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Teachers' toolkit for creating and re-purposing OER using FOSS/Image and animation OER (view source)
Revision as of 12:05, 28 February 2017
, 12:05, 28 February 2017→Reducing the size of an image
==== Reducing the size of an image ====
==== Reducing the size of an image ====
Sometimes image files can be heavy (compared to text only files). You can reduce the size of an image using GIMP. Select <u>Image → Scale image</u>
Sometimes image files can be heavy (compared to text only files). You can reduce the size of an image using GIMP. Select <u>Image → Scale image</u>
[[File:COL_-_Scaling_an_image_using_GIMP.png|thumb|450x450px|Cropping an image using GIMP|left]]
You can reduce the resolution in the form that opens. The more you reduce the resolution, the greater the reduction of file size.
You can reduce the resolution in the form that opens. The more you reduce the resolution, the greater the reduction of file size.
You should then over write the file, File → Overwrite <your file name>.
You should then over write the file, File → Overwrite <your file name>.
GIMP will open a form asking for reduction in quality. You can reduce quality up to 30% without visible degradation in quality. We reduced the size of a file from 10.7MB to 1.2 MB using above approach.
GIMP will open a form asking for reduction in quality. You can reduce quality up to 30% without visible degradation in quality. We reduced the size of a file from 10.7MB to 1.2 MB using above approach.
{{clear}}
=== Inserting images in a text document (''LibreOffice Writer'') ===
=== Inserting images in a text document (''LibreOffice Writer'') ===