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well thanks Dan, coz you still tried to help me figure out where goes wrong, but I just can't even execute successfully in your ways with (space+dot+tif) say .tif, so I have to go back to my ways with those processes and pictures above, therefore, the layers with EucAllocation, EucDirection and EucDistance are there, but they just don't appear... the worst thing is that my tutor don't reply any emails. oh my gosh...
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03-04-2019
10:41 PM
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Well, I just tried it again, something makes me feel so confused: this is my instruction: In this step, you will use the Euclidean Allocation tool to create three new surfaces. Surfaces created using the Euclidean Allocation tool use straight-line (Euclidean) distance measurements. In this exercise, the source features are hospitals that offer air ambulance service. Regardless of where the school or college is located, you can use these surfaces to find out which of the hospitals is nearest to the school, how far the closest hospital is from the school, and in which direction the hospital is from the nearest school. On the Standard toolbar, click the Search button . Search for Euclidean. Open the Euclidean Allocation tool. The Euclidean Allocation tool includes options to also create direction and distance rasters. You will run this tool as opposed to running each Euclidean tool separately. In the Euclidean Allocation dialog box, enter the following parameters: Input Raster Or Feature Source Data: Hospital Source Field: ID Output Allocation Raster: ..\EsriTraining\SADistance\SanDiego.gdb\EucAllocation Output Cell Size: 100 Output Distance Raster: ..\EsriTraining\SADistance\SanDiego.gdb\EucDistance Output Direction Raster: ..\EsriTraining\SADistance\SanDiego.gdb\EucDirection this is the picture it gave me, the only difference between mine and its pics is that I put this SADistance file on D:, while the instruction puts it on system hard driver, which is C: the previous problem is this: I opened the environment button and in the tab of Raster Analysis, the mask page, it put SDCityClip as a original mask, while I changed it to Hospital, then it finally succeeded to show those layers on the left side, and those pictures I already uploaded, they don't appear... so basically I don't know what I should do to avoid those problems, I tried to put EucDirection01 .tif on the three output raster: output allocation raster: EucAllocation01 .tif output distance raster: EucDistance01 .tif output direction raster: EucDirection01 .tif then I can't even obtain these layers also I checked the coordinated system, since the layers are under the file, they use the same one called NAD_1983_stateplane_califorlia_VI_FIPS_0406_Feet
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03-04-2019
07:18 PM
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thanks Dan! I tried but there is no layers appeared.. then I try the change the sequence of those layers, still no appearances...
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03-04-2019
04:32 PM
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Hi, I've run in to some problems when I've tried to use the euclidean-distance tool. As you can see on the picture the results are not displayed on the existing layers I also read the posts provided by specialists in GeoNet, and try to change the content in environment button, then I get a result of three layers, but they cannot be seen on the existing layers... Have anyone got an idea what I'm doing wrong? Thanks!
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03-04-2019
03:32 PM
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