12,132 reputation
1065148
bio website maphew.com
location Yukon Territory, Canada
age
visits member for 4 years, 5 months
seen 2 days ago

hewer of maps, old time techie, newbie developer

woohoo, http://gis.stackexchange.com/ now open to the public!

personal - www.maphew.com
in-between - yukongis.ca
work - www.environmentyukon.ca

profile for matt wilkie on Stack Exchange, a network of free, community-driven Q&A sites


Mar
11
comment What are Raster and Vector data in GIS and when to use?
I don't see how thinking of raster as a specialised type of vector is helpful to understanding. Could you please elaborate on how this perspective has helped you?
Mar
11
comment What are Raster and Vector data in GIS and when to use?
Thanks David. :) There's a variant attributed to C. Dana Tomlin that goes "Yes raster is faster, but raster is vaster, and vector just seems more correcter." (ref)
Mar
10
comment Convert a shapefile with northing/easting to ASCII raster with latitude/longitude
eep! you're right, thanks for catching that. I've changed the order.
Mar
10
comment What is the point of standard symbology?
to add to rdalton's answer, agencies themselves may rarely or never be involved with out-of-district cooperative work, but what their staff? In this era of mobile citizenry many people do not work in the same town/state/province they grew up and were educated in, or had their last job.
Mar
10
comment What is the point of standard symbology?
+1, especially for the last line.
Mar
10
comment Canvec Symbology in Arcgis 10?
Thanks Mike. It's the automation part I'm most interested in. There are some 400 feature class code's to match up, not something I'm looking forward to clicking my way through. ;-)
Mar
9
comment If/then VBScript/Python code equivalent to SQL IN ('x','y',z') expression in ArcGIS Field Calculator?
@sirgeo, the syntax changes depending on whether the data is shapefile, personal geodatabase, filegdb, etc. (see Arcgis 9.3 SQL Reference. Scroll down to "Comparison operators" to see example of the IN operator.
Mar
9
comment VB Script for selecting multiple records
This is still the same question. It is better to edit and update your original question with the new info than ask essentially the same thing again (or spend more time detailing what makes this a new question; it's not apparent now). Also the screenshots hinder more than help, it's the actual expression(s) being used that's needed.
Mar
9
comment If/then VBScript/Python code equivalent to SQL IN ('x','y',z') expression in ArcGIS Field Calculator?
Hi Sirgeo, welcome to GIS.se :) For code formatting while editing select the relevant text and slap [ctrl]-[k].
Mar
9
comment Dealing with empty feature classes in a ArcGIS 9.3.1 Python script
error 000372 is feature class doesn't exist or is not supported. As written the if gp.GetCount() test will always be non-zero as the GetCount function returns an object, not a number (try print gp.GetCount(iter)). That's why the result and int lines are needed.
Mar
9
comment Dealing with empty feature classes in a ArcGIS 9.3.1 Python script
you'll probably need to reduce your code to the simplest possible snippet that still shows the error and add that to your post. There's too many things which could be happening to troubleshoot from what you've said so far.
Mar
8
comment Change data source path in .LYR files in Arcgis 10
@geographika: yes the FDS is changing as well as the workspace. I was misled by the documentation which says don't specify the FDS, and that mxd's and lyr's ignore them. Validate on the other hand doesn't ignore them, or at least not completely (see my answer).
Mar
8
comment Arc node topology in ArcMap
Hi Srikanthrao, welcome to GIS.se. :) This would be a better answer with a simple example of Itopologygraph in use and/or a link to the relevent docs.
Mar
8
comment Change data source path in .LYR files in Arcgis 10
the Runtime error... quoted above is from the interactive python shell in Arccatalog, which doesn't give a traceback. The results with traceback are copied from a command shell.
Mar
7
comment Good Symbology for Interactive Web Mapping
@whuber: thanks for going beyond the kneejerk "hey that's not how we do things here" comment/downvote, also creating an opportunity for Darin to contribute meaningfully. It sparked a "why didn't I think of that?" moment for me. While your technical contributions to GIS.se are prodigious your social involvement is equally significant.
Mar
7
comment Crime mapping symbology
Darin, thank you for being responsive and quickly adpating your contributions to suit the style used here. Welcome to GIS.se :)
Mar
7
comment Crime mapping symbology
or more precisely: fgdc.gov/HSWG/ref_pages/DownloadSymbols_ref.htm
Mar
7
comment Is it possible to get arcpy on 9.3* or Qgis? Or maybe some of the functions?
If you own both arcgis 9.3 and 10 there is no legal reason not to backport. Technically though I think you are in for a world of pain. ESRI themselves initally publicised that v9 & 10 could be simultaneously installed. They pulled that very early in the beta period, which indicates to me it caused too many problems. The bigger question is why do you want to backport?
Mar
7
comment Why do you use ArcGIS for Desktop?
@Chad yes we used publisher for a couple of years. We found the overhead of maintaining two datastores and two parallel ses of map compositions too expensive. It was ok for one-off maps but ones which need to be updated there was a lot of duplicated effort, making a change on the published map and then making the same change in the analytical datastore, or vice versa. I was unaware they added the ability to read file geodatabases. I wonder how they did that without the file-gdb API? That might change things.
Mar
3
comment Hover/Popup feature problem
@shitake, to format code properly, select the lines in question and slap [Ctrl]-[K]