Hello: I have an image (TIFF) that created by taking a screenshot of a map. I have georeferenced this image in ILWIS and now want to digitize areas of this map. I can digitize using the segment operation using one of my GeoTIFF's, but for this TIFF that I created it doesn't seem to work. I have created a domain (Group type) for this and have followed all the... more »
I have a BLM land ownership shapefile and when I add it as a layer, ArcGIS Explorer covers the whole map in a single color instead of the proper colors that show each section and its ownership status. What am I doing wrong? Thanks
I am using ArcGIS Explorer for some hybrid image/topo maps for hunting big game. What I would like to do is to be able to create my own layers by simply drawing lines or "shading" an area. What tool/tools do I need to get to be able to do this? Thanks
I'm trying to create a map of our County with municipal boundaries superimposed, and several hundred points plotted. I'm using several open-source and/or free GISs, gvSIG, QGIS, and MapWindow GIS. I get identically wrong results in all three. The projection for the map layers for county and municipal boundaries... more »
been trying to solve this problem for a few hours in our office, the preset function of the scroll wheel in ArcMap is to scroll up/down. However when we install ArcMap on this new work station today, the scroll wheel becomes zoom in/out. Does anyone have any idea on how to change it back to "normal"?... more »
For those who urgently need background imagery about the quake epicenter region, here we uploaded a processed true-color scene for free distribution - [link] Source: Landsat ETM+ imagery from USGS GloVIS Scene date: 2002-07-10 Brief description: Clouds hanging over mountain peaks instead of... more »
Hello: I have been trying for some time to mask out the land area around one lake in a Landsat image of a bunch of lakes. I want to know how I can just isolate the lake and make the land disappear and not be included in the analysis. If anyone can help me I would really appreciate it. I have only... more »
From darkening africa, I use an expensive, slow inet connection. By doing some thing like the following, I need to by-pass google-earth's [or similar] redundant interface:- to eg. use google-search to find out about "satelite images" & "direct access", you don't need to wade through pages of google's 'in your... more »
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