12,065 reputation
133102
bio website linkedin.com/in/ryankdalton
location Whitefish, MT
age 41
visits member for 3 years, 10 months
seen 2 hours ago

I am particularly interested in location analytics, blending Business Intelligence with spatial analysis. Examples include retail/real estate site selection, trade area analysis, customer research, and marketing through demographic analysis.

I use Python for process and workflow automation, database reporting & manipulation, and developing new spatial tools.

I've been a GIS professional for 15+ years, most of which using ESRI tools (since Arc/Info 7.x). More recently I find myself using more open-source tools (QGIS, PostGIS, GDAL/OGR, web-based tools) and ultimately choosing "the right tool for the job" rather than being tied to a single vendor or toolset.


Nov
28
comment Which commercial off-the-shelf GIS server products work on Linux?
It looks to me like gisvm just an outdated (Oct 2011) version of the OSGEO Live DVD ?
Nov
28
revised Is the PostGIS documentation correct for ST_Project?
edited title
Nov
28
reviewed Approve suggested edit on How do you obtain the execution times of processes in qgis?
Nov
27
revised Labels with white (or other color) background
edited tags
Nov
27
revised Retaining original thematic colors in a USA source shapefile
added 5 characters in body; edited tags
Nov
27
comment Register and display real time tracking of my smartphone (gps) on a map
can you expand on your answer and tell the poster WHY you believe this is a good option for their needs?
Nov
27
comment How to redistribute population data using Python in ArcGIS?
@Underdark recently posted an article about her user of Dasymetric Mapping, too.
Nov
27
revised How to create a polyline-based “heatmap” from GPS tracks?
edited title
Nov
27
comment How to create a polyline-based “heatmap” from GPS tracks?
@blah238, After thinking on it a little longer, you provided a very valid answer to my initial question. I should have been more clear on my thoughts. Thanks for your answer, and I have updated my question to more accurately reflect what I was trying to achieve. I appreciate the help.
Nov
27
comment How to create a polyline-based “heatmap” from GPS tracks?
@RomaH, actually, you very well may be onto something with your idea of using the points to generate a heatmap instead of using the lines. I had not considered using the source points before, so this is something I will definitely investigate.
Nov
27
revised How to create a polyline-based “heatmap” from GPS tracks?
added 549 characters in body
Nov
27
comment How to create a polyline-based “heatmap” from GPS tracks?
Agreed, this concept is almost identical, and could easily be done in any GIS. But this is basically suggesting "just make all of your tracks red with a light green buffer" and they will stand out on the map? For visual effect, I will definitely work. I guess I was originally thinking of trying for something more "analytical" that could show "counts" of "runs" in this example. I'll keep mulling it over.
Nov
26
revised How to create a polyline-based “heatmap” from GPS tracks?
edited title
Nov
26
asked How to create a polyline-based “heatmap” from GPS tracks?
Nov
26
answered Register and display real time tracking of my smartphone (gps) on a map
Nov
23
asked Sort layers in QGIS table of contents?
Nov
23
revised How to install PostGIS on Windows?
updated URL to v3 relase blog entry
Nov
23
revised Which GIS (with GUI) produces good-looking maps for a reasonable price?
edited tags
Nov
21
revised How do you define rail network branch geocodes
added 117 characters in body
Nov
21
revised Defining projections for multiple shapefiles in ArcMap?
added 14 characters in body