jiayuasu commented on PR #612:
URL: https://github.com/apache/incubator-sedona/pull/612#issuecomment-1101898005
@kanchanchy This PR looks awesome. I have a small request regarding the CRS
in GeoTIFF reader and writer. Currently, it is fixed to (1) in the reader, read
from the original data files and read to EPSG 4326 (2) in the writer, write to
EPSG 4326. This creates some troubles to the end user. Can you provide some
optional parameters to the user such as
This will write data to the desired the CRS
```
sparkSession.read.format("geotiff").option("writeFromCRS",
"epsg:XXX").save("YOUR_PATH")
sparkSession.read.format("geotiff").option("writeToCRS",
"epsg:XXX").save("YOUR_PATH")
```
If the original GeoTiff data files does not have CRS inside, then use the
following
```
sparkSession.read.format("geotiff").option("readFromCRS",
"epsg:XXX").load("YOUR_PATH")
sparkSession.read.format("geotiff").option("readToCRS",
"epsg:XXX").load("YOUR_PATH")
```
If the original GeoTiff data files have CRS inside, `readFromCRS` will not
be in effect.
Both of reader and writer should have an optional parameter which is
option("disableErrorInCRS", "true"). This will be the parameter used here:
https://github.com/apache/incubator-sedona/blob/master/sql/src/main/scala/org/apache/spark/sql/sedona_sql/expressions/Functions.scala#L288
The default value should be false
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