From 69abedcc0b773d0cd8b6aed1a462989b7bd275f6 Mon Sep 17 00:00:00 2001 From: David Stansby Date: Fri, 24 May 2019 13:23:15 +0200 Subject: [PATCH 1/3] Remove errornous low log formatted value --- lib/matplotlib/ticker.py | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/lib/matplotlib/ticker.py b/lib/matplotlib/ticker.py index b257adb5237e..65d6343858b4 100644 --- a/lib/matplotlib/ticker.py +++ b/lib/matplotlib/ticker.py @@ -2434,7 +2434,12 @@ def tick_values(self, vmin, vmax): has_c = True def get_log_range(lo, hi): - lo = np.floor(np.log(lo) / np.log(base)) + """ + Get the first integer exponents above *lo* and *hi*. These are + chosen to be above in both cases to avoid encroaching range b for + lo, and to extend out of ranges a or c for hi. + """ + lo = np.ceil(np.log(lo) / np.log(base)) hi = np.ceil(np.log(hi) / np.log(base)) return lo, hi From 11104ae0a4b3e71969cb55c4ffae0e36bdc08588 Mon Sep 17 00:00:00 2001 From: David Stansby Date: Fri, 24 May 2019 13:32:04 +0200 Subject: [PATCH 2/3] Update test images --- .../baseline_images/test_axes/symlog.pdf | Bin 6255 -> 5985 bytes .../baseline_images/test_axes/symlog2.pdf | Bin 6640 -> 5304 bytes 2 files changed, 0 insertions(+), 0 deletions(-) diff --git a/lib/matplotlib/tests/baseline_images/test_axes/symlog.pdf b/lib/matplotlib/tests/baseline_images/test_axes/symlog.pdf index d3a109773d24c8fa1bab34a79f84f0929ac2519c..37f6d6131652d305efe012df612491f1257b138b 100644 GIT binary patch delta 1767 zcmZuxX;4#F7;R)vSQJRat=y_8U?6YFLM*bHKvCIZ(F%+{!V^Lv2}wv;WHJcif*|k| ztui>G1qy-=5kvdT#!~oM5Z8hMvC?Y9NQs%zrJ_A^?vuBGXV{`7jB~o 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++++++++---------------------- 1 file changed, 8 insertions(+), 22 deletions(-) diff --git a/lib/matplotlib/ticker.py b/lib/matplotlib/ticker.py index 65d6343858b4..b196d3bf6251 100644 --- a/lib/matplotlib/ticker.py +++ b/lib/matplotlib/ticker.py @@ -2408,30 +2408,16 @@ def tick_values(self, vmin, vmax): # # "simple" mode is when the range falls entirely within (-t, # t) -- it should just display (vmin, 0, vmax) + if -linthresh < vmin < vmax < linthresh: + return [vmin, vmax] - # Determine which of the three ranges we have - has_a = has_b = has_c = False - if vmin < -linthresh: - has_a = True - if vmax > -linthresh: - has_b = True - if vmax > linthresh: - has_c = True - elif vmin < 0: - if vmax > 0: - has_b = True - if vmax > linthresh: - has_c = True - else: - return [vmin, vmax] - elif vmin < linthresh: - if vmax > linthresh: - has_b = True - has_c = True - else: - return [vmin, vmax] + has_a = (vmin < -linthresh) + has_c = (vmax > linthresh) + + if (has_a and vmax > -linthresh) or (has_c and vmin < linthresh): + has_b = True else: - has_c = True + has_b = False def get_log_range(lo, hi): """