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Hello rasmerla, curtvprice & Tarun_Jaiswal I almost have the same problem and I have posted it here. I have used concatenate function in excel to prepare the list of the calculator expressions [not sure if it is in the true format] and their output directories and file names as below. "J:\sp1\sp1_Thresholded_0_3.img" + "J:\sp1\sp1_A2a_2020_Thresholded.img" ==> "J:\sp1\sp1_CCCMA_A2a_2020_GainLoss.img" I tried to use ModelBuilder with raster calculator in the same way I use with other tools but it was unsuccessful. I also tried to used iterators but it was not successful with me as well (all operations were overwritten on just one file). I do not have any background in Python but it does not seem too hard for me to do that task. Could you please help me with coding just one example mentioned above (using Python): Thanks a lot, Ahmed
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04-21-2012
12:27 AM
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http://video.esri.com/watch/91/modelbuilder_dash_advanced-technologies This video does a pretty good job at explaining some of the advanced modelbuilder tools. Thanks a lot Jerry_G, but it seems to be not that easy for me. Could you please explain for me which iteration method is best useful in my case and how to use the Calculate Value tool to generate the input and output pathnames... Thanks a lot, Ahmed
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04-19-2012
10:45 PM
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I had to do similar analysis and the iterator worked great. Thanks a lot curtvprice and Jerry, I am new to model builder and never use iterations. Could you please give me a brief explanation of which iteration method I should use and how to code the inputs (the addition of different input layers) and the output filenames and directories. I have prepared in exel a series of inputs and output destinations and filenames and need to run them not one by one. It would be great if you could send me a link to a simple tutorial or so discussing that. Thanks a lot, Ahmed
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04-18-2012
11:48 AM
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Hello, I have around 1000 raster image files (.img) and I need to use some map algebra functions with them (mainly repetitively adding some of these layers together) and need to use the model builder to make it easier for me to run it. Is it available to use raster calculator functions in model builder and use a pre-prepared input functions and output destinations (using concatenate functions in exel). I am using ArcMAP 10. That is a samples of what I need: "J:\sp1\sp1_Thresholded_0_3.img" + "J:\sp1\sp1_A2a_2020_Thresholded.img" ==> J:\sp1\sp1_CCCMA_A2a_2020_GainLoss.img I will repeat the previous steps more than 1000 times and it will take me huge time to run them individulaly. Any help will be appreciated, Ahmed
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04-17-2012
02:50 PM
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