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

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3
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2answers
143 views

How to create a dashed polygon border in C++?

In my maps I have a symbol, his type is polygon, I want to change the line style of the border, actually is solid , I had to put it in dash Is there a simple way to change it ? i think to the ...
1
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1answer
125 views

Updating a column in MapInfo based on Symbology or colour

I am transferring a large dataset from MapInfo (V 12.0.2) to QGIS (V2.8.1) and I want to be able to create a column in the MapInfo attribute table that differentiates features with different ...
1
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1answer
72 views

Information about the setDataDefinedProperty

In the QGis C++ API v1.6 there is a function called setlowerValue to set a value for a specific Symbol In my application i use QGis C++ API 2.8.2, i try to understand how the function ...
0
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2answers
273 views

Importing CAD polyline symbology into same polyline but converted to feature class?

I'm working with a CAD drawing (DWG), and I've exported the polyline layer into a file geodatabase. When I add the exported polyline layer to ArcMap, and try to import the symbology from the original ...
1
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0answers
16 views

Is there a established color convention for US Federal Agencies?

Do US Federal Agencies have a convention for coloring the lands under the jurisdiction of each? For example, BLM lands are often yellow, USFS light green, NPS blue or dark green, etc. I've found this, ...
1
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1answer
78 views

How to render the Sea depth level in different color?

I would Like to adapt an old code in c++ using the api qgis 1.6 : const QgsRenderer* lrenderer = pLayer->renderer(); if( lrenderer == NULL ) lrenderer = new QgsSingleSymbolRenderer( pLayer->...
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0answers
58 views

How do I get the default NLCD symbology back after clipping/projecting?

NLCD landcover rasters downloaded from MRLC have default legends and symbology as shown here: http://www.mrlc.gov/nlcd11_leg.php However, when I extract the raster through a mask, or reproject the ...
2
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1answer
150 views

How to avoid a QGIS crash when it is appended a symbol layer in a symbol?

When I run the next code at the Python Console of QGIS with a line vector layer: symbol1 = QgsLineSymbolV2.createSimple({'penstyle':'solid', 'color':'black', ...
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0answers
84 views

Is there any way to mass rename or import field names in Labels in Symbology?

I need to load an .avl that sets the symbology for me, but I also need to give the unique values their name, which is not what the Symbology->Category->Value Field uses, but another field in that ...
0
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0answers
74 views

How to apply symbology to raster and keep labels?

I am using Arcgis and I have this layer file with a specific stretched color ramp and custom High and Low labels. Whenever I apply symbology to any raster (I am doing a batch apply symb with arcpy ...
1
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2answers
275 views

Displaying Buffer overlap in ArcGIS Pro with Intersect

I have created some buffers around some points in ArcGIS Pro, and I am wanting to recognize the area of the buffers that overlap with another buffer within the same layer with a different color. How ...
4
votes
1answer
114 views

How to visualize texture along borders of multipart polygon

I came across this map and would like to replicate the textured styling found along the borders. I'm starting with a multipart polygon but my process has perhaps too many steps. I'm using QGIS 2.8.2. ...
0
votes
0answers
26 views

Layer File Changing with Feature Class Edits

First post on this forum. I tried searching for an answer but really couldn't find what I needed. Feel free to point me in the right direction if I've missed it. I have several oil wells that I plot ...
0
votes
1answer
60 views

New style and symbol with ArcMap

I a beginner with the ArcGIS platform. I would like to create a new style with ArcMap. I try with the menu : Customize -> Style Manager Style Manager : http://hpics.li/9471c73 My new style appears ...
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5answers
1k views

Why is ArcPy script to apply symbology not working?

This is the first python script I have tried to write and I can't find out why it is not working. All I want to do is apply symbology from one layer to another. Working Code: # Name: ApplySym.py # ...
3
votes
2answers
68 views

QGIS: additional description in legend [duplicate]

In ArcMap there is the possibility to have a symbol, the symbol description or layer name and an additional description in your legend Layer Properties --> Symbology --> Fetaures: Single symbol --> ...
3
votes
1answer
227 views

Changing Field Name/Apply Symbology from layer using ArcPy?

Using ArcMap 10.1, I want to use the Apply Symbology From Layer tool, however my field names are not the same. I'm having trouble understanding how to change the Field Names in a layer. I tried the ...
2
votes
1answer
150 views

Adding text background color using ArcPy?

Is possible to add text background color using python on ArcGIS (ArcMap 10)? I wrote a function that able to change font color of the string but I want to add background color to it as well def ...
2
votes
0answers
186 views

How to change the symbology of selected features in QGIS

In QGIS selected features are normally highlighted in a different color to draw user’s attention on the selection. The default color can be changed programmatically. As a nice to have my standalone ...
1
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1answer
41 views

symbology with 2 fields - one for the color and another for the shape?

for example, i have two fields: 1 - a, b, c 2 - X, Y, Z and i want to do like this: a - square, b - circle, c - point X - blue, Y - red, Z - pink and when i have a and Y - it whould be red square.
1
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1answer
80 views

Styling map and generating tiles for Mapnik and/or GeoServer?

I have almost 5 shapefile layers(contains point,line,polygon), now I want to style different layers, for example, different layers, different attributes of the same layer will rendered with different ...
3
votes
2answers
278 views

Rotation of polygon fill symbol using ArcGIS for Desktop?

In ArcMap (ArcGis 10.1) I'm trying to find a way to fill a polygon with a symbol in different orientations. Is it possible? Example: look at the red semicircles, I would like to do something like ...
0
votes
1answer
112 views

How do I get a non-circle marker in a category map on CartoDB?

I have a CartoDB map which has two layers. I want both to display, and I want both to be category maps — there are 3 categories in each which display as three different colors. But I want to ...
1
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1answer
630 views

Changing colours in GeoPandas?

I have a very simple map (http://www.nyc.gov/html/dcp/download/bytes/nybb_15b.zip) and I have never before worked with shapefiles in any way. Can someone tell me what I need to do in order to change ...
2
votes
3answers
782 views

How to Exclude Null or Zero Values from Graduated Colors Classification? ArcGIS 10.3

I have a layer that is classified using graduated colors. I have set it to a manual classification with 7 levels. My 1st value of 0 is not needed anymore. How do I remove the 1st level of ...
1
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1answer
349 views

Display different symbols in QGIS using Point Displacement renderer

How to display different symbols (not different in size, different in shape and color) on the same point in QGIS 2.8 using Point Displacement renderer? I want my layout with symbols around the ...
2
votes
1answer
201 views

Apply Symbology from a Layer

I am trying to update the symbology of a layer with another layer with a python script. I have written a code for this. But I am getting the following error message : ERROR 000732: Input Layer: ...
0
votes
2answers
333 views

Applying symbology to a layer with python, How to only have symbology in TOC that the sub layer has

i am trying to apply a symbology to multiply layers that i have created from one feature class. The original feature class is used to create several sub layers see layer loop this involves using ...
0
votes
1answer
76 views

Append triangular symbols along polyline in ArcMap?

I have a polyline that needs to have triangles placed along the inside of the line as shown in the sample picture below. I've searched through ArcMap's symbology set and thought I could just add a ...
2
votes
1answer
122 views

How can I apply a color ramp to a shape file layer in QGIS 2.8?

How can I apply a color ramp to a shape file layer to show something simple like population variance? If this was ArcGIS, I would do it by using the Quantities tab in Symbology but I have been unable ...
1
vote
1answer
848 views

Export to CAD from Arcgis while preserving the symbology

Is there a way or tool that you can export layers (feature classes - points, lines and polygons) from Arcgis desktop 10.1 into a DWG/DXF, while still preserving the symbol (basic symbol - colours and ...
1
vote
1answer
125 views

Automatically changing the angle of a symbol in QGIS?

I am working with an iron age cemetery in QGIS. I marked every grave in a point layer with several columns; amongst others, burial rite (inhumation, cremation etc.). I inserted a second column for the ...
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0answers
57 views

QGIS symbology to ESRI

Does anybody know how to export the layer symbology from QGIS into a format that can be used by with ESRI products? I have been successful in exporting an XML but it quotes the file type as: !DOCTYPE ...
0
votes
1answer
70 views

in a single vector layer I have a three of polygons with different field values (e.g1,2,3). How Can I color each field value polygon differently?

In a single vector layer I have a three of polygons with different field values (e.g1,2,3). How Can I color each field value polygon differently? To explain a bit more my three polygons are showing ...
3
votes
1answer
67 views

Is it possible to represent points as sparklines in ArcGIS for Desktop?

I have a point dataset with a number of attributes that I would like represent as sparklines (or simple line charts). This is similar to the bar chart symbology found within ArcGIS for Desktop. For ...
0
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2answers
57 views

Where can I find ArcGIS/ESRI sample graphics?

I am looking for sample graphics/pictures that I can use in my program for pinpoints and other markers. Does ArcGIS/ESRI have any that are available to the public? I'm trying to use ...
2
votes
0answers
31 views

Importing ArcGIS colour scheme into QGIS [duplicate]

I've just imported a soil map of Ireland into QGIS. However, all soil associations are displaying in one colour. The associated zip file includes a 'layer file' containing the colour scheme for the ...
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0answers
252 views

Extracting color values from layer to build index using ArcPy/ArcMap?

My university wants the maps we create to become more standardized and so we're changing all the colors on our base vector map. The new standard needs to be indexed and I have the task of creating ...
1
vote
1answer
49 views

Converting symbology from ArcInfo Workstation to ArcGIS Desktop?

I was using UNIX based ArcInfo Workstation software and I have many Data in a coverage file. I need this files to change to shapes to use in ArcGIS Desktop software. By exporting it brings only ...
1
vote
1answer
480 views

Showing top 5 through pie charts/graphs using ArcGIS for Desktop?

With ArcGIS, I have to display pie graphs for each community district. These pie graphs must show the top 5 cars for each district. I already have the spread sheet and the shapefile, where I can join ...
3
votes
3answers
2k views

ArcGIS - possible to set the drawing order of polygon features [duplicate]

I have a table with polygons that I wish to display in a map. I would like the smaller polygons to appear on top of larger polygons. Is there a way to set the drawing order such that the larger ...
2
votes
1answer
670 views

Symbol Selector has Save As button grayed out?

I upgraded to 10.3 from 10.2. I tried to SAVE a symbol but the SAVE AS button is grayed out, rendering saving as not possible. I've tried rebooting, re-opening the mxd... What solutions are ...
0
votes
1answer
85 views

How to publish a single (standardized) QGIS symbology which relates to different datasets of same schema?

Given a specific (locally extended/stored) symbology and styling in QGIS which refers to several different shapefiles or tables (GeoPackage/Spatialite), how can I easily move or share this with ...
1
vote
2answers
301 views

How to show street direction on map?

I am using sharpmap to render my OPEN STREET MAPS (osm) maps. i need to show the direction of one way streets on my map. How can i do that?! After googling i found SharpMap.Rendering.Symbolizer and ...
4
votes
1answer
556 views

Using different symbols and colors for each row in a shapefile attribute table

I have a shapefile where I have a column of individual locations (ID field below), and then a column of yes/no data for each location. Some locations were visited twice and got different results. I ...
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0answers
377 views

Legend of CORINE land cover in ArcGIS 10.x layer file

I am looking for the legend of Land Cover (Corine Land Cover) for ArcsGIS 10.x. as a layer (.lyr) file. I want to symbolize the classes without setting the RGB color values one by one; especially for ...
3
votes
1answer
1k views

How to symbolize null values in ArcGIS using Quantities symbology?

One numeric field in my data involves null values (missing data). When I specify it as quantities in symbology, it turns out that the polygons associated with null values are taken out of the map. How ...
1
vote
2answers
1k views

Changing color and transparency of layer using ArcPy?

I would like to create an ArcPy script to change the color and transparency of a collection of layers. The color and transparency would be based on wildcards such as "_dog" or "_chicken". The ...
0
votes
1answer
112 views

Use Multiple Symbology on single layer [duplicate]

Task: Display multiple symbologies (Gratuated symbols and Colours) on one layer Problem: The symbology keeps overwriting itself, so I cannot get both symbologies at the same time Methods Tried: ...
2
votes
1answer
229 views

ArcGIS dot density for small areas

I'd like to use dot density to display some data in Arc, but the areas (polygons) I'm displaying it for are so small in some cases that I suspect the pattern is being misrepresented. If several ...