/[thuban]/branches/WIP-pyshapelib-bramz/Thuban/UI/baserenderer.py
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revision 2551 by jonathan, Thu Jan 27 14:19:41 2005 UTC revision 2552 by jonathan, Fri Jan 28 15:54:00 2005 UTC
# Line 484  class BaseRenderer: Line 484  class BaseRenderer:
484          height = int(min(height, round(fmax[1] - fmin[1] + 1)))          height = int(min(height, round(fmax[1] - fmin[1] + 1)))
485    
486          try:          try:
487                options = 0
488                if layer.UseMask(): options = options | 1
489    
490              project_params = (layer.GetImageFilename(), in_proj, out_proj,              project_params = (layer.GetImageFilename(), in_proj, out_proj,
491                                (xmin, ymin, xmax, ymax), "", (width, height),                                (xmin, ymin, xmax, ymax), "", (width, height),
492                                layer.UseMask())                                options)
493    
494              data = (width, height, apply(ProjectRasterFile, project_params))              data = (width, height, apply(ProjectRasterFile, project_params))
495    
496          except (IOError, AttributeError, ValueError):          except (MemoryError, IOError, AttributeError, ValueError):
497              # Why does this catch AttributeError and ValueError?              # Why does this catch AttributeError and ValueError?
498              # FIXME: The exception should be communicated to the user              # FIXME: The exception should be communicated to the user
499              # better.              # better.
# Line 507  class BaseRenderer: Line 510  class BaseRenderer:
510              (width, height, (image_data, mask_data))              (width, height, (image_data, mask_data))
511                    
512          holding the image width, height, image data, and mask data.          holding the image width, height, image data, and mask data.
513          mask_data may be None if a mask should not be used. Both kinds          mask_data may be None if a mask should not be used. If
514            format is 'RAW' the data will be RGB values and the mask
515            will be in XMB format. Otherwise, both kinds
516          of data are assumed to be in the format specified in format.          of data are assumed to be in the format specified in format.
517    
518          The format parameter is a string with the name of the format.          The format parameter is a string with the name of the format.
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