Update the URL links to the GMT documentation (#4814)

Author: seisman

examples/projections/cyl/cyl_universal_transverse_mercator.py

@@ -14,7 +14,7 @@
 
 .. _GMT_utm_zones:
 
-.. figure:: https://docs.generic-mapping-tools.org/6.6/_images/GMT_utm_zones.png
+.. figure:: https://docs.generic-mapping-tools.org/6.7/_images/GMT_utm_zones.png
    :width: 700 px
    :align: center
 

pygmt/encodings.py

@@ -16,7 +16,7 @@
 ----------
 
 - GMT-octal-codes: https://github.com/seisman/GMT-octal-codes
-- GMT documentation: https://docs.generic-mapping-tools.org/6.6/reference/octal-codes.html
+- GMT documentation: https://docs.generic-mapping-tools.org/6.7/reference/octal-codes.html
 - Adobe Postscript Language Reference: https://www.adobe.com/jp/print/postscript/pdfs/PLRM.pdf
 - Adobe ISOLatin1+: https://en.wikipedia.org/wiki/PostScript_Latin_1_Encoding
 - Adobe Symbol: https://en.wikipedia.org/wiki/Symbol_(typeface)

pygmt/params/pattern.py

@@ -26,7 +26,7 @@ class Pattern(BaseParam):
     GMT provides 90 predefined patterns that can be used in PyGMT. The patterns are
     numbered from 1 to 90, and shown below:
 
-    .. figure:: https://docs.generic-mapping-tools.org/6.6/_images/GMT_App_E.png
+    .. figure:: https://docs.generic-mapping-tools.org/6.7/_images/GMT_App_E.png
        :alt: The 90 predefined bit-patterns provided with GMT
        :width: 75%
        :align: center

pygmt/params/position.py

@@ -20,7 +20,7 @@ class Position(BaseParam):
     """
     Class for positioning embellishments on a plot.
 
-    .. figure:: https://docs.generic-mapping-tools.org/6.6/_images/GMT_anchor.png
+    .. figure:: https://docs.generic-mapping-tools.org/6.7/_images/GMT_anchor.png
        :width: 600 px
        :align: center
 

pygmt/src/logo.py

@@ -36,7 +36,7 @@ def logo(
     """
     Plot the GMT logo.
 
-    .. figure:: https://docs.generic-mapping-tools.org/6.6/_images/GMT_coverlogo.png
+    .. figure:: https://docs.generic-mapping-tools.org/6.7/_images/GMT_coverlogo.png
        :alt: GMT logo
        :align: center
        :width: 300px

pygmt/src/nearneighbor.py

@@ -62,7 +62,7 @@ def nearneighbor(
     criteria and :math:`r_i` is the distance from the node to the *i*'th data
     point. If no data weights are supplied then :math:`w_i = 1`.
 
-    .. figure:: https://docs.generic-mapping-tools.org/6.6/_images/GMT_nearneighbor.png
+    .. figure:: https://docs.generic-mapping-tools.org/6.7/_images/GMT_nearneighbor.png
        :width: 300 px
        :align: center
 

pygmt/tests/test_text.py

@@ -314,7 +314,7 @@ def test_text_justify_parsed_from_textfile():
     operation.
 
     Loosely based on "All great-circle paths lead to Rome" gallery example at
-    https://docs.generic-mapping-tools.org/6.6/gallery/ex23.html
+    https://docs.generic-mapping-tools.org/6.7/gallery/ex23.html
     """
     fig = Figure()
     fig.text(