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Masterpie
First of all this is my first post here and also the first post about GIS so sorry if i'll talk nonsense here.   I have an large jpeg and also tiff which are the same map(image) 45568x37632 which i have downloaded it from Google Earth with Google Maps Downloader. I want to georeference one of those(jpeg or tiff file) in ArcMap 10.4 With Google… (Show more)
in Coordinate Reference Systems
Masterpie
Rectify very,very slow
FRANESCARUSSO22
Hi all,   I have received an hardrive from a geophysical survey with the following data:   MBES- DTM : Density xyz   xyz file                        DTM xyz        xyz file                        Slope xyg       xyz file   MAG : text file SSS:   Mosaic: .tif and .twf file            Raw data: xtf data   SBP:  .sgy files   I do not know… (Show more)
in Coordinate Reference Systems
DanEvans83
I've just spent hours trying to figure out why my feature class in British National Grid (OSGB) coordinates wouldn't line up with any of the Esri Basemaps despite (apparently) having set up the appropriate transformation, attempting to project the feature class etc. etc.   It seems that the transformations I was selecting were not being applied.… (Show more)
in Coordinate Reference Systems
lordawe
A client has provided a PRJ file (attached) that contains a "Height" parameter: Well-known… (Show more)
in Coordinate Reference Systems
oliver_burdgis
I have traced the outline of an area in Google Earth. Having saved the KMZ I've converted it to a shapefile and then reprojected the shapefile to Arc 1950 UTM 35s (using transformation 8). My data frame is in Arc 1950 UTM 35s. In the dataframe properties I have set a transformation to WGS84 (using transformation 8).   When I add the basemap… (Show more)
in Coordinate Reference Systems
FRANESCARUSSO22
Hi,   I got houndreds of dwg files and DTM from a Geophysical survey for a submarine cable route (They are from alignment sheet). When I try to import them into ArcGIS (Desktop 10.2) it shows the message about the "Unknown Spatial Reference". I have an .mxd with the Coordinates and projection already set up for that project. Does anyone know… (Show more)
in Coordinate Reference Systems
simon.ross
Does anyone know why the south African national grid projections display upside down in ArcMap?  ESRI appear to have deviated from the standard EPSG definitions by inverting the scale factor.  If I customise the scale factor then it displays the correct way up again.  In desktop this is fine but on the web it is causing me issues   For example I… (Show more)
in Coordinate Reference Systems
andrewsinfrastructure
Is there a NTv2 grid shift file or ESRI transformation to go from NAD83 - CSRS v3 2010 Epoch to NAD83-Original? I am trying to project my files from NAD83 - CSRS v3 2010 Epoch to NAD83 UTM 17N.   Cheers,   Richard
in Coordinate Reference Systems
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