1
vote
1answer
64 views

List of Offensive Symbols/ Colours for Cartography

I was at a data visualization workshop a few days ago and someone there asked if there are any symbols/colours that might offend people when making charts, the presenter didn't really understand the ...
2
votes
2answers
76 views

Key for a Heat Map

I have a question about heat maps and the correct way to describe the results. I have a dataset of small historic territorial units which vary greatly in size in different parts of a country. I want ...
1
vote
1answer
119 views

Is there a standard for oil pipeline symbology?

DEAR PEOPLE FROM THE FUTURE: Here's what we've figured out so far… To develop a map for specific public is recommended using some special symbology. I am in charge to develop a map for an audience in ...
5
votes
3answers
223 views

Should I use a discrete or continuous scale for coloring a chloropleth?

I am making a choropleth for an upcoming local race using D3. There are two candidates running for an election. For any given polygon on my map, if the red candidate has more votes, the color should ...
0
votes
2answers
71 views

How can you insert a custom symbol?

How can you use a custom symbol for either dot density or proportional symbol maps in QGIS? Is there a way to import a symbol of your own such as a drawing or image that you can create or download ...
5
votes
2answers
126 views

Which true type editor do you use to create/modify point symbols for GIS?

Which true type editor do you use to create/modify point symbols for GIS and what are the advantages and disadvantages of the tool? I am looking for a true type editor to create/modify custom point ...
5
votes
1answer
69 views

How to achieve Gradient Fills in ArcMap?

Does anyone know of a native way to achieve the gradient fills like the ones in the attached picture (map_1)? The circular and rectangular fills that I see already in ArcGIS' symbology choices don't ...
1
vote
1answer
51 views

How to symbolize a large amount of points with lots of color

I have an interactive map with a very large amount of different points. Depending on user selection, various points are shown or not-shown. These points are divided into several categories, each ...
1
vote
0answers
64 views

Is it possible to use USGS .shd files in QGIS?

Has anyone successfully used QGIS with US Geological Survey shd files to map geology - specifically to display colors and geological symbols (dip/strike etc) stored in a USGS supplied shd file. ...
0
votes
0answers
316 views

Group/Cluster point symbols together in QGIS and export to SLD

I want to group symbols together in QGIS when they are displayed to close together and thus clutter a map. As the user zooms in these should then be separated. The result should be exportable to SLD ...
1
vote
0answers
87 views

Road Symbology Issues

I have preparing road symbology using Arcmap 10.1 version. When I was prepared attribute based symbology as a layer shown on symbols were overlapped. I have attached an example image to show the ...
1
vote
1answer
102 views

How to symbolize more than one attribute simultaneously in QGIS?

Each symbol can show different properties such as temperature and pressure, etc. I want to change the symbol color according to one property and size with another one. How can I do it in QGIS? Thanks! ...
7
votes
3answers
241 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 ...
6
votes
0answers
88 views

What are common ways of presenting features that share coordinates?

When I encounter features of the same class, but with identical coordinates I lay them out in a spiral arm formation. I chose to pick the initial radius and angle at random (can't recall my actual ...
8
votes
3answers
467 views

How to present three spatial variables in one map? [closed]

I want to assign 3 category of variables in a single map. In other words, I have to produce a cartographic visualization of the damage including a legend listing: damaged surface area in the ...
5
votes
2answers
299 views

Can you print cross-hatch area fills like they appear on screen?

I'm trying to use a cross-hatch symbol on polygons in QGIS. When displayed on screen, they look just fine - both in the map and in the composer. The problem is when they are rendered to an image ...
1
vote
1answer
756 views

Is there a simple way to create a new custom vector marker symbol for ArcMap?

I would like to create a set of custom marker symbols for environmental sampling locations. I need there to be "vector" marker symbols not picture symbols. I've tried picture marker symbols and there ...
3
votes
1answer
113 views

Is the ArcMap style database format available somewhere?

The *.style files are MS Access databases where each style type is a table. The table has one binary column where the actual style is written. Is this binary format available? I would like to import ...
2
votes
0answers
139 views

Symbol Level in ArcGIS 9: 'Broken' look of symbols, how to resolve

I am using symbol levels in ArcMap to style roads so that I have a banded feel. My problem is that at intersections and sharp turns, the cartography gives a broken effect in the road. How can this be ...
19
votes
2answers
1k views

Color polygons so each is distinct from its neighbors

I'm using ArcGIS 10, and I have a layers of 2010 Census blocks, block groups, and tracts. There are thousands of polygons in these layers. I want to color them so that each is distinct from its ...
2
votes
2answers
215 views

Is there any swamps/marshes symbol using Quantum GIS?

I am having hard time to find nature symbols for polygons. Any tips to find more symbol (any plugins?)
4
votes
2answers
359 views

Examples of Creative Cartography

I am looking for some examples of creative cartographic output. I am planning for something like a mixture of cartography, graphic design and spatial information. The output will be initially in ...
6
votes
2answers
866 views

Printable Esri symbol sets, a.k.a. style references

Does anyone know of good printable documents of the as-shipped Esri symbol sets, also called Style References? The new with Arcgis 10 ability to search symbol sets is a great boon, but one can still ...
2
votes
1answer
483 views

How can I apply symbology from two layers to one feature class with common features using ArcMap 10?

Say I have two layer files. Layer file 1 has symbology for feature types A, B & C. Layer file 2 has symbology for feature types B, C & D. In these two layer files, feature types B & C are ...
1
vote
1answer
123 views

Looking for symbology for NAICS codes

I am curious if anyone has come up or has a good graphic style they can share that is symbology for NAICS codes. I have a large dataset that I want to symbpolize based on the 2 digit NAICS industry ...
4
votes
3answers
671 views

How to place multiple symbols on one polygon centroid?

I am using QGIS for visualizing the health conditions of elderly living in an old age home, some of the elderly have multiple medical device with them and I want to show them on the map. Suppose I ...
6
votes
3answers
908 views

How to normalize choropleth maps of census information?

I'm trying to improve on the census-based maps on this site, which shows census values at 5 scales from Collection Districts through to State. Currently the maps show whole numbers (eg total ...
11
votes
1answer
513 views

Is there a “correct” way to order legend items (high-low or low-high)?

When you symbolise a layer in ArcMap, the symbols are ordered from low value to high value by default. Is that necessarily "correct"? I've never officially studied cartography - is there a convention ...
3
votes
1answer
346 views

Is there an international standard with GIS symbols for power distribution objects?

Like I said in title, Im wondering if there is a standard that points out symbols for power distribution objects, power plants etc... Thanks
10
votes
3answers
873 views

Crime mapping symbology

Are there any standard, publicly available symbol sets for crime mapping? What are their intended applications and their strengths and weaknesses?
5
votes
3answers
249 views

Is there a recomended method for symbolizing inland lakes, streams and rivers in a topographic map?

I produce a lot of maps with inland lakes, rivers and streams overlaid over a dem surface symbolized with a color graduation (green for lows and brown for higher elevations) I also use a ...
4
votes
2answers
871 views

Are there water/wastewater utility GIS symbols for electronic markers?

I hesitate to ask for standard symbols, but is there a de facto standard symbol(s)? Or a popular set of symbols to use for electronic markers? Our utility will soon start marking with electronic ...