![]() If you do, it will implement the ‘Offset Path’ effect. Don’t move the border into the same group as the streets. Put the smaller square in front of the larger square, then subtract the opening from the outer border (with the Pathfinder window: Minus Front command. Create 2 squares to create the border frame one along the outside border guides and one along the inner border guides. I created a 1” border around 3 sides with a 2” border on the bottom. The inner guides need to overlap (or touch) the road paths. I show the rulers and set up guides for the border. The streets will have to overlap the border so they can be combined into one layer. Next, I created the border around the image. I choose the road layer and expanded them with (Effects > Path > Offset Path). I wanted the roads to be about 0.090” (2.3mm) wide. Depending on the image size, the roads may too narrow (or fragile) to laser cut. I set the paths with no fill and stroke width of. Clean up (delete) any other roads or empty layers that are not important. There may also be roads coming in from the perimeter, you’ll want to keep these also. There should be one layer that shows the majority of the roads. Depending on how clean the streets image was, there may be a lot of ‘loose’ road layers. There will be a lot of empty layers depending on how many streets you have. Again, create the vector paths by choosing: “Object>Live Trace>Make and Expand”. Hide the water layers and select the imported streets image. Make a duplicate of the water group layers, we’ll use it later for identifying where to paint the water. Select the water layer and create a vector path of the water by choosing: “Object>Live Trace>Make and Expand”. I’m using version CS5, so your commands may be different. I’m still learning Adobe Illustrator, so this may not be the most efficient approach, but it worked. They should be perfectly aligned, if not adjust their position. Launch Adobe Illustrator and import (File>Place) the ‘water.png’ and ‘streets.png’ files. Be sure to review the attached 'screenshots of process' file for additional process aids. Hide all but the streets and alignment crosshair layer and save as a. Hide all but the water and alignment crosshair layers and save as a. This will assist you in making sure the multiple layers are aligned. Add a new layer and create crosshairs in opposite corners in a clear area. With the pencil tool, clean up any thin roads or intersections. I eliminated the footpaths and any unattached roads. The street clean-up was more time consuming. Take some artistic liberties to join thin areas or widen waterways.įollow to same procedure to create a new layer for the streets. With the pencil tool, fill in with the same color all the missing areas due to bridges. Use (Select>Color Range) and pick the water, adjust the threshold if necessary and paste the selected area onto a new layer and label the layer ‘water’. Next, we need to separate out the water layer and put it on its own layer. You should now have one layer with the combined water and streets. It’s best to resize the image to the desired output size at this time. Make a duplicate layer of the map image as a precaution. Unlock all the layers, crop the final image to the desired area and merge into one layer. Be sure not to include the zoom icons or your cursor in the cleaned-up layers. Change the layer’s blending mode back to ‘normal’ and lock the layer. When the overlapping layers are solid black they are perfectly aligned (see photo). To help align them, I put the layer’s blending mode to ‘difference’. Pick the adjoining layer and align it to the first. Pick the image for the top left corner, and lock the layer. In Adobe Photoshop, I removed the unwanted areas of each screenshot. Collect all the areas to complete your map. I panned over to the next area being sure to overlap the last screenshot and capture another screenshot and paste it in Photoshop. I pasted the screenshots into Adobe Photoshop. Scroll to the zoom level you desire and take screen shots of the area of interest. You can toggle on “Fullscreen view” to make your captured area larger. You can further edit the filters, but it may be difficult to get exactly what you are looking for. I couldn’t determine how to eliminate the real small roads or walking paths. Go the map link above and load the JSON (attached to the this Instructable) and load the style. ![]() I wanted to be able to separate out the water from the roads. Part of the challenge is finding the map data with the right features. Decide on the city or area to create your map.
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