Tagged Questions

1
vote
1answer
18 views

Editor and projections ArcGIS

When opening an edit session Arc is telling me that some of my shape files' coordinate systems do not match the data frame. Here is the data frame coordinate system: Stereo_70 Projection: ...
0
votes
0answers
13 views

How to convert Rotated Polar grid raster to Non Rotated Polar Raster?

I have a RCM data which is in rotated Polar system , I want it to convert into non-rotated polar RCM. How can i do this things ? Please give some guidance
0
votes
2answers
44 views

Thiessen Polygons and Coordinate Projections

I am trying to perform a Thiessen Polygons analysis in ArcGIS 10. My DEM is in GGRS_1987 and the point set I downloaded from Google Earth is in WGS_1984. The points display correctly but when I run ...
0
votes
1answer
45 views

Is it possible to change dynamically the map spatial reference?

I have a map that uses ArcGIS Online in the small scales. So my map needs to be in Web Mercator in small scales. In the big scales, my web client Flex application uses some feature and map services to ...
2
votes
1answer
51 views

Why does a raster in Gauß-Krüger has a little offset to a shape in UTM?

I have raster data (TIFF files) where I think it's spatial reference is in Gauß-Krüger ("DHDN_3_Degree_Gauss_Zone_3") and some shape files in UTM ("ETRS_1989_UTM_Zone_32N_8stellen"). As you can see in ...
2
votes
1answer
43 views

Ok to measure and union a projected-on-the-fly shapefile in ArcMap?

I have a dataframe in arcMap 10.0.4 that is of Africa Albers Equal Area Conic PCS. I bring in a census shapefile of WGS 1984 CS and it is projected on the fly. I do 2 things: I use the calculate ...
1
vote
3answers
100 views

How to create a spatial reference file

I am using python, arctoolbox and arcpy 10.0 I am running a script that is tied to an arctoolbox. The toolbox serves to enter in my parameters. I have a feature layer as an input. The feature layer ...
3
votes
1answer
161 views

getting the specified geographic transformation, or at least the GCS, of a data frame

First, the TLDR digest: I'm getting a bogus value from dataFrame.geographicTransformations on some machines; how do I get the correct value as shown in the properties dialog? and/or Given a spatial ...
2
votes
2answers
173 views

Problems aligning layers digitized from Google earth into ArcMaps10

I'm a PhD student new to ArcGIS. I'm digitizing features from Google Earth to use in ArcGIS (I work in India, where the mapping in GIS is at best scanty). I drew along a river in Google Earth, saved ...
2
votes
1answer
160 views

How to programmatically determine whether a spatial reference factory code is valid?

I am using the following code segment to create a spatial reference. spatialReferance = arcpy.SpatialReference() spatialReferance.factoryCode = spatialReferanceFactoryCode ...
2
votes
2answers
387 views

How to use the coordinate system in arcgis 10?

I have a favor to ask. I have a few layers. The layers have been made by a different company. So how do I combine them all together so that they have the same coordinate systems? If there are any ...
2
votes
1answer
265 views

coordinates in dbf file wrong

I am new to ArcGis, so please bare with me :D . I converted a polygon in an mdx file I have to a shape file, then converted its vertices to points, then used "add X Y feature" and choosed coordinates ...
14
votes
7answers
4k views

ArcCatalog 10.0 complains that spatial references don't match between a feature dataset and a feature class that have the same coordinate system?

I have a feature dataset that is using the GCS_WGS_1984 as the geographic coordinate system. It includes a few feature classes. This feature dataset is itself in a file geodatabase that contains a ...
7
votes
3answers
530 views

Longitudinal Issues with NetCDF data

I am seeking advice on working with world data sets where the GCS has a positive range (0 degrees to 360 degrees). The data I am working with are NetCDF oceanographic data and have positive coordinate ...
2
votes
3answers
3k views

Change number of decimal digits for features in ArcGIS 10?

I am editing vertices in polygons and points in ArcMap 10, and realised that they only hold 3 decimal digits for the X, Y coordinates, but I would like at least 6 decimal digits. Even if I type in ...