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The troughs and ridges of atmospheric waves created a distinctive pattern in the clouds. أكثر...

I was successful in adding multiple fields using arcpy as follows: div_fields = ("divpa_whea" , "divpa_maiz", "divpa_barl", "divpa_sorg", "divpa_sorg", "divpa_grou","divaa_whea", "divaa_maiz", "divaa_barl", "divaa_sorg", "divaa_sorg", "divaa_grou")for i in div_fields...

I'm trying to populate a field using a function. When I run this in Pyscripter, it works fine: d = {}# Function #def find_dups(val): d[val] = d.setdefault(val, -1) + 1 return d[val]#expression = "find_dups(!LINK_ID!)"arcpy.CalculateField_management(streets, "dups", expression...

I am trying to add (ie "Author", "LastUpdated") to feature classes within a gdb and then populate each of those fields. I have been able to get my code to run properly for the numerical field but I cannot get it to run for the text field. fcList = arcpy.ListFeatureClasses() fieldName1 =...

What am I doing wrong in this field calculator logic? Pre-logic def re_score(elev_t,f2, contour): f2=contour if elev_t.endswith('.5'): f2 = "Midi" return f2Expression for field "Contourtyp" re_score(!Elev_t!,f2,!Contourtyp!)I just want to rename the contour type where the contours are at...

Central Asia’s snowy Himalaya range rises above a dry plateau to the north and a vegetated plain to the south. أكثر...

Bush fires have damaged power lines, burned 133,000 hectares, and destroyed two homes. أكثر...

I have a dataset in Cartodb with the following columns: Name,Count,Lat,Long When I upload the dataset, Cartodb automatically update the column Geometry with the Lat and Long. The Lat and Long in my datasets are the centre of countries. So, I have only once combination of Lat and Long per...

I'm trying to select points from a vector point layer (quite big ~2 million points), that are within a coastline polygon for the gulf of california. The area is in the south with quite a complex coastline. I'm trying to remove the points that are over water into a new dataset. Using the...

I could use some tutorials on remote sensing, but some books provided they are free, would be useful. To be specific, tutorials on ERDAS Imagine, ENVI and other remote sensing software, general tutorials, for beginners but for intermediate and advanced levels as well. أكثر...

xyHt features distinguished scientists in the fields of hydrography, marine surveying, and oceanography: Dr. Dawn Wright and Captain and Rafael Ponce. أكثر...

GIS Day was held at City Hall in Peterborough, Ontario. أكثر...

I'm new to GIS and I'm a bit lost. As the title says I'm trying to project a shapefile from WGS_1984_UTM_Zone_32N to GCS_WGS_1984. I'm using the project tool but I always get an error and the projection never happens. I don't understand what I'm doing wrong. Anyone help would be much...

By Janet McCabe Today, we are proposing a notice that supplements the Mercury and Air Toxics Standards (MATS). Specifically, we are proposing to find that including a consideration of cost does not change the agency’s determination that it is appropriate to regulate air toxics, including...

By Kacey Fitzpatrick Want to impress those long distance relatives you see only once a year? Keep up with the latest in EPA science by reading Research Recap! Here’s what we’re highlighting this week. Small Business Innovation Research EPA’s Small Business Innovation Research (SBIR) is...

This was asked a few years ago, maybe the answer has changed. What is the best way to map floodplains using GIS software? Has anyone seen a tutorial somewhere (MondeGeospatial, ESRI Training, Disocver Spatial, etc.) that gives a good primer on the process? cheers أكثر...

* Here in Denver we have a great meetup called GeoSpatial Amateurs that devoted (and aspiring) users and contributors of open source spatial tools frequently attend. For those that*aren’t familiar with the group don’t be fooled by the name. *The use of “Amateurs” was strategic to scare away...

We are happy to announce winners of our GIS Day Contest! Out of 54 contest applications from more than 20 countries all around the world, we have chosen to award 3 best project ideas. Additional 3 project ideas will be awarded with GIS Cloud licenses through our partners Spatial Vision...

I'm using the popular JTS Vividsolutions API for Java. I'm struggling to find if I can perform calculation of the First (direct) geodetic problem with the API.Is there a way to calculate this with this API? It seems that simple one method not exist, but maybe using some combinations of existing...

We have developed an Android App that connects to a Federated ArcGIS Server services using a Web Map., the app does a lot of things, besides charging the web map, and it works on an environment development environment where the web adaptors (of ArcGIS Server and Portal) are directly accesible...