v1.4.0

SQL Example

var df = sedona.read.format("binaryFile").load("/some/path/*.asc")
df = df.withColumn("raster", f.expr("RS_FromArcInfoAsciiGrid(content)"))