Gh file size changed when zoom in/out

[anon39580149]

Hello
I notice that when zoom in the definition the size of gh file decreased and vice versa, i think this also available in Photoshop.

[ivelin.peychev]

I bet it’s because it’s saving a screenshot for Win Explorer preview.

[anon39580149]

I don’t see the preview in Windows explorer

[ivelin.peychev]

When you open multiple files in Grasshopper you have a list top-right. There you have previews.

[Dani_Abalde]

@anon39580149

I notice that when zoom in the definition the size of gh file decreased and vice versa

The file saves the thumbnail picture. If the image has less information, it has less size.

[anon39580149]

You mean when i open a file?
Yes i always did that but i can’t see preview, or i need to activate an option in windows?

[ivelin.peychev]

@anon39580149

You mean when i open a file?

I mean this:

inside Grasshopper top-right. My wild guess was wrong about WinExplorer

[anon39580149]

Ok i understand , the preview there also changed instantly

[Mahdiyar]

@ivelin.peychev

I bet it’s because it’s saving a screenshot for Win Explorer preview.

I guess you’re Right about this, we can check the thumbnail bitmap data if we save our file in *.ghx format, under the
<chunk name="Thumbnail">:

@ivelin.peychev

When you open multiple files in Grasshopper you have a list top-right. There you have previews.

@ivelin.peychev

I mean this:

But if I’m not mistaken that preview you’re taking about generates dynamically.
One place I’m sure using the thumbnail is recent file section: