def test_filename(self):
"""Check that custom filename works"""
custom_filename = "test_filename.png"
renderer = gj.Grass3dRenderer(filename=custom_filename)
# Add files to self for cleanup later
self.files.append(custom_filename)
renderer.render(elevation_map="elevation", color_map="elevation")
self.assertFileExists(custom_filename)
def test_hw(self):
"""Check that custom width and height works"""
renderer = gj.Grass3dRenderer(width=200, height=400)
renderer.render(elevation_map="elevation", color_map="elevation")
self.assertFileExists(renderer.filename)
def test_defaults(self):
"""Check that default settings work"""
renderer = gj.Grass3dRenderer()
renderer.render(elevation_map="elevation", color_map="elevation")
self.assertFileExists(renderer.filename)
def test_image_creation(self):
"""Check that show() works"""
renderer = gj.Grass3dRenderer()
renderer.render(elevation_map="elevation", color_map="elevation")
self.assertTrue(renderer.show(),
"Failed to create IPython Image object")
def test_shortcut_error(self):
"""Check that wrong screen backend fails"""
with self.assertRaisesRegex(ValueError, "does_not_exist"):
gj.Grass3dRenderer(screen_backend="does_not_exist")
def test_pyvirtualdisplay_backend(self):
"""Check that pyvirtualdisplay backend works"""
renderer = gj.Grass3dRenderer(screen_backend="pyvirtualdisplay")
renderer.render(elevation_map="elevation", color_map="elevation")
self.assertFileExists(renderer.filename)
def test_overlay(self):
"""Check that overlay works"""
renderer = gj.Grass3dRenderer()
renderer.render(elevation_map="elevation", color_map="elevation")
renderer.overlay.d_legend(raster="elevation", at=(60, 97, 87, 92))
self.assertFileExists(renderer.filename)