Difference between revisions of "Template:ImageTG"

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<includeonly><!--
 
<includeonly><!--
** First store values for 100% scaling: **
+
** First store values for 100% scaling (note: both parts of #if: are evaluated, so vardefine can never be inside an expression!)  **
-->{{#ifexpr:{{#pos:{{{1}}}|_10x.}} |<!--then-->{{#vardefine:tgpx1|589}}{{#vardefine:tglabel|200 µm}} }}<!--
+
-->{{
-->{{#ifexpr:{{#pos:{{{1}}}|_20x.}} |<!--then-->{{#vardefine:tgpx1|589}}{{#vardefine:tglabel|100 µm}} }}<!--
+
#vardefine:tgpx1|<!--
-->{{#ifexpr:{{#pos:{{{1}}}|_40x.}} |<!--then-->{{#vardefine:tgpx1|595}}{{#vardefine:tglabel|50 µm}} }}<!--
+
-->{{#ifexpr:{{#pos:{{{1}}}|_10x.}} | 589}}<!--
-->{{#ifexpr:{{#pos:{{{1}}}|_63x.}} |<!--then-->{{#vardefine:tgpx1|354}}{{#vardefine:tglabel|20 µm}} }}<!--
+
-->{{#ifexpr:{{#pos:{{{1}}}|_20x.}} | 589}}<!--
-->{{#ifexpr:{{#pos:{{{1}}}|_100x.}}|<!--then-->{{#vardefine:tgpx1|295}}{{#vardefine:tglabel|10 µm}} }}<!--
+
-->{{#ifexpr:{{#pos:{{{1}}}|_40x.}} | 595}}<!--
** The value above are correct for full size display, but need to be corrected for scaled images, relative to original imagewidth/desired imagewidth **
+
-->{{#ifexpr:{{#pos:{{{1}}}|_63x.}} | 354}}<!--
-->
+
-->{{#ifexpr:{{#pos:{{{1}}}|_100x.}}| 295}}<!--
{{#vardefine:tgpx2|  
+
-->}}{{
 +
#vardefine:tglabel|<!--
 +
-->{{#ifexpr:{{#pos:{{{1}}}|_10x.}} | 200 µm}}<!--
 +
-->{{#ifexpr:{{#pos:{{{1}}}|_20x.}} | 100 µm}}<!--
 +
-->{{#ifexpr:{{#pos:{{{1}}}|_40x.}} |  50 µm}}<!--
 +
-->{{#ifexpr:{{#pos:{{{1}}}|_63x.}} | 20 µm}}<!--
 +
-->{{#ifexpr:{{#pos:{{{1}}}|_100x.}}| 10 µm}}<!--
 +
-->}}<!--
 +
** The pixel values above are for full size display and must be corrected for images scaling **
 +
-->{{
 +
#vardefine:tgpx2|  
 
  {{#expr: {{#var:tgpx1}} *
 
  {{#expr: {{#var:tgpx1}} *
 
   {{#if: {{#pos: {{{width|250px}}} |px}}
 
   {{#if: {{#pos: {{{width|250px}}} |px}}
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  <!--(end expr)-->}}  
 
  <!--(end expr)-->}}  
 
<!--(end vardefine)-->}}
 
<!--(end vardefine)-->}}
 +
 +
'''TEST''' tgpx1={{#var:tgpx1}} - tglabel={{#var:tglabel}} - mediawidth={{#mediawidth: {{{1}}} }} '''END TEST'''
 +
 +
{{#vardefine:tglabel|1000}}
  
 
'''TEST''' tgpx1={{#var:tgpx1}} - tglabel={{#var:tglabel}} - mediawidth={{#mediawidth: {{{1}}} }} '''END TEST'''  
 
'''TEST''' tgpx1={{#var:tgpx1}} - tglabel={{#var:tglabel}} - mediawidth={{#mediawidth: {{{1}}} }} '''END TEST'''  

Revision as of 21:04, 17 December 2008


Description

This template is a specialized template to render a specific kind of microscopic photos by T. Gräfenhan. The major function of this template is to calculate a scale bar correctly for the magnification factors signaled by a special code ("_63x.") in the file name. Other images may have different naming conventions; the template may then be copied to a different name and the code adjusted. The images have a maximum size of 2560px if uncropped, but may be cropped.

Parameters

  • width: either number + px for fixed width in pixel, or number, interpreted as percentage relative to original size.
  • caption: You must pass the caption in a named parameter!
  • a sequence of unnamed parameters, covering the standard image functionality (thumb, left, caption, etc.).

Usage

  • {{ImageTG|File:x.png|caption=Your caption text here|width=250px}}
    Fully equivalent to: [[File:x.png|250px|Your caption text here]]
  • {{ImageTG|File:x.png|thumb|left|width=15|upright|caption=Your caption text}}
    This scales the image to 15% of original size.


Dependendencies

Depends on Extension:StringFunctions, Extension:MediaFunctions, Extension:Variables.