fix paraview waves (WEC-Sim#1525)

Author: jtgrasb

source/functions/paraview/paraviewVisualization.m

@@ -61,7 +61,7 @@
         end
     end
     % all
-    writeParaviewResponse(bodies, TimeBodyParav, modelName, datestr(simu.date), waves.type, simu.numMoorDyn, simu.paraview.path);
+    writeParaviewResponse(bodies, TimeBodyParav, modelName, datestr(simu.date), char(waves.type), simu.numMoorDyn, simu.paraview.path);
     clear bodies fid filename
 end
 clear body*_hspressure_out body*_wavenonlinearpressure_out body*_wavelinearpressure_out  hspressure wpressurenl wpressurel cellareas bodyname NewTimeParaview PositionBodyParav TimeBodyParav vtkbodiesii

source/functions/paraview/writeParaviewWave.m

@@ -53,7 +53,7 @@ function writeParaviewWave(waves, t, numPointsX, numPointsY, domainSize, model,
     fprintf(fid, '<?xml version="1.0"?>\n');
     fprintf(fid, ['<!-- WEC-Sim Visualization using ParaView -->\n']);
     fprintf(fid, ['<!--   model: ' model ' - ran on ' simdate ' -->\n']);
-    fprintf(fid, ['<!--   wave:  ' waves.type ' -->\n']);
+    fprintf(fid, ['<!--   wave:  ' char(waves.type) ' -->\n']);
     fprintf(fid, ['<!--   time:  ' num2str(TimeBodyParav(it)) ' -->\n']);
     fprintf(fid, '<VTKFile type="PolyData" version="0.1">\n');
     fprintf(fid, '  <PolyData>\n');