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| Subject: | Re[2]: GISList: GPS and powerline question |
| Date: |
02/14/2003 01:24:43 AM |
| From: |
Vladimir |
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How do you do, Hrishikesh.
You wrote the February 14 2003, 8:37:29:
H> Dear friends,
H> I need a suggestion for converting shapefiles into image format (GIF or
H> Jpeg).I am using Erdas for it. I am converting shapefiles into img
H> format (continous image) and convert it into thematic image for giving
H> meaningful color to the classes. Like this I am making images for
H> different themes with different colors. Then I am mosaicking them to
H> create a single image layer with different themes.
H> Now the file size is very big so I want to save it as Jpeg.
H> But I am not able to save the thematic layer in Jpeg direcltly. When I
H> save the img layer as tiff and want to open in adobe-photoshop or
H> paintshop then I get an error message "bit depth could not be read"
H> I think that first I need to convert the thematic layer into continous
H> layer and then only I will get the bit depth.
H> Can you suggest me that how to convert the thematic layer into continous
H> in Erdas.
H> Is there any other method to convert the shapefile directly into Jpeg
H> while maintaining the pixel resolution. I am trying to convert the map
H> of entire USA. Can I do it in single stage or I need to do it part by
H> part.
H> The other method is that open the different layers of shapefile in Erdas
H> viewer and give color. Then save the view as tif which is a continous
H> layer and this can be converted into jpeg. But the problem I am facing
H> is that the Pixel resolution is loosing.
H> Please suggest me a better way of making jpeg file from shape files or
H> coverages.
H> Reagrds,
H> Hrishikesh Prasad
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Try to export shp file in format eps (post script) with necessary you
resolution, then his(its) possible open in vector editor CorelDraw
(Adobe Illustrator) and save (export) in raster format (tiff, jpeg
etc).
--
Ñ óâàæåíèåì,
Vladimir mailto:geolog@digsys.ru
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