{"id":62,"date":"2007-07-06T10:07:17","date_gmt":"2007-07-06T17:07:17","guid":{"rendered":"http:\/\/jeffhobbs.net\/2007\/07\/06\/sharing-geotiffs-between-arcgis-and-geomedia\/"},"modified":"2007-07-06T10:07:17","modified_gmt":"2007-07-06T17:07:17","slug":"sharing-geotiffs-between-arcgis-and-geomedia","status":"publish","type":"post","link":"https:\/\/jeffhobbs.com\/?p=62","title":{"rendered":"Sharing GeoTIFFs Between ArcGIS and GeoMedia"},"content":{"rendered":"

There’s been a very interesting discussion on the GeoMedia email list hosted by Directions Media<\/a> that has since moved offline. The basic discussion has been about sharing GeoTIFFs between the ArcGIS and GeoMedia platforms. <\/p>\n

The initial question is as follows:<\/p>\n

"What is the best way to preparing GeoTIFF in INGR environment (GM, I\/RAS
\nC, ISRU…) for using it in ESRI’s ArcGIS?
\nHow to transmit a georeference? <\/p>\n

Can I have a SINGLE (!) GeoTIFF file which can be correctly opened in
\nboth lines – INGR and ESRI? "<\/p>\n

This made me think some because I’ve been sharing GeoTIFFs (in the State Plane Coordinate System) between ArcGIS and GeoMedia for a few years now. When I posed that comment (I believe offline) to another member on the list (Steve Frost), here was the reply (privately): <\/p>\n

"From our experience the problem arises when you have a non-standard projection. If you have a standard projection such as UTM then I believe there is no problem (or presumably a State Plan Projection – though we have no need of those on this side of the pond!). However, if for example you define your own instantiation of a projection – such as a local Transverse Mercator – then the fun starts!…<\/p>\n

We have worked round the problem with an in-house application that bulk updates the GeoTIFF tags…." <\/p>\n

I did do some additional research with Intergraph and did get a reply on how GeoMedia deals with GeoTIFFs:<\/p>\n

"The GeoTIFF spec uses standard coordinate systems defined by EPSG. If the user’s coordinate system isn’t defined by EPSG, then we [Intergraph] write a ‘custom’ tag, containing all the particulars of the projection. The way this is done is well defined in the GeoTIFF spec, and Intergraph follows it pretty religiously (since we helped write it)."<\/p>\n

It’s also interesting to note that apparently the issue has been fixed with ArcGIS 9.2.<\/p>\n","protected":false},"excerpt":{"rendered":"

There’s been a very interesting discussion on the GeoMedia email list hosted by Directions Media that has since moved offline….<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_mi_skip_tracking":false},"categories":[3,4],"tags":[],"acf":[],"yoast_head":"\nSharing GeoTIFFs Between ArcGIS and GeoMedia - jeffhobbs.com<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/jeffhobbs.com\/?p=62\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Sharing GeoTIFFs Between ArcGIS and GeoMedia - jeffhobbs.com\" \/>\n<meta property=\"og:description\" content=\"There’s been a very interesting discussion on the GeoMedia email list hosted by Directions Media that has since moved offline....\" \/>\n<meta property=\"og:url\" content=\"https:\/\/jeffhobbs.com\/?p=62\" \/>\n<meta property=\"og:site_name\" content=\"jeffhobbs.com\" \/>\n<meta property=\"article:published_time\" content=\"2007-07-06T17:07:17+00:00\" \/>\n<meta name=\"author\" content=\"Jeff Hobbs\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Jeff Hobbs\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/jeffhobbs.com\/?p=62\",\"url\":\"https:\/\/jeffhobbs.com\/?p=62\",\"name\":\"Sharing GeoTIFFs Between ArcGIS and GeoMedia - 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