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3

I can't see a way to set a default for new grids. A workaround is to create the desired grid style including decimal places, then use the > Style > Save option: Open a new ArcMap document and create a new grid (quickly tabbing through all the panels of the wizard, accepting the defaults). Then use > Style and choose the saved style.


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If you want a vector grid in kilometers: Set the project CRS to something projected like the UTM zone of your part of the world. World mercator EPSG:3857 is not useful, because this projection has real meters only at the equator. Load a vector or raster file of the area you are interested in, with On-the-fly-reprojection enabled. If necessary, save the ...


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For reference, this setting is found under the map item properties panel, "show grid" -> "draw coordinates" -> "format":


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For this kind of conversion, you need to choose the attribute field that you want to store in the grid, because a grid can only have one thematic information. This is the value field that you need to define. Knowing that, you can use one of the "Feature to Raster" tools for the conversion, or in your case maybe Polygon to raster which is more specific (but ...


2

You should use the Polygon to raster function (which requires Spatial analyst extension). In the Value field property you assign which field should be the base of your grid, e.g. which different values your grid will have. Don't worry about Cell assignment type and Priority field, play with them if you don't get the desired result. Depending on how ...


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You can set a fixed scale for an atlas map: Click the map item Select "item properties" Under the "controlled by atlas" group, select "fixed scale" This is a better solution then the workarounds you listed.


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Firstly you need to understand that contours are not painted on the ground, they are a model. Secondly a TIN and a DEM are also models. With that in mind debating the relative inaccuracies of models of a model seems a little pointless. When creating a contour from a TIN the process must internally convert to a raster or the only vertices created will be on ...


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If you are having problems creating an index to use with a "Split for Basic" tool by using the Grid Index Features tool, then I recommend that you switch to using the Create Fishnet tool. You can run this interactively and then use Copy As Python Snippet from the Geoprocessing | Results window to copy the syntax into your script. As an aside I have ...



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