commit d94ab8876ed3d81c635ebeef408454951760e87a parent d7ce7274c270b2ee6379337a21829e05b9601236 Author: Martin Kloeckner <mjkloeckner@gmail.com> Date: Sat, 19 Sep 2026 13:22:30 -0300 update: images in 'another-imagemagick-use-case-process-oscilloscope-screenshots' Diffstat:
4 files changed, 12 insertions(+), 4 deletions(-) diff --git a/blog/another-imagemagick-use-case-process-oscilloscope-screenshots/another-imagemagick-use-case-process-oscilloscope-screenshots.md b/blog/another-imagemagick-use-case-process-oscilloscope-screenshots/another-imagemagick-use-case-process-oscilloscope-screenshots.md @@ -12,9 +12,16 @@ this one I want to talk about another use case I found for ImageMagick: process oscilloscope screenshots to change the dark color scheme to a lighter one, making it suitable for reports and if desired, for printing. +<!-- <div class="centered-img"> <img style="width: 38%" src="hds25s.png" alt="OWON HDS25s"> </div> +--> + +<div class="side-by-side"> + <img style="max-width: 33%" src="hds25s.webp" alt="Owon HDS25S front"> + <img style="max-width: 55%" src="hds25s_back_trim.webp" alt="Owon HDS25S back"> +</div> Of course, ImageMagick has an infinite number of uses: converting images from one format to another, compressing images, applying filters, etc. But with these @@ -28,8 +35,8 @@ screenshots fit nicely side by side on a PDF page because of the screen's 4:3 aspect ratio. <div class="side-by-side"> - <img src="sine_250.png" alt="Sine of frecuency 250 Hz"> - <img src="sine_637.png" alt="Sine with frequency 637 Hz"> + <img src="sine_250.png" alt="Sine with frecuency 250 Hz and dark scheme"> + <img src="sine_637.png" alt="Sine with frequency 637 Hz and dark scheme"> </div> As seen in the pictures above, the screenshots are clear and look nice, but when @@ -105,8 +112,9 @@ the yellow color replaced with blue `#005FFF`. At the end, all the masks are combined on top of the previously created inverted greyscale image, resulting in the final image shown below. -<div class="centered-img"> - <img src="./sine_250_light.png" alt="OWON HDS25s"> +<div class="side-by-side"> + <img src="sine_250_light.png" alt="Sine with frecuency 250 Hz and light scheme"> + <img src="sine_637_light.png" alt="Sine with frequency 637 Hz and light scheme"> </div> It is true that simply inverting the image would have been enough, but I think diff --git a/blog/another-imagemagick-use-case-process-oscilloscope-screenshots/hds25s.png b/blog/another-imagemagick-use-case-process-oscilloscope-screenshots/hds25s.png Binary files differ. diff --git a/blog/another-imagemagick-use-case-process-oscilloscope-screenshots/hds25s.webp b/blog/another-imagemagick-use-case-process-oscilloscope-screenshots/hds25s.webp Binary files differ. diff --git a/blog/another-imagemagick-use-case-process-oscilloscope-screenshots/hds25s_back_trim.webp b/blog/another-imagemagick-use-case-process-oscilloscope-screenshots/hds25s_back_trim.webp Binary files differ.
