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2
votes
3answers
89 views

Want to dissolve adjacent polygons but no common edges

I have a bunch of parcel data, I want to join the polygons basing on the same owner name. Even they are not touched, I want merge them together, such a 100 feet tolerance. The purpose is to show the ...
3
votes
0answers
61 views

QGIS Workflow Problem [closed]

I have 3 SpatiaLite layers (one without geometry but with fields that need to be filtered, one with points and one with polygons, both without any non-geometry fields) that need to be combined to a ...
6
votes
2answers
91 views

How do you store brief cartographical tips, information, possible future designs that you find?

I find inspiring maps and/or brief, 1-line design tips (i.e. "when satellite image is used as a basemap, I like to desaturate the tarnation out of it" that I may want to consider later using in a ...
1
vote
0answers
82 views

Are there limitations with gdal virtual raster option?

I am new at Postgis and I'm groping... I pretend to rasterize some weighty vector layers in Postgis, do some map algebra and reclassification with them and visualize intermediate as well as final ...
0
votes
0answers
25 views

Automatically delete services after a set period of time

Is it possible to automatically delete services after a set period of time? Is the username of the publishing user and the date the service was published saved anywhere? We are trying to implement a ...
4
votes
1answer
238 views

Python script/Model to populate cross street names at intersections

Has anyone created a Python version/model of this VBA script from ArcScripts which populates the to and from street names at street intersections? A logical workflow is outlined quite nicely in this ...
2
votes
1answer
138 views

Using definition queries for scenario testing in ArcMap

I want to be able to run multiple scenarios in a typical ArcMap workflow. This will include making edits to feature classes, such as removing features, adding new features, or changing feature values ...
5
votes
1answer
160 views

Cartographic technique for detailing a 'Focus Area'

I'm working on updating a planning document. Whoever was in charge of cartography last time around used a great technique to identify and showcase focus areas (where to focus money and effort for ...
9
votes
4answers
518 views

Multicriteria Analysis : how to?

I have to do a multi-criteria analysis to answer the question : "which is the best lot to develop". A few of the criterias are : distance of the nearest bus stop (point layer with bus stops) ...
19
votes
3answers
777 views

How do I organize my GIS projects?

I have been struggling for quite a long time now with keeping my project files organized. What are your tips for keeping your datasets, images, shapefiles, etc.. organized?
15
votes
5answers
369 views

What annoys you about your GIS Environment?

Hello Spatially Enabled Folk, I have a question regarding your favourite GIS environment. Over the past few decades, there have been the usual major players, MapInfo, ESRI, Intergraph (Grass?), and ...
5
votes
1answer
200 views

POSTGIS workflow for cleaning up a noisy dataset

I have a conservation dataset that im trying to simplify for the purpose of using it as a GML layer in openlayers, ie reducing the total shape and node count to quite small. The data has issues: eg- ...
6
votes
4answers
1k views

GIS Project Workflow?

If you had to teach someone the key stages to a typical GIS Analysis project, what would be the best generic answer? I would like to see diagrams to illustrate this point. Do not think it requires ...
5
votes
2answers
335 views

Data ETL workflow optimization

I have a legacy workflow that I would like to optimize and automate (at least partially). The current workflow goes like this. I receive a MS Access .mdb file containing a single table. This table ...
6
votes
0answers
341 views

Line selections - “routing” - linear referencing - in ArcGIS

Part of my job is to analyze certain portions of road for our clients. A client will ask, I want to look at Road A from parcel XYZ to parcel RST and Road B from parcel RST to parcel OPQ. The way I do ...
4
votes
2answers
442 views

Workflow in ArcGIS 10

Our agency has collabrated with six townships and one city for preparing an inventory of stormwater network. We are using ArcGIS 10 (2 ArcView licenses) and ArcPad 7.1 (stuck with it since our ...
9
votes
1answer
192 views

Visualization to inference workflow

I provide statistical support for a public health department. As you might imagine, we put together a lot of maps on a regular basis. For me, maps are just another kind of data visualization - ...