fix(ModflowUzf1): update load for iuzfopt = -1 (#1416)

* updates for plot_pathline()
* update(t034_test.py): update test_uzf_negative_iuzfopt for linux
* Close #1406

autotest/t034_test.py

@@ -627,21 +627,30 @@ def test_uzf_negative_iuzfopt():
     test_setup = FlopyTestSetup(verbose=True, test_dirs=model_ws)
 
     ml = flopy.modflow.Modflow(
+        modelname="uzf_neg",
         version="mfnwt",
-        exe_name="mfnwt.exe",
+        exe_name="mfnwt",
         model_ws=model_ws
     )
     dis = flopy.modflow.ModflowDis(
         ml,
         nper=2,
-        perlen=[1,1],
-        nstp=[1,1],
+        nlay=1,
+        nrow=10,
+        ncol=10,
+        top=10,
+        perlen=[1, 1],
+        nstp=[5, 5],
         tsmult=1,
-        steady=[True, False]
+        steady=[False, False]
+    )
+    bas = flopy.modflow.ModflowBas(ml, strt=9, ibound=1)
+    upw = flopy.modflow.ModflowUpw(
+        ml,
+        vka=0.1,
     )
-    bas = flopy.modflow.ModflowBas(ml)
-    upw = flopy.modflow.ModflowUpw(ml)
     oc = flopy.modflow.ModflowOc(ml)
+    nwt = flopy.modflow.ModflowNwt(ml, options="SIMPLE")
 
     uzf = flopy.modflow.ModflowUzf1(
         ml,
@@ -650,10 +659,36 @@ def test_uzf_negative_iuzfopt():
         irunflg=1,
         ietflg=1,
         irunbnd=1,
+        finf=1e-06,
+        pet=0.1,
+        extdp=0.2,
         specifysurfk=True,
         seepsurfk=True
     )
 
+    # uzf.write_file(os.path.join(model_ws, "uzf_neg.uzf"))
+
+    ml.write_input()
+    success, buff = ml.run_model()
+    if not success:
+        raise AssertionError("UZF model with -1 iuzfopt failed to run")
+
+    ml2 = flopy.modflow.Modflow.load(
+        "uzf_neg.nam",
+        version="mfnwt",
+        model_ws=model_ws
+    )
+
+    pet = ml2.uzf.pet.array
+    extpd = ml2.uzf.pet.array
+
+    if not np.max(pet) == np.min(pet) and np.max(pet) != 0.1:
+        raise AssertionError("Read error for iuzfopt less than 0")
+
+    if not np.max(extpd) == np.min(extpd) and np.max(extpd) != 0.2:
+        raise AssertionError("Read error for iuzfopt less than 0")
+
+
 if __name__ == "__main__":
     test_create_uzf()
     test_read_write_nwt_options()

flopy/modflow/mfuzf1.py

@@ -857,7 +857,11 @@ def write_transient(name):
                 write_transient("extdp")
                 if self.iuzfopt > 0:
                     write_transient("extwc")
-            if self.capillaryuzet and "nwt" in self.parent.version:
+            if (
+                self.capillaryuzet
+                and "nwt" in self.parent.version
+                and self.iuzfopt > 0
+            ):
                 write_transient("air_entry")
                 write_transient("hroot")
                 write_transient("rootact")
@@ -1049,7 +1053,7 @@ def load_util2d(name, dtype, per=None):
             if nuzf1 >= 0:
                 load_util2d("finf", np.float32, per=per)
 
-            if ietflg > 0 and iuzfopt > 0:
+            if ietflg > 0:
                 # dataset 11
                 line = line_parse(f.readline())
                 nuzf2 = pop_item(line, int)
@@ -1063,13 +1067,14 @@ def load_util2d(name, dtype, per=None):
                     # dataset 14
                     load_util2d("extdp", np.float32, per=per)
                 # dataset 15
-                line = line_parse(f.readline())
-                nuzf4 = pop_item(line, int)
-                if nuzf4 >= 0:
-                    # dataset 16
-                    load_util2d("extwc", np.float32, per=per)
+                if iuzfopt > 0:
+                    line = line_parse(f.readline())
+                    nuzf4 = pop_item(line, int)
+                    if nuzf4 >= 0:
+                        # dataset 16
+                        load_util2d("extwc", np.float32, per=per)
 
-                if capillaryuzet:
+                if capillaryuzet and iuzfopt > 0:
                     # dataset 17
                     line = line_parse(f.readline())
                     nuzf5 = pop_item(line, int)

flopy/plot/crosssection.py

@@ -1038,7 +1038,11 @@ def plot_pathline(
 
         # make sure pathlines is a list
         if not isinstance(pl, list):
-            pl = [pl]
+            pids = np.unique(pl["particleid"])
+            if len(pids) > 1:
+                pl = [pl[pl["particleid"] == pid] for pid in pids]
+            else:
+                pl = [pl]
 
         marker = kwargs.pop("marker", None)
         markersize = kwargs.pop("markersize", None)

flopy/plot/map.py

@@ -809,6 +809,9 @@ def plot_pathline(self, pl, travel_time=None, **kwargs):
                     color=markercolor,
                     ms=markersize,
                 )
+
+        ax.set_xlim(self.extent[0], self.extent[1])
+        ax.set_ylim(self.extent[2], self.extent[3])
         return lc
 
     def plot_timeseries(self, ts, travel_time=None, **kwargs):

flopy/plot/plotutil.py

@@ -2789,6 +2789,8 @@ def reproject_modpath_to_crosssection(
             while tcell >= ncpl:
                 tcell -= ncpl
             line = xypts[tcell]
+            if len(line) < 2:
+                continue
             if projection == "x":
                 d0 = np.min([i[0] for i in projpts[cell]])
             else: