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#1
cht

cht

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Hello CartoTalk members!

I am brand new to GIS-ing and am completely lost in the jargon. One of our clients would like to have legacy maps digitized with the data embedded into the deliverable map. So far, what my team has come up with is manually "cleaning" up the maps using Adobe Photoshop. We've replicated the maps to represent only the data that we need through color-coding.

Next, we've extracted this data to an Access database table. Using Microsoft Mapcruncher to georeference the map, we now have a table of data with longitude/latitude measurements and the "data" related to that location (the latter is indicated by an RGB index, which represents a specific item in the legend). We have the data that we need and the maps are replicated, but our deliverable is a geotiff file with the map containing the data in the Access database.

Like I said, I'm completely new to all this. I've spent that last two work days navigating the internet going from one GIS program to the next. Two days later, I'm completely lost. Am I making things harder than it really is? What program would you recommend for this purpose? What tools/developing languages should I look into?

Any recommendations that can help me get off the ground on this project would be greatly appreciated. Thank you so much in advance,

CHT

#2
David Medeiros

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What your clients probably want is a vector map rather than a raster (geoTiff image). If raster vs vector is one of the concepts/jargon you are having some trouble with then I'd suggest rather than searching for GIS software to use you find an experienced GIS/cartographic professional to sub the work out to. It will likely save you both time and money.

That said, from my perspective, Adobe Illustrator with MAPublisher, or ArcGIS are two of the "easier" platforms for digitizing and attribution. But they cost a lot and "easy" is relative. Many would recommend QGIS because its free and works well. I like it but if you haven't worked in GIS before the learning curve is steep and documentation thin.

You could probably work something up using Google Maps "my places" or Google Earth to digitize the map features off an overlay then tie to an attribute table in Google Fusion Tables. All of this could be packaged into a KML file that could then be used in GM or GE. But this depends on teh format of the original maps and what data needs to be digitized.

Can you post a sample of the work your doing? It might help people direct you to other options. If you think you want to sub the work there are a lot qualified map makers here on the forum who I'm sure would love the work.

GIS Reference and Instruction Specialist, Stanford Geospatial Center.

 

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#3
cht

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Hi David,

Thank you for taking the time to reply. I have definitely come to recognize the fact that the world of cartography is quite difficult to maneuver through. Creating the map in vector rather than raster form is news to me and it's something I have not tried yet. We do have an Adobe Illustrator license and I have noticed that MapPublisher offers a free trial download. I'm going to give these tools a try this morning, as well as the Google Maps method you mentioned. I will be on later today to post some examples of what I am doing.

Thanks again for the reply!

Christine

#4
Steven Overstreet

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<post deleted>


Edited by Steven Overstreet, 26 November 2013 - 07:06 PM.





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