From a49fac51b1a6eb22012dba7a1469ae61db1edfa8 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?L=C3=ADvia=20Lutz?=
 <108961867+livlutz@users.noreply.github.com>
Date: Sat, 24 May 2025 15:51:39 +0000
Subject: [PATCH 01/21] Rename evans_test.py example for Foo units class and
 conversion

---
 galleries/examples/units/{evans_test.py => test_evans.py} | 0
 1 file changed, 0 insertions(+), 0 deletions(-)
 rename galleries/examples/units/{evans_test.py => test_evans.py} (100%)

diff --git a/galleries/examples/units/evans_test.py b/galleries/examples/units/test_evans.py
similarity index 100%
rename from galleries/examples/units/evans_test.py
rename to galleries/examples/units/test_evans.py

From 87e8e37b9301db849fe96846c5a37a6e0c98c1a8 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?L=C3=ADvia=20Lutz?=
 <108961867+livlutz@users.noreply.github.com>
Date: Sat, 24 May 2025 21:25:13 +0000
Subject: [PATCH 02/21] Rename test_evans to unit_conversion_for_class_Foo

---
 .../units/{test_evans.py => unit_conversion_for_class_Foo.py}     | 0
 1 file changed, 0 insertions(+), 0 deletions(-)
 rename galleries/examples/units/{test_evans.py => unit_conversion_for_class_Foo.py} (100%)

diff --git a/galleries/examples/units/test_evans.py b/galleries/examples/units/unit_conversion_for_class_Foo.py
similarity index 100%
rename from galleries/examples/units/test_evans.py
rename to galleries/examples/units/unit_conversion_for_class_Foo.py

From 4df2b3985841cc7ddc2020627bb733b1dd291d38 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?L=C3=ADvia=20Lutz?=
 <108961867+livlutz@users.noreply.github.com>
Date: Sun, 25 May 2025 14:17:55 +0000
Subject: [PATCH 03/21] back to evans_test.py

---
 .../units/{unit_conversion_for_class_Foo.py => evans_test.py}     | 0
 1 file changed, 0 insertions(+), 0 deletions(-)
 rename galleries/examples/units/{unit_conversion_for_class_Foo.py => evans_test.py} (100%)

diff --git a/galleries/examples/units/unit_conversion_for_class_Foo.py b/galleries/examples/units/evans_test.py
similarity index 100%
rename from galleries/examples/units/unit_conversion_for_class_Foo.py
rename to galleries/examples/units/evans_test.py

From 646be10edfe2a82e0be9b8521659308a2589909c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?L=C3=ADvia=20Lutz?=
 <108961867+livlutz@users.noreply.github.com>
Date: Sun, 25 May 2025 14:25:08 +0000
Subject: [PATCH 04/21] Add colorbar histogram example to README and implement
 the example script

---
 galleries/examples/color/README.txt           |  2 +
 .../examples/color/colorbar_histogram.py      | 42 +++++++++++++++++++
 2 files changed, 44 insertions(+)
 create mode 100644 galleries/examples/color/colorbar_histogram.py

diff --git a/galleries/examples/color/README.txt b/galleries/examples/color/README.txt
index 4b8b3bc4b751..8085271219e8 100644
--- a/galleries/examples/color/README.txt
+++ b/galleries/examples/color/README.txt
@@ -5,3 +5,5 @@ Color
 
 For a description of the colormaps available in Matplotlib,
 see the :ref:`colormaps tutorial <tutorials-colors>`.
+
+- colorbar_histogram.py: Example of a colorbar with a histogram inset.
diff --git a/galleries/examples/color/colorbar_histogram.py b/galleries/examples/color/colorbar_histogram.py
new file mode 100644
index 000000000000..ca90104dbb44
--- /dev/null
+++ b/galleries/examples/color/colorbar_histogram.py
@@ -0,0 +1,42 @@
+"""
+=========================
+Colorbar with Histogram
+=========================
+
+This example demonstrates how to create a colorbar for an image and
+add a histogram of the data values alongside it. This is useful for
+visualizing the distribution of values mapped to colors.
+
+"""
+
+import numpy as np
+import matplotlib.pyplot as plt
+import matplotlib.colors as mcolors
+
+# Generate random data
+x = np.random.random(100).reshape(10, 10)
+
+# Compute histogram
+counts, bins = np.histogram(x)
+
+# Set up colormap and normalization
+cmap = plt.colormaps['viridis']
+norm = mcolors.BoundaryNorm(bins, cmap.N)
+
+fig, ax = plt.subplots()
+im = ax.imshow(x, cmap=cmap, norm=norm)
+cbar = plt.colorbar(im, ax=ax)
+cbar.set_label('Value')
+
+# Add histogram as an inset axis
+cax = ax.inset_axes([1.05, 0, .25, 1])
+midpoints = bins[:-1] + np.diff(bins) / 2
+cax.barh(midpoints, counts, height=1/len(counts), color=cmap(norm(midpoints)))
+cax.set_yticks(bins)
+cax.margins(0)
+for spine in cax.spines.values():
+    spine.set_visible(False)
+cax.set_xlabel('Count')
+cax.set_ylabel('Value')
+
+plt.show()
\ No newline at end of file

From c81072f5c296f303f02164b84db72032c14f9f7f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?L=C3=ADvia=20Lutz?=
 <108961867+livlutz@users.noreply.github.com>
Date: Sun, 25 May 2025 14:28:48 +0000
Subject: [PATCH 05/21] Add completion message to colorbar histogram example

---
 galleries/examples/color/colorbar_histogram.py | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/galleries/examples/color/colorbar_histogram.py b/galleries/examples/color/colorbar_histogram.py
index ca90104dbb44..152604d49a7d 100644
--- a/galleries/examples/color/colorbar_histogram.py
+++ b/galleries/examples/color/colorbar_histogram.py
@@ -39,4 +39,6 @@
 cax.set_xlabel('Count')
 cax.set_ylabel('Value')
 
-plt.show()
\ No newline at end of file
+plt.show()
+
+print("Colorbar with histogram example completed.")
\ No newline at end of file

From 19a2d19ed17845aa357ea3e84462998badc0d777 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?L=C3=ADvia=20Lutz?=
 <108961867+livlutz@users.noreply.github.com>
Date: Sun, 25 May 2025 15:25:07 +0000
Subject: [PATCH 06/21] Fix newline at end of file in colorbar histogram
 example

---
 galleries/examples/color/colorbar_histogram.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/galleries/examples/color/colorbar_histogram.py b/galleries/examples/color/colorbar_histogram.py
index 152604d49a7d..f3d4ec30f20c 100644
--- a/galleries/examples/color/colorbar_histogram.py
+++ b/galleries/examples/color/colorbar_histogram.py
@@ -41,4 +41,4 @@
 
 plt.show()
 
-print("Colorbar with histogram example completed.")
\ No newline at end of file
+print("Colorbar with histogram example completed.")

From 9931dba05d057e13825015c491c30d14e662fd02 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?L=C3=ADvia=20Lutz?=
 <108961867+livlutz@users.noreply.github.com>
Date: Sun, 25 May 2025 17:50:02 +0000
Subject: [PATCH 07/21] Refactor colorbar histogram example to use constrained
 layout and improve spacing

---
 .../examples/color/colorbar_histogram.py      | 32 ++++++++++++-------
 1 file changed, 21 insertions(+), 11 deletions(-)

diff --git a/galleries/examples/color/colorbar_histogram.py b/galleries/examples/color/colorbar_histogram.py
index f3d4ec30f20c..dffb6b5eec5b 100644
--- a/galleries/examples/color/colorbar_histogram.py
+++ b/galleries/examples/color/colorbar_histogram.py
@@ -12,6 +12,7 @@
 import numpy as np
 import matplotlib.pyplot as plt
 import matplotlib.colors as mcolors
+from matplotlib import gridspec
 
 # Generate random data
 x = np.random.random(100).reshape(10, 10)
@@ -23,21 +24,30 @@
 cmap = plt.colormaps['viridis']
 norm = mcolors.BoundaryNorm(bins, cmap.N)
 
-fig, ax = plt.subplots()
-im = ax.imshow(x, cmap=cmap, norm=norm)
-cbar = plt.colorbar(im, ax=ax)
+# Create figure with constrained_layout for better spacing
+fig = plt.figure(figsize=(8, 4), constrained_layout=True)
+gs = gridspec.GridSpec(1, 3, width_ratios=[4, 0.2, 1], figure=fig)
+
+# Main image
+ax_img = fig.add_subplot(gs[0])
+im = ax_img.imshow(x, cmap=cmap, norm=norm)
+ax_img.set_title("Image")
+
+# Colorbar
+cax = fig.add_subplot(gs[1])
+cbar = plt.colorbar(im, cax=cax)
 cbar.set_label('Value')
 
-# Add histogram as an inset axis
-cax = ax.inset_axes([1.05, 0, .25, 1])
+# Histogram
+ax_hist = fig.add_subplot(gs[2])
 midpoints = bins[:-1] + np.diff(bins) / 2
-cax.barh(midpoints, counts, height=1/len(counts), color=cmap(norm(midpoints)))
-cax.set_yticks(bins)
-cax.margins(0)
-for spine in cax.spines.values():
+ax_hist.barh(midpoints, counts, height=np.diff(bins), color=cmap(norm(midpoints)), edgecolor='k')
+ax_hist.set_yticks(bins)
+ax_hist.set_xlabel('Count')
+ax_hist.set_ylabel('Value')
+ax_hist.margins(0)
+for spine in ax_hist.spines.values():
     spine.set_visible(False)
-cax.set_xlabel('Count')
-cax.set_ylabel('Value')
 
 plt.show()
 

From 578e41492d981b9d6acb6bdba4a3a99103b0eeeb Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?L=C3=ADvia=20Lutz?=
 <108961867+livlutz@users.noreply.github.com>
Date: Sun, 25 May 2025 17:56:08 +0000
Subject: [PATCH 08/21] Refactor colorbar histogram example to improve layout
 and streamline code

---
 .../examples/color/colorbar_histogram.py      | 42 ++++++++-----------
 1 file changed, 17 insertions(+), 25 deletions(-)

diff --git a/galleries/examples/color/colorbar_histogram.py b/galleries/examples/color/colorbar_histogram.py
index dffb6b5eec5b..41f5e70ca8ac 100644
--- a/galleries/examples/color/colorbar_histogram.py
+++ b/galleries/examples/color/colorbar_histogram.py
@@ -12,43 +12,35 @@
 import numpy as np
 import matplotlib.pyplot as plt
 import matplotlib.colors as mcolors
-from matplotlib import gridspec
+from mpl_toolkits.axes_grid1 import make_axes_locatable
 
 # Generate random data
-x = np.random.random(100).reshape(10, 10)
+x = np.random.random((10, 10))
 
 # Compute histogram
 counts, bins = np.histogram(x)
 
 # Set up colormap and normalization
-cmap = plt.colormaps['viridis']
+cmap = plt.get_cmap('viridis')
 norm = mcolors.BoundaryNorm(bins, cmap.N)
 
-# Create figure with constrained_layout for better spacing
-fig = plt.figure(figsize=(8, 4), constrained_layout=True)
-gs = gridspec.GridSpec(1, 3, width_ratios=[4, 0.2, 1], figure=fig)
-
-# Main image
-ax_img = fig.add_subplot(gs[0])
-im = ax_img.imshow(x, cmap=cmap, norm=norm)
-ax_img.set_title("Image")
-
-# Colorbar
-cax = fig.add_subplot(gs[1])
-cbar = plt.colorbar(im, cax=cax)
+fig, ax = plt.subplots()
+im = ax.imshow(x, cmap=cmap, norm=norm)
+cbar = plt.colorbar(im, ax=ax)
 cbar.set_label('Value')
 
-# Histogram
-ax_hist = fig.add_subplot(gs[2])
+# Create an axes on the right side of ax. The width of cax will be 20% of ax and the padding between cax and ax will be fixed at 0.05 inch.
+divider = make_axes_locatable(ax)
+cax = divider.append_axes("right", size="20%", pad=0.05)
+
+# Plot histogram
 midpoints = bins[:-1] + np.diff(bins) / 2
-ax_hist.barh(midpoints, counts, height=np.diff(bins), color=cmap(norm(midpoints)), edgecolor='k')
-ax_hist.set_yticks(bins)
-ax_hist.set_xlabel('Count')
-ax_hist.set_ylabel('Value')
-ax_hist.margins(0)
-for spine in ax_hist.spines.values():
-    spine.set_visible(False)
+cax.barh(midpoints, counts, height=np.diff(bins), color=cmap(norm(midpoints)))
+cax.set_yticks(bins)
+cax.set_xlabel('Count')
+cax.set_ylabel('Value')
+cax.invert_yaxis()  # Optional: to match the orientation of imshow
 
+plt.tight_layout()
 plt.show()
 
-print("Colorbar with histogram example completed.")

From 0089861e452115d3221af2697ed72a67186d01dc Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?L=C3=ADvia=20Lutz?=
 <108961867+livlutz@users.noreply.github.com>
Date: Mon, 26 May 2025 00:07:03 +0000
Subject: [PATCH 09/21] Update colorbar histogram example: rename title,
 improve inset axes layout, and adjust label positions

---
 galleries/examples/color/README.txt           |  2 --
 .../examples/color/colorbar_histogram.py      | 35 +++++++++++--------
 2 files changed, 21 insertions(+), 16 deletions(-)

diff --git a/galleries/examples/color/README.txt b/galleries/examples/color/README.txt
index 8085271219e8..4b8b3bc4b751 100644
--- a/galleries/examples/color/README.txt
+++ b/galleries/examples/color/README.txt
@@ -5,5 +5,3 @@ Color
 
 For a description of the colormaps available in Matplotlib,
 see the :ref:`colormaps tutorial <tutorials-colors>`.
-
-- colorbar_histogram.py: Example of a colorbar with a histogram inset.
diff --git a/galleries/examples/color/colorbar_histogram.py b/galleries/examples/color/colorbar_histogram.py
index 41f5e70ca8ac..e649741842ec 100644
--- a/galleries/examples/color/colorbar_histogram.py
+++ b/galleries/examples/color/colorbar_histogram.py
@@ -1,6 +1,6 @@
 """
 =========================
-Colorbar with Histogram
+Histogram as Colorbar
 =========================
 
 This example demonstrates how to create a colorbar for an image and
@@ -8,11 +8,10 @@
 visualizing the distribution of values mapped to colors.
 
 """
-
 import numpy as np
 import matplotlib.pyplot as plt
 import matplotlib.colors as mcolors
-from mpl_toolkits.axes_grid1 import make_axes_locatable
+from mpl_toolkits.axes_grid1.inset_locator import inset_axes
 
 # Generate random data
 x = np.random.random((10, 10))
@@ -26,21 +25,29 @@
 
 fig, ax = plt.subplots()
 im = ax.imshow(x, cmap=cmap, norm=norm)
-cbar = plt.colorbar(im, ax=ax)
-cbar.set_label('Value')
 
-# Create an axes on the right side of ax. The width of cax will be 20% of ax and the padding between cax and ax will be fixed at 0.05 inch.
-divider = make_axes_locatable(ax)
-cax = divider.append_axes("right", size="20%", pad=0.05)
+# Create an inset axes for the histogram
+cax = inset_axes(ax,
+                 width="20%",    
+                 height="95%",   
+                 loc='center left',
+                 bbox_to_anchor=(1.18, 0.025, 1, 1),  # x-shift, y-shift, width, height
+                 bbox_transform=ax.transAxes,
+                 borderpad=0)
 
 # Plot histogram
 midpoints = bins[:-1] + np.diff(bins) / 2
-cax.barh(midpoints, counts, height=np.diff(bins), color=cmap(norm(midpoints)))
+bar_height = np.min(np.diff(bins))
+cax.barh(midpoints, counts, height=bar_height, color=cmap(norm(midpoints)))
+
+# Adjust label distances more precisely
+cax.set_xlabel('Count', labelpad=3)    
+cax.set_ylabel('Value', labelpad=2)  
+
+
 cax.set_yticks(bins)
-cax.set_xlabel('Count')
-cax.set_ylabel('Value')
-cax.invert_yaxis()  # Optional: to match the orientation of imshow
+cax.invert_yaxis()  # Optional: match image orientation
 
-plt.tight_layout()
+# Leave room for histogram inset
+plt.subplots_adjust(right=0.75)
 plt.show()
-

From bf6f2e8c085bb3523c40bc5f4aacc7a85e945340 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?L=C3=ADvia=20Lutz?=
 <108961867+livlutz@users.noreply.github.com>
Date: Mon, 26 May 2025 00:38:37 +0000
Subject: [PATCH 10/21] Plotting a different database + refactor bins to
 np.linespace(-1,1,11) + remove yaxis inversion

---
 .../examples/color/colorbar_histogram.py      | 50 +++++++++++--------
 1 file changed, 30 insertions(+), 20 deletions(-)

diff --git a/galleries/examples/color/colorbar_histogram.py b/galleries/examples/color/colorbar_histogram.py
index e649741842ec..fa707be4c408 100644
--- a/galleries/examples/color/colorbar_histogram.py
+++ b/galleries/examples/color/colorbar_histogram.py
@@ -13,41 +13,51 @@
 import matplotlib.colors as mcolors
 from mpl_toolkits.axes_grid1.inset_locator import inset_axes
 
-# Generate random data
-x = np.random.random((10, 10))
-
-# Compute histogram
-counts, bins = np.histogram(x)
-
-# Set up colormap and normalization
-cmap = plt.get_cmap('viridis')
+# === Surface Data ===
+delta = 0.025
+x = y = np.arange(-3.0, 3.0, delta)
+X, Y = np.meshgrid(x, y)
+Z1 = np.exp(-X**2 - Y**2)
+Z2 = np.exp(-(X - 1)**2 - (Y - 1)**2)
+Z = (Z1 - Z2) * 2
+
+# Purposeful bins for full value range
+bins = np.linspace(-1, 1, 11)
+counts, _ = np.histogram(Z, bins=bins)
+
+# Normalize to bins for colormap
+cmap = plt.get_cmap('RdYlBu')
 norm = mcolors.BoundaryNorm(bins, cmap.N)
 
+# === Plot heatmap ===
 fig, ax = plt.subplots()
-im = ax.imshow(x, cmap=cmap, norm=norm)
+im = ax.imshow(Z, interpolation='bilinear', cmap=cmap,
+               origin='lower', extent=[-3, 3, -3, 3],
+               norm=norm)
 
-# Create an inset axes for the histogram
+# === Inset histogram as colorbar ===
 cax = inset_axes(ax,
-                 width="20%",    
-                 height="95%",   
+                 width="20%",
+                 height="95%",
                  loc='center left',
-                 bbox_to_anchor=(1.18, 0.025, 1, 1),  # x-shift, y-shift, width, height
+                 bbox_to_anchor=(1.18, 0.025, 1, 1),
                  bbox_transform=ax.transAxes,
                  borderpad=0)
 
-# Plot histogram
+# Histogram values and bars
 midpoints = bins[:-1] + np.diff(bins) / 2
 bar_height = np.min(np.diff(bins))
 cax.barh(midpoints, counts, height=bar_height, color=cmap(norm(midpoints)))
+cax.margins(0)
 
-# Adjust label distances more precisely
-cax.set_xlabel('Count', labelpad=3)    
-cax.set_ylabel('Value', labelpad=2)  
-
+# Axis labels with clean spacing
+cax.set_xlabel('Count', labelpad=6)
+cax.set_ylabel('Value', labelpad=2)
 
+# Use bin edges as y-ticks (no inversion now)
 cax.set_yticks(bins)
-cax.invert_yaxis()  # Optional: match image orientation
 
 # Leave room for histogram inset
 plt.subplots_adjust(right=0.75)
-plt.show()
+
+plt.show()
\ No newline at end of file

From 9c5c859f60c94138426b1378647998be5851d234 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?L=C3=ADvia=20Lutz?=
 <108961867+livlutz@users.noreply.github.com>
Date: Mon, 26 May 2025 14:07:10 +0000
Subject: [PATCH 11/21] Refactor colorbar histogram example: streamline
 histogram calculation, improve inset axes layout, and enhance label spacing

---
 .../examples/color/colorbar_histogram.py      | 41 ++++++++-----------
 1 file changed, 18 insertions(+), 23 deletions(-)

diff --git a/galleries/examples/color/colorbar_histogram.py b/galleries/examples/color/colorbar_histogram.py
index fa707be4c408..52477b32ad88 100644
--- a/galleries/examples/color/colorbar_histogram.py
+++ b/galleries/examples/color/colorbar_histogram.py
@@ -11,7 +11,6 @@
 import numpy as np
 import matplotlib.pyplot as plt
 import matplotlib.colors as mcolors
-from mpl_toolkits.axes_grid1.inset_locator import inset_axes
 
 # === Surface Data ===
 delta = 0.025
@@ -21,43 +20,39 @@
 Z2 = np.exp(-(X - 1)**2 - (Y - 1)**2)
 Z = (Z1 - Z2) * 2
 
-# Purposeful bins for full value range
-bins = np.linspace(-1, 1, 11)
-counts, _ = np.histogram(Z, bins=bins)
+# === Histogram from actual Z data ===
+counts, bins = np.histogram(Z, bins=30)
 
-# Normalize to bins for colormap
+# === Colormap & Normalization ===
 cmap = plt.get_cmap('RdYlBu')
 norm = mcolors.BoundaryNorm(bins, cmap.N)
 
-# === Plot heatmap ===
+# === Main Plot ===
 fig, ax = plt.subplots()
 im = ax.imshow(Z, interpolation='bilinear', cmap=cmap,
                origin='lower', extent=[-3, 3, -3, 3],
                norm=norm)
 
-# === Inset histogram as colorbar ===
-cax = inset_axes(ax,
-                 width="20%",
-                 height="95%",
-                 loc='center left',
-                 bbox_to_anchor=(1.18, 0.025, 1, 1),
-                 bbox_transform=ax.transAxes,
-                 borderpad=0)
+# === Inset Histogram Using ax.inset_axes ===
+cax = ax.inset_axes([1.28, 0.05, 0.25, 1.2])
 
-# Histogram values and bars
+# === Plot Histogram ===
 midpoints = bins[:-1] + np.diff(bins) / 2
-bar_height = np.min(np.diff(bins))
+bar_height = 1 / len(counts)
 cax.barh(midpoints, counts, height=bar_height, color=cmap(norm(midpoints)))
+
+# === Remove spines and margins ===
+for spine in cax.spines.values():
+    spine.set_visible(False)
 cax.margins(0)
 
-# Axis labels with clean spacing
-cax.set_xlabel('Count', labelpad=6)
-cax.set_ylabel('Value', labelpad=2)
+# Optional: clean up ticks
+cax.tick_params(axis='both', which='both', length=0)
 
-# Use bin edges as y-ticks (no inversion now)
+# === Labels and ticks ===
+cax.set_xlabel('Count', labelpad=8)   # increased from 6 → 8
+cax.set_ylabel('Value', labelpad=10)  # increased from 8 → 10
 cax.set_yticks(bins)
 
-# Leave room for histogram inset
-plt.subplots_adjust(right=0.75)
+plt.show()
 
-plt.show()
\ No newline at end of file

From 96781f3262342775e4b9bfe67d106090c9c966ac Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?L=C3=ADvia=20Lutz?=
 <108961867+livlutz@users.noreply.github.com>
Date: Mon, 26 May 2025 21:47:52 +0000
Subject: [PATCH 12/21] Refactor colorbar histogram example: adjust inset
 histogram positioning, improve layout, and clean up axis labels

---
 .../examples/color/colorbar_histogram.py      | 21 ++++++++++++-------
 1 file changed, 13 insertions(+), 8 deletions(-)

diff --git a/galleries/examples/color/colorbar_histogram.py b/galleries/examples/color/colorbar_histogram.py
index 52477b32ad88..58f5a66d9a82 100644
--- a/galleries/examples/color/colorbar_histogram.py
+++ b/galleries/examples/color/colorbar_histogram.py
@@ -11,6 +11,7 @@
 import numpy as np
 import matplotlib.pyplot as plt
 import matplotlib.colors as mcolors
+from matplotlib.ticker import MaxNLocator
 
 # === Surface Data ===
 delta = 0.025
@@ -33,26 +34,30 @@
                origin='lower', extent=[-3, 3, -3, 3],
                norm=norm)
 
-# === Inset Histogram Using ax.inset_axes ===
-cax = ax.inset_axes([1.28, 0.05, 0.25, 1.2])
+# Adjust image position to allow space
+plt.subplots_adjust(right=0.78, top=0.92, bottom=0.08)
+
+# === Inset Histogram – Positioning adjusted ===
+cax = ax.inset_axes([1.18, 0.02, 0.25, 0.95])  # left, bottom, width, height
 
 # === Plot Histogram ===
 midpoints = bins[:-1] + np.diff(bins) / 2
 bar_height = 1 / len(counts)
 cax.barh(midpoints, counts, height=bar_height, color=cmap(norm(midpoints)))
 
-# === Remove spines and margins ===
+# === Clean up ===
 for spine in cax.spines.values():
     spine.set_visible(False)
 cax.margins(0)
-
-# Optional: clean up ticks
 cax.tick_params(axis='both', which='both', length=0)
 
-# === Labels and ticks ===
-cax.set_xlabel('Count', labelpad=8)   # increased from 6 → 8
-cax.set_ylabel('Value', labelpad=10)  # increased from 8 → 10
+# === Axis labels ===
+cax.set_xlabel('Count', labelpad=10)
+cax.set_ylabel('Value', labelpad=6) 
+
+# === Ticks ===
 cax.set_yticks(bins)
+cax.yaxis.set_major_locator(MaxNLocator(nbins=8))
 
 plt.show()
 

From 6062d917c2fc535cf58f4b541ddba162e2c12772 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?L=C3=ADvia=20Lutz?=
 <108961867+livlutz@users.noreply.github.com>
Date: Tue, 27 May 2025 00:20:56 +0000
Subject: [PATCH 13/21] Update histogram bar height calculation for improved
 visualization

---
 galleries/examples/color/colorbar_histogram.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/galleries/examples/color/colorbar_histogram.py b/galleries/examples/color/colorbar_histogram.py
index 58f5a66d9a82..6b664c32225f 100644
--- a/galleries/examples/color/colorbar_histogram.py
+++ b/galleries/examples/color/colorbar_histogram.py
@@ -43,7 +43,7 @@
 # === Plot Histogram ===
 midpoints = bins[:-1] + np.diff(bins) / 2
 bar_height = 1 / len(counts)
-cax.barh(midpoints, counts, height=bar_height, color=cmap(norm(midpoints)))
+cax.barh(midpoints, counts, height=np.median(np.diff(bins))*0.8, color=cmap(norm(midpoints)))
 
 # === Clean up ===
 for spine in cax.spines.values():

From 69a388feef64ef26d3f4c950946671bcfe6ba998 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?L=C3=ADvia=20Lutz?=
 <108961867+livlutz@users.noreply.github.com>
Date: Tue, 27 May 2025 09:08:38 -0300
Subject: [PATCH 14/21] Update colorbar_histogram.py

Co-authored-by: hannah <story645@gmail.com>
---
 galleries/examples/color/colorbar_histogram.py | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/galleries/examples/color/colorbar_histogram.py b/galleries/examples/color/colorbar_histogram.py
index 6b664c32225f..be8dc74017a5 100644
--- a/galleries/examples/color/colorbar_histogram.py
+++ b/galleries/examples/color/colorbar_histogram.py
@@ -46,8 +46,7 @@
 cax.barh(midpoints, counts, height=np.median(np.diff(bins))*0.8, color=cmap(norm(midpoints)))
 
 # === Clean up ===
-for spine in cax.spines.values():
-    spine.set_visible(False)
+cax.spines[:].set_visible(False)
 cax.margins(0)
 cax.tick_params(axis='both', which='both', length=0)
 

From b3d7b4242bb39ec36be4905cc750dc92171102bf Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?L=C3=ADvia=20Lutz?=
 <108961867+livlutz@users.noreply.github.com>
Date: Tue, 27 May 2025 12:22:12 +0000
Subject: [PATCH 15/21] Refactor inset histogram cleanup: remove unnecessary
 comment and enhance code clarity

---
 galleries/examples/color/colorbar_histogram.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/galleries/examples/color/colorbar_histogram.py b/galleries/examples/color/colorbar_histogram.py
index be8dc74017a5..ca5a8c733249 100644
--- a/galleries/examples/color/colorbar_histogram.py
+++ b/galleries/examples/color/colorbar_histogram.py
@@ -46,6 +46,7 @@
 cax.barh(midpoints, counts, height=np.median(np.diff(bins))*0.8, color=cmap(norm(midpoints)))
 
 # === Clean up ===
+#showcase none loop version
 cax.spines[:].set_visible(False)
 cax.margins(0)
 cax.tick_params(axis='both', which='both', length=0)

From 80047423579b3d7a92f6592212fee5bd673d8bf1 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?L=C3=ADvia=20Lutz?=
 <108961867+livlutz@users.noreply.github.com>
Date: Tue, 27 May 2025 12:24:45 +0000
Subject: [PATCH 16/21] Refactor inset histogram cleanup: remove unnecessary
 comment to enhance code clarity

---
 galleries/examples/color/colorbar_histogram.py | 1 -
 1 file changed, 1 deletion(-)

diff --git a/galleries/examples/color/colorbar_histogram.py b/galleries/examples/color/colorbar_histogram.py
index ca5a8c733249..be8dc74017a5 100644
--- a/galleries/examples/color/colorbar_histogram.py
+++ b/galleries/examples/color/colorbar_histogram.py
@@ -46,7 +46,6 @@
 cax.barh(midpoints, counts, height=np.median(np.diff(bins))*0.8, color=cmap(norm(midpoints)))
 
 # === Clean up ===
-#showcase none loop version
 cax.spines[:].set_visible(False)
 cax.margins(0)
 cax.tick_params(axis='both', which='both', length=0)

From f3e8acfbbb22b0c9be6c993df619480b2c24d24a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?L=C3=ADvia=20Lutz?=
 <108961867+livlutz@users.noreply.github.com>
Date: Tue, 27 May 2025 21:59:29 +0000
Subject: [PATCH 17/21] Using a new histogram + swapping blue and red in cmap

---
 galleries/examples/color/colorbar_histogram.py | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/galleries/examples/color/colorbar_histogram.py b/galleries/examples/color/colorbar_histogram.py
index be8dc74017a5..dba832ca5238 100644
--- a/galleries/examples/color/colorbar_histogram.py
+++ b/galleries/examples/color/colorbar_histogram.py
@@ -17,15 +17,15 @@
 delta = 0.025
 x = y = np.arange(-3.0, 3.0, delta)
 X, Y = np.meshgrid(x, y)
-Z1 = np.exp(-X**2 - Y**2)
-Z2 = np.exp(-(X - 1)**2 - (Y - 1)**2)
-Z = (Z1 - Z2) * 2
+Z1 = np.exp(-((X+1)*1.3)**2 - ((Y+1)*1.3)**2)
+Z2 = 2.5*np.exp(-(X - 1)**2 - (Y - 1)**2)
+Z = (Z1**0.25 - Z2**0.5)
 
 # === Histogram from actual Z data ===
 counts, bins = np.histogram(Z, bins=30)
 
 # === Colormap & Normalization ===
-cmap = plt.get_cmap('RdYlBu')
+cmap = plt.get_cmap('RdYlBu_r')
 norm = mcolors.BoundaryNorm(bins, cmap.N)
 
 # === Main Plot ===

From cf4f62caab090ed72010f009aa3f7cdbc15da043 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?L=C3=ADvia=20Lutz?=
 <108961867+livlutz@users.noreply.github.com>
Date: Tue, 27 May 2025 22:45:20 +0000
Subject: [PATCH 18/21] Fix histogram range and improve image display: adjust x
 range and remove interpolation in imshow

---
 galleries/examples/color/colorbar_histogram.py | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/galleries/examples/color/colorbar_histogram.py b/galleries/examples/color/colorbar_histogram.py
index dba832ca5238..fc4271847b92 100644
--- a/galleries/examples/color/colorbar_histogram.py
+++ b/galleries/examples/color/colorbar_histogram.py
@@ -15,7 +15,7 @@
 
 # === Surface Data ===
 delta = 0.025
-x = y = np.arange(-3.0, 3.0, delta)
+x = y = np.arange(-2.0, 2.0, delta)
 X, Y = np.meshgrid(x, y)
 Z1 = np.exp(-((X+1)*1.3)**2 - ((Y+1)*1.3)**2)
 Z2 = 2.5*np.exp(-(X - 1)**2 - (Y - 1)**2)
@@ -30,7 +30,7 @@
 
 # === Main Plot ===
 fig, ax = plt.subplots()
-im = ax.imshow(Z, interpolation='bilinear', cmap=cmap,
+im = ax.imshow(Z, cmap=cmap,
                origin='lower', extent=[-3, 3, -3, 3],
                norm=norm)
 
@@ -42,8 +42,10 @@
 
 # === Plot Histogram ===
 midpoints = bins[:-1] + np.diff(bins) / 2
-bar_height = 1 / len(counts)
-cax.barh(midpoints, counts, height=np.median(np.diff(bins))*0.8, color=cmap(norm(midpoints)))
+height = np.median(np.diff(bins)) * 0.8
+colors = cmap(norm(midpoints))
+
+cax.barh(midpoints, counts, height=height, color=colors)
 
 # === Clean up ===
 cax.spines[:].set_visible(False)

From 767ec0e07a4f5f9c22902b6bdc8e000b266bbc79 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?L=C3=ADvia=20Lutz?=
 <108961867+livlutz@users.noreply.github.com>
Date: Tue, 27 May 2025 21:54:04 -0300
Subject: [PATCH 19/21] Update galleries/examples/color/colorbar_histogram.py

Co-authored-by: Tim Hoffmann <2836374+timhoffm@users.noreply.github.com>
---
 galleries/examples/color/colorbar_histogram.py | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/galleries/examples/color/colorbar_histogram.py b/galleries/examples/color/colorbar_histogram.py
index fc4271847b92..1c60ae6e3c9e 100644
--- a/galleries/examples/color/colorbar_histogram.py
+++ b/galleries/examples/color/colorbar_histogram.py
@@ -1,7 +1,7 @@
 """
-=========================
-Histogram as Colorbar
-=========================
+=====================
+Histogram as colorbar
+=====================
 
 This example demonstrates how to create a colorbar for an image and
 add a histogram of the data values alongside it. This is useful for

From fdb37d44076e923adf132043ae6627393ab04b6f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?L=C3=ADvia=20Lutz?=
 <108961867+livlutz@users.noreply.github.com>
Date: Wed, 28 May 2025 00:59:04 +0000
Subject: [PATCH 20/21] Remove unnecessary subplot adjustment for image
 positioning in colorbar histogram example

---
 galleries/examples/color/colorbar_histogram.py | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/galleries/examples/color/colorbar_histogram.py b/galleries/examples/color/colorbar_histogram.py
index 1c60ae6e3c9e..ecad38200b40 100644
--- a/galleries/examples/color/colorbar_histogram.py
+++ b/galleries/examples/color/colorbar_histogram.py
@@ -34,9 +34,6 @@
                origin='lower', extent=[-3, 3, -3, 3],
                norm=norm)
 
-# Adjust image position to allow space
-plt.subplots_adjust(right=0.78, top=0.92, bottom=0.08)
-
 # === Inset Histogram – Positioning adjusted ===
 cax = ax.inset_axes([1.18, 0.02, 0.25, 0.95])  # left, bottom, width, height
 

From 31cf67d02ca078a41818b110c7dd22bc1502808b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?L=C3=ADvia=20Lutz?=
 <108961867+livlutz@users.noreply.github.com>
Date: Fri, 30 May 2025 00:25:56 +0000
Subject: [PATCH 21/21] Remove trailing whitespace + adding new layout as
 constrained

---
 galleries/examples/color/colorbar_histogram.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/galleries/examples/color/colorbar_histogram.py b/galleries/examples/color/colorbar_histogram.py
index ecad38200b40..3c6cc6ef4dd4 100644
--- a/galleries/examples/color/colorbar_histogram.py
+++ b/galleries/examples/color/colorbar_histogram.py
@@ -29,7 +29,7 @@
 norm = mcolors.BoundaryNorm(bins, cmap.N)
 
 # === Main Plot ===
-fig, ax = plt.subplots()
+fig, ax = plt.subplots(layout="constrained")
 im = ax.imshow(Z, cmap=cmap,
                origin='lower', extent=[-3, 3, -3, 3],
                norm=norm)
@@ -51,7 +51,7 @@
 
 # === Axis labels ===
 cax.set_xlabel('Count', labelpad=10)
-cax.set_ylabel('Value', labelpad=6) 
+cax.set_ylabel('Value', labelpad=6)
 
 # === Ticks ===
 cax.set_yticks(bins)