Merge pull request #364 from plotly/add_quality_and_zmin_parameter_to_improve_elapsed_time_working_with_steamtube_function

add quality and zmin parameter to improve elapsed time working with steamtube function

Author: gilbertogalvis

plotly/plotly_aux/plotly.m

@@ -10,7 +10,7 @@
 %
 % For full documentation and examples, see https://plot.ly/api
 origin = 'plot';
-offline = true;
+offline = false;
 struct_provided = false;
 
 if isstruct(varargin{end})

plotly/plotlyfig.m

@@ -57,6 +57,8 @@
             obj.PlotOptions.AspectRatio = [];
             obj.PlotOptions.CameraEye = [];
             obj.PlotOptions.is_headmap_axis = false;
+            obj.PlotOptions.Quality = -1;
+            obj.PlotOptions.Zmin = [];
 
             % offline options
             obj.PlotOptions.Offline = true;
@@ -224,6 +226,12 @@
                         if(strcmpi(varargin{a},'CameraEye'))
                             obj.PlotOptions.CameraEye = varargin{a+1};
                         end
+                        if(strcmpi(varargin{a},'Quality'))
+                            obj.PlotOptions.Quality = varargin{a+1};
+                        end
+                        if(strcmpi(varargin{a},'Zmin'))
+                            obj.PlotOptions.Zmin = varargin{a+1};
+                        end
                     end
             end
 

plotly/plotlyfig_aux/handlegraphics/updateStreamtube.m

@@ -1,7 +1,7 @@
 function obj = updateStreamtube(obj, surfaceIndex)
-if strcmpi(obj.State.Plot(surfaceIndex).Class, 'surface')
+  if strcmpi(obj.State.Plot(surfaceIndex).Class, 'surface')
     updateSurfaceStreamtube(obj, surfaceIndex)
-end
+  end
 end
 
 function updateSurfaceStreamtube(obj, surfaceIndex)
@@ -38,28 +38,45 @@ function updateSurfaceStreamtube(obj, surfaceIndex)
 
 %---------------------------------------------------------------------%
 
-%-format x an y data-%
-ymax = 100;
+%-getting plot data-%
 x = image_data.XData;
 y = image_data.YData;
 z = image_data.ZData;
 cdata = image_data.CData;
 
-ysize = size(x,1);
-xsize = size(x,2);
+%-playing with level quality-%
+quality = obj.PlotOptions.Quality/100;
+apply_quality = quality > 0;
 
-if ysize > ymax
-    ystep = round(ysize/ymax);
-    x = x(1:ystep:end, :);
-    y = y(1:ystep:end, :);
-    z = z(1:ystep:end, :);
-    cdata = cdata(1:ystep:end, :);
-end 
+if apply_quality
+    x = imresize(x, quality);
+    y = imresize(y, quality);
+    z = imresize(z, quality);
+    cdata = imresize(cdata, quality);
+end
 
-if isvector(x)
-    [x, y] = meshgrid(x,y);
+if ~isempty(obj.PlotOptions.Zmin)
+    if any(z < obj.PlotOptions.Zmin)
+        return;
+    end
 end
 
+xymax = 100;
+xsize = size(x,2);
+ysize = size(x,1);
+
+xsize = min([xsize, xymax]);
+ysize = min([ysize, xymax]);
+x = imresize(x, [ysize, xsize]);
+y = imresize(y, [ysize, xsize]);
+z = imresize(z, [ysize, xsize]);
+cdata = imresize(cdata, [ysize, xsize]);
+
+%-optional-%
+% if isvector(x)
+%     [x, y] = meshgrid(x,y);
+% end
+
 %---------------------------------------------------------------------%
 
 %-surface x-%
@@ -105,6 +122,59 @@ function updateSurfaceStreamtube(obj, surfaceIndex)
 obj.data{surfaceIndex}.contours.y.show = true;
 obj.data{surfaceIndex}.contours.y.color = 'black';
 
+%------------------------------------------------------------------------%
+
+%-get data-%
+
+%-aspect ratio-%
+ar = obj.PlotOptions.AspectRatio;
+
+if ~isempty(ar)
+  if ischar(ar)
+    scene.aspectmode = ar;
+  elseif isvector(ar) && length(ar) == 3
+    xar = ar(1);
+    yar = ar(2);
+    zar = ar(3);
+  end
+  else
+
+  %-define as default-%
+  xar = 0.5*max(x(:));
+  yar = 0.5*max(y(:));
+  zar = 0.4*max([xar, yar]);
+end
+
+scene.aspectratio.x = xar; 
+scene.aspectratio.y = yar; 
+scene.aspectratio.z = zar; 
+
+%---------------------------------------------------------------------%
+
+%-camera eye-%
+ey = obj.PlotOptions.CameraEye;
+
+if ~isempty(ey)
+if isvector(ey) && length(ey) == 3
+  scene.camera.eye.x = ey(1);
+  scene.camera.eye.y = ey(2);
+  scene.camera.eye.z = ey(3);
+end
+else
+
+%-define as default-%
+fac = 0.35;
+xey = - xar; if xey>0 xfac = -fac; else xfac = fac; end
+yey = - yar; if yey>0 yfac = -fac; else yfac = fac; end
+if zar>0 zfac = fac; else zfac = -fac; end
+
+scene.camera.eye.x = xey + xfac*xey; 
+scene.camera.eye.y = yey + yfac*yey;
+scene.camera.eye.z = zar + zfac*zar;
+end
+
+obj.layout = setfield(obj.layout,['scene'], scene);
+
 %-------------------------------------------------------------------------%
 
 %-image colorscale-%