Ref/tdem testing

.travis.yml

@@ -50,10 +50,6 @@ before_install:
   - ./miniconda.sh -b -p $HOME/miniconda
   - export PATH=/home/travis/anaconda/bin:/home/travis/miniconda/bin:$PATH
   - conda update --yes conda
-  - echo $PWD
-  - ls $PWD
-  - echo $TRAVIS_BUILD_DIR
-  - ls $TRAVIS_BUILD_DIR
 
 install:
   - if [ ${TRAVIS_PYTHON_VERSION:0:1} == "2" ]; then

SimPEG/Problem.py

@@ -123,7 +123,15 @@ def unpair(self):
     deleteTheseOnModelUpdate = []
 
     @properties.observer('model')
-    def _on_model_update(self, value):
+    def _on_model_update(self, change):
+        if change['previous'] is change['value']:
+            return
+        if (
+            isinstance(change['previous'], np.ndarray) and
+            isinstance(change['value'], np.ndarray) and
+            np.allclose(change['previous'], change['value'])
+        ):
+            return
         for prop in self.deleteTheseOnModelUpdate:
             if hasattr(self, prop):
                 delattr(self, prop)

examples/04-grav/plot_laguna_del_maule_inversion.py

@@ -13,6 +13,7 @@
 """
 import os
 import shutil
+import tarfile
 import SimPEG.PF as PF
 from SimPEG import Maps, Regularization, Optimization, DataMisfit,\
                    InvProblem, Directives, Inversion
@@ -24,15 +25,16 @@
 def run(plotIt=True, cleanAfterRun=True):
 
     # Start by downloading files from the remote repository
-    url = "https://storage.googleapis.com/simpeg/Chile_GRAV_4_Miller/"
-    cloudfiles = [
-        'LdM_grav_obs.grv', 'LdM_mesh.mesh',
-        'LdM_topo.topo', 'LdM_input_file.inp'
-    ]
-
-    # Download to Downloads/SimPEGtemp
-    basePath = os.path.expanduser('~/Downloads/simpegtemp')
-    download([url+f for f in cloudfiles], folder=basePath, overwrite=True)
+    # directory where the downloaded files are
+
+    url = "https://storage.googleapis.com/simpeg/Chile_GRAV_4_Miller/Chile_GRAV_4_Miller.tar.gz"
+    downloads = download(url, overwrite=True)
+    basePath = downloads.split(".")[0]
+
+    # unzip the tarfile
+    tar = tarfile.open(downloads, "r")
+    tar.extractall()
+    tar.close()
 
     input_file = basePath + os.path.sep + 'LdM_input_file.inp'
     # %% User input

tests/em/static/test_DC_jvecjtvecadj.py

@@ -130,7 +130,8 @@ def test_misfit(self):
                 self.survey.dpred(m), lambda mx: self.p.Jvec(self.m0, mx)
             ],
             self.m0,
-            plotIt=False
+            plotIt=False,
+            num=3
         )
         self.assertTrue(passed)
 
@@ -149,7 +150,8 @@ def test_dataObj(self):
         passed = Tests.checkDerivative(
             lambda m: [self.dmis(m), self.dmis.deriv(m)],
             self.m0,
-            plotIt=False
+            plotIt=False,
+            num=3
         )
         self.assertTrue(passed)