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I have this query that is trying to update my geom column that's built off of lat and lng coordinates UPDATE main_table SET geom = ST_SetSRID(ST_MakePoint(lng, lat) ,4326);However it returns that function st_makepoint(text, text) does not exist and gives me a hint to add explicit type casts, so...

This is my first stab at python/arcpy and need some help! I have numerous point shapefiles that I am trying to apply a specific symbology to and create jpeg files of the same map for each symbolized shapefile. I am trying to make the filenames and the input and output paths dynamic based on my...

Petrified wood found only in a specific area of Utah...it's called -yellow cat Petrified Wood Specimen (petrified Conifer wood slab) Arizona petrified wood ... Zimbabwe أكثر...

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I've build the following heatmap using QGis 2.8.2's Raster->Interpolation feature. It looks almost the way I want: The background layer is Google Maps tiles by using the OpenLayers plugin. However, as you may see, the outer edges abruptly end, since it's basically a rectangle. I would to...

Is there a way to make clearer legends in qgis? At the very least indicating the range of values and whether the color includes the upper/lower limit of the range.if I make a discrete color ramp for my map, I would like to label the colors: 0(0,0.5](0.5,1]I tried making these types of labels...

Remote aerial inspection with FAE Drones- power lines أكثر...

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, but it seems to be for the internal use of a single agency, where I'm looking for public...

Title sums up the question. Situation: I'm doing a research project for university. The aim of project is to develop an app that can create/edit shapefiles and visual representation of vector layers and to export them to some of most common geoportals(f.ex. GeoServer). I dealed with .shp, so...

I have two shapefiles and i'm trying to do simple spatial analysis. When I want to know which polygon belongs to other polygon in other shapefile I always use select by location and in Spatial selection method i choose contain the source layer feature. Now i have these two shapefiles in...

bonjour je suis entrain de creer un dessins representant un ecusson, aussi je dois ecrire un texte compose de 2 mots, l'un sur la partie haute du cercle representant l'ecusson, et l'autre mot sur la partie inferieure, or celui du haut se trouve bien sous le cercle et a l'endroit mais le 2e...

مـيثاق إعداد التراب الوطنـي: قراءة في السياق والمضامين بقلم: حسن سعد تقديــم عرف المجال المغربي تحولات ونموا متسارعين نتيجة عوامل متعددة وأسباب متنوعة يمكن إجمالها في عوامل طبيعية مثل الجفاف الذي يتمثل مظهريا في ركود المناطق القروية وبالتالي هجرة ساكنتها إلى المدن، وطبيعة النظام السياسي...

I'm new to QGIS and am trying to create vector contours from this IDW raster but the results look like a vector with a point for every pixel in the raster. I followed Ujaval Gandhi's "Interpolating Point Data" tutorial step by step but am not getting the same results for step 18...

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Is there a way to integrate my own custom tools into the Processing toolbox in QGIS? I believe I have found where to strategically hack the stock processing scripts to ensure it picks up my custom provider (python/plugins/processing/core/Processing.py) but I can't figure out if there's a less...

Is there a dataset for the spatial extents of historic levels of the Great Lakes since the Last Glacial Maximum? More specifically, we are looking for the maximum level of the Great Lakes after 5,000 years before present. I'm collaborating on some research on distribution of an aquatic species...

I am planing to use interpolation method using spatial analyst tool and I found several methods like spline NN and kriging. I know I can do interpolation using geostatistical analyst but some interpolation methods do not available in geostatistical analyst like spline and NN, although the errors...

We have an excellent job opening in Dubai location. Please find details below- Position 1 - Specialist Urologist & Andrologist. Position 2- Specialist Plastic Surgeon. Position 3 - Specialist Hair Transplant Surgeon. Medical License - DHA or Eligibility for DHA i.e.POst MD/MS 3yrs experince...

I'm working with maritime sensors that give information of moving objects it detects, in azimuth, range and elevation, and we convert it to x,y coordinates for our application to be able to process it. We found out that most naval systems consider the earth's center as the point of reference...

I have a point layer with several fields (pollutants values). I've created a point layer for the atlas composition (a mean coordinate point layer, 5 points, 1 for each areas). I've used a graduated style for each pollutant (say 5 styles) and I want to create a print layout for each pollutant...