ghidalgo3

GeoCatalogs + APIM

Today (Mar 2026) GeoCatalogs do not support:

1. Anonymous access
2. Collection-level RBAC

We can implement them by deploying some kind of HTTP proxy between users and the geocatalog. One such proxy is [API Management][APIM].

ghidalgo3

# ! pip install xarray adlfs zarr planetary_computer matplotlib
from adlfs import AzureBlobFileSystem
import xarray as xr
import planetary_computer

signed_url = planetary_computer.sign("https://azureopendatastorage.blob.core.windows.net/noaa/conus404.zarr/")
_, sas_token = signed_url.split("?", 1)
fs = AzureBlobFileSystem(account_name="azureopendatastorage", sas_token=sas_token)
ds = xr.open_zarr(fs.get_mapper("az://noaa/conus404.zarr"))
ds # In a notebook, print this out to see all 200+ variables

ghidalgo3

def findRegexReplaceMatch(s: String, zomRegex: collection.immutable.Seq[(Regex, Match => String)]) : String = {
    import scala.language.implicitConversions
    //I really needed the start and end points of a regex match, this makes it less awkward in expressions
    implicit def match2tuple(m : Match) : (Int, Int) = (m.start, m.end)
    //detects overlaps in a set of regions.
    def overlaps(set :scala.collection.mutable.Set[(Int,Int)], region : (Int, Int)) : Boolean = {
      set.exists { case (begin, end) =>
        region._1 > begin && region._1 < end ||
          region._2 > begin && region._2 < end
      }

ghidalgo3

val table : Table[Product] = Products.products //this is the DTO

private def database(f : => Unit) = {
  Database.forURL("jdbc:mysql://127.0.0.1:3306/products", driver = "com.mysql.jdbc.Driver") withSession {
    implicit session => f
  }
}
  
def add(product : Product) = {
  database {//the compiler complains that there is no implicit session to run this with

ghidalgo3

  /** @return string with all occurrences of regex replaced with the paired string returned by supplying the match generated by the regex. Ensures recursive replacements cannot occur. */
  def findRegexReplaceMatch(
    s: String,
    zomRegex: Seq[(Regex, Match => String)]
  ) : String = {
    var t = s
    for((regex, matchingFunc) <- zomRegex) {
      t = regex.replaceAllIn(t, matchingFunc)
    }
    t

ghidalgo3

package s_mach.string

import scala.collection.mutable.ArrayBuffer
import scala.util.matching.Regex

trait WordSplitter {
  
  def split(s: String) : Iterator[String]

  /**

ghidalgo3

//submatrix determination for calculating determinants of matrices
  def submatrix(i : Int, j : Int, matrix : Array[Array]) = {
    //returns a new array of size n-1 with the ith index removed
    def removeIndex(index : Int, arr: Array): Array = {
      arr
        .zipWithIndex //what you call if you need an indexed loop
        .filter{ case (_,index) => index != r }
        .map { case (value, _) => value }
    }
    removeIndex(i , matrix.map{ case row => removeIndex(j, row) } )

ghidalgo3

//read a file and build a concordance list of the tokens in the file
  //there's gotta be a nicer way to do this
  def two(fileName:String): Unit = {
    val scanner = new Scanner(new File(fileName))
    val concordanceList = new mutable.HashMap[String, Int]()
    while(scanner hasNext) {
      scanner.nextLine()
        .split(" ")
        .foreach {
          word  => if(concordanceList contains word) {