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None of the threads in stack exchange related to this error helped me to resolve this issue. Hence I am posting it. I have installed postgres 9.3 and PostGIS 2.1 Now I have done the following su postgrescreateuser -U postgres giscreatedb -U postgres -E UTF8 -O gis giscreatelang -U postgres...

I have a tittle problem with how to manage the points in a layer. from qgis.core import *def run_script(iface): layer = QgsVectorLayer(layerType.Polygon+'?'+crs.psg_4326, 'la-florida', vectorLayerType.memory)In this moment I need to get all...

I need to draw a heatmap, but only over water because I want to represent water heat level. I am using Leaflet. How can I do it? I found an only-water layer, maybe it would be usefult for developing a solution: http://openlayers.org/en/v3.2.1/examples/tile-vector.html?q=tile Edit: An option...

Authorities in Beijing have issued a first-ever “red” air pollution alert. أكثر...

How can I calibrate Sentinel-2 products, to extract the reflectance? I've downloaded few Sentinel-2 products from https://scihub.copernicus.eu/s2/#/home, and opened them with SNAP but its radiometric calibration is dedicated only to SAR products. On ENVI, the Radiometric calibration tool is...

I have school enrollment data for 10 consecutive years, and I want the school points to grow or shrink based on enrollment. I've tried this two ways, using the enrollment column and creating a new column called "marker_width." See below: etc. etc. I've fiddled with this for a long time, but...

I'm rendering some vector features on top of HDPI tiles. The tiles are crystal clear on my HDPI monitor but the vector features are blurry: Is there a way to make the vector layer "retina" as well? أكثر...

You can add, share, and manage many types of items in ArcGIS Online. While not specifically intended as a warehouse for photos and other kinds of images, you may find that storing these item types in your account is useful. This may be especially true if you want to keep all of the resources you...

Still working on cleaning this up but it runs fine. Below is the rough code for a tool that iterates through field rows and clips accordingly to that row's shape. Everything outputs nicely but there are some outputs that do not contain data. What can I add to have arcmap check for shapefiles...

1. Reporting to CEO. 2. Heading the purchase and Logistic departments of the company. 3. Managing a team including Warehouse staffs & drivers. 4. Forecasting, Procurement, Inventory Control, Logistics and Distribution. 5.Developing and implementing innovative ideas for Cost reduction and...

NASA’s IMERG team observes the deluge over the city of Chennai and the state of Tamil Nadu. أكثر...

Python script is failing. It's supposed to make a selection from a lyer based on attributes value and then select intersecting features of that selection and then make a copy of the selection as a new featureclass. I'm getting the error messages at the end but nothing in between and I can't...

I'm trying to map a CSV with over a million lat/lon points in the US with no metadata. I've never tried to map this much data and want to know what steps I should take. I know it's too much data for QGIS so I tried splitting it into split it into to 100,000 line CSVs but then got a lot of files...

I wan to use standalone geowebcache. I know how to serve cached layers but one thing really annoys me and it is the "demo" in the link e.g. http://myserver.com/geowebcache/demo/layer I would like to have the link in form without the "demo" or to be able to change it to something else...

Help! I am trying display the output of my script on an mxd once it is created. To do this, i created a function at the end of my class that handles all mapping. I have tested the code up until the mapping function and it works great. But when i try to run the script with the mapping...

MS Sql Server 2008 geometry type supports adding Z and M values to geometry objects, including linestrings. However, I cannot find any way to make use of these values, since methods such as .STIntersection() return a 2D point. My end goal is to find where a given point intersects with a...

Michele GeoMattix shows you how to perform a hotspot analysis in ArcGIS using tornado data. أكثر...

I would like to modify the current bar chart widget in the ArcGIS operation Dashboard system with the help of ArcGIS API for JavaScript. In the figure you will see that I have 2 displays: One is current and another one is modified. Whatever is in red, that I would like to add into the Modified...

J'ai un shpafiles des provinces d'un pays d'Afrique avec la population dans chaque province. J'ai 3 TIFF (raster), * un des terres agricoles, * un sur le bâti * et le dernier sur les autres (forêt, lake, champs etc...). En sachant la population de chaque province, j'ai envie de... أكثر...

By Marcia Anderson Adult brown marmorated stink bug Photo: Steven Valley, Oregon Department of Agriculture, Bugwood.org As cooler weather approaches, pests try to find their way into warmer habitats, like schools, homes and barns. Stink bugs, including the brown marmorated stink bug...