tag:blogger.com,1999:blog-3245885273362999580.post8658085239305508020..comments2024-01-11T02:18:34.540-08:00Comments on GIS Geek: ArcGIS: Define Projection vs ProjectMichaelhttp://www.blogger.com/profile/14251229046467082650noreply@blogger.comBlogger5125tag:blogger.com,1999:blog-3245885273362999580.post-25453437762293909172013-07-01T22:52:12.212-07:002013-07-01T22:52:12.212-07:00hey, my lec gives this kind of question.
what is m...hey, my lec gives this kind of question.<br />what is meant by a GIS project?. is this the correct answer?Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-3245885273362999580.post-11236723000677867512012-06-20T01:16:27.122-07:002012-06-20T01:16:27.122-07:00Changing the projection in properties is the same ...Changing the projection in properties is the same as running the Define Projection tool. In both cases, they should only be used if the coordinate system is undefined or wrongly defined. To project geographic coordinates, use the Project toolMichaelhttps://www.blogger.com/profile/14251229046467082650noreply@blogger.comtag:blogger.com,1999:blog-3245885273362999580.post-87612795051445979442012-06-07T20:19:21.465-07:002012-06-07T20:19:21.465-07:00Hi! Your definitions seem very clear. I'm a be...Hi! Your definitions seem very clear. I'm a beginner with GIS and it really helps!<br /><br />I was trying to use the near tool with my data and realized that it was giving me the distance in decimal degrees. After doing some searching online and on the Esri resource center I found that I would need to change my coordinate system to a Projected Coordinate System and after some more searching I needed to change my coordinate system to State Plane (US Feet) California zone 6 for Orange County, California. I used arc catalog to change the coordinate system using properties (I also tried defining the coordinate system through the toolbox and and using the project tool) of all of my shapefiles and though ok this should work. Unfortunately when I used the measure tool to test out my new file, it said the county was less than a mile across. This person seems to be having a similar problem: http://forums.esri.com/Thread.asp?c=93&f=1149&t=91668 <br />I'm really confused and not sure what I'm doing wrong. :( Any help would be greatly appreciated.Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-3245885273362999580.post-85477722426599193602012-06-04T09:28:41.875-07:002012-06-04T09:28:41.875-07:00Thank you for this!Thank you for this!Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-3245885273362999580.post-80409785088906416882011-10-29T13:39:12.858-07:002011-10-29T13:39:12.858-07:00Thanks for posting! I finally understand defining ...Thanks for posting! I finally understand defining a projection vs projecting.Anonymousnoreply@blogger.com