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Consistent problem occurring when reprojecting raster imagery
Hi, I am wondering whether anyone may be able to help me. I am trying to reproject some BMNG imagery from GCS_WGS_1984 to WGS_1984~_Web_Mercator_Auxilary_Sphere. I thought this would be a simple case...
View ArticleExtract by atributes - Problem with SQL sentence
Hi! :) I need to extract different values of pixels in my raster, for example I need to extract the cells of values = 10 , 20 and 30 all in other raster but I don't know how is the SQL sentence to put...
View ArticleProjections effect on GIS computations? Area and distance measurements in the...
I'm a cartographer as well as a GIS professional and I think I have a decent handle on projections and how they effect the various attributes of map display. What I'm less clear on is the need to match...
View ArticleChanging data from one UTM zone to another UTM zone?
My situation is I am doing a project in western NY and we are under UTM 17N, but most of the data I have is in UTM 18 N because most of the state is in 18N, so the datasets I get from the state are in...
View ArticleNear (Error: 999999) Failed to execute (near)
I have a shapefile of roughly 1.3 million points, and I am trying to calculate the distance to the closest of 860 polygons (also shapefile) for each, using the Near tool. I ran a Near calculation and...
View ArticleToolbox Metadata. How does this work?
Hello, I've created several python scripts and created tools from them. I have a custom toolbox that contains all of my tools. I add this toolbox to the ArcToolbox window in ArcCatalog. I want to...
View ArticlePoints are not selected or highlighted after using...
Hi there, So I have one feature class in a personal geodatabase. I wrote a python script using "selectLayerByAttribute_management", the script was running successfully however the selected records are...
View ArticleTrying to Create Feature Class - Error Executing Function
Hi I'm working on a project of converting a csv table into ArcMap readable shapefiles. I have set parameters for the Create Feature Class tool, but am getting an "error executing function" message...
View ArticleGetting rid of the buffer once it's served its purpose - extract input only
There may be a totally obvious solution to this, but I've been working on this project for so long that my brain is going in circles at this point. (Also, this is my second GIS class, so sometimes I...
View Articleproblem occured when converting layer to shapefile
my problem is strange. I need a point shape file based on xy. I created a .csv containing the coordinates information and when I Ａｄｄ ＸＹ ｄａｔａ, it worked perfectly. next step is where does not work. When...
View ArticleCell area raster
I have large raster datasets (>80GB) that are in lat long format and that I would like not to project. However I would like to construct a raster containing the area/surface (m2) of each cell of the...
View ArticleExtended debugging tool for geoprocessing model on AG Server?
Dear all, we have a model that uses these tools: Add Field, Append, Calculate Field, Copy, Cut Fill, Extract by Attributes, Extract data, Generate Near Table, Get Field Value, Make Feature Layer, Merge...
View Articlepython errors
Hello, I'm working on mine final internship en thesis. And working for the first time with pythonwin. I'm trying to make the python script work but i'm getting a lot of errors. I'm using pythonwin...
View ArticleSorting Linear Features
I'm having a bit of trouble sorting a polyline feature class in the correct order. Basically I have a polyline feature calss with multiple features in it that form a single line. This feature class was...
View ArticleCreating a table based on value variables in ModelBuilder
Hi, I'm trying to get rows in a table populated with values defined by an end-user. The user will have three boxes to enter two double fields and a yes/no or string field and then I want these values...
View ArticleAn ActiveX control on this page is not safe.
Why do you suppose I'm getting this Web Browser message on most tools since last week when I try to fill in an argument: "An ActiveX control on this page is not safe. Your current security settings...
View ArticleFind maximum value across a row
Hi, I am wondering if there is a tool that will look at a row, find the maximum value from column A, B, or C and then update column D with the name of the highest-ranked column. I could implement this...
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Union tables
Hi! I have 33 raster and I would like to join their attribute tables in one to do a graphic, but I don't know how to use Model builder to automate the process. I leave a sample the type of the tables....
View ArticleWrite GP Results to Feature Class
Hello I would like to write the results of a Buffer operation on Feature Class A to an existing Feature Class B where both A and B are on SQL Server. Both A and B are also published as Feature Layers...
View ArticleSelect the highest of similar values
Hi folks, I am looking for a tool that I can use to select the highest value within a set of similar values. The values are alphanumeric, and are essentially two parts merged into one field - a master...
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