Changed visual to have mpl kwargs for Alma

CHANGES.rst

@@ -14,6 +14,11 @@ API changes
 Service fixes and enhancements
 ------------------------------
 
+alma
+^^^^
+
+- Bug fix in ``footprint_to_reg`` that did not allow regions to be plotted. [#3285]
+
 heasarc
 ^^^^^^^
 

astroquery/alma/tests/test_alma_utils.py

@@ -97,3 +97,19 @@ def test_footprint_to_reg_pointing(pointing_footprint_str=pointing_footprint_str
     assert actual_reg.center.ra == reg_output[0].center.ra
     assert actual_reg.center.dec == reg_output[0].center.dec
     assert actual_reg.radius == reg_output[0].radius
+
+
+@pytest.mark.skipif(not HAS_REGIONS, reason="regions is required")
+def test_footprint_to_reg_plot(pointing_footprint_str=pointing_footprint_str):
+    reg_output = utils.footprint_to_reg(pointing_footprint_str)
+
+    from astropy.wcs import WCS
+    ww = WCS(naxis=2)
+    ww.wcs.crpix = [250.0, 250.0]
+    ww.wcs.cdelt = [-7.500000005754e-05, 7.500000005754e-05]
+    ww.wcs.ctype = ['RA---SIN', 'DEC--SIN']
+    ww.wcs.crval = [reg_output[0].center.ra.value, reg_output[0].center.dec.value]
+
+    pix_region = reg_output[0].to_pixel(ww)
+    artist = pix_region.as_artist()
+    assert artist is not None

astroquery/alma/utils.py

@@ -60,8 +60,7 @@ def footprint_to_reg(footprint):
     reglist = []
 
     meta = {'source': 1, 'include': 1, 'fixed': 0, 'text': ''}
-    visual = {'color': 'green', 'dash': '0', 'dashlist': '8 3',
-              'font': '"helvetica 10 normal roman"', 'width': '1'}
+    visual = {'color': 'green', 'linestyle': 'solid', 'linewidth': 1.0}
 
     entries = footprint.split()
     if entries[0] == 'Circle':