Minor changes

Clearer comments in prepare_inputs_polar_samsrf.m and improved plotting
in spm_prf_editor.m

.gitignore

@@ -1,3 +1,4 @@
+local/
 GLM/
 example_3T/scripts/onsets.mat
 

example_3T/scripts/prepare_inputs_polar_samsrf.m

@@ -1,9 +1,16 @@
 function U = prepare_inputs_polar_samsrf(ApFrm,TR)
-% Returns coordinates of pixels of the screen stimulated at each time point
+% Produces the input structure needed for spm_prf_analyse() given a 3D
+% stimuli matrix with dimensions [x,y,t].
 %
-% P           - [x,y,t] matrix
+% Inputs:
+%
+% ApFrm       - [x,y,t] binary matrix indiciating which pixel locations
+%               were illuminated at each time point t
 % TR          - Scanner repetition time (TR)
-% num_session - Which session to use
+%
+% Returns:
+%
+% U           - Input structure to feed to spm_prf_analyse.m
 
 % Settings
 nmicrotime    = 16;     % Bins per TR

toolbox/spm_prf_editor.m

@@ -350,7 +350,7 @@ function display_PRF(varargin)
 
 % List X,Y stimulus coordinates
 pmax = PRF.M.pmax;
-x_bins = -(pmax/2):(pmax/2);
+x_bins = -(pmax/2):0.1:(pmax/2);
 y_bins = x_bins;
 b      = length(x_bins);
 [x2,y2] = meshgrid(x_bins,y_bins);
@@ -365,6 +365,7 @@ function display_PRF(varargin)
 cla;
 h = imagesc(z_post);
 axis square;
+colormap jet;
 colorbar;
 if ~isempty(mask), set(h,'AlphaData',mask); end
 title('PRF','FontSize',16);
@@ -385,6 +386,7 @@ function display_PRF(varargin)
     h = imagesc(pd);
     title('PRF with uncertainty','FontSize',16);
     axis square;
+    colormap jet;
     colorbar;
     if ~isempty(mask), set(h,'AlphaData',mask); end
     set(gca,'YDir','normal','XTick',1:10:b,'YTick',1:10:b);