Mercurial > octave-libtiff
comparison scripts/plot/draw/colorbar.m @ 19596:0e1f5a750d00
maint: Periodic merge of gui-release to default.
author | John W. Eaton <jwe@octave.org> |
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date | Tue, 20 Jan 2015 10:24:46 -0500 |
parents | 04a00ba54557 446c46af4b42 |
children | 4197fc428c7d |
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19592:37d37297acf8 | 19596:0e1f5a750d00 |
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60 ## Place the colorbar at the bottom of the plot. | 60 ## Place the colorbar at the bottom of the plot. |
61 ## @end table | 61 ## @end table |
62 ## | 62 ## |
63 ## To remove a colorbar from a plot use any one of the following keywords for | 63 ## To remove a colorbar from a plot use any one of the following keywords for |
64 ## the @var{delete_option}: @qcode{"delete"}, @qcode{"hide"}, @qcode{"off"}. | 64 ## the @var{delete_option}: @qcode{"delete"}, @qcode{"hide"}, @qcode{"off"}. |
65 ## | 65 ## |
66 ## If the argument @qcode{"peer"} is given, then the following argument is | 66 ## If the argument @qcode{"peer"} is given, then the following argument is |
67 ## treated as the axes handle in which to add the colorbar. Alternatively, | 67 ## treated as the axes handle in which to add the colorbar. Alternatively, |
68 ## If the first argument @var{hax} is an axes handle, then the colorbar is | 68 ## If the first argument @var{hax} is an axes handle, then the colorbar is |
69 ## added to this axis, rather than the current axes returned by @code{gca}. | 69 ## added to this axis, rather than the current axes returned by @code{gca}. |
70 ## | 70 ## |
76 ## | 76 ## |
77 ## The optional return value @var{h} is a graphics handle to the created | 77 ## The optional return value @var{h} is a graphics handle to the created |
78 ## colorbar object. | 78 ## colorbar object. |
79 ## | 79 ## |
80 ## Implementation Note: A colorbar is created as an additional axes to the | 80 ## Implementation Note: A colorbar is created as an additional axes to the |
81 ## current figure with the @qcode{"tag"} property set to @qcode{"colorbar"}. | 81 ## current figure with the @qcode{"tag"} property set to @qcode{"colorbar"}. |
82 ## The created axes object has the extra property @qcode{"location"} which | 82 ## The created axes object has the extra property @qcode{"location"} which |
83 ## controls the positioning of the colorbar. | 83 ## controls the positioning of the colorbar. |
84 ## @seealso{colormap} | 84 ## @seealso{colormap} |
85 ## @end deftypefn | 85 ## @end deftypefn |
86 | 86 |
147 # set (hcb, "location", loc); | 147 # set (hcb, "location", loc); |
148 # endif | 148 # endif |
149 # if (! isempty (args)) | 149 # if (! isempty (args)) |
150 # set (hcb, args{:}); | 150 # set (hcb, args{:}); |
151 # endif | 151 # endif |
152 ax = get (get (hcb, "parent"), "currrentaxes"); | 152 ax = get (get (hcb, "parent"), "currrentaxes"); |
153 endif | 153 endif |
154 endif | 154 endif |
155 | 155 |
156 if (isempty (loc)) | 156 if (isempty (loc)) |
157 loc = "eastoutside"; | 157 loc = "eastoutside"; |
158 endif | 158 endif |
159 if (isempty (ax)) | 159 if (isempty (ax)) |
160 ax = gca (); | 160 ax = gca (); |
178 set (ax, "activepositionproperty", "position"); | 178 set (ax, "activepositionproperty", "position"); |
179 obj = get (ax); | 179 obj = get (ax); |
180 obj.__cbar_hax__ = ax; | 180 obj.__cbar_hax__ = ax; |
181 position = obj.position; | 181 position = obj.position; |
182 ## FIXME: Should this be ancestor to accommodate hggroups? | 182 ## FIXME: Should this be ancestor to accommodate hggroups? |
183 hpar = get (ax, "parent"); | 183 hpar = get (ax, "parent"); |
184 clen = rows (get (hpar, "colormap")); | 184 clen = rows (get (hpar, "colormap")); |
185 cext = get (ax, "clim"); | 185 cext = get (ax, "clim"); |
186 cdiff = (cext(2) - cext(1)) / clen / 2; | 186 cdiff = (cext(2) - cext(1)) / clen / 2; |
187 cmin = cext(1) + cdiff; | 187 cmin = cext(1) + cdiff; |
188 cmax = cext(2) - cdiff; | 188 cmax = cext(2) - cdiff; |