deploy: a8cfb56

_downloads/4a143ec15d1fb171eec89ca2df70cc01/gmsh-basic.ipynb

@@ -76,7 +76,7 @@
       "cell_type": "markdown",
       "metadata": {},
       "source": [
-        "Gmsh allows for specifying cell sizes not just on polygons (regions) like\nTriangle (left), but on individual vertices as well, as is visible around the\ndiagonal (right).\n\n## Defaults\n\nThe GmshMesher class is initialized with a number of default parameters:\n\n"
+        "Gmsh allows for specifying cell sizes in a more flexible way. Triangle (left)\nonly supports polygons (regions) with fixed cell sizes and explicitly placed\nvertices. Gmsh is capable of forcing refinement in a larger zone around\nfeatures as is visible around the diagonal (right).\n\n## Defaults\n\nThe GmshMesher class is initialized with a number of default parameters:\n\n"
       ]
     },
     {

_downloads/901731ce545f172d35561b334a49dd37/triangle-basic.py

@@ -170,6 +170,23 @@
 pm.plot(vertices, triangles, ax=ax)
 gdf.plot(facecolor="none", edgecolor="red", ax=ax)
 
+# %%
+# Specify cell size along line string
+# -----------------------------------
+#
+# Finally, we may also specify the cell size along the line.
+
+line = sg.LineString([(2.0, 8.0), (8.0, 2.0)])
+gdf = gpd.GeoDataFrame(geometry=[polygon, line])
+gdf["cellsize"] = [2.0, 0.5]
+
+fig, ax = plt.subplots()
+
+mesher = pm.TriangleMesher(gdf)
+vertices, triangles = mesher.generate()
+pm.plot(vertices, triangles, ax=ax)
+gdf.plot(facecolor="none", edgecolor="red", ax=ax)
+
 # %%
 # Conclusion
 # ----------

_downloads/b2f739ff5661dbbdc862aeef3d14c095/gmsh-basic.py

@@ -66,9 +66,10 @@
 pm.plot(vertices, triangles, ax=ax1)
 
 # %%
-# Gmsh allows for specifying cell sizes not just on polygons (regions) like
-# Triangle (left), but on individual vertices as well, as is visible around the
-# diagonal (right).
+# Gmsh allows for specifying cell sizes in a more flexible way. Triangle (left)
+# only supports polygons (regions) with fixed cell sizes and explicitly placed
+# vertices. Gmsh is capable of forcing refinement in a larger zone around
+# features as is visible around the diagonal (right).
 #
 # Defaults
 # --------

_downloads/c93ce4bc3dd147e1f4354d872a3387a0/triangle-basic.ipynb

@@ -216,6 +216,24 @@
         "line = sg.LineString(\n    [\n        [9.0, 2.0],\n        [9.0, 8.0],\n    ]\n)\ngdf = gpd.GeoDataFrame(geometry=[donut, refined, line, *points])\ngdf[\"cellsize\"] = [2.0, 0.5, np.nan] + (len(points) * [np.nan])\n\nmesher = pm.TriangleMesher(gdf)\nvertices, triangles = mesher.generate()\n\nfig, ax = plt.subplots()\npm.plot(vertices, triangles, ax=ax)\ngdf.plot(facecolor=\"none\", edgecolor=\"red\", ax=ax)"
       ]
     },
+    {
+      "cell_type": "markdown",
+      "metadata": {},
+      "source": [
+        "## Specify cell size along line string\n\nFinally, we may also specify the cell size along the line.\n\n"
+      ]
+    },
+    {
+      "cell_type": "code",
+      "execution_count": null,
+      "metadata": {
+        "collapsed": false
+      },
+      "outputs": [],
+      "source": [
+        "line = sg.LineString([(2.0, 8.0), (8.0, 2.0)])\ngdf = gpd.GeoDataFrame(geometry=[polygon, line])\ngdf[\"cellsize\"] = [2.0, 0.5]\n\nfig, ax = plt.subplots()\n\nmesher = pm.TriangleMesher(gdf)\nvertices, triangles = mesher.generate()\npm.plot(vertices, triangles, ax=ax)\ngdf.plot(facecolor=\"none\", edgecolor=\"red\", ax=ax)"
+      ]
+    },
     {
       "cell_type": "markdown",
       "metadata": {},

_sources/examples/gmsh-basic.rst.txt

@@ -103,6 +103,13 @@ in the appropriate manner for Gmsh.
    :class: sphx-glr-single-img
 
 
+.. rst-class:: sphx-glr-script-out
+
+ .. code-block:: none
+
+    /home/runner/work/pandamesh/pandamesh/pandamesh/common.py:82: FutureWarning: RangeIndex.is_integer is deprecated. Use pandas.api.types.is_integer_dtype instead.
+      if not features.index.is_integer():
+
 
 
 
@@ -140,21 +147,31 @@ and whistles for defining cellsizes.
    :class: sphx-glr-single-img
 
 
+.. rst-class:: sphx-glr-script-out
+
+ .. code-block:: none
 
+    /home/runner/work/pandamesh/pandamesh/pandamesh/common.py:82: FutureWarning: RangeIndex.is_integer is deprecated. Use pandas.api.types.is_integer_dtype instead.
+      if not features.index.is_integer():
+    /home/runner/work/pandamesh/pandamesh/pandamesh/common.py:82: FutureWarning: RangeIndex.is_integer is deprecated. Use pandas.api.types.is_integer_dtype instead.
+      if not features.index.is_integer():
 
 
-.. GENERATED FROM PYTHON SOURCE LINES 69-77
 
-Gmsh allows for specifying cell sizes not just on polygons (regions) like
-Triangle (left), but on individual vertices as well, as is visible around the
-diagonal (right).
+
+.. GENERATED FROM PYTHON SOURCE LINES 69-78
+
+Gmsh allows for specifying cell sizes in a more flexible way. Triangle (left)
+only supports polygons (regions) with fixed cell sizes and explicitly placed
+vertices. Gmsh is capable of forcing refinement in a larger zone around
+features as is visible around the diagonal (right).
 
 Defaults
 --------
 
 The GmshMesher class is initialized with a number of default parameters:
 
-.. GENERATED FROM PYTHON SOURCE LINES 77-80
+.. GENERATED FROM PYTHON SOURCE LINES 78-81
 
 .. code-block:: Python
 
@@ -176,7 +193,7 @@ The GmshMesher class is initialized with a number of default parameters:
         fields = Empty GeoDataFrame
     Columns: []
     Index: []
-        tmpdir = <TemporaryDirectory '/tmp/tmp76as3hlo'>
+        tmpdir = <TemporaryDirectory '/tmp/tmp4o9loswg'>
         recombine_all = False
         mesh_size_extend_from_boundary = True
         mesh_size_from_points = True
@@ -189,7 +206,7 @@ The GmshMesher class is initialized with a number of default parameters:
 
 
 
-.. GENERATED FROM PYTHON SOURCE LINES 81-88
+.. GENERATED FROM PYTHON SOURCE LINES 82-89
 
 The parameters of Gmsh differ from Triangle, but they work the same: they can
 be altered after initialization to control the triangulation.
@@ -199,7 +216,7 @@ Forcing points, lines, local refinement
 
 We can force points and lines into the triangulation:
 
-.. GENERATED FROM PYTHON SOURCE LINES 88-115
+.. GENERATED FROM PYTHON SOURCE LINES 89-116
 
 .. code-block:: Python
 
@@ -243,12 +260,14 @@ We can force points and lines into the triangulation:
 
  .. code-block:: none
 
+    /home/runner/work/pandamesh/pandamesh/pandamesh/common.py:82: FutureWarning: RangeIndex.is_integer is deprecated. Use pandas.api.types.is_integer_dtype instead.
+      if not features.index.is_integer():
 
     <Axes: >
 
 
 
-.. GENERATED FROM PYTHON SOURCE LINES 116-122
+.. GENERATED FROM PYTHON SOURCE LINES 117-123
 
 Quadrilateral meshes
 --------------------
@@ -257,7 +276,7 @@ One of the features of Gmsh is that it is also capable of generating
 quadrilateral (dominant) meshes, by recombining triangles. We can achieve
 this by changing a parameter on the mesher:
 
-.. GENERATED FROM PYTHON SOURCE LINES 122-131
+.. GENERATED FROM PYTHON SOURCE LINES 123-132
 
 .. code-block:: Python
 
@@ -279,18 +298,25 @@ this by changing a parameter on the mesher:
    :class: sphx-glr-single-img
 
 
+.. rst-class:: sphx-glr-script-out
+
+ .. code-block:: none
+
+    /home/runner/work/pandamesh/pandamesh/pandamesh/common.py:82: FutureWarning: RangeIndex.is_integer is deprecated. Use pandas.api.types.is_integer_dtype instead.
+      if not features.index.is_integer():
+
 
 
 
-.. GENERATED FROM PYTHON SOURCE LINES 132-137
+.. GENERATED FROM PYTHON SOURCE LINES 133-138
 
 Writing to file
 ---------------
 It's also possible to use the Python bindings to write a Gmsh ``.msh`` file.
 This file can be opened using the Gmsh GUI to e.g. inspect the generated
 mesh.
 
-.. GENERATED FROM PYTHON SOURCE LINES 137-140
+.. GENERATED FROM PYTHON SOURCE LINES 138-141
 
 .. code-block:: Python
 
@@ -304,7 +330,7 @@ mesh.
 
 
 
-.. GENERATED FROM PYTHON SOURCE LINES 141-150
+.. GENERATED FROM PYTHON SOURCE LINES 142-151
 
 Conclusion
 ----------
@@ -319,7 +345,7 @@ polygons.
 
 .. rst-class:: sphx-glr-timing
 
-   **Total running time of the script:** (0 minutes 0.361 seconds)
+   **Total running time of the script:** (0 minutes 0.355 seconds)
 
 
 .. _sphx_glr_download_examples_gmsh-basic.py:

_sources/examples/sg_execution_times.rst.txt

@@ -6,7 +6,7 @@
 
 Computation times
 =================
-**00:01.541** total execution time for 3 files **from examples**:
+**00:01.613** total execution time for 3 files **from examples**:
 
 .. container::
 
@@ -33,11 +33,11 @@ Computation times
      - Time
      - Mem (MB)
    * - :ref:`sphx_glr_examples_triangle-basic.py` (``triangle-basic.py``)
-     - 00:00.632
+     - 00:00.708
      - 0.0
    * - :ref:`sphx_glr_examples_triangle-geospatial.py` (``triangle-geospatial.py``)
-     - 00:00.548
+     - 00:00.550
      - 0.0
    * - :ref:`sphx_glr_examples_gmsh-basic.py` (``gmsh-basic.py``)
-     - 00:00.361
+     - 00:00.355
      - 0.0

_sources/examples/triangle-basic.rst.txt

@@ -100,6 +100,13 @@ in the appropriate manner for triangle.
    :class: sphx-glr-single-img
 
 
+.. rst-class:: sphx-glr-script-out
+
+ .. code-block:: none
+
+    /home/runner/work/pandamesh/pandamesh/pandamesh/common.py:82: FutureWarning: RangeIndex.is_integer is deprecated. Use pandas.api.types.is_integer_dtype instead.
+      if not features.index.is_integer():
+
 
 
 
@@ -188,6 +195,13 @@ recreate the mesher.
    :class: sphx-glr-single-img
 
 
+.. rst-class:: sphx-glr-script-out
+
+ .. code-block:: none
+
+    /home/runner/work/pandamesh/pandamesh/pandamesh/common.py:82: FutureWarning: RangeIndex.is_integer is deprecated. Use pandas.api.types.is_integer_dtype instead.
+      if not features.index.is_integer():
+
 
 
 
@@ -227,6 +241,13 @@ with a cell size in the geodataframe.
    :class: sphx-glr-single-img
 
 
+.. rst-class:: sphx-glr-script-out
+
+ .. code-block:: none
+
+    /home/runner/work/pandamesh/pandamesh/pandamesh/common.py:82: FutureWarning: RangeIndex.is_integer is deprecated. Use pandas.api.types.is_integer_dtype instead.
+      if not features.index.is_integer():
+
 
 
 
@@ -262,6 +283,13 @@ Holes in polygons work as expected:
    :class: sphx-glr-single-img
 
 
+.. rst-class:: sphx-glr-script-out
+
+ .. code-block:: none
+
+    /home/runner/work/pandamesh/pandamesh/pandamesh/common.py:82: FutureWarning: RangeIndex.is_integer is deprecated. Use pandas.api.types.is_integer_dtype instead.
+      if not features.index.is_integer():
+
 
 
 
@@ -297,6 +325,13 @@ exactly with the coordinates of the exterior boundary of the inner polygon.
    :class: sphx-glr-single-img
 
 
+.. rst-class:: sphx-glr-script-out
+
+ .. code-block:: none
+
+    /home/runner/work/pandamesh/pandamesh/pandamesh/common.py:82: FutureWarning: RangeIndex.is_integer is deprecated. Use pandas.api.types.is_integer_dtype instead.
+      if not features.index.is_integer():
+
 
 
 
@@ -369,6 +404,8 @@ contents of the geodataframe on top of the generated mesh:
 
  .. code-block:: none
 
+    /home/runner/work/pandamesh/pandamesh/pandamesh/common.py:82: FutureWarning: RangeIndex.is_integer is deprecated. Use pandas.api.types.is_integer_dtype instead.
+      if not features.index.is_integer():
 
     <Axes: >
 
@@ -416,12 +453,57 @@ x = 9.0.
 
  .. code-block:: none
 
+    /home/runner/work/pandamesh/pandamesh/pandamesh/common.py:82: FutureWarning: RangeIndex.is_integer is deprecated. Use pandas.api.types.is_integer_dtype instead.
+      if not features.index.is_integer():
+
+    <Axes: >
+
+
+
+.. GENERATED FROM PYTHON SOURCE LINES 174-178
+
+Specify cell size along line string
+-----------------------------------
+
+Finally, we may also specify the cell size along the line.
+
+.. GENERATED FROM PYTHON SOURCE LINES 178-190
+
+.. code-block:: Python
+
+
+    line = sg.LineString([(2.0, 8.0), (8.0, 2.0)])
+    gdf = gpd.GeoDataFrame(geometry=[polygon, line])
+    gdf["cellsize"] = [2.0, 0.5]
+
+    fig, ax = plt.subplots()
+
+    mesher = pm.TriangleMesher(gdf)
+    vertices, triangles = mesher.generate()
+    pm.plot(vertices, triangles, ax=ax)
+    gdf.plot(facecolor="none", edgecolor="red", ax=ax)
+
+
+
+
+.. image-sg:: /examples/images/sphx_glr_triangle-basic_010.png
+   :alt: triangle basic
+   :srcset: /examples/images/sphx_glr_triangle-basic_010.png
+   :class: sphx-glr-single-img
+
+
+.. rst-class:: sphx-glr-script-out
+
+ .. code-block:: none
+
+    /home/runner/work/pandamesh/pandamesh/pandamesh/common.py:82: FutureWarning: RangeIndex.is_integer is deprecated. Use pandas.api.types.is_integer_dtype instead.
+      if not features.index.is_integer():
 
     <Axes: >
 
 
 
-.. GENERATED FROM PYTHON SOURCE LINES 174-181
+.. GENERATED FROM PYTHON SOURCE LINES 191-198
 
 Conclusion
 ----------
@@ -434,7 +516,7 @@ sizes, and linestrings and points to steer the triangulation.
 
 .. rst-class:: sphx-glr-timing
 
-   **Total running time of the script:** (0 minutes 0.632 seconds)
+   **Total running time of the script:** (0 minutes 0.708 seconds)
 
 
 .. _sphx_glr_download_examples_triangle-basic.py: