new package: r-isoband (#20993)

var/spack/repos/builtin/packages/r-isoband/package.py

@@ -0,0 +1,22 @@
+# Copyright 2013-2021 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
+#
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
+from spack import *
+
+
+class RIsoband(RPackage):
+    """Generate Isolines and Isobands from Regularly Spaced Elevation Grids
+
+    A fast C++ implementation to generate contour lines (isolines) and contour
+    polygons (isobands) from regularly spaced grids containing elevation
+    data."""
+
+    homepage = "https://github.com/wilkelab/isoband"
+    url      = "https://cloud.r-project.org/src/contrib/isoband_0.2.3.tar.gz"
+    list_url = "https://cloud.r-project.org/src/contrib/Archive/isoband"
+
+    version('0.2.3', sha256='f9d3318fdf6d147dc2e2c7015ea7de42a55fa33d6232b952f982df96066b7ffe')
+
+    depends_on('r-testthat', type=('build', 'run'))