Cartography http://mapasp6.dreamhosters.com/taxonomy/term/35/all en Maps from Tripcevich cartography work (1993-1997) http://mapasp6.dreamhosters.com/projects/maps-photos/maps-tripcevich-cartography-work-1993-1997 <iframe src="http://www.mapaspects.org/webdir/mapphotos/port/port.html" height="500" width="100%"> </iframe> Cartography Fri, 15 Feb 2008 08:07:11 +0000 nico 233 at http://mapasp6.dreamhosters.com Finding the right transformation when re-projecting data in ArcGIS 9.2 http://mapasp6.dreamhosters.com/article/finding-right-transformation-when-re-projecting-data-arcgis-92 <p>So you're using the Project Tool to re-projecting a map into a new projection.</p> <p>Before you can start the process, you have to choose from the many transformations. The attached file (<a title="WorldProjs" href="http://mapaspects.org/sites/default/files/World%20Projections.xls">World Projections.xls</a>) lists where in the world each projection transformation should be used.</p> <p>For example, if your map is in PSAD56, and you want to project it to WGS84, the Project Tool will ask you which transformation you want. Checking the lists for Bolivia, I find: PSAD_1956_To_WGS_1984_2</p> <p><a href="http://mapasp6.dreamhosters.com/article/finding-right-transformation-when-re-projecting-data-arcgis-92" target="_blank">read more</a></p> Andean South America Archaeology Cartography Using GIS in Anthropological research ArcGIS tips Thu, 17 Jan 2008 05:45:41 +0000 226 at http://mapasp6.dreamhosters.com Finding the right transformation when re-projecting data in ArcGIS 9.2 http://mapasp6.dreamhosters.com/content/finding-right-transformation-when-re-projecting-data-arcgis-92 <p>So you're using the Project Tool to re-projecting a map into a new projection.</p> <p>Before you can start the process, you have to choose from the many transformations. The attached file (World Projections.xls) lists where in the world each projection transformation should be used.</p> <p>For example, if your map is in PSAD56, and you want to project it to WGS84, the Project Tool will ask you which transformation you want. Checking the lists for Bolivia, I find: PSAD_1956_To_WGS_1984_2</p> <p>&nbsp;</p> <p><a href="http://mapasp6.dreamhosters.com/content/finding-right-transformation-when-re-projecting-data-arcgis-92" target="_blank">read more</a></p> Andean South America Archaeology Cartography Using GIS in Anthropological research ArcGIS tips Thu, 17 Jan 2008 05:43:45 +0000 225 at http://mapasp6.dreamhosters.com