A heat map is a graphical representation of data where the individual values contained in a matrix are represented as colors

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10 views

How do I create an inverse-distance weighted attribute mean map?

An attribute-weighted heatmap applies inverse distance weighting to each point in a set proximity and adds them all up. I am searching for a tool in QGIS or another software that allows me to do the ...
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47 views

Programmatically generate a heat map based on the the lat and long values

I am new to Arcgis and i am using version 10.2. I am using C#/.Net I would like to programmatically generate a heatmap based on the list of coordinates that i have in DB. I am stuck on how to ...
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14 views

arcGIS heatmap of routes, populating counts for shading

im currently making a heatmap in arcGIS of routes, it's creating polyline features of different shades. I used this guide: https://luke-webber.github.io/polyline-heatmap/. however, I cant get the ...
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24 views

arcgis create heatmap of line features [duplicate]

I have very little GIS knowledge as a math/cs student. i'm doing a project that requires me to find which pieces of highway are the most frequented based off my information. I want this displayed in ...
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92 views

create heatmap from coordinates [duplicate]

computer science student here, haven't done much in GIS, just trying to finish a project for a class. What I have is a CSV of origin/destination points as co-ordinates (longitude and latitude) what ...
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1answer
53 views

Plot a world heat map with mollweide projection in R

I have a data set with global observations with lat/lon information. There are 288 longitudes from -179.375 to 179.375 with spacing 1.25, 180 latitudes from -89.5 to 89.5 with spacing 1. There is one ...
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1answer
50 views

Adding heatmap legend to print composer in QGIS

I have created a heatmap from points layer's style property. However when I add a legend to the print composer I do not get anything in the legend except the layer name, how can I add the color ramp ...
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2answers
54 views

Style Torque Heatmap CartoDB CSS

I'm trying to style a torque heatmap in Cartodb based on a weighting value(pntcnt) rather than sum of points in an area. I think i've generated the appropriate value with the -torque-aggregation-...
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1answer
114 views

leaflet.heat heat map highlighting overlapping areas

Lately I've been working on heat maps using the leaflet.heat plugin. I have a set of points in the WGS84-system with the following structure: latitude | longitude | weighting | type The weighting-...
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1answer
115 views

Styling a heat map based on point attribute, not density

I have a point dataset generated from getting the centroid points from a fishnet/polygon grid. I combined these points using a spatial join to give them an attribute of 'pressure' which is an integer ...
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2answers
100 views

Quantitative vs Qualitative heatmap

I'm having a debate with a colleague of mine over whether generated heat maps are quantitative or qualitative in nature. The underlying data source is GPS points. The GPS devices that we use are ...
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18 views

Heat Map - Visualize Weather Data Across Continental United States

What i would like to do is to produce a heat map representing temp across the continental United States.. I am using a service from NOAA to gather Temperatures. var tempF = new FeatureLayer("...
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28 views

Convert rasterfile into shapefile for ArcGIS Online upload/integration

I am looking for a way to integrate a heatmap (rasterfile - created in ArcGIS 10.1) into an ArcGIS Online project. <- Since it only allows Shapefiles (& .txt & .csv & GPX) and no ...
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1answer
41 views

Creating custom SLDs for Heatmaps using GeoServer

im trying to figure out whether it is possible to create a custom SLD to style heatmaps provided by GeoServer depending on dynamic data input. Already checked out the Rest api and some related ...
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3answers
68 views

QGIS Heatmap by value (NOT by point-densty)

I need a heat map generated by points value irrespective of how close or far apart the points may be in QGIS 2.6.1 So far I'm using the raster/heatmap/heatmap function. I need the same colour to run ...
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1answer
112 views

How to create a heatmap with numbers using Leaflet map?

I wish to create a heatmap like this one at http://www.trulia.com/local/san-francisco-ca/tiles:1|points:1_crime With the number changes at different zoom level - the number can appear in a mouse-...
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1answer
181 views

QGIS: what is the difference between heatmaps and interpolation plugins?

I need to generate a raster looking like a « heatmap » based on a points layer. On this layer, each point represents a nest (bird population study). I need to produce a nest density map (raster) from ...
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2answers
84 views

Clip a heatmap made from point layer (not heatmap plugin) in QGIS

So I'm just trying to make a heatmap based on 13 points I have which are the centroids for 13 regions in a country. The attribute of 'water percentage' is what I would like to base the heat map off of....
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1answer
57 views

Carto DB - problem with animated heat maps

I want to create a map that shows multiple points changing over time. So the animated heat map seems perfect. To explain why it isn't working I'll need to tell you a bit about the data I'm mapping. ...
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1answer
160 views

How to use weighted heatmap in CartoDB?

I would like to make the CartoDB heatmap use weighted values from a column in the dataset. I tried to find the option in the wizards and the docs but I couldn't find anything. Is there a way to do ...
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1answer
37 views

Getting exact maximum daily temperature using remote sensing?

I have a problem I want to find the land surface temperature of Bangkok using landsat8. I have everything to get it but the problem is landsat images are obtained during morning time but the maximum ...
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29 views

About land surface temperature?

I have a problem I want to find the land surface temperature of Bangkok using landsat8. I have everything to get it but the problem is landsat images are obtained during morning time but the maximum ...
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1answer
142 views

Generating a heatmap with the twitter search term using cartodb api

I have a search box in my UI and a div for displaying maps.if i enter any term in the search box, say for example (chennai rain) does cartodb has any api or sample codes to generate a heatmap for that ...
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131 views

Plotting points with ArcGIS API for JavaScript

I have set some latitude & longitude values that I would like to show on my heated map using "Esri/geometry/Multipoint". I have specified some json data in a variable called mpJson that I would ...
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1answer
58 views

cartodb torque heat wizard disappeared

I checked yesterday and today (2nd of December 2015). The cartodb 'torque heat' disappeared from the wizard. Is it something known or temporary? Here is the information of what is (or should be) ...
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1answer
249 views

Creating Heatmap from attribute value of point features in ArcGIS for Desktop?

I've run through tutorial from ArcGIS on how to create a heat map using Spatial Analysis. Based on the example, point features are scattered around the map and we need do the following to generate ...
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17 views

Heatmap renderer geoprocess result?

I have a geoprocess that returns a featureset of points. from this i create a feature collection and from the collection i create a feature layer. when i try to attach a heatmap renderer to the layer ...
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41 views

How can I use a spatial analysis tool (vector to raster) and keep date/time data?

I have a large point file of 18,000 points. These include amount of contaminants found in water samples from each point on different sample dates. For example the columns of pertinent data might ...
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846 views

R : How to build heatmap with the leaflet package

I read a post about interactive maps with R using the leaflet package. Very interesting by the way. In this article, the author create a heatmap like this: X=cbind(lng,lat) kde2d <- bkde2D(X, ...
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2answers
174 views

Devide heatmap into meaningful clusters

I created a heatmap containing population density data. Now I want to figure out the hotspots of this heat map. In other words: Where are the biggest population densities in my map? My first thought: ...
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1answer
504 views

Creating thematic map where individual points are basically grid in MapInfo?

I want to plot a heat map which shows the different usage in different areas. But the thing is, in my original dataset, the data got truncated, which means that each point represents a small area ...
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57 views

Temporal Heat Map using Leaflet and ESRI

I am trying to create a temporal heat map using this template: https://esri.github.io/esri-leaflet/examples/visualizing-time-with-feature-layer.html I would like to show the symbology based on a ...
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1answer
134 views

Workarounds for heatmap plugin in QGIS?

In QGIS 2.8, the heatmap plugin got CRS broken. I updated to 2.10, now in the plugin the dialog is broken: it does not let you choose the format. I render layers for atlases with heatmap style. But I ...
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42 views

Dynamic heat map rendering in ArcMap

I have a large point dataset that I am publishing as a service. When zoomed out I would like to show the data as a heat map, only showing the actual points when zoomed right in. I know there are a ...
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356 views

Folium heatmap not displaying

I have an output file data.json [{"5403": 2, "9734": 1, "2565": 5, "5087": 2, "9061": 1, "1761": 4, "4811": 7 "1111": 5, "3891": 3, "1962": 3}] and a shapefile converted to geojson https://www....
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1answer
56 views

Setting draw order of labels in QGIS

We're having an issue trying to display labels UNDER a heatmap-styled layer, and can't figure out why they are always defaulting to the topmost position on the map. We're using the 'heat map' style ...
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1answer
140 views

Geoserver returns null

We have a geoserver 2.7.1 running as a war on tomcat7 in a Ubuntu 14.04 box. When asking for a WMS we get a java.lang.NullPointerException, but only when the map window is above certain size and only ...
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733 views

Add a heatmap as a layer to a map based on OpenStreetMap from C# WPF Visual Studio 2013

I need to show a map with some points (with lat/lon) of a heatmap on a map based on OpenStreetMap (OSM) . I have created a heatmap as a bitmap image by GHEAT.NET control lib http://www.codeproject....
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25 views

Is there a lower bound on the std deviation for v.kernel in GRASS?

I'm using the v.kernel function in GRASS to create heat maps. I am able to generate an acceptable heat map using a std deviation of .2 and a several thousand rows and columns. After the map is ...
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80 views

QGIS crashes when trying to make heatmap

I'm a new user of QGIS. I need to make a heatmap for my thesis and I'm fairly certain I downloaded and set up the program correctly via online instructions. I imported the GDX points and used a Google ...
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1answer
235 views

leaflet - any way to add another layergroup on top of a heatmap layer?

Layering with z-index works when using layergroups - but is there any working way to have another layer with circles or other elements ontop of a layer with a heat-map? The heat-map seems to be ...
2
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2answers
150 views

Adding elevation data from contour lines to point layer using QGIS?

I want to calculate the number of vacant lots within 300m from a given building. My source file contains point layers of buildings and vacant lots. Here's a short description of my workflow. I've ...
2
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0answers
104 views

Output formats not showing in heatmap plugin (QGis 2.10.1 in ubuntu 14.04)

I just upgraded to QGIS 2.10 (using the debian repos) and the heatmap plugin doesn't show any formats in the dropdown menu. I'm able to open every raster format I have at hand and, of course, the ...
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0answers
22 views

QGIS Heatmap Plug: Filling a radius with one color

I'm using the heat map plug in and I want to fill in my circles with just one color that corresponds with a specific color along a gradient. My tinkering has not been fruitful and every tutorial I've ...
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4answers
325 views

Making heat map based on values assigned to polygon using ArcGIS Pro?

I am very new to ArcGIS Pro and I have loaded a SHP file with polygons and associated 'scores'. I would like to create a heat map based on these values e.g. a value of 1 would colour the polygon red, ...
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39 views

Problem with uMap heatmap

Does anyone know, how to get a heat map based on numerical attribute data points using uMap, not just the density of the points? Thankful for any response. Link to example map with identical cluster ...
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62 views

Proportional (graduated) symbols map using uMap

Good day. How can I make a web-map with proportional (graduated) symbols or the correct heatmap on the base of numeric data from attribute table using uMap? I have some points with data in columns "...
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1answer
62 views

Displaying heatmap with large number of dense points of interest in QGIS?

I am currently trying to make heatmaps of bird observations in an area. I have had a lot of success making the actual heatmaps for most birds, except the ones that are extremely abundant. I use the ...
4
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3answers
376 views

Heatmaps: right terms (isopleth vs choropleth, etc) and how to implement a value-based one that looks good?

NOTE: My original question was about interpolation methods, but I've found that I was actually asking the wrong question. Interpolation methods with Heatmaps and IDW are the least of my problems right ...
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3answers
154 views

What's the parameters of heatmap formula on QGIS?

I want to calculate the values by hand to know which parameters effect the result in the image, but i couldn't able to do that because i didn't understand it. I tried with 500 mt and 1000 mt radius ...