Moreover, large 3D EM datasets typically require hours to days to be acquired and accelerated imaging typically results in noisy data. This has caused an explosion in dataset size, necessitating the development of automated workflows. Your only limit is your imagination.The recent advent of 3D in electron microscopy (EM) has allowed for detection of nanometer resolution structures. You can use any picture you desire, or even make the folds different - horizontal, maybe, or only two folds. I had fun with this one! You don't have to use a map, either. That's why we made the sections facing away from the light a little darker. Start in the upper left with your gradient so it looks like the light is coming from there. On mine, I changed the foreground color to blue, but you could make it any color you wish. Now, choose the bottom, transparent layer and use the Gradient tool, choosing a Linear BG to FG gradient. ![]() For the shadow, we want to choose Blur > Gaussian Blur and set it about 35. Choosing the black layer, click on your Scale tool and shorten that layer down so it's only about ¼ the height of the map layer.Ĭhoose Layer > Layer to Image size for this layer as well. Also, create a new, transparent layer and put it under both of your other layers. You might have to set your Threshold up quite a bit on your bucket fill tool, but it will work. Right click on the layer copy and choose Alpha to selection, then bucket fill it with black. Duplicate this layer and move it under the main map layer. Now we will use the perspective tool to make our map look more realistic.Ĭhoose the perspective tool and move the top of your map down and inward so it looks more like it's lying on a surface.Ĭhoose Layer > Layer to Image size. You can move your guides back now as we no longer need them. Anchor the layer.ĭo the same steps with the fourth section. While you have the section selected, choose Color > Hue and Saturation and change the Lightness to about -20 or so, whatever looks good to you, enough to make it look like it's a bit shadowed. Selecting the second section, apply the value 50 (positive this time). Anchor the layer, then select the third section and do the same thing. Give the Y magnitude a setting of -50, then click Shear. Using your rectangle select tool, select the first section of your map, then click on the Shear tool, then click back in the selection. From the left ruler, click and drag three guides over your map to divide it into fourths. Now let's put some guides in where we want our map folds. I want a 50 pixel border around my map, so I added 100 pixels to each measurement, clicked on Center, then clicked Resize.Ĭhoose Layer > Layer to Image Size, so when we start changing things the changes will show up correctly. Let's start by giving ourselves more room in the image. ![]() I was surprised how easy it turned out to be. I took a screenshot of a Google map of Kansas City and used it for this tutorial. A user named alc59 posted a tutorial for this project. It is a fun place where everyone shows their Gimp creations and help each other learn new things.
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