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2

Simple. Use the PointOnAreaOverlayer transformer. In the parameters dialog set a list name. The polygon features will emerge with a list of which point features fell inside, including their attributes. Then use a ListSummer transformer to add up the attribute X in that list. I put an example workspace (template) on Dropbox at: ...


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Try the following workflow: Buffer your coastline feature Intersect the buffered coastline with the fishnet polygons Run Zonal Statistics as Table with a "SUM" statistic Use Join Field to join the zonal statistics table with the intersected fishnet polygons (i.e. based on the OID or FID)


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I ran into a similar issue today-- I needed to load each tile into a separate canvas element, then operate on each to pixel of each tile to transform the image. Using L.tileLayer.canvas and this example from John Gravois I was able to grab each tile, access the pixels, and then invert the colors (inversion code from this Mozilla Developer Network help ...


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You're looking for the symmetrical difference tool. In my experience it works very similarly to st_disjoint, only it does it in a "masking" style so the underlying shape can be cut out just so. I struggled with this tool for a while, getting empty outputs, before I discovered a workable solution. Both of my layers were in geographic (EPSG:4326) format ...


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To put things clear, I assume that you want to compute the area which responds to the following conditions: located inside your DEM altitude interval located inside your vector boundaries located where your second raster (let's call it raster2) has values other than "nodata" (this is the unclear part of your post, feel free to correct me if I ...



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