Update baseline images for basemap (#1221)

Author: seisman

.github/workflows/dvc-diff.yml

@@ -65,15 +65,15 @@ jobs:
         echo -e "### Modified images\n" >> report.md
         # Upload new images
         while IFS= read -r line; do
-          cml-publish --title $line --md "$line" > modified_images_new.md < /dev/null
+          cml-publish --title $line --md "$line" >> modified_images_new.md < /dev/null
         done < modified_files.txt
 
         # Pull images in the master branch from cloud storage
         git checkout master
         dvc pull --remote upstream
         # Upload old images
         while IFS= read -r line; do
-          cml-publish --title $line --md "$line" > modified_images_old.md < /dev/null
+          cml-publish --title $line --md "$line" >> modified_images_old.md < /dev/null
         done < modified_files.txt
 
         # Append image report for modified images

pygmt/tests/baseline/test_basemap.png.dvc

@@ -1,4 +1,4 @@
 outs:
-- md5: 61986bbf1ea20c418cbce50456d1d4f7
-  size: 9281
+- md5: 3cf01816fa5dd3fbc1adc602557bb032
+  size: 6187
   path: test_basemap.png

pygmt/tests/baseline/test_basemap_compass.png.dvc

@@ -1,4 +1,4 @@
 outs:
-- md5: 5ecccc4123b28636b62e01f642006ae4
-  size: 90778
+- md5: 77dc6e9b11b2fa1cf79c7de525704fca
+  size: 76593
   path: test_basemap_compass.png

pygmt/tests/baseline/test_basemap_loglog.png.dvc

@@ -1,4 +1,4 @@
 outs:
-- md5: 04df0757105b810a647f545f4f7371fb
-  size: 28235
+- md5: 37c36d4fa4524260ea43c6757a3140a1
+  size: 24475
   path: test_basemap_loglog.png

pygmt/tests/baseline/test_basemap_map_scale.png.dvc

@@ -1,4 +1,4 @@
 outs:
-- md5: f1ff6ede343ce3d2fc42cbe9ef0ba96b
-  size: 40128
+- md5: e88925c5053369eb516757ec963d691d
+  size: 31044
   path: test_basemap_map_scale.png

pygmt/tests/baseline/test_basemap_power_axis.png.dvc

@@ -1,4 +1,4 @@
 outs:
-- md5: 6d9dd0086ab8226f180c6aae5ec3e4a6
-  size: 31288
+- md5: d42769c9b2a802788ac3b3fd0c193c26
+  size: 16446
   path: test_basemap_power_axis.png

pygmt/tests/baseline/test_basemap_rose.png.dvc

@@ -1,4 +1,4 @@
 outs:
-- md5: ede2912205feff80db261b54ff8d5bec
-  size: 41421
+- md5: 50267f9329529a279a1846185b78f0ef
+  size: 32476
   path: test_basemap_rose.png

pygmt/tests/baseline/test_basemap_winkel_tripel.png.dvc

@@ -1,4 +1,4 @@
 outs:
-- md5: d0d2c680e9e6e1b546566d9aa2aaf830
-  size: 70487
+- md5: b32f987475dee83c219df916a7ffb687
+  size: 62786
   path: test_basemap_winkel_tripel.png

pygmt/tests/test_basemap.py

@@ -2,9 +2,13 @@
 Tests Figure.basemap.
 """
 import pytest
-from pygmt import Figure
+from packaging.version import Version
+from pygmt import Figure, clib
 from pygmt.exceptions import GMTInvalidInput
 
+with clib.Session() as _lib:
+    gmt_version = Version(_lib.info["version"])
+
 
 def test_basemap_required_args():
     """
@@ -53,6 +57,10 @@ def test_basemap_power_axis():
     return fig
 
 
+@pytest.mark.xfail(
+    condition=gmt_version == Version("6.2.0rc1"),
+    reason="Upstream bug #5167 in GMT 6.2.0rc1",
+)
 @pytest.mark.mpl_image_compare
 def test_basemap_polar():
     """