The set of conventions, rules, or encoding systems that define how geographic features are represented with symbols on a map.

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0
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2answers
17 views

What is the smallest size a point can be represented on ArcMap 10.1?

I have a large number of points that I need to plot and want to avoid overlaying them wherever possible. Whenever I choose a figure <1 for their size, I don't see any difference, yet ArcMap seems ...
0
votes
3answers
13 views

How can I display a symbol to a specific attibute in QGIS

I have a point shapefile, where I categorized my waypoints with attributes (schools, toilets, etc) and I would like to display certain attributes with specific symbols. How can this be done? Thank ...
6
votes
2answers
48 views

How to decide how to “stretch” raster imagery?

I have to symbolize a digital elevation model. ArcMap offers many different setting for stretching the symbology which all give widely different results. Some stretch methods symbolize the data so ...
6
votes
2answers
117 views

Including labels in map legend and point symbology of ArcGIS for Desktop?

I've been using gis.stackexchange for some time already and time has come for me to ask my first question here. I have point feature class with habitat types. There are two important attribute ...
3
votes
1answer
58 views

What effect does standard deviation have on the display of DEM rasters?

I need to explain why ArcGIS offers the function "standard deviation" when symbolizing rasters with the Stretch method. The Standard Deviation is a measure of how spread out numbers are and is ...
0
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1answer
27 views

Remove cell boundaries of raster pixels converted to vector format

I have a solar radiation shapefile with 10 km x 10 km cells. When I put it on QGIS, many pixels with boundaries take place. Please see the following image: How can I remove them in Qgis?
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4answers
71 views

Apply Symbology to Rasters using Arcpy Script

I have an ArcPy script to apply the symbology of one raster layer to all of the raster layers in the table of contents. I have used this script before with feature layers instead of raster layers, and ...
0
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0answers
27 views

QGIS - Tabular output for labeling

I'm new to QGIS and am trying to figure out how to output labels under a tabular symbology (I would have liked to post a file showing what I want but can't find a way to submit a file) : So my ...
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0answers
45 views

QGIS raster symbology problem in 2.6

With the new 2.6 QGIS version I often have problems with raster colors. For some reason certain pixels do not display initially, but if I move the raster a little spatially they show up.
3
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1answer
261 views

Symbology for Open Street Map [OSM] Data in MapInfo [tab] format

I have shapefiles for the different SOM layers which I have translated into TABs but I am now trying to symbolise them in a similar style to OSM online. Is there a way to easily apply the OSM ...
1
vote
1answer
118 views

Mapserver WMS, features clipped and positioned

How can I prevent features being clipped at tile boundaries in an WMS layer as per the picture The arrow and line segments are being clipped when viewed in openlayers as a WMS layer. The map file ...
3
votes
3answers
82 views

Using SVG from Wikipedia to fill polygon?

I'm trying to use the flag of each region in Italy to fill each region's polygon. I have downloaded the shapefile of Administrative areas for Italy from diva-gis and am now attempting to fill each of ...
1
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2answers
383 views

Does “size scale field” in QGIS actually work?

I'm having mixed results with the 'size scale field' aka graduated symbols in QGIS. Some forum posts out there say this feature is broken - others can get it to work.
1
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0answers
45 views

QGIS 2.6 Brighton - Graduated Symbols

I can't get graduated symbols to show in QGIS 2.6. This is what I have done. I have two fields of type integer, saved as a shape file which I have tried to import as a shape file and as a secondary ...
2
votes
0answers
16 views

QGIS - assign different colors for SVG markers also in categorial / graduated symbols?

I understand it is possible to customize the color of an SVG marker via param(fill) However, I have to set the color manually, and cannot automatically assign it through categorical or graduated ...
0
votes
1answer
248 views

Add Point Symbol and Zoom to Address using Geocoder Widget

I'm following the tutorial here and it's not working: https://developers.arcgis.com/javascript/jstutorials/tutorial_geocoder.html Issue: I just want to add a point symbol and zoom in for the address ...
1
vote
1answer
44 views

How to portray symbology with multiple attributes?

I have four columns, (A, B, C, D) and each can be ranked 1, 2, or 3 (point data). I would like to portray each category at once based on colors assigned to the rankings (1 = green, 2 = yellow, 3 = ...
1
vote
1answer
174 views

ArcMap Symbology: Assign Color by one attribute, symbol by other attribute

I've got a question concerning the symbology in ArcMap. I want to use the Unique values/Many fields option to assign unique values based on three attribute fields. To symbolize the first attribute ...
1
vote
1answer
182 views

Convert shape file to kml without losing symbols

I am using QGIS 2.2 and want to convert a shape file containing point coordinates with userdefined svg-symbols to a kml file. Everything seems to work. The orginal file is in WGS 84 / UTM zone 32N ...
1
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0answers
27 views

QGIS symbols using “advanced — size scale field” aborts rendering if encounters negative [closed]

Not sure if this is new in QGIS 2.6 Brighton, but I was struggling to get my points (small area centroids) to properly scale in size based on attribute values (population growth). Only a few dots ...
4
votes
4answers
362 views

Manually classifying graduated data outside of range in ArcGIS

I have two shapefiles representing grids with values that are symbolized with graduated colors, shown below: You can see that the two shapefiles encompass similar ranges of data, but assign ...
0
votes
1answer
45 views

arrow-symbols won't rotate

I created my own marker symbols (arrows) for point features. Now I want to rotate them with the Rotation-Tool from the Editor-Toolbar, but the Arrows always snap back to their original horizontal ...
0
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0answers
11 views

ArcGis Join Data CSV Problem [duplicate]

I have been trying to use ArcGis Desktop and ran into some problems while joining the data from a csv file with the shp file. I can see the attributes that have been added in the attribute table but ...
1
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0answers
60 views

ESRI Javascript - Print Task GP Service - Symbology Issue

I am using the ESRI js API, and using a python GP service to run a print task to PDF with custom layouts. This works great, except when i have any map service enabled in the map. The layer in the ...
1
vote
1answer
119 views

Copying representation symbology from one ArcSDE version to another?

We are having problems with our representations when copying from an ArcGIS 9.3 database to a 10.0. Representation symbologies with dash patterns (dots, dotted lines etc.) are reset to default ...
1
vote
1answer
27 views

Add Layers to Map Display from script with default symbology

I have a script that runs IDW iterations and I'd like for the files to be automatically added to the map display after they are produced and contain the default symbology that ArcMap generates when ...
1
vote
0answers
52 views

Apply graduated symbology renderer works in Python console but not in standalone script

I use the following PyQGIS script to load a vector layer from a shapefile and apply graduated symbology to it (tried to make it as minimalistic as possible). This works well in the QGIS 2.4 Chugiak ...
2
votes
1answer
107 views

Display a raster stack with several bands in ArcGIS?

I have already made a raster stack (5 bands in one TIFF) of my multitemporal Landsat images in R and have also clipped a smaller region of every raster stack for each image. Now I want to do some ...
1
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0answers
36 views

Can not load Arcmap 10.1 styles

I'm having a problem applying existing styles and loading new ones. I go to customize > Style manager and i see that it is empty. After, i click on Styles tab and i select from the list the ...
15
votes
3answers
308 views

Zigzag Line Symbol in QGIS

I'm looking for a zigzag line symbol in QGIS. Is there perhaps an easy way to do this that I'm missing? I have tried creating a marker line using a simple triangle marker (^) and adjusting the size of ...
0
votes
1answer
35 views

Error Applying Symbology to Shapefiles

I'm trying to apply symbology to my dataset after it is populated to the map display, but I am getting the following error. Have I placed the ApplySymbologyFromLayer code incorrectly? Traceback ...
0
votes
2answers
68 views

Symbology tab in Layer properties

I want to symbolise based on the values, so for example I have many value fields (see pic) The map is drawn so that all these values have the same symbology and are not distinct. I tried to add all ...
2
votes
0answers
33 views

Unable to rotate Marker Line Symbols

I have a line feature class that I am trying to symbolize with a Marker Line Symbol type. I have my symbology set up but I am having a problem with the rotation angle. When I enter an angle in the ...
1
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0answers
30 views

Wrong Display in Line Symbol and Gradient Color

I create a line symbol with specific gradient color and below control template: <ControlTemplate> <Path x:Name='Element' StrokeThickness='10' UseLayoutRounding='False' ...
0
votes
1answer
135 views

Mapfile SYMBOLSCALEDENOM and SIZEUNITS (miles) 200: Keep SIZEUNITS while circles change size based on zoom

I've been trying to understand how to keep the SIZEUNITS at 200 while the circles appropriately adjust based on zoom level. Thought I had this working properly but turns out I did not. You can see ...
1
vote
1answer
2k views

Exporting Symbology from ArcGIS for Desktop to Microstation or QGIS?

I am using ArcGIS 10.1 for Desktop and trying to figure out how to export my symbols of elements in ArcGIS to CAD or QGIS readable format. The problem is, that I can export symbology to a Style, or ...
0
votes
0answers
32 views

unable to plot the values for the individual fields in my table

I'm having problems adding tabular data to an ArcGIS project and need some help! Example of my table is below (please note that the fields have been edited since the capture was taken to remove any ...
1
vote
1answer
33 views

Changing individual symbol [closed]

How can I change an individual symbol on my map without changing all the other symbols? I can't click on an specific point to specify the picture.
2
votes
1answer
59 views

Disappearing attribute values

Using ArcMap 10.1, I’m editing values in a feature class which was sent to me from within my organization. I realized I had a problem when trying to change the symbology of this feature class- the ...
2
votes
2answers
116 views

Rotating Chart symbols with ArcMap dataframe?

I am using ArcMap 10.2 and want to represent a layer in a rotated dataframe with chart (graph) symbology. The problem is that the charts do not rotate with the dataframe: I thought I could convert ...
1
vote
0answers
47 views

Creating custom polygon symbol using ArcGIS Desktop?

How can I create a custom polygon symbol? I already played with layering the symbol levels to no avail. I think that I need something a little more advanced than that. I'd Like to get something that ...
1
vote
0answers
51 views

How to change color ramp in graduated classification with standard deviation using pyqgis

I'm using graduated clasiffication with standard deviation to style my shapefile (see code below). But I need to use different color ramp for classes below mean (-1std, -2std etc.).I'm thinking of ...
2
votes
1answer
131 views

QGIS link values longer than the links?

Can you please help me to correct link rapresentation when the thickness exceed the links. In the image you can see the value on two consecutive links that generate a bad view. I think it depends on ...
10
votes
1answer
2k views

How to create desire lines in QGIS?

How can I show the flow coming from an Origin-Destination matrix as desire lines? I need a result like the one in the picture below. I need to scale them proportionally to its value (coming from a ...
4
votes
1answer
136 views

Are there any geology symbol libraries for QGIS?

are there any structural-geology symbols libraries (and geology in general) for QGIS? Many thanks
3
votes
1answer
93 views

ArcMap - Display direction of points

I imported a few geotagged images and created a points shape showing their locations (or more accurately, the location of the camera) with the "Geotagged Photos to Points" tools. The attribute table ...
0
votes
0answers
28 views

Categorizing polygons instead of using default single symbol in ArcGIS for Desktop?

Is there any way to change display polygon from single symbol (default setting) to categorize? So far, when I added a feature polygon into the table of contain, it will be displayed as only one ...
2
votes
2answers
121 views

Standard deviation classification in QGIS

Is it possible to implement Standard deviation classification in QGIS symbology of a layer like in ArcGIS: http://webhelp.esri.com/arcgisdesktop/9.3/index.cfm?TopicName=Standard_deviation I need to ...
1
vote
1answer
91 views

Stretched raster symbology not working in ArcGIS for Desktop?

I have some DEM rasters (from the same data source so I think they're uniform in all file specifications) that I'm symbolizing using the same stretched color ramp. I set the stretch type to min-max, ...
2
votes
0answers
15 views

Splitting overlapping points with same symbology in ArcGIS for Desktop? [duplicate]

I'm using a Basic license of ArcGIS 10.2.2 for Desktop. I have a point feature class layer and I uploaded it twice for representing 2 features. first is a type of person & second is the ...