The study and practice of making maps.
1
vote
1answer
37 views
Data Frame Property options have changed
I have Googled and searched ESRI help files and experimented until I am blue, not to mention reloading ArcGIS Desktop10 for Repair and adding the SP5 to it. I no longer have the options of border or ...
5
votes
1answer
34 views
How to design class breaks for a time series of choropleth maps?
I'm working with a time series of choropleth maps showing the same indicator for the same administrative boundaries, but spanning period of nine years.
What would be the most appropriate strategy of ...
1
vote
1answer
19 views
How to combine use gradient symbols for layer properties excluding 0?
I want to visualize my data by using graduated symbols. Now, there are some objects with value "0", they should not be printed on the map (which I solved by using rule-based symbols). But, anyway, "0" ...
2
votes
0answers
46 views
Is there any method to analyze data from fire protection events ?
I want to analyze data from events in fire protection a create some illustration of maps.
In short: my task is to find methods for data visualization. Data are represented by point layer (each event ...
1
vote
0answers
71 views
How can I map data points to OpenStreetMap (OSM) line data?
my goal is to filter measuring points of vehicles by mapping them to streets.
So I could filter out all the false data located in fields and rivers and so on.
I imported my data into a PostGIS ...
2
votes
0answers
44 views
Why do I get different output from gdal2tiles vs. maptiler?
I am trying to generate map tiles using gdal2tiles for an area much larger than MapTiler can handle. However, my tile caches are not showing up on the maps. I checked gdal2tiles by running the same ...
2
votes
1answer
44 views
How to document GIS analysis?
New to QGIS & GIS-meta
While I know I can annotate within a map, what is being used for documenting your work:sources of data, choices of color/per layer with each map made ( thinking along the ...
4
votes
3answers
203 views
Why aren't 3D Globes used as the basis of GIS systems?
Maps have been around for thousands of years and have been widely accepted as the means of representing spatial information. We all know about several map projections,each with their merits and ...
0
votes
1answer
53 views
ESRI JS API - don't trigger onClick event when panning Map
I have a custom onClick handler for my map that is meant to add a point wherever the map is clicked. I'm finding that this function is triggered even when I click the map to pan. Is it possible to ...
0
votes
0answers
17 views
Changing the background colour in openlayers map [duplicate]
I have the following question - is it possible to replace that white background colour with blue? Tried for a very long time but no good... Also the code was generated, and i am new to this - so it ...
5
votes
0answers
120 views
What does this style of line on Topographic maps indicate
If I was reading the purpose of this stackexchange site right, I could also ask general map questions. Not necessarily regarding software.
Anyways, I was wondering if someone could inform me what ...
3
votes
3answers
69 views
How long for surveying quality GPS to get accurate 3D position information
I recently read an Ordnance Survey Blog article that seemed to suggest that it was necessary to leave the GPS device in use for four hours to gather requisite data. I am aware that "domestic" GPS ...
1
vote
1answer
37 views
Script to either rotate existing text element or insert graphic element
I have about 300 maps that contain a text element that needs to be rotated. I am pretty new to python but I have heard how great it is. This seemed like the perfect task for python but I have had no ...
7
votes
2answers
85 views
What does map scale refer to in map making / field survey metadata?
If I have, say, a printed map at the scale of 1:20000 and the legend says that it was mapped at a scale of 1:10000 does this simply mean, that the surveyors/cartographers made drafts & sketches or ...
8
votes
4answers
280 views
Where to start learning how to make maps with QGIS?
I have no skills in GIS, "map-making," or any other map program. Been a county planner for 25 yrs, where there was always a "drafting" staff. I'm in another agency now and need to be able to produce ...
