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check for empty geometry when plotting #999

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Merged
merged 1 commit into from
Mar 25, 2022
Merged

check for empty geometry when plotting #999

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15 changes: 14 additions & 1 deletion src/ansys/mapdl/core/mapdl.py
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Original file line number Diff line number Diff line change
Expand Up @@ -1061,6 +1061,12 @@ def vplot(

if vtk:
kwargs.setdefault("title", "MAPDL Volume Plot")
if not self.geometry.n_volu:
warnings.warn(
"Either no volumes have been selected or there is nothing to plot."
)
return general_plotter([], [], [], **kwargs)

cm_name = "__tmp_area2__"
self.cm(cm_name, "AREA", mute=True)
self.aslv("S", mute=True) # select areas attached to active volumes
Expand Down Expand Up @@ -1178,6 +1184,13 @@ def aplot(
kwargs.setdefault("show_scalar_bar", False)
kwargs.setdefault("title", "MAPDL Area Plot")
kwargs.setdefault("scalar_bar_args", {"title": "Scalar Bar Title"})

if not self.geometry.n_area:
warnings.warn(
"Either no areas have been selected or there is nothing to plot."
)
return general_plotter([], [], [], **kwargs)

if quality > 10:
quality = 10
if quality < 1:
Expand Down Expand Up @@ -1367,7 +1380,7 @@ def lplot(
kwargs.setdefault("title", "MAPDL Line Plot")
if not self.geometry.n_line:
warnings.warn(
"Either no lines have been selected or there " "is nothing to plot"
"Either no lines have been selected or there is nothing to plot."
)
return general_plotter([], [], [], **kwargs)

Expand Down
20 changes: 13 additions & 7 deletions src/ansys/mapdl/core/mapdl_geometry.py
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Original file line number Diff line number Diff line change
Expand Up @@ -221,7 +221,8 @@ def areas(self, quality=4, merge=False):
@supress_logging
@run_as_prep7
def generate_surface(self, density=4, amin=None, amax=None, ninc=None):
"""Generate an all-triangular surface of the active surfaces.
"""
Generate an all-triangular surface of the active surfaces.

Parameters
----------
Expand Down Expand Up @@ -325,7 +326,8 @@ def generate_surface(self, density=4, amin=None, amax=None, ninc=None):

@property
def n_volu(self):
"""Number of volumes currently selected
"""
Number of volumes currently selected.

Examples
--------
Expand All @@ -336,7 +338,8 @@ def n_volu(self):

@property
def n_area(self):
"""Number of areas currently selected
"""
Number of areas currently selected.

Examples
--------
Expand All @@ -347,7 +350,8 @@ def n_area(self):

@property
def n_line(self):
"""Number of lines currently selected
"""
Number of lines currently selected.

Examples
--------
Expand All @@ -358,7 +362,8 @@ def n_line(self):

@property
def n_keypoint(self):
"""Number of keypoints currently selected
"""
Number of keypoints currently selected.

Examples
--------
Expand All @@ -369,12 +374,13 @@ def n_keypoint(self):

@supress_logging
def _item_count(self, entity):
"""Return item count for a given entity"""
"""Return item count for a given entity."""
return int(self._mapdl.get(entity=entity, item1="COUNT"))

@property
def knum(self):
"""Array of keypoint numbers.
"""
Array of keypoint numbers.

Examples
--------
Expand Down