Questions tagged [display]

Visual representation of data

Filter by
Sorted by
Tagged with
30
votes
3answers
36k views

Displaying only selected features on map in QGIS?

Not sure if this option ever existed, but the new QGIS version hides a lot of things somewhere else and this seems so simple that I'm kind of convinced it was possible to do this before. I have quite ...
20
votes
6answers
15k views

How to improve rendering performance of a very large shapefile?

I have a polygon shapefile that has a 100MB .dbf, and 500MB .shp file component. The reason it is so large, is that it is classified as a landbase for a whole district. Everytime I view the file in ...
12
votes
3answers
3k views

How to Display Overlapping Lines?

I have multiple line layers that represent bus routes and many of the routes overlap (i.e. near terminals, transfer locations, etc.) Is there a function in Qgis which will display both features next/...
9
votes
3answers
4k views

Displaying raster Background Value as hollow for more than one set of RGB values using ArcMap?

I have two overlapping .ecw layers of the same area, though one is clipped in the middle, with a white edge. When I set the background value to 255,255,255, and define it as hollow, it only hollows ...
8
votes
2answers
2k views

Displaying huge geotiffs (or vrts) with QGIS?

I am manipulating and processing global rasters at 30m resolution. The total raster sizes are usually [1,440,000 560,000]. I have access to a supercomputer, so I have written code that allows me to ...
8
votes
1answer
6k views

what dictates the drawing order of overlapping features with in the same layer/feature class in ArcGIS?

I know that in ArcGIS drawing order is controlled by layers, and if I want to make some features be drawn on top of other features I can use definition queries to separate them into different layers ...
8
votes
1answer
4k views

Shapefile Polygon does not display in QGIS

I am attempting to import a Shapefile into QGIS. When I import it, the boundary is shown on the list, but when I try to view it in the mapping area, it does not show up. I can get it to show the ...
7
votes
1answer
682 views

Auto-Update Color-Ramp to Current Display Extent

When displaying raster files in Qgis with the color-ramp stretched to the min/max values of the current display extent, the min/max values don't update automatically when zooming or panning to a new ...
6
votes
1answer
580 views

How do I tile raster input to speed up display in R Shiny programs?

Disclaimer: I have very little GIS experience I've been working on a project in R that involves displaying large raster maps in an R Shiny interface. I am using the leaflet package for display. The ...
5
votes
2answers
501 views

How to change the display order of proportional circles in QGIS 2.10?

I'm making a map with proportional circles based on point data. I want the biggest circles to be displayed below the others and the tiniest circles above. Unfortunately the default view is different : ...
5
votes
2answers
978 views

Soil maps - displaying specific soil types QGIS

I'm trying to isolate a couple specific soil types from the GIS soils layers for a county in my state in the US. I downloaded the data: ftp://ftp.igsb.uiowa.edu/gis_library/Counties/Adair/soil_01/...
5
votes
1answer
222 views

Display Multiple Symbols for a single point feature by field attribute vale

I want to create a point feature layer and add points. Around the point I'd like to add icons/symbols and labels based on data in fields of an attribute table.
5
votes
1answer
95 views

QGIS rendering TIFF color with wrong color

When I try to display a GeoTIFF image with single band pseudocolor, the style seems to be wrong for values out of the range 255. The legend is shown as The green pixels have a value larger than 255....
5
votes
2answers
166 views

Unfolding polygons and other feature classes in Antarctica-like fashion using ArcGIS Desktop?

Is there a way in ArcGIS Desktop 10.4 to 'unfold' (reshape/modify) feature classes, e.g. a polygon of a circular city, to make them look similar to a Mercator or plate carrée projection of Antarctica, ...
4
votes
3answers
602 views

How to make two attributes display simultaneously on one shapefile?

I am trying to make a map that displays both an incidence rate of a type of cancer and also display at the same time a percent of the population per state that has a certain vaccination. I've added ...
4
votes
2answers
2k views

ArcGIS Pro not displaying shapefile?

I am using ArcGIS Pro 1.4 on a laptop with the following specs: Windows 10 Home 64-bit Intel(R) Core(TM) i7-7700HQ CPU @ 2.80GHz Memory:16 GB @ 1200 MHz NVIDIA GeForce GTX 1060, 6144 MB (Just ...
4
votes
2answers
1k views

Change a raster from longitude display (-180, 180) to (0, 360)

Using R software, I want to modify the attached raster in order to visualize it centered on the Pacific Ocean. Indeed, I need to show the entire Oceania: in my opinion I have to shift from (-180,180) ...
4
votes
1answer
2k 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 ...
4
votes
2answers
3k views

Changing default decimal places displayed in ArcGIS Pro

I am using ArcGIS Pro 1.4.0. My current problem is that all new numeric values (float and double) are being rounded into whole numbers in the attribute table of shapefiles. According to this ArcGIS ...
4
votes
2answers
124 views

Bring a single point forward for display

I am attempting to display various shellfish species on a map. The shellfish layer is organized so that the species display in the desired order on the legend. However, the result is that one point is ...
4
votes
1answer
447 views

ArcGIS Desktop cannot display simple TIFF image created with GIMP (graphic software)?

I have the following issue: I used the graphic software program GIMP to create a really simple TIFF image - white background layer, a couple of black polygons on it. For some reason I can't import ...
4
votes
3answers
177 views

QGIS Joined Layer not displaying points visible on pre-join layer (No Extent)

I have a shp file which is the output of the Toolbox Check validity tool in QGIS 3.4.3 The points display for me correctly but if I then join the layer with a csv attribute using the toolbox Join ...
4
votes
1answer
696 views

How to change the settings for where ArcGIS splits world data

I have a world map made up of 6 shp files. All the files and the data frame are set to WGS84. The way Arc 10 and 10.1 decides to display the files, it splits Russia into 2. The majority of Russia ...
3
votes
3answers
6k views

High resolution screen on ArcMap?

I have an Asus ZenBook Laptop with a 3200 x 1800 touchscreen, i tried enlarge icons but the ArcToolBox and other icons not fit on a 13.3 inches display. Other "more common" apps that do not have much ...
3
votes
1answer
167 views

ArcMap can't switch layers order

I have 5 different layers. I would like to change the order they are drawn. I read that (and I also used to) simply select and drag the layer from in the position I want. Nevertheless, now I am trying ...
3
votes
3answers
344 views

Change display of a shapefile to draw the smaller polygons in front of the bigger ones

I have a polygon shapefile, with overlapping elements. Currently, QGIS displays the biggest one on top of the others, which hides the smaller ones behind. Is there a way to change this behaviour and ...
3
votes
1answer
5k views

ArcMap not recognising CSV file headings?

I can't get my maps to work because of an issue I'm having with my CSV files. I'm trying to import coordinates and heights of wind turbines, and radius for a viewshed analysis and it works on the ...
3
votes
2answers
102 views

Displaying of flight altitude in QGIS 3.4

I have seen Google Earth screen grabs of GPS bird trackers that show the altitude as a "curtain" extending down to ground level from the track. Is this possible in QGIS?
3
votes
1answer
2k views

World map different projection

I want to display something on a world map. I have these shapefiles http://thematicmapping.org/downloads/world_borders.php I want my map to look something like this: or I am using QGis. Is that ...
3
votes
1answer
2k views

openlayers display projection

I'm displaying coordinates in EPSG:900913 using ol.control.MousePosition() with OSM. I'd like to convert these on the fly in another EPSG:2154. I call in the header : <script src="./proj4js-1-1-0/...
3
votes
1answer
308 views

GeoRSS reprojection

Sorry I'm newbie in ESRI API javascript, I'm trying to to change the GeoRSS projection from from 102100 to 54030. could anyone give me a hand?! please! my project script is: var map; require([ "esri/...
3
votes
4answers
74 views

Inconsistent raster image display in ArcMap

I loaded a WorldView 2 satellite image into ArcMap 10.5, however the tiles display in an inconsistent color and shade. All 9 tiles are from the same WorldView image. How can I get them to display ...
3
votes
2answers
479 views

Display value relation QGIS

I have layers loaded from PostGIS into QGIS(2.14). Since it is a database and I try to respect the normalization rules, datas are not always stored directly into the layer table, and sometimes they ...
3
votes
1answer
121 views

How to combine several datapoints in one location to a single point varying in size accordingly?

This might be a very simple thing, but I just can't figure it out how to do it in QGIS (alternatively I'm also grateful for explanations for ArcGIS). I have a fisheries dataset with multiple catches ...
3
votes
1answer
2k views

Set unique values to different groups programmatically

I have a polyline feature layer. After doing some computation, I update a field of that layer and want to set unique color for different value of that field. We can do this from symbology using unique ...
3
votes
1answer
101 views

Disappearing Field Boundaries in ArcMap?

I am creating some polygon features that map farm field boundaries. After creating about 3-4 of them, I noticed that the first one I created disappears from the Map View. If I look at the attributes ...
3
votes
1answer
53 views

Displaying Raster Source Information

I have a large number of raster files I'm working on. I need to figure out how each of the files was processed from. I have a composite land cover map and would like to view the file names and ...
3
votes
1answer
343 views

How to sort attribute table using ArcObjects/VBA code?

I'm using ArcMap 9.3. Shift the rows order display (ascending/descending) for a given field is as simple as double clicking on the screen. However I'd like to know how to perform this simple ...
3
votes
1answer
275 views

Showing map in Grass Layer Manager/Map Display via Python

I've created some raster(tif) maps using Grass libraries in Python. I want to opem them automatically in Grass GIS Map Display or Layer Manager after creation. I don't want to use GUI for this. What ...
3
votes
0answers
195 views

Randomly limiting number of features QGIS displays for specific point layer?

I have a map with various point layers (e. g. shops, bars, hotels). Some of these contain many features and the map is overcrowded – particularly in urban areas. Hence, I would like to (randomly) ...
3
votes
0answers
289 views

Change the pop-up order of overlapped points in Portal for ArcGIS / ArcGIS Online [closed]

For maps on ArcGIS Online or ArcGIS Portal, is there any way to decide the pop-up display order of multiple completely overlapped points? For example, two icons having the same Lat & Long in the ...
2
votes
2answers
2k views

Don't display records with null values

I have shapefile with 4000+ points and I would like to display only records that have values greater than zero in a specific column. How do I stop ArcGIS from displaying all records including those ...
2
votes
2answers
130 views

GIS software that can work only on Ubuntu Terminal? [closed]

Recently, I tried to open a QGIS project on Ubuntu, but I can only use Ubuntu's terminal for that which gives me the following error: QGIS starting in non-interactive mode not supported. You are ...
2
votes
2answers
527 views

.xml missing in shapefile, problems with displaying in arcgis

This morning when I opened my .mxd (ArcGIS version 10.2.2) several shapefiles were not showing in the data view window or selectable. Zoom to layer also did not work. The attributes of the shapefile ...
2
votes
4answers
1k views

Display two generated tiles on one map using Openlayers

i have a multiple Geo-referenced tiff I want to display Two TMS layer on one map. in another way i want to display tow tailed tiff image in the same map like the picture bellow using Openlayers ...
2
votes
1answer
208 views

How to keep QGIS plugins always on top of the main window?

When writing a simple QGIS 3 plugin via Plugin Builder 3, is there a simple way to tell QGIS not to hide the dialog box when the mouse clicks outside it? I have tried a few options without luck, How ...
2
votes
1answer
162 views

QGIS: I can barely see the labels in layer panel

So, I finally bit the bullet and upgraded to QGIS 3.2.3 Bonn. However, for layers that are not turned on the font is a super light grey in the layer panel and I can barely read it. How can I change ...
2
votes
1answer
218 views

Multiple display of vector layer in a QGIS plugin interface

def initGui(self): """Create the menu entries and toolbar icons inside the QGIS GUI.""" icon_path = ':/plugins/cropEt/icon.png' self.add_action( icon_path, text=self.tr(u'...
2
votes
4answers
404 views

Workaround for AxMapControl painting issue (only problematic at certain screen resolutions)?

I have a .NET application dependent on ArcGIS 9.3.1 which I am upgrading to ArcGIS 10. I have an AxMapControl sat in a panel in a split container on a tab. The Dockstyle is set to Fill. Since ...
2
votes
3answers
3k views

How to speed up redrawing of layers (from shapefiles) in MXD? [duplicate]

How do I speed up the process of redrawing layers in a MXD? I have already tried reloading and indexing the layers. The layers were created from shapefiles.