Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Jump to bottom

Use subplots, fix #230 #233

Closed
wants to merge 1 commit into from
Closed

Use subplots, fix #230 #233

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
30 changes: 15 additions & 15 deletions 03-spatial-operations.qmd
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -1184,33 +1184,33 @@ The code section is relatively long due to the workaround to create a color key

```{python}
#| label: fig-raster-slope
#| fig-cap: Slope and aspect calculation from a DEM
#| layout-ncol: 3
#| fig-subcap:
#| - Input DEM
#| - Slope (degrees)
#| - Aspect (degrees)
#| fig-cap: Slope and aspect calculation from a digital elevation model (DEM), showing the input DEM (left), slope (center), and aspect (right).
# Input DEM
fig, axes = plt.subplots(nrows=1, ncols=3, figsize=(7.5, 2.55))

# Input DEM
src_srtm = rasterio.open('output/srtm_32612.tif')
srtm = src_srtm.read(1).astype(float)
srtm[srtm == src_srtm.nodata] = np.nan
fig, ax = plt.subplots()
rasterio.plot.show(src_srtm, cmap='Spectral_r', ax=ax)
fig.colorbar(ax.imshow(srtm, cmap='Spectral_r'), ax=ax);
axes[0].imshow(srtm, cmap='Spectral_r')
axes[0].set_title('Input DEM')

# Slope
src_srtm_slope = rasterio.open('output/srtm_32612_slope.tif')
srtm_slope = src_srtm_slope.read(1)
srtm_slope[srtm_slope == src_srtm_slope.nodata] = np.nan
fig, ax = plt.subplots()
rasterio.plot.show(src_srtm_slope, cmap='Spectral_r', ax=ax)
fig.colorbar(ax.imshow(srtm_slope, cmap='Spectral_r'), ax=ax);
axes[1].imshow(srtm_slope, cmap='Spectral_r')
axes[1].set_title('Slope')

# Aspect
src_srtm_aspect = rasterio.open('output/srtm_32612_aspect.tif')
srtm_aspect = src_srtm_aspect.read(1)
srtm_aspect[srtm_aspect == src_srtm_aspect.nodata] = np.nan
fig, ax = plt.subplots()
rasterio.plot.show(src_srtm_aspect, cmap='twilight', ax=ax)
fig.colorbar(ax.imshow(srtm_aspect, cmap='twilight'), ax=ax);
axes[2].imshow(srtm_aspect, cmap='twilight')
axes[2].set_title('Aspect')

plt.tight_layout()
plt.show()
```

### Zonal operations {#sec-zonal-operations}
Expand Down
Loading